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Developed By: Aumpika Viun (Ice)
Contact: [email protected]
W-RNO AnalysisMate Ver1.0
0. UTRAN Network Architecture and Protocols
1.1 UMTS Network Architecture
1.2 UTRAN Protocols
1. RRC,RB and UE Measurement Procedures
1.1 Mapping of UE state to 3GPP Specifications
1.2 RRC Tasks and Functions
1.3 RRC Modes and State Transitions including GSM Tool Version
1.3 RRC Mode Description Ver1.0
1.4 RRC Connection Mobility Management and RRC Modes
1.5 RRC Procedures
1.6 RB Procedures
1.7 UE Measurement Procedures
2. Paging Messages
2.1 Paging Message Type 1
2.2 Paging Message Type 2 Tool Version
3. System Information Block (SIB)
4. Location Update Procedure & L3-messages
5. Call Procedure & L3-messages
5.1 AMR Voice (MOC)
5.1 AMR Voice (MTC)
5.2 CS64/ Video Call
5.3 PS-R99
5.4 PS-HSDPA
5.5 PS-HSUPA
6. HO Procedure & L3-messages (Intra-Freq HO)
MML C
Conv
Underl
Click to retur
Val
Com
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6.1 Intra-Frequency Soft Handover within a NodeB(Softer-HO)
6.2 Intra-Frequency Soft Handover between NodeBs in an RNC
6.3 Intra-Frequency Soft Handover between RNCs
6.4 Intra-Frequency Hard Handover Between NodeBs in an RNC
6.5 Intra-Frequency Hard Handover Between RNCs
7.HO Procedure & L3-messages (Inter-Freq HO)
7.1 Inter-Frequency Hard Handover Between NodeBs in an RNC
7.2 Inter-Frequency Hard Handover Between RNCs
8. HO Procedure & L3-messages (Inter-RAT HO)
8.1 Inter-RAT C S Handover from WCDMA to GSM (Coveraged Based)
8.2 Inter-RAT CS Handover from GSM to WCDMA(Coveraged Based)
8.3 Inter-RAT PS Handover from WCDMA to GSM(Coveraged Based)
8.4 Inter-RAT PS Handover from GSM to WCDMA(Coveraged Based)
8.5 Inter-RAT CS&PS Handover from WCDMA to GSM (Intra-SGSN)
8.6 Inter-RAT CS&PS Handover from WCDMA to GSM (Inter-SGSN)
9.SRNS Relocation Procedure & L3-messages
9.1 Static Relocation(UE not-involved relocation)
9.2 Relocation with Cell/URA Update (UE not-involved relocation)
9.3 Relocation with Hard Handover (UE involved relocation)
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Release Date Genex Probe Version Genex AssistantVersion
RAN Version
25-Jun-09V100R005C01B040
(V1.51 20090210 )
V100R005C01B040
(V1.52 20090210 )10.0
Change Type Change Date
mmand All bold texts with highlighted in "Orange" are MML command
ntion Description
ine TextAll texts with an Underline has a hyperlink function which link to other r
signalling procedure, signalling measages,parameter description, feature
Change History
to main page Click here to return to root topic
ue= Give an acutal value includes the conversion schemes
ents Extra comments for some topics
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;
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RNC Version
V200R010C01B061
Remark
elated information e.g.
algorithm etc.
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Change Type
Correction
Addition
Remove
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The UMTS PLMN is logically divided into a Core Netwo rk (CN), a Radio Access Network (RAN) and the Us
The Core Network(CN) consists of an enhanced GSM Phase2+ with a Circuit Switched CS and Packet S
The most important network elements of these GSM Phase 2+ CN are:
- Mobile Service Switching Center(MSC)
- Gateway Mobile Service Switching Center (GMSC)
- Visitor Location Register (VLR)
- Home Location Register (HLR)
- Authentication Center (AuC)
- Equipment Identity Register (EIR)
- Serving GPRS Support Node (SGSN)
- Gateway GPRS Support Node (GGSN)
The RAN of UMTS is the UMTS Terrestrial Radio Access Network (UTRAN) consists of,
- Radio Network Controller (RNC), which is controlling a Radio Network Subsystem (RNS)- Node B, which is the physical entity to serve on or several cells
The User Equipment(UE) consists of,
- Mobile Equipment (ME), The Mobile Equipment represents the partner of the NodeB and of the RNC. It is re
encoding,Modulation and demodulation on the carrier,Power control,Quality and field strenght measurements,
- UMTS Subscriber Identity Module (USIM), The USIM functions to save data and procedures in ther termina
entries, etc. The installed USIM is made available to the customer by the network operator and can be update
Examples of USIM data and procedures,
1.Data: International Mobile Subscriber Identity,Packet Switched Location Information,Security Information for
period,Call meters,Display Languages,Telephone directory,Forbidden PLMNs,Emergency Call Codes etc.
2.Procedures: Application related procedures,Security related procedures,Subscription related procedures etc
With UTRAN, four new interfaces were specified:
- Iu, Iu connects UTRAN with the CN. A distinguishing is drawn between the Iu connection to the ps domain, w
network solution. Please note, that there are differences in the protocol stacks on the Iu-CS and Iu-PS interfa
- Iub, this interface is used between the Node B and its controlling RNC.
- Iur, this is an inter-RNS interface, connecting two neighbouring RNC. It is used among others in soft handove
the UE; it is called S-RNC. The remaining RNCs are called D-RNC.
- Uu, Uu is the acronym for the WCDMA radio interface.
On the inter faces Iu, Iur , and Iub, ATM is used for the transport o f user data and h igher layer signal l ing
Click to return to main page
UMTS Network Architecture (Rel'99)
Radio Network Controller(RNC) Functionality
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The RNC has many different tasks in the UTRAN. It is responsible for e.g. Radio Resource Management (RR
and to the PS domain via Iu(PS) interface. Signalling and data transfer to other RNCs are possible via Iur inter
The following are examples of RNC functions:- Power Control
- Handover
- Ciphering/Deciphering
- Protocol conversion
- Admission Control/Load Control
- Macro Diversity
- Geographical Coordinates
Logically,the RNC can be divided into different types, according to its current functionality as follows,
1. Controlling RNC (C-RNC) : Every cell has only one C-RNC. The C-RNC of a cell is exactly the RNC that is
- Admission Control based on UL interference and DL transmission power level
- System Information Broadcasting
- allocation/de-allocation of radio bearers
- data transmission and reception
- Congestion control in its own cell
- Power control
- Resource allocation and admission control for new radio links to be established in those cells
Summary: The C-RNC is the RNC controlling a Node B ( i.e. terminating the Iub interface towards the N
2. Serving RNC (S-RNC) :
An UE that is attached to an UTRAN is served by only one RNC. This RNC is called the serving RNC (S-RNC).
higher layer functions related to radio access and information transport through UTRAN. The S-RNC performs
- the S-RNC handles the Iu interface towards the CN for this UE
- the S-RNC handles the completed Radio Resoruce Control (RRC) for this UE
- Location/Mobility handling
- Ciphering
- Backward Error Correction (BEC, layer 2 functionality)
- Radio bearer control
- Handover decision
- Power Control
The S-RNC is responsible for the handling of all decisions for the connection with the UE e.g. for the allocation
In the case of Soft Handover,S-RNC performs data splitting toward the different NodeBs and combining toward
the C-RNC of some NodeBs used for the connection toward an UE. The S-RNC is no anchor functionality. It ca
Summary: The S-RNC for one UE is the RNC that terminates both Iu link for transport of user data and
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Node B Functionality
A nodeB is a physical unit for i
serviced by a Node B. Generall
A Node B can be used for Freq
in different timeslots) or dual mthe opposite direction. Node Bs
predefined one and instructs th
Error Rate (FER). The followin
- Radio Channel functions: Tr
- Air Interface management.
Intra NodeB SofterHO,Power C
- O&M Processing,Interfacing
- Cellular Transmission mana
of the physical transmission int
1.International UMTS/GSM Service Area
Geographical and UTRAN Entity Identifiers
(signalling protocol between UE and UTRAN)
3. Drift RNC (D-RNC): In UMTS it is possible that one UE is connected to more than one cell, or connected to
to the S-RNC.This foreign RNC is called drift RNC ,D-RNC. In principle the D-RNC is the C-RNC of a cell the
controlled by S-RNC.
When a D-RNC is involved for a UE, then the data streams between UE-UTRAN and UE-CN always pass the
The UE receives all the data streams from the cells,it is connected to and adds them together (RAKE Receiver
the S-RNC takes only the data frame with the smallest bit error rate, all other data frames will be discarded (SeBecause the implementation of Iur interface is optional,i's matter of network planning, whether the usage of D-
Summary: D-RNC is any RNC, other than SRNC that controls cells used by the UE. The D-RNC performs
,but routes the data transparently between the Iub and Iur interfaces.The UE can be connected to 0 ,on
more UTRAN access points.
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, . . -
2.National Service Area
National Service Area is the area of on country or region. It is identified by the Mobile Country Code (MCC) an
3. PLMN Service Area
PLMN Service Area is the service area of a single PLMN. It identified by the Mobile Country Code(MCC) and C
4. MSC/SGSN Service Area
An MSC or SGSN Service Area is the area, which is served by a single MSC (CS-domain) or by a single SGS
SGSNs have their own identifiers/addresses for singalling and user data transfer.
5. Location Area (LA)
A Location Area (LA) is the most precise UE location information,which is stored in the CS-domain (in the VLR
6. Routing Area (RA)
The SGSN Service Area is sub-divided into one or more Routing Areas. A Routing Area (RA) is a subset of a L
stored in the PS-domain (in the SGSN) of UMTS. It is world-wide uniquely identified by the Routing Area Identit
7. Cell Area
The Cell is the area, where the UE is located. It is the most precise information which might be stored in the P
It is also essential to address different physical,geographical or logical entities within UMTS. The geog
1. PLMN Id = MCC +MNC
The PLMN-ID is used to address a PLMN in a world-wide unique manner. As in GSM the PLMN-ID consist of a
E212.
2. CN-Domain Id:
CS- and PS core network introduce their own regional area concept. This is the concept of Location Area for CLAI= PLMN-ID + LAC (Location Area Identity Code)
RAI= PLMN-ID + LAC +RAC ( Rotuing Area Identity Code)
3. Cell Global Identity (CGI)
The Cell Global Identity (CGI) is composed by the CGI=LAI+CellID.
4. RNC Id:
Every RNC node has to be uniquely identified within UTRAN. Therefore every RNC gets a RNC-ID. Together
interface. The RNC identifier is allocated by O&M.
Global RNC-ID= PLMN-ID + RNC-ID
5. Cell Id and UTRAN Cell Id:
The cell-ID is used to address a cell within a RNS. The cell-ID is set by O&M in the C-RNC. Together with the
UTRAN Cell-ID= RNC-ID + Cell-ID
6. Local Cell Identifier
The local cell identifier is used in the Node B to identify resources. There is a unique relation UTRAN Cell-ID t
7. Service Area Id:
Serveral cells of one location area can be defined to form a service area. Such a service area is identified with
SAI= PLMN-ID+LAC+SAC
8. URA ID:
The UTRAN introduces its own area concept next to LA and RA. This is the UTRAN Registration Area (URA)
UTRAN Identifiers for UE
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UTRAN Protocols
The UE and the Subscriber can have several identifiers for the PLMN. Typically we can distinguish two
1. Core Network Identities or NAS (Non Access Stratum) Identifiers: These identifiers are allocated by the
2. UTRAN identifiers : UTRAN identifiers are always temporary (Radio Network Temporary Identifiers ,RNTIs)
- International Mobile Subscriber Identity (IMSI)
The IMSI is the quasi-permanent subscriber identity in GSM/UMTS. The IMSI is composed by the Mobile Coun
the IMSI is less than 15 digits
- Temporary Mobile Subscriber Identity (TMSI)
The TMSI is used as temporary user identity instead of the IMSI to support subscriber identity confidentiality. T
The TMSI consists of 4 bytes, which are operator-dependent.
- Packet Temporary Mobile Subscriber Identity (P-TMSI)
The P-TMSI is used as temporary packet user identity. It is allocated to an UE b y an SGSN and stored in the
- International Mobile Equipment Identity (IMEI)The IMEI is used as Mobile Equipment Identity. The IMEI can be checked at the start of a connection by the EI
identifiers the place of manufacture or final assemblym,the Serial Number (6 digits) and a Spare digit.
- Radio Network Temporary Identifiers (RNTI)
The RNTIs are temporary UE identifier within UTRAN and between UE and UTRAN. They are generated by th
1. Serving RNC RNTI (S-RNTI) : The S-RNTI is allocated by the S-RNC,after every S-RNC Reallocation it has
S-RNC and by the UE to identify itself ot the S-RNC
2. UTRAN RNTI (U-RNTI): The U-RNTI is composed by the S-RNTI and the S-RNC-id. It is used as UE Id for t
associated response messages.
3. Cell RNTI (C-RNTI): The C-RNTI is allocated by the C-RNC,when the UE accesses a new cell. It is used as
(see U-RNTI)
4. Drift RNC RNTI (D-RNTI): The D-RNTI is allocated by the D-RNC. It is used by the S-RNC to identify the U
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The communic
between UE an
signalling betw
1. Access Stra
messages occu
UTRAN and UT
enables the CN
2. Transport S
and user data.
messages betw
3. Non-Access
access or trans
,handling of sub
UTRAN Protocol Architecture
The UMTS network is split into
(radio access bearer services)
between the CN and the UEs u
The higher layer protocols of th
Session Manangement (SM) ta
procedures. The radio and Iu pr
used in the Iu and radio protoco
UTRAN Interface Protocol Structure
The protocol structures of the U
planes as logically independent
parts remain intact.
The transport system used with
different types of bearer service
type2 can be set up with explici
switches. This behavior results
Horizontal Layer:The general protocol model con
are visible in the Radio Network
specific requirements.
- Transport Network Layer : T
layer and its transport frame lay
- Radio Network Layer : The R
streams, to be transported thro
Vertical Plane:
There is also a vertical structur
next to eachother. The general
Horizontal Layer
Vertical Layer
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UMTS Protocol Stacks -> UE-UTRAN-CN for CS domain
UTRAN Interface Protocol Overview
The protocols can be divided into the following part according to the functions:
1. User Plane : User Plane protocol stacks for transport of the user information on the different interfaces.
- Iu Interface : IuCS for Voice and Data and IuPS for Data
- Iub Interface: Frame Protocols (DCH and CCH)
- Radio Interface Uu: User Data Streams and Application
2. Control Plane : Control can be subdivided into:
-Control Plane for interface signaling (used for NE configuration)
-Control Plane for radio signaling
3. Transport Plane : Between user plance and control plane exist the transport plane. The task of transport pl
Plane.
-User Plane: The user plane su
protocols will be transmitted via
explicit signalling.
-Control Plane: The control pla
application protocol,one or sev
signaling,which is UMTS-specifi
Application Protocol messages.
-Transport Network Control Pprotocols are used to set up an
not necessary to use the ALCA
are used. The Transport Netwo
information.
The Transport Network Control
to be total independent of the te
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UMTS transports the control signaling and the user data over the same transport network. So,there are some p
protocols involved into the user data transport,
-PHY,MAC,RLC : The air interface transport system is built out of PHY,MAC and RLC as for the control plane.
-User data stream : The user data streams are generated by the applications using the CS core network servi
-
The CS control plane is used for the exchange of control information which are related to CS services. In add
contains of following important protocol layer as follows;-Physical Layer (PHY) : The physical layer (Layer1) on the air interface provides access to the WCDMA radio
-Medium Access Control (MAC) : The MAC protocol belongs to Layer 2. The tasks of MAC are the control of
-Radio Link Control (RLC) : As MAC also the RLC protocol is a Layer 2 protocol. RLC provides three reliabilt
-Radio Resource Control (RRC) : The RRC protocol is the first protocol of Layer 3. The RRC protocol perfor
-NAS Protocols : On top of RRC there are the control protocols for the non-access stratum (NAS). For the CS
Message Service), if it is not provided by the Packet Switched Protocol Stack.
-Radio Access Network Application Part (RANAP) : RANAP is between UTRAN and CN. It performs all task
counterpart to RRC
-Signaling Connection Control Part (SCCP): The SCCP has mainlu transport tasks. It is used to establish a
identifier.
-MTP 3B,SAAL,AAL5, ATM : These protocols belong to transport network (ATM). They provide a signaling be
User Plane- CS
Control Plane - CS
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UMTS Protocol Stacks -> UE-UTRAN-CN for PS domain
UTRAN Interface Protocol -Uu (UE-UTRAN)
For Packet Switched (PS) service,there are different procedures. So there is a need for special proctocols for
services.
The Packet Switched control plane consists of:
- PHY,MAC,RLC,RRC : The transport and access stratum protocols on the air interface are the same for PS a
- ATM,AAL 5, SAAL,MTP 3B : Also the transport and access stratum on the Iu-PS interface is similar to the Iu
- SCCP,RANAP : SCCP and RANAP are the same as for CS. The SCCP is mainlu used to setup a signaling c
- NAS protocols : The only special protocols for the packet switched service are the non-access stratum proto
network has its own mobility managment GMM ( GPRS Mobility Management). To set up a data session the S
In contrast to the control planes, that look very similar for PS and CS, the user plane has important diff
The Packet Switched User Plane consists of:
- User data : The user data for PS services is usually dedicated to external packet data networks (e.g. internet
network have their own special network protocols (e.g .TCP/IP). When a UMTS user wants want to be connect
network this only data. But because of its special role, the network protocol of the external network is called Pa
transport of the PDP packets.
-Packet Data Convergence Protocol (PDCP) : This protocol performs header compression of the PDP packe
-RLC,MAC,PHY : The transport layers are the same as for control plane
-GPRS Tunneling Protocol User Plane (GTP-U): The PDP packets are transported in a GTP-U frame on Iu.
-UDP/IP : To route from RNC to SGSN the standard UDP/IP protocol stack is used. This is a connection less u
-AAL5 /ATM : The UDP/IP datagrams (packets) are transmitted on ATM using the adaptaiton layer 5.
-AAL 2 : To provide a circuit switched like transport bearer on Iu, The AAL 2 protocol is used. This adaptation l
includes time stamps in the transport frames. This allows synchronization and timing control between sender a
-Iu User Plane protocol (Iu UP) : The Iu user Plane protocl is on top of AAL2. This protocal can provide differ
Please note that AAL 5 is used for all control functions on the Iu-CS interface ( <> RANAP) and the Iub i
messages (<> Iub-FP) between NodeB and RNC and for user data on Iu-CS interface between RNC and
Control Plane - PS
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Physical Layer (L1) Functions
Uu interface is
important inte
The radio inter
-the physical la
-the data link la
-the network la
The layer 1 suconsisting in in
… It is basically
“physical chann
The layer 2 pr
sublayers: MAC
Control).
The layer 3 is
Resource Contr
L3 are implem
The protocol l
L1 Functions
The functions of L1 (physical layer) mainly includes:
A) Transport Channel Processing: The processing of the transport channels that come from the MAC layer h1. CRC attachement (error detection) : Every transport block of a transport block set get its own CRC,used f
2. Transport Block concatenation & code block segmentation : The transport blocks are concatenated afte
afterwards
3. Channel Coding : Channel coding can enhance symbol correlation to recover signals in the case of interfer
are : no coding,Convolutional coder 1:2,Convolutionalcoder 1:3,Turbo coder 1:3.
4. Rate matching (pucturing) : The physical layer can perform a puncturing of bits to reduce the data rate. th
5. Radio Frame Equalization : If the data block after rate matching is too short for one radio frame,some pad
6. Interleaving : Interleaving is used to damage symbol correlation and reduce the impact caused by fast fadin
7. TrCH Multiplexing : This function multiplexes several transport channels to one CCTrCH (Code Composite
8. Ph sical Channel Se mentation : The CCTrCH are s lit to several h sical channels,it there are an
Transport Channel Processing for FDD Uplink Transport For
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L2 Functions
L2 includes four sublayers, Medium Access Control (MAC), Radio Link Control (RLC), Broadcast/Multic
(BMC) and Packet Data Convergence Protocol (PDCP).
I. MAC, The funct ions of MAC include:
1.Mapping between logical channels and transport channels
2.Selection of appropriate transport format for each transport channel
3.Priority handling between data flows of one UE
4.Priority handling between UEs by means of dynamic scheduling
5.Priority handling between data flows of several UEs on FACH
6.Identification of UEs on common transport channels7.Multiplexing/demultiplexing of upper layer PDUs into/from transport blocks delivered to/from the physical laye
transport channels
8. Switching of the transport channel type for a radio berarer(controlled by RRC),means several transport chan
be assigned to one radio bearer
9.Traffic volume measurement
10.Ciphering/de-chipering for transparent mode RLC
11. Control of random access and CPCH access (e.g. priority classes)
9. DTX bit insertion : If no information is to be transmitted by the network, so called DTX (Discontinuous trans
10. Radio Frame segmentation : When a data block is too long for one radio frame(10ms), it is segmented to
11. Physial Channel Mapping : The data has to be mapped to the slot format of a physical channel or to seve
Transport Format Combinations
When multiple transport channels are multiplexed to CCTrCH (Coded Composite Transport Channel) and tr
channel. Therefore the so called "Transport Format Combination Identifier (TFCI)" is used. In UE and Nod
- the number of transport channels
- the transport format for every transport block of every transport channel in the combination
This allows the de-multiplexing of CCTrCHs. the TFCI values and the assignment of transport format combinati
The definition of TFCIs runs in the following way.
1. During radio bearer setup or reconfiguration the transport channels to be multiplexed are defined
2. Now each transport channel has its transport format set. One transport format from each transport channel's
care,taking UE radio capabilities into account.
3. Several transport format combinations from a so called "transport format combination set" .Every transp
combination identifier TFCI.
B) Radio Tasks:
1. Provision for higher layers with measurements and indications (such as FER, SIR, interference power, and t
2. Macro-diversity distribution/combination and soft handover execution
3. Frequency and time (chip, bit, slot, frame) synchronization
4. Closed-loop power control
5. Power weighting and multiplexing of physical channels
6. Modulation,spreading,scrambling
7. Scrambling and modualtion
Physical Layer Procedures
The physical layer defines several procedures to control the radio interface on the lowest level. Most of these p
the following categories:
1. Synchonization procedures : These types of procedures are used for cell search,radio frame/slot and chip
the UE to the cell timing.
2. Power Control Procedures : One of the most critical issues for CDMA systems is the near-far problem. Th
3. Random Access Procedures : Like all known mobile radio access technologies also WCDMA has to use r
shared resources between several UEs an access mechanism with collision risk is used.
4. Radio Measurment : For the mobility handling within the radio network the UE and the Node B have to perfratio,interference power,signal power). These measurment are used as criteria for the cell reselection or hando
frames. In such radio frames some slots are not used for transmission/reception,rather the measuement are t
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L3 Functions
The RRC performs the functions listed below:
1.Broadcast of information related to the non-access stratum (NAS:Core Network)
2.Broadcast of information related to the access stratum (AS)
3.Establishment, maintenance and release of an RRC connection between the UE and UTRAN4.Establishment, reconfiguration and release of Radio Bearers
5.Assignment, reconfiguration and release of radio resources for the RRC connection
6.RRC connection mobility functions
7.Route selection for the Protocol Data Unit (PDU) of upper layers
6.Control of requested QoS
7.UE measurement reporting and control of the reporting
8.Outer loop power control
9. Security Control
10. Paging
11. Initial cell selection and cell re-selection
12. Arbitration of radio resources on uplink DCH
13. RRC message integrity protection
14. CBS control
UTRAN Interface Protocol - Iur ( RNC-RNC)
UTRAN Interface Protocol - Iub ( RNC-NodeB)The control plane of the Iub i
-NBAP (NodeB Application P
(e.g. code allocation,transceive
-SAAL,AAL 5, ATM : These pr
The user plane of the Iub inte
way as on the Iur interface. T
-Frame Protocols : The Frame
-AAL 2 ,ATM : The frame proto
first-AAL type 2 signaling protoc
-STC, SAAL,AAL 5,ATM : The
The physical layer is not stan
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The following protocol model is
PS-core network domain.
1. Iu-CS protocol stack
The control plane for Iu-CS is
-RANAP ( Radio Access Netw
protocol of the Iu-CS interface
-SCCP (Signaling Connection
connection UTRAN-MSC for ev
-MTP 3B,SAAL,AAL5,ATM : T
The user plane on Iu-CS has t
-Iu UP (User Plane) protocol : control,data rate control,backw
-AAL2,ATM : For the data bea
The t ranspor t network cont ro
network control plane consistin
- AAL type 2 signaling protoc
- STC,MTP 3B,SAAL,AAL5,AT
UTRAN Interface Protocol - Iu ( UTRAN-CN)
The control plane of the Iur in
-RNSAP (Radio Network Sub
covers resource allocation for a
(SRNS relocation)
- SCCP (Signaling Connectio
the S-RNC sets up one SCCP
signaling messages
-MTP 3B,SAAL,AAL5,ATM : T
The user plane of the Iur inte
protocols
-Frame Protocols : The data t
protocols allow traffic managem
-AAL 2 ,ATM : The frame proto
-AAL type 2 signaling protoc
-STC,MTP3B, SAAL,AAL 5,AT
Converter) provides functionalit
signaling bearer of RNSAP of C
Iu-CS Protocol Stack
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2. Iu-PS protocol stack
The Iu-PS interface is the interf
Iu-PS control plane
-RANAP : The application proto
-SCCP : Provides signaling con
service. SCCP connections on I
-MTP 3B,SAAL,AAL5,ATM : T
The user plane on Iu-PS is co
necessary. The UTRAN provide
-Iu UP protocol : As for Iu-CS t
-GTP-U (GPRS Tunneling Pro
the PDP context and sequence
-UDP/IP : The UDP/IP protocol
vice versa.
-AAL 5,ATM : The ATM adapta
The AAL 5 virtual channels do
for the packet transfer. Therefo
UMTS system has different application parts depending on interface being used and each application part cont
signaling format, consisting each message of mandatory fixed part,variable fixed part and optional part.
Between nodes, there are three application parts (NBAP,RANAP and RNSAP) to convert and transmit signali
1. RANAP (Radio Access Network Applciation Part) : This application part is the Iu interface signaling proto
implemented by various Elementatry Procedures (EP). Each RANAP function requires the execution of one or
The following RANAP functions are defined:
-Relocation & Handover Control : Handles the relocation of RNC for soft handover and hard handover
-RAB Management: Handles the RAB setup,modification characteristic of an existing RAB and clearing a con-Iu Release Control : Connected signaling link and the U-Plane resources will be released.
-Paging : Sends paging messages from CN to an idle UE
-UE-CN signaling Transfer : Provides transparent transfer of UE-CN signaling messages that are not interpre
-Security Mode Control : Sets the ciphering on or off by encrypting signaling and user data connection in the
2. NBAP (NodeB Application Part): This application part is the Iub interface signaling protocol. It is divided in
-Common NBAP : Defines the signaling sequence across the common signaling link. Common NBAP defines
management
-Dedicated NBAP : Sequence related to a specific UE signaling in the NodeB. Upon radio link setup procedur
UMTS Protocol Stacks -> Application Part
Iu-PS Protocol Stack
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3. RNSAP (Radio Network Subsystem Application Part) : This application part is the Iur interface signaling
handover. The RNSAP protocol has the following functions:
-Radio Link Management : Allows the SRNC to manage radio links using dedicated resoruces in a DRNC.
-Physical Channel Reconfiguration : DRNC reallocates the physical channel resources for a radio link
-Radio Link Supervision: Allows DRNC to report failures and restoration of a radio link
-DL Power Drifting Correction : Allows SRNC to adjust the DL power level of one or more radio links in order
-CCCH Signaling Transfer : Allows the SRNC and DRNC to pass information between UE and SRNC on a C-Paging : Allows the SRNC to page a UE in a URA
-Relocation Execution: Allows the SRNC to finalize a relocation previously prepared via other interfaces.
4. ALCAP (Access Link Control Application Part) : This application part is the signaling protocol that provid
words, ALCAP setup transport bearer such as AAL2 path between different nodes interfaces (Iu,Iur,Iub) in the
Control Plane (NBAP,RANAP,RNSAP). And then,data bearer is setup by the ALCAP protocol.The use of the A
there is no dynamical setup and release for signaling bearers.
Data bearers have to be setup and released with ALCAP, when they are not pre-configured. In this case the se
The setup or release of a bearer is always controlled by an application protocol. But to avoid the restriction to a
the application protocol can control the bearer via abstract parameters (QOS parameters) only. This principle i
protocol starts a procedure to the destination node.
After the application protocol triggered the procedure,the ALCAP, that is specific to the bearer to be setup ,persuccessful bearer setup, the application protocol procedure can be finished, and the application can be inform
.
The following NBAP functions are defined:
1.Cell Configuration Management ,this function gives the controlling RNC (CRNC) the possibility to manage
2.Common Transport Channel Management,this function gives the CRNC the possibility to manage the con
3.System Information Management, this function gives the CRNC the ability to manage the scheduling of Sy
4.Resource Event Management, this function gives the NodeB the ability to inform the CRNC about the statu
5.Configuration Alignment ,this function gives the CRNC and the NodeB the possibility to verify and enforce
6.Measurements on Common Resources,this function allows the NodeB to initiate measurements in the No
7.Radio Link Management, this function allows the CRNC to manage radio links using dedicated resources in8.Radio Link Supervision ,this function allows the CRNC to report failures and restorations of a radio link.
9.Compressed Mode Control,this function allows the CRNC to control the usage of compressed mode in a N
10.Measurements on Dedicated Resources,this function allows the CRNC to initiate measurements in the N
11.DL Power Drifting Correction, this function allows the CRNC to adjust the DL power level of one or more r
12.Reporting of General Error Situations, this function allows reporting of general error situations.
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er Equipment UE.
witched PS (i.e. GPRS) domain
sponsible for serving the radio interface. Some of the tasks of the Mobile Equipment ares CDMA coding and
Ciphering and authorization,Mobility management and equipment identification.
l equipment. It supports call handling,contains security parameters,user-specific data e.g. telephone directory
e.g. via SMS or cell broadcasting.
authentication and chiphering for circuit and packet switched applications,PLMN selector and HPLMN search
.
hich is labelled Iu-PS, and to the cs domain, which is called Iu-CS. In both cases, ATM is used as transmissio
e.
r situations, where a UE„s active cells are under the control of more than one RNC. One RNC is responsible f
informat ion.
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) and the control of itself and the connected NodeB (O&M functionality). It is connected to the CN , CS domai
ace and to the connected Node Bs via Iub interface.
connected with the NodeB serving the cell. The tasks of the C-RNC covers the following areas:
deB).This means the C-RNC of a cell is responsible for all lower layer funcions related to the radio tec
The existence of a serving RNC does not imply that the UE is camped on a cell belonging to the S-RNC.The s
the following functions:
/modification or release of radio resources,for Outer Loop Power Control and for Handover decisions/initiation.
the CN. It decides to add or remove cells in the Soft Handover. The S-RNC is in most cases (but not always)
n be re-allocated to another RNC with the S-RNS reallocation procedure.
orresponding RANAP signalling to/from the core network per UE. The S-RNC terminates the RRC sign
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plementing a UMTS radio transmission. Depending on the sectoring of the cells ,one (omni) cell or multiple (s
y,up to six cells are serviced by a Node B in UMTS.
uency Division Duplex (Uplink and Downlink separated by different frequency bands),Time division Duplex
ode operation. A Node B converts user and signalling information received from the RNC for transport via theare involved in power control,NodeB measures the signal to noise ratio (SIR) of the User Equipment ,compar
UE to control its transmission power. The NodeB also measures the quality and strength of the links and det
g are examples of NodeB functions:
ansport to physical channel mappings. Encoding/Decoding – Spreading/De-spreading user traffic and signallin
ontrolling Uplink and Downlink radio paths on the Uu Air Interface,Baseband to RF conversion,Antenna multi-
ontrol,Quality and signal strength measurements
ith M2000 and RNC for alarm and control (Operations and Maintenance) functions.
gement. Managing ATM switching and multiplexing over the Iub interface. Control of AAL2/AAL5 connections.
erfaces – E1, PDH, SDH or microwave.
a cell, that does not belong to the S-RNC. This means the UE is connected with a cell controlled by a RNC diff
E is connected to, but its not the S-RNC.Therefore D-RNC performs the C-RNC functions for the cells not
-RNC. In the downlink the S-RNC sends the data to own cells and to the D-RNC(soft HO),this is called splittin
, Maximum Ratio Combining). In the Uplink,the S-RNC receives data from the own cells and from the D-RNC ,
lective combining). The usage of a D-RNC requires a Iur interface between D-RNC and S-RNC.NCs is allowed or not.
macro-diversity combining and splitting,if necessary. The D-RNC does not perform user plane data L2
or more DRNCs. ( Macro Diversity is an operation state in which a UE simultaneously has radio links
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, - .
Country Code (CC). The National Service Area is sub-divided into one or more PLMN Service Areas.
ountry Code (CC). The National Service Area is sub-divided into one or more MSC and SGSN Service Areas.
(PS-domain). MSC and SGSN Service Area may differ, but they are on the same hierachical level. The MSC
of UMTS. A Location Area is world-wide uniquely identified by its Location Area Identity LAI
ocation Area i.e. one LA may contain one or more RAs. The RA is the most precise UE information, which is
y. The RA is sub-divided into the Cell-Areas.
MN (in the RNC). The cell is world-wide uniquely identified by the Cell Global Identity (CGI)
aphical and physical entities of UTRAN are described as follow,
MCC(mobile country code) and a MNC(mobile network code). MCC and MNC are allocated by ITU-T and are
S and the concept of Routing Area for PS.
ith the PLMN-ID the RNC-ID is unique world wide. The RNC-ID will be used to address a RNC via Iu,Iur and I
NC-ID the Cell-ID forms the UTRAN cell ID
local cell identifier
a SAI(service area id):
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types of identifiers according to the point of generation of the identifier:
core network. In detail there are IMSI,TMSI and P-TMSI (and IMEI)
. This means they are allocated to the UE for the time of the need. After the last procedure the identifiers are r
try Code,MCC (3 digits) + Mobile Network Code,MNC (2-3 digits)+Mobile Subscriber Identification Number,M
his TMSI is allocated to an UE by VLR and stored in the U-SIM. It has only local significance i.e. within the are
-SIM. The P-TMSI consists of 3 bytes,which are operator-dependent.
R. The IMEI(15 digits) consists of a Type Approval Code TAC (6 digits),the Final Assembly Code FAC(2 digits
RNCs. Fours RNTI types exists:
to be reallocation,too.The S-RNTI is used by the S-RNC to address the UE, by the D-RNC to identify the UE
he first cell access (at cell change) at existing RRC connection and for UTRAN originating Paging including
an in-band UE identifier in all DCCH/DTCH common channel messages on Uu despite the first access
to the D-RNC. It is never used on Uu.
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tion between the different domains can be divided according to their functions. The UTRAN has the functions
d UTRAN and transport of signalling messages and user data between UE and CN. Therefore we can distigui
en UE,UTRAN and CN as follows,
um(AS) : The Access Stratum covers all signalling exchange used to control the access of an UE to the netw
r between UE and UTRAN and between UTRAN and CN. The difference between the access stratum UE-
RAN-CN is ,that the UTRAN-CN access stratum shall be independent of the radio technology used in UTRAN.
to support several different radio access technologies.
ratum: The Transport Stratum protocols and messages have the task to transport higher layer PDUs (Protoco
ecause UTRAN has the task to transparently transport data between UE and CN,there will be transport stratu
een UE and UTRAN and between UTRAN and CN.
Stratum (NAS) : The Non-Access-Stratum covers all messages of higher layers and user data, that do not de
port tasks.This cover pure application control (application stratum), service request and control (serving stratu
scription data and subscriber specific services (home stratum).
he CN,UTRAN and the UE. CN and UTRAN are connected via Iu interface,UTRAN and the UE via Uu(radio) i
nd control information (including requesting the service,controlling different transmission resources,handover
ing the Radio protocols and the Iu protocols of the Access Stratum (AS).
Non-Access Stratum(NAS) handle control aspects e.g. (GPRS)Mobility Management (G)MM,Connection Ma
ks. The NAS procedures (of Rel. '99) are in most cases unchanged compared to the GSM Phase 2+
otocols contain mechanism for transparent NAS message transfer. So-called Direct Transfer (DT) procedures
ls for these these transparent NAS message transfer.
TRAN interfaces are designed in horizontal layers and vertical planes. The general protocol model describe
of each other. The modularity of this model allows changing parts of the protocol structure in the future,if necc
in UTRAN is ATM. There is difference between the usage of ATM and the use PCM lines in a GSM-BSS. ATM
labelled AAL type 1,AAL type 2, AAL type 3/4 and AAL type 5. In UTRAN only AAL type 2 and AAL Type 5 ar
signalling. This means before a AAL type 2 virtual channel can be used,there might be signalling between th
in a new protocol model, where protocols for user bearer set up and release occur.
sists of two main horizontal layers- the Radio Network Layer and Transport Network Layer. All UTRAN relate
Layer only.The Transport Network Layer is used for UTRAN,offering transport technologies.It is without any U
he Transport Network Layer consists of all protocols used for the transport network solution. This includes the
er,also the bearer service protocols are included.
adio Network Layer contains all protocols,that are specific to the radio access and transport stratum. Also all
gh UTRAN, belong to this layer.
, the elements of this vertical structure are planes. A plane principle is protocol stack,more than one plane ca
protocol model consists of three vertical planes- the Control Plane,the User Plane and the Transport Network
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ne is the setup of a data bearer for the user plane
pports the data streams for user data. Therefore the data streams are packed into frame protocols. These fra
data bearers. In contrast to the signalling bearers of the control plane,the data bearer can require to be set up
ne consists of all application protocols that are used for radio network controlling. To transport the messages
ral signaling bearers,provided by the transport network are neccesary. The Control Plane is used for all contro
ic. It includes the Application Protocols (i.e. RANAP,RNSAP and NBAP) and the signaling bearer for transport
lane: The transport network control plane contains the ALCAP (Access Link Control Application Part). The ALrelease the data bearers of the user plane. Also ALCAP messages require a signaling bearer for transmissio
for all data bearers. Expecially the transport network control plane is not necessary when pre-configured bea
rk Control Plane is used for all control signaling within the Transport Layer. It contains no Radio Network Layer
Plane acts as plane between the Control Plane and User Plane, it enables the Application Protocol in the Con
chnology selected for data bearer in the User Plane.
Control Plane
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rotocols supporting the user data transfer. In the lowest layers there are the same protocols as for the control
The same basic stack is used for the user plane.
ces (switched channels). These data streams are directly input to the RLC
ition ,the CS control plane is used for controlling supplementary services and it can be used for the exchange
interface. Therefore it performs spreading,scrambling.modulation,channel conding,rate matching etc.
random access and the multiplexing/de-multiplexing of different UEs onto shared radio resources.
modes for every radio bearer. These modes are : Acknowledge (AM),Unacknowledge(UM) and Transparent
s all higher layer tasks related to the access stratum on the air interface (e.g. radio bearer setup)
service these are: MM (Mobility Management),CC (Call Control),SS(Supplementary Services) and SMS (Shor
s related to transport stratum for control signaling and access stratum between UTRAN and CN. It is the
singling connection for a UE. So the UE can then be identified by the signaling connection and not by an expli
rer to transport SCCP and RANAP.
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PS services. In fact these special protocols are on the higher layers,so that the lower layer will prove to be the
d CS. UMTS has been designed to support both types of services, so that there are no special protocols.
interface towards the MSC.
nenction to the SGSN in the core network. RANAP handles all signaling transport and access related tasks.
cols. Because there are essential differences how to handle a packet switched service request, the PS core
(Session Management) protocol is used. The SMS is in fact the same as for CS.
rences.
. These external data network have their own special network protocols ( e.g. internet) . These external data
ed with such an external network, the UE has to send packets of this special network protocol, for the UMTS
cket Data Protocol (PDP). It is the task of the UMTS network to provide a tunnel (PDP context) for transpare
t header. This shall increase the efficiency of the air interface usage.
TP-U organizes addressing and identification of the originator and destination of the data between RNC and
nreliable transport service. In principle only routing is performed with UDP/IP
ayer provides a bearer channel (virtual channel of AAL type 2) with certain QOS gurantees. Additonally the A
nd receiver.
nt stages of user data stream support.
nterface (<>NBAP). On the other hand, the real time AAL 2 is used for relaying UE- data and UE-signali
MSC.
User Plane -PS
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the interface between User Equipment (UE) and UMTS Terrestrial Radio Access Network (UTRAN) and
face in the UMTS system.
face (Uu) is layered into three protocol layers:
er (L1)
yer (L2)
er (L3).
ports all functions required for the transmission of bit streams on the physical medium. It is also in charge oficating to higher layers, for example, Frame Error Rate (FER), Signal to Interference Ratio (SIR),interference
composed of a “layer 1 management” entity, a “transport channel” entity, and a
el” entity.
tocol is responsible for providing functions such as mapping, ciphering, retransmission and segmentation. It i
(Medium Access Control), RLC (Radio Link Control), PDCP (Packet Data Convergence Protocol) and BMC (
plit into 2 parts: the access stratum and the non access stratum. The access stratum part is made of “RRC (R
ol)” entity and “duplication avoidance” entity. The non access stratum part is made of CC, MM parts.The RRC
nted by RNC, and the MM and CC functions of L3 are implemented by CN.
yers are located in the UE and the peer entities are in the node B or the RNC.
as the following steps,that can be identified with the presented functional blocks:r error detection
r the CRC is appended. if the resulting data block is too long (e.g does not fit into one radio frame) a segment
ence.UTRAN FDD and TDD offer four different channel coding schemes as FEC(Forward Error Correction). T
physical layer gets matching parameters from RRC layer
ing bits are appended
g and interference of the channel
Transport Channels)
at Combinations
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ast Control
r on common
nel types can
II. RLC, The functions of RLC include:
1. Segmentation, reassembly, concatenation, padding and transfer of user data
2. Flow control Error correction, in-sequence delivery of upper layer PDUs and duplicate dete
3. Sequence numbers check
4. Protocol error detection and recovery
5. Ciphering
6. Suspend/resume function
III. PDCP, The funct ions o f PDCP include:
1.Header compression and decompression of IP data streams at the transmit and receive enti2.Transfer of packet oriented user data using RLC transparent,unackowledge or acknowledge
3.Forwarding of PDCP-SDUs from NAS to RLC, and multiplexing of different RBs to the same
IV. BMC ,The funct ions of BMC include:
1.Storage of cell broadcast messages
2.Traffic volume monitoring and radio resource request for CBS
3.Scheduling of BMC messages
4.Transmission of BMC messages to UE
5. Delivery of cell broadcast messages to upper layer (NAS)
mission) bits are inserted. This is only for downlink
several radio frames
ral physical channels if neccesary
ansmitted in physical channels,there has to be an indication which transport formats are used for every transp
B the value of the TFCI can be translated into:
on is signaled by RRC during radio bearer establishment.
transport format set build a "transport format comnination". Such a combination has to be chosen with
rt format combination in the transport format combination set is uniquely identified with a transport format
ransmission power)
rocedures are triggered and mastered by higher layers like MAC and RRC. The procedures can be devided in
synchronization to physical channels. In the TDD mode also timing advance procedures are used to synchron
solution for this is a very fast power control mechanism,using a closed control loop ( UE<>NodeB<>UE)
ndom access mechanism to establish a radio connection between an UE and the Network. BNut also for
rm measurements of radio signal quality (bit error rate) and radio signal strength (signal interferencever procedures. For the measurments the UE physical layer has uses so called compressed mode mode radi
en performed.
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terface contains the following protocols:
rt) : The NBAP protocol is the application protocol of the Iub interface. It organizes all controlling tasks betwe
r configuration).
tocols constitute the signalling bearer for the NBAP messages.
rface has to transfer the downlink and uplink data to and from the UE. Therefore different frames are d
e user plane consists of:
Protocols encapsulate the UE data (UL&DL) on the Iub interface
col,that encapsulate the UE data,are transported over AAL 2 virtual channels of ATM. These AAL 2 virtual cha
l : The AAL type 2 SP provides the messages and functions to setup, release and modify AAL 2 virtual chann
STC (Signaling Transport Converter),SAAL,AAL 5 and ATM provide the signaling bearer for AAL type 2 signal
dardized. it is up to the operator and verndor to choose an appropiate physical transmission system.
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applied to the UTRAN interfaces Iu, there are differences between Iu-CS toward the CS-core network domain
formed out of the following protocols:
ork Application Part) : The RANAP protocol is responsible for all access and signaling transport related task
Control Part) : The SCCP is used to setup signaling connection between RNC and MSC. There will be one a
ery IE using CS service.
eses protocols provide the signaling bearer for RANAP/SCCP messages
o support the transfer of real time CS data streams. Therefore the Iu-CS plane has the following protocols:
The Iu UP protocol is used to provide additional support functions for CS data streams on Iu. These functionsrd error conrrection.
er to transport the data streams the AAL 2 virtual channels are used.
l plane is necessary ,because AAL2 virtual channels need to be setup and released. The protocol suite on th
of:
l : used to setup ,modify and release AAL 2 virtual channels.
M : These protocols provide the signaling bearer for the AAL type 2 signalling protocol messages.
terface contains the following protocols:
ystem Application Part) : The RNSAP protocol is responsible for the communication between S-RNC and D-
UE in a cell of the D-RNC,soft handover procedures and procedures to transfer the S-RNC functionality to a
Control Part) : The SCCP is used to set up a signaling connection between S-RNC and D-RNC for the UE.
signaling connection for every D-RNC and UE. The signaling connection will be used for fast identification of t
hese protocols form the signaling bearer used for the RNSAP protocol messages.
face has the tasks to transport uplink and downlink data for the UE connected to a D-RNC. This tasks
and from the UE will be encapsulated into frame. These frames are defined by so called frame protocols. Th
ent with in-band signaling
col packets are transmitted via Iub using AAL 2 virtual channels. So AAL 2 ,ATM form the data bearer on the I
l : The AAL type 2 SP provides the messages and functions to setup, release and modify AAL 2 virtual chann
M : These protocols provide the signaling bearer for the AAL type2 signaling protocol. The STC(Signaling Tra
y for congestion handling and load control. The protocol suite MTP3B,SAAL,AAL5 and ATM can be shared wit
ontrol Plane
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ce between RNC and SGSN. The control plane of Iu-PS is similar to the Iu-CS plane. It consists of:
col for Iu-CS and Iu-PS
nection on Iu-PS. There will be one and only one SCCP connection between RNC and SGSN for every UE usi
u-PS and Iu-CS do not affect each other.
e signaling bearer for SCCP/RANAP
petely different to the user plane of Iu-CS. This is because the traffic to and from SGSN is PS, so routing lay
s the following protocols on the Iu-PS user plane:
he Iu UP protocol can provide additional support functions for the data stream.
ocol-User Plane): GTP-U provides a frame for the user data to be transported. In a GTP-U frame a reference
numbers for the data are contained.
suite is used as network layer between RNC and SGSN. The task of these protocols is to route from RNC to S
tion layer of type 5 is used as bearer for the packets of IP/UDP/GTP-U.
ot need to be set up in a dynamic manner. Rather the operator is expected to pre-configure the AAL 5 bearer
re on Iu-PS there is no need for a transport network control plane. no bearer set up with explicit signalling is n
rols signaling information for the call setup between nodes. Basically these applications message structure is
g for the control plane and one application part (ALCAP) to set up the transport bearer for the user plane.
col that contains all the control information specified for the Radio Network Layer. The fucntions of RANAP are
more EP.
ected RAB
ted by UTRAN, such as broadcast information,direct transfer etc.
radio interface
o two procedures :
all the procedures for the logical operation and maintenance of the Node-B, such as configuration and fault
,the NodeB assigns a traffic termination point to control UE signaling. All of the subsequent signaling related t
RANAP NBAP
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rotocol that controls signaling transfer between two RNC (SRNC and DRNC) in order to support the inter RN
to avoid DL power drifting between radio links
CH controlled by the DRNS
s the signaling capability to establish,release and maintain AAL2 connections by a series of ATM VCCs. In ot
UTRAN. The transport bearer in the User Plane are setup first sending signals by the Application Protocol in t
LCAP is dependent on the type of bearer to be used. The signaling bearers are usually pre-configured. This m
tup runs in the following manner:
single transport system, the application protocols shall not be specific to a certain transport solution. Therefo
the same as for BICC (Bearer Independent Call Control). to trigger the set up of a bearer first the application
orms all necessary procedures to configure the bearer. When the application part receives the notification of ad to start the data stream transmission.
he cell configuration information in a NodeB.
iguration of common transport channels in a NodeB.
tem Information to be broadcast in a cell.
s of NodeB resources.
hat both nodes have the same information on the configuration of the radio resources.
eB. The function also allows the NodeB to report the result of the measurements.
a NodeB.
deB.
odeB. The function also allows the NodeB to report the result of the measurements.
adio links in order to avoid DL power drifting between radio links.
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n
r
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via Iu(CS) interface
hnology
erving RNC handles all
alling
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ector) cells can be
(Uplink and Downlink
radio interface,and ins the value with a
rmines the Frame
g.
coupling,
. Control
erent
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processing
ith two or
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and
specified within ITU-T
b
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eleased.
IN. The total length of
a controlled by a VLR.
which
to the
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to provide access links
h three types of
ork. Access Stratum
. This
l Data Unit)
m
al with
)
nterface. User data
etc) are exchanged
agement (CM) or
are
s these layers and
essary,while other
supports
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corresponding ATM
issues
TRAN
physical
ther data
coexist
ontrol
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e
with
f an
l
the
CAPn. It is
rers only
rol Plane
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plane. The following
of short messages. It
TM).
t
it
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same as for the CS
nt
SGSN.
L 2 cirtual channel
ng
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it is the most
easurements functionpower, transmit power,
s made of four
roadcast/Multicast
adio
functions of
ation is performed
ese
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ction
ities respectivelyd mode
RLC entity
ort
to
ize
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n RNC and NodeB
efined in the same
nnels have to be set up
els.
ing protocol.
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and Iu-PS towards the
. It is the application
nd only one SCCP
can be : timing
transport
RNC. This
-RNC
his means
e UE in
equires the following
se frame
ub interface.
els.
sport
h the
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ing PS
r are
number for
GSN and
to be used
cessary.
similar to the SS7
o
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soft
er
e
eans
re
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Mapping of UE state to 3GPP Specifications
After UE switch on, there are two basic operational modes of a UE, idle mode and connected mode.The connected mod
further divided into 4 service states,which define what kind of physical channels a UE is using. The mapping of UE state
speciafication is shown below:
RRC Tasks and Functions
The RRC protocol is the application part for the UMTS radio access technology. This means all controlling radio tasks ar-broadcasting of system information for NAS stratum
-establishment,maintenance and release of RRC signaling between UE and UTRAN connections
-establishment,reconfiguration and release of radio bearers
-RRC connection mobility functions
-Quality of Service (QOS) control
-UE measurement reports
-outer loop power control
-security control
-paging
-Initial cell selection and reselection
-transport of NAS stratum control messages
With all these tasks the RRC protocol belongs to the access stratum when the radio oriented control tasks are phigher layer control plane protocol messages.
UE Switch on
UE Idle3GPP TS 25.304
UE Connected3GPP TS 25.331
GSMConnectedGSM TS 04.18
GSM PackTransfer
GSM TS 04.
GSM IdleGSM TS 05.08
UE Idle3GPP TS 25.3043GPP TS 25.331
Cell_DCH3GPP TS 25.331
Cell_PCH3GPP TS 25.3043GPP TS 25.331
Cell_FACH3GPP TS 25.3043GPP TS 25.331
URA_PCH3GPP TS 25.3043GPP TS 25.331
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RRC Modes and State Transitions including GSM
The RRC protocol is an application part (Radio Resource Management) and transport protocol (NAS message transport
states.
The RRC state definiton describes the RRC protocol behavior as a nested set of stated. Two main states are def
1. UTRA Idle Mode : In UTRA idle mode, the UE has no signaling relationship with the UTRAN. In this case the idle mo
Usage of Radio Bearer by the RRC protocol
The RRC protocol uses the radio bearer service provided by the layer 1 and layer 2 of the UMTS radio interfa
The radio bearers 0,1,2,3,4 are pre-assigned for exclusive RRC usage. The following is speified:
-RB0 : The radio bearer 0 shall be used for all CCCHs. The CCH in the uplink is mapped to the RACH with R
FACH with RLC unacknowledged mode.
-RB1 : The radio bearer 1 is for all DCCH messages with RLC unacknowledged mode
-RB2 : The radio bearer 2 is used for all DCCH messages in RLC acknowledged mode, but not for RRC mes
-RB3 and optional RB4 : These two radio bearers shall be used for RRC messages carrying NAS message
The radio bearers 5,...,31 can be used with explicit radio bearer set up for all purposes, e.g. traffic channels o
For RRC messages the protocol specified which RLC mode and with this which radio bearer can be chosen f
Release RRCConnection
Release RRCConnection
Establish RRCConnection
Establish RRCConnection
CellReselection
Relof
URA_PCH
CELL_DCH CELL_FACH
CELL_PCH
UTRA RRC Connected Mode
Idle Mode
(UE camps on UTRAN cell)
G
UTRA: Inter-RAT
(MS in
(
G
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RRC Idle Mode
RRC Connected ModeThe RRC connected Mode can be further decomposed into four different states. These four sub-states describe, on whi
UE. UTRAN can know any UE either on cell level (cell state) or on URA level (URA state). On the other hand any UE ca
exchange. Therefore the four connected states are introduced:
When a UE is switched on, it enters the RRC idle mode. In the RRC idle mode, there is no connection on the access str
in the RRC idle mode. If UTRAN wants to address the UE, it must use non-access stratum identifiers, such as IMSI or T
In the RRC idle mode, the UE monitors the BCCH, and when it is registered to the CN, it also listens to paging occasion
The transition from the RRC idle mode to the RRC connected mode can only be initiated by the UE by sending the "RR
used to exchange messages and data between the UE and UTRAN, the UE is identified by a Radio Network Temporary
figure above, the UE can be in one of four sub-states, when it is in the RRC connected mode. The sub-states depend on
channels depend also on the sub-states. For instance, the DCHs are not available in the sub-states CELL_PCH and CE
mode when sending the RRC Connection Request message to UTRAN. When UTRAN accepts the UE„s request, the U
RRC Mode Description
CELL_DCHIn this sub-state, dedicated physical channels are allocated to the UE. DCCH and – if configured – DTCH information ca
because the physical channels are exclusively allocated to this UE. UTRAN knows the active set cells for the radio links
allocated to the UE. In this state, the UE is capable to receive RRC messages on the DCCH (and BCCH, if it owns spec
UE reads the cell system information and acts accordingly. For instance, it determines the measurement quality and the
entered from Cell_FACH by setting up a DCH. When the last DCH is released the UE enters Cell_FACH,Cell_PCH,UR
In the CELL_DCH state the UE shall perform the following actions:
if DCCH and DTCH are available:
- read system information broadcast on FACH (applicable only to UEs with certain capabilities and camping on FDD cel
- perform measurements process according to measurement control information
CELL_FACH
This state was introduced for traffic situations, where only small amounts of data have to be transmitted. This is the caseof user data (e.g. SMS messages) have to be transmitted. In this case, an exclusive allocation of one physical channel t
FACH can be used by the UE to transmit higher layer data, which it has to share with other UEs. Each UE must be expli
permanently in the downlink, not to miss user data for it. The UE„s FACH is mapped on one S-CCPCH.
In the uplink, it uses the shared transport channels for user data transfer, such as the RACH. The UE is only connected
handover takes place in this sub-state. The UE is responsible for cell re-selection. By listening to the cell system informa
values, neighbourhood lists to perform the cell re-selection process. Other relevant information is also learned from the
RRC messages on the BCCH, CCCH and DCCH channels. Due to the discontinuous type of traffic, UTRAN can comm
,
2. UTRA RRC Connected Mode : In the connected mode the UE has a signaling connection with the UTRAN. The setu
connection set up). This procedure is the transistion from idle to connected mode. When the RRC connection is release
For multi-mode mobile phones (e.g. UMTS,GSM/GPRS) the RRC states can be combined with the radio resource
phone can be:
1. Idle Mode : The idle mode of GSM/GPRS has the same meaning as the idle mode of UMTS. The only difference is, t
2. GSM conected mode : In GSM the RR (Radio Resource Layer) performs the radio management. This protocol can s
When such a connection exist,the UE is in GSM connected mode. A GSM-DCCH is allocated for the UE in this case.
3. GPRS packet transfer mode : In GPRS the radio resources are allocated for a mobile temporary only. Such a tempo
mobile is granted a temporary block flow ,the mobile is in GPRS packet transfer mode (GPRS-RLC state)
With a multi-mode UE it shall be possible to perform in-service-transitions between the different Radio Access Technolo
handover from UTRA connected mode to GSM connected mode and vice versa. A transistion from UTRA connected mo
packet transfer in UMTS, making a cell reselection to a GPRS cell and getting a GPRS temporary block flow.
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_
if the UE is "in service area":
- DCCH and DTCH are available
- perform cell reselection process
- perform measurements process according to measurement control information
- run timer T305 (periodical cell update)
- listen to all FACH transport channels mapped on S-CCPCH assigned to this UE
if the UE is "out of service area":
- perform cell reselection process
- run timers T305 (periodical cell update), and T317 (cell update when re-entering "in service") or T307 (transition to Idle
CELL_PCH and URA_PCH
The remaining two sub-states – CELL_PCH and URA_PCH – were introduced to cope with inactive data users. Just thin
with the data, and for a longer time, no transmission takes place. If this is the case, access stratum resources can be rel
DTCH is allocated to the UE. No exchange of data is possible between the UE and UTRAN. If the UE wants to transmit
The UE listens to the cell system information, broadcasted on the BCCH. It performs measurements accordingly, and is
PLMN with a higher priority. When UTRAN wants to transmit data to the UE, it must be paged first. Therefore, the UE h
on the BCCH and the PCCH.
CELL_PCH In this sub-state, the UE„s current cell is known to the RNC. If the RNC wants to exchange data with the UE
must perform a cell update. Also periodical cell updates can be requested by UTRAN. To perform updates, the UE must
uplink transmission is allowed in CELL_PCH/URA_PCH.)
URA_PCH URA stands for UTRAN Registration Area. This state is comparable to the Cell_PCH,only that the UTRAN
If the UE is in the CELL_PCH and moving fast, a lot of cell updates have to be performed. URAs are a combination of o
cell may belong to several URAs. If UTRAN wants to transmit something to the UE, it must page the UE within the URA.
URA – and periodic URA updates – when required by UTRAN.
In the URA_PCH or CELL_PCH state the UE shall perform the following actions:
if the UE is "in service area":
- maintain up-to-date system information as broadcast by the serving cell
- perform cell reselection process
- perform a periodic search for higher priority PLMNs
- monitor the paging occasions according to the DRX cycle and receive paging information on the PCH
- perform measurements process according to measurement control information
- maintain up-to-date BMC data if it supports Cell Broadcast Service (CBS)
- run timer T305 for periodical URA update if the UE is in URA_PCH or for periodical cell update if the UE is in CELL_P
if the UE is "out of service area":
- perform cell reselection process
- run timer T316;
- run timer T305
RRC Connection Mobility Management and RRC ModesIf the UE is in the RRC connected mode, but not in the CELL_DCH sub-state, it is responsible to inform UTRAN about a
state and send the RRC message Cell Update or URA Update.
Depending on the UE„s RRC message, UTRAN returns the RRC message Cell Update Confirm or URA Update Confirm Connection Release message.
The cell or URA update are conducted for several reasons:
1. The UE is in the CELL_PCH or URA_PCH sub-state and re-entering the UMTS service area. Then the UE moves to t
2. Periodical updates can be enforced by the operator for UEs in the sub-states CELL_FACH, CELL_PCH and URA_PC
3. There is an unrecoverable error at the UE„s RLC-entity, used for acknowledge mode of operation.
4. A cell update is additionally triggered for several reasons:
- The UE has performed cell-reselection. It is camping on a new cell, and UTRAN must be notified about it.
- The UE was paged in the sub-states URA_PCH or CELL_PCH.
- The UE informs UTRAN about its transition to the CELL_FACH state. Another reason for a CELL_FACH transition is a
transmitted u link.
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Cell and URA updates performed according to the causes in the figure below. As you can see, a periodic update can be
also, when the UE is in the CELL_FACH sub-state. A periodic update is a supervision mechanism, which can be used b
performed, a UE in the CELL_FACH sub-state may transit to the sub-states CELL_DCH, CELL_PCH or URA_PCH, or i
- The UE is in the CELL_DCH and a radio link failed.
- The UE was not capable to transmit the RRC message UE Capability Information.
If a cell update takes place, the UE may be requested to modify its RB configuration, TrCH configuration, etc. This must
establishments of RLC-entities in the acknowledged mode as figures below.
URA Update is conducted – next to re-entering the UMTS service area, due to an RRC acknowledged mode unrecovera
UE performs cell re-selection, and the new“ cell does not belong the the UE„s URA. An URA Update is then triggered b
When a UE transmits a Cell Update or URA Update message, it starts the timer T302. It waits for the T302 period to get
If no confirmation message arrived within this time period, the UE retransmits the original message. The number of Cell
send, it hereby limited to N302. The retransmission is of course only possible, when the UE is in the service area; if not,
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UE Tasks in the CELL_FACH Sub-state
In the CELL_FACH, but also in the CELL_PCH and URA_PCH, the timer T305 is used for periodical cell or URA update
It is still active, when the UE is out of the service area. What happens, if this timer expires? The timer T307 is activated,
moves into the idle mode and releases all resources.
The timers can be broadcasted with the System Information Block 1 (or as part of the UTRAN Mobility Information mess
Out-of-Service Area Timing
If the UE is out of service area, it runs the cell selection process. It keeps the timers T305 running and starts timer T316.
and the UE is in the service area again, the UE stops timer T316. It also stops timer T307, in case this timer is active. B
by the same cell or URA, and no update is required. If the UE is in the service area, but the cell or URA has changed, th
happens, if the timer T316 expires? If the UE is still out of service area, it moves to the sub-state CELL_FACH and start
the Cell Update with cause re-entering service area .
In the CELL_FACH state, the UE acts like this:
If the UE is in the service area and the timer T305 has expired, it performs a periodical cell update.
If the UE is out of service area, it performs the cell selection process. The timers T305 is still active, and the UE starts ti
timer T317 is stopped. Also timer T307 is stopped, when it was active. The UE has to transmit the RRC Cell Update mecell update: re-entering service area. If the timer T317 expires, the UE moves to the idle mode. It releases all dedicated
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e can be
to 3GPP
e in the responsibility of RRC. The RRC has following functions:
erformed and it belongs to the transport stratum,because it carriers the
et
0
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. Therefore the RRC protocol requires state definition with transitions between
ined:
e procedures have to be applied. This means as soon as the
ce. The radio bearers in an UE will be numbered from 0 to 31.
LC transparent mode, the downlink CCCH is mapped to the
sages that transport NAS messages inside.
on DCCH in RLC acknowledged mode.
r control channels.
or transport of this message.
Release RRConnection
Establish RRConnection
Initiationof a TBF
ease TBF
GSMConnected
Mode
SM-UMTS Handover
andover
GPRS Packet Idle Mode)
S camps on a GSM/GPRS cell)
RS PacketTransfer
Mode
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h level the UE is known by UTRAN and which resources are allocated by the
have a DCH or a FACH or no transport channel for control message
atum level between the UE and UTRAN. UTRAN has no information about UEs
SI and LAI.
s on its PICH.
Connection Request" message to UTRAN. If common transport channels
Identity (RNTI). As can be seen in the
the connectivity level between the UE and UTRAN. The set of usable transport
LL_URA. The UE leaves the RRC idle
enters either the sub-state CELL_DCH or CELL_FACH.
n be transmitted. There no need to identify the UE on a dedicated channel,
and thus the location of the the UE. Also downlink shared channels can be
ific capabilities). The cell system information is broadcasted on the FACH. The
reporting events from the cell system information. This state can only be
_PCH or idle mode
ls);
when only higher layer signalling information (NAS signalling) or small amountthe UE would result in a waste of resources. Only common transport channel
icitly addressed, for instance by the RNTI. It has to monitor the FACH
to one cell, and this is the location information, known within UTRAN. No soft
tion from the BCCH, it gains all relevant measurement qualities, threshold
CCH. The UE receives
nd the UE to perform periodic cell updates.
p of this signaling conenction is done by a RRC procedure (RRC
, the connected mode is left and the idle more is entered.
management states of GSM/GPRS. In GSM/GPRS the states of a mobile
at the UE is camped on a GSM/GPRS cell
etup a RR connection between network and mobile equipment.
rary resource is called a temporary block flow (TBF). When a
gy (RAT).Therefore it is possible to make a inter-system
de to GPRS packet transfer mode is simply done by stoppint the
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mode)
k about users, who surf in the Internet. After downloading some files, they work
eased when moving in one of the two states. In both states, no DCCH nor
omething, it must move first internally to the sub-state CELL_FACH.
responsible for cell-reselection. In addition to that, it periodically looks for a
s to monitor paging occasions on its PICH, i.e. it receives RRC messages both
, it only needs to page the UE there. If the UE changes the cell, it
change to the CELL_FACH sub-state. (Please note, that no
nows the UE on URA level.
e or several cells under one S-RNC. URAs may overlap, i.e. a
The UE is responsible for URA updates – when it changes the
H
detected change of location. The UE then moves (or is) in the CELL_FACH
– if it accepts the UE„s update request. Otherwise, it return the RRC
e CELL_FACH state and notifies UTRAN.
H.
indication by the UE„s higher layers, that data has to be
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done not only, when the UE is in the CELL_PCH or URA_PCH sub-state, but
y the mobile operator to keep track of the UE. If a cell or URA update was
the RRC mode idle.
be confirmed by the UE. It may also include a re-
ble error and because of an periodic URA update – when the
the UE to get a new URA assigned.
the Cell Update Confirm resp. URA Update confirm message
Update or URA Update messages, the UE is allowed to
it must continue to search a service area.
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s.
and the UE starts the cell selection process. If the timer T307 expires, the UE
age):
The UE attempts to find a serving cell again. If it is successful,
ing back in the service area can mean, that the UE is served
e cell or URA update has to be initiated by the UE. But what
timer T317. If the UE is back in the service area, it performs
er T317, if it was not yet active. If the UE enters the service area again, the
sage to UTRAN, indicating the cause of theresources.
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>>State Transist ions Parameters Descr ipt ion (Module II)
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Click to return to main page
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>>UE&NodeB Timer and constant Parameters Descr ipt ion (Module II)
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RRC Connection Request Message
RRC ProceduresBetween the UE and the RNC, the Radio Resource Control (RRC) protocol is used to exchange signalling and contro
transport channel configurations, and the physical layer settings. With that, the UE knows how to receive and transmi
about the radio interface configuration.
Following RRC procedures can be identified in accordance to the ETSI specification TS 25.331 V3.12.0:
-RRC Connection Management Procedures :These procedures include the broadcasting of system information, pinformation transfer, etc.
-Radio Bearer Control Procedures :These procedures for radio bearer establishment, transport channel and physic
-RRC Connection Mobility Procedures :These procedures such as cell and URA updates, UTRAN mobility informat
-Measurement Procedures Measurement control and report , etc. is managed here.
Radio Resource Control message contains of following groups of information elements :
-CN information elements : NAS specific information is transmitted, such as the CN type and CN domain identity.
-UTRAN mobility management information elements : Cell access restrictions, cell and URA identities are exampl
-UE information elements: UE related information is exchanged here, including capability update requirements, PD
-Radio Bearer information elements: These information elements mostly describe the characteristics of a radio bea
-Transport Channel information elements: Here, mainly the transport channel characteristics are described, such
-Physical Channel information elements: Here, everything relevant for the PHY-layer is covered, such as the descr
-Measurement information elements: Cell measured results, event results, filter coefficients etc. are exchanged he-Other information elements
RRC Connection EstablishmentThe purpose of the RRC Connection Establishment procedure is to create a RRC connection between the UE and U
To do so, the UE sends the RRC Connection Request message to the RNC. The UE was in the RRC idle mode, and
establishment is always initiated by the UE. It is transmitted via the logical channel CCCH.
UTRAN returns a response. If UTRAN accepts the UE„s RRC Connection Request, it returns the message RRC Con
physical channels.
From the RNC point of view, it is not just sufficient to inform the UE about the signalling resources. The Node B must
interface and Uu-interface. Before the RNC returns the RRC Connection Setup message to the UE, it uses the UTRA
If UTRAN denies access to the UE, it returns the message RRC Connection Reject. Both messages are returned to t
If the UE has received the message RRC Connection Setup, it returns the RRC Connection Setup Complete messag
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RRC Connection Setup Message
2.RRC Con
If the S-RN
connection
configuratio
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The RRC C
characteristi
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1. RRC Connection Request message
It is initiated by the UE and transmitted via the uplink CCCH. Two types of information element groups can be found i
-UE information elements and
-Measurement information elements.
Following data about the UE is sent in this message:
-Initial UE identity:
The UE identities contains of 4 options- IMSI,IMEI,P-TMSI&RAI or TMSI&LAI. The operator can choice one of the UE
-Establishment cause :
There is a huge list of causes for a connection request
-Protocol error indicator :
This message can also indicate, whether a protocol error occurred.
If so, this value is set to TRUE. The default value is FALSE.
The UE also delivers measurement results; the corresponding IE is called Measured Results on the RACH, becau
operator, but it is an option. If set by the operator, it is broadcasted as cell system information. The cells, listed in the
with the best one in the beginning of the list.
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the RRC Co
PDCP layer
The message itself holds 4 information elements groups:
1. UE information elements to identify the UE (UE IEs)
2. Radio bearer information elements (RB IEs), which specify the properties of the signalling bearers, which are es
3. Transport channel information elements(TrCH IEs: UL/DL) to define the transport channel characteristics, in ot4. Physical Channel information elements(PhyCH IEs: UL/DL), which specify parameters relevant for the PHY lay
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3. RRC Connection Setup message: TrCH IEs (UL/DL):
Each RB set between a UE and UTRAN has a unique number. Each of them can be mapped on one or two logical ch
mapped on transport channels. But on which transport channels can the higher layer information be transmitted? Ho
TrCH UL/DL. This information is used by the RRC to configure the RLC-, MAC, and PHY layer.
A very important IE is the Transport Format Set (TFC). The Transport Format Set information element describes thewhich logical channels are mapped on this TrCH.
The MAC layer is responsible to take the RLC PDUs (which hold the TBs), and to send them to their peer entity. RLC
holds relevant information to identify the receiver of the RLC PDU. For instance, if two DTCHs are multiplexed on one
the RLC PDU has to be delivered to.
Please note, that three different MAC entities exist:
-MAC-b: This entity controls the BCH. It is located in the Node B.
-MAC-c/sh : This MAC-entity controls the access to the common control channels PCH, FACH, RACH, CPCH, DSC
-MAC-d: This MAC-entity control the access to the dedicated transport
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RRC Connection Setup Complete message
4.RRC Connection Setup message: PhyCH IEs (UL/DL):
The Physical Channel information elements deliver relevant information for the PHY layer to configure the physical ch
established. As can be seen, a UE can be immediately re-directed to another frequency band for the signalling beare
The Uplink DPCH info is an optional information element in the RRC Connection Setup message.
The UE can be informed about the downlink radio resources, when receiving the RRC Connection Setup message.
following FDD-mode specific information elements:1. DPCH compressed mode If a UE has only one receiver, it can„t make inter-frequency or inter-RAT measuremen
the downlink transmission must be interrupted to give the UE time to make its measurements. Therefore, this mode i
puncturing is done – if the required link quality can be kept up – or the spreading factor is halved for a short while.
2. Site Selection Diversity Transmit (SSDT) ,The UE is served by several active set cells. But while all active set ce
cells, which one shall serve it in the downlink.
3.Transmit Diversity Two-transmitter diversity is applied. The UE sends a feedback (FBI) to the Node B, so that t
called „closed loop modes“: - closed loop mode 1: A phase adjustment is done with one antenna. Hereby, the fe
are sent on four timeslots to the Node B.
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L1 Synchonization on DPCCH and DPDCH (UL and DL)
Downlink synchronisation primitives
RRC Connection Establishment Timing
After the UE transmits RRC CONNECTION REQUEST message, the T300 timer will be started, and the timer will be
REQUEST message is retransmitted less than the number of times specified by the constant N300, the UE repeats R
procedures in details are as follows:
if the UE has not yet received an RRC CONNECTION SETUP message with the value of the IE "Initial UE identity" e
the UE shall:
- check the value of V300; and
if V300 is equal to or smaller than N300:
- if cell re-selection occurred: set CFN in relation to SFN of current cell
- set the IEs in the RRC CONNECTION REQUEST message
- perform the mapping of the Access Class to an Access Service Class and
- apply the given Access Service Class when accessing the RACH;
- submit a new RRC CONNECTION REQUEST message to lower layers for transmission on the uplink CCCH;
- increment counter V300;
- restart timer T300 when the MAC layer indicates success or failure to transmit the message;
if V300 is greater than N300:
- enter idle mode.
- consider the procedure to be unsuccessful;- Other actions the UE shall perform when entering idle mode from connected mode
- The procedure ends.
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For the dedicated channels, synchronisation primitives are used to indicate the synchronisation status of rad
A UE Layer1 shall check the synchronisation status of every radio frame of downlink and uplink dedicated channels i
a radio link is determined based on the physical channel BER of the DPCCH (The physical channel BER is the relatio
Qout and Qin specify at what DPCCH quality levels the UE shall shut its power off and when it shall turn its power on
The cr i ter ia for report ing sy nchro nisat ion status are def ined in two d if ferent phases.
Phase 1:
-Starts when higher layers initiate physical dedicated channel establishment and lasts until 160 ms after the downlink
-During this time the Out-of-sync status shall not exist-Dur ing th is t ime the In-sync s ta tus shal l be repor ted us ing the CPHY-Sync-IND pr im i t ive i f the fo l lowing cr i te
The UE estimates the DPCCH quality over the previous 40 ms period to be better than a threshold Qin. This criterion
collected. Qin is defined implicitly by the relevant tests. (def. 20% BER) . (The mapping of the Q_IN values to the act
Phase 2:
-Starts 160 ms after the downlink dedicated channel is considered established by higher layers with In-sync status
-During this phase the criteria for the Out-of-sync and In-sync status are as follows
Out-of -sync shal l be repo rted using the CPHY-Out-of -Sync-IND pr imit ive if ei ther of the fol low ing c r i ter ia are
- The UE estimates the DPCCH quality over the previous 160 ms period to be worse than a threshold Qout. Qout is d
- The 20 most recently received transport blocks with a CRC attached, as observed on all TrCHs using CRC, have be
attached have been received with incorrect CRC. In case of no TFCI is used this criterion shall be considered only for
In-sync shal l be reported u sing th e CPHY-Sync-IND pr imit ive if bo th of the fo l lowing cr i ter ia are ful f i l led:
- The UE estimates the DPCCH quality over the previous 160 ms period to be better than a threshold Qin. Qin is defi
- At least one transport block with a CRC attached, as observed on all TrCHs using CRC, is received in a TTI ending i
CRC attached, this criterion shall be assumed to be fulfilled. In case of no TFCI is used this criterion shall be conside
Uplink synchronisation primitives
Layer 1 in the Node B shall every radio frame check synchronisation status of all radio link sets. Synchronisation stat
CPHY-Out-of Sync IND primitive. Hence, only one synchronisation status indication shall be given per radio link set.T
DPCCH quality or CRC checks. One example would be to have the same criteria as for the downlink synchronisation
The establishment of a radio link can be divided into two cases:
- when there is no existing radio link, i.e. when at least one downlink dedicated physical channel and one uplink d
- or when one or several radio links already exist, i.e. when at least one downlink dedicated physical channel is to
In Node B, each radio link set can be in three different states: in i t ia l state , out-of -sync state and in-sync state . Tr
20 last TBs trawith incorrect C
UE Sycnchronization Status
At least one TB in the last radioframe with correct CRC transmitted
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Downlink radio link failure/restore
The downlink radio links shall be monitored by the UE, to trigger radio link failure procedures. Radio link failure detect
receiving N313 consecutive "out of sync" indications from layer 1 for the established DPCCH physical channel in FD
->start timer T313
->upon receiving N315 successive "in sync" indications from layer 1 and upon change of UE state:
->stop and reset timer T313
In case of the expiry of T313 which means Radio Link Failure, how much time UE can re-establish a bearer. A bear
Radio Link Monitoring
explain more details below.
1. No existing radio link
When one or several radio links are to be established and there is no existing radio link for the UE already, a dedicat
in downlink. This corresponds to the case when a dedicated physical channel is initially set up on a frequency.
The radio l ink establ ishment is as fol lows:
a) Node B considers the radio link sets which are to be set up to be in the initial state. UTRAN shall start the transmis
transmitted.The initial downlink DPCCH transmit power is set by higher layers.Downlink TPC commands are generat
b) The UE establishes downlink chip and frame synchronisation of DPCCH, using the P-CCPCH timing and timing off
synchronisation word. Downlink synchronisation status is reported to higher layers every radio frame.c) If no activation time for uplink DPCCH has been signalled to the UE, uplink DPCCH transmission shall start when h
uplink DPCCH transmission shall not start before the downlink physical channel has been established and the activat
d) UTRAN establishes uplink chip and frame synchronisation. Frame synchronisation can be confirmed using the fra
in-sync indications are received from layer 1, when Node B shall trigger the RL Restore procedure indicating which ra
shall be considered to be in the in-sync state.The RL Restore procedure may be triggered several times, indicating w
2. One or several existing radio links
When one or several radio links are to be established and one or several radio links already exist, there is an existing
set up in the downlink. This corresponds to the case when new radio links are added to the active set and downlink tr
a) Node B considers new radio link sets to be set up to be in initial state. If a radio link is to be added to an existing ra
addition of the radio link, i.e. if the radio link set was in the in-sync state before the addition of the radio link it shall re
b) UTRAN starts the transmission of the downlink DPCCH/DPDCH at a frame timing such that the frame timing receiv
the UE. Simultaneously, UTRAN establishes uplink chip and frame synchronisation of the new radio link. Frame syncin the initial state shall remain in the initial state until N_INSYNC_IND successive in-sync indications are received fro
obtained synchronisation. When RL Restore is triggered the radio link set shall be considered to be in the in-sync sta
obtained for different radio link sets.
c) The UE establishes chip and frame synchronisation of the new radio link. Frame synchronisation can be confirmed
layers every radio frame.
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When the UE starts to set up the dedicated channel, it starts the T312 timer, and after the UE detects N312 synchron
has failed.
->When a physical dedicated channel establishment is initiated by the UE, the UE starts a timer T312 and wait for lay
->On receiving N312 "in sync" indications, the physical channel is considered established and the timer T312 is stopp
->
Uplink radio link failure/restoreThe uplink radio link sets are monitored by the Node B, to trigger radio link failure/restore procedures. Once the radio
those two states are described below.
-The uplink radio link failure/restore criteria is based on the synchronisation status primitives CPHY-Sync-IND and C
synchronisation status indication shall be given per radio link set.
-When the BTS L1 has detected N_INSYNC_IND consecutive indications with In-sync status, the radio link is moved
BTS L3 sends the NBAP:SYNCHRONIZATION INDICATION message to the RNC
-When the radio link set is in the in-sync state, Node B shall start timer T_RLFAILURE after receiving N_OUTSYNC_
receiving successive N_INSYNC_IND in-sync indications. If T_RLFAILURE expires, Node B shall trigger the RL Failu
triggered, the state of the radio link set change to the out-of-sync state. During the Out-of-sync state, L1 keeps on se
released by the RNC with the NBAP:RADIO LINK DELETION message
-When the radio link set is in the out-of-sync state, after receiving N_INSYNC_IND successive in-sync indications No
synchronisation. When the RL Restore procedure is triggered, the state of the radio link set change to the in-sync sta
After the BTS has established the frame synchronization to the uplink DPCH, the transmission power of the downlink
downlink dedicated physical channel are based on the SIR measurements from the uplink DPCH. (The parameters Q
in the NBAP: CONFIGURATION DATA message)
Example of 3 common cases of L1 Synchonization
ce or up a e. s con ro ng ransparen an unac now e ge mo e earers. s con ro ng ac n
->Timer T314 is started if radio bearer(s) that are associated with T314 exist or if only RRC connection exists, and sto
->Timer T315 is started only if radio bearer(s) that are associated with T315 exist, and stopped when the Cell Update
If T314 expires and T305 is not running, then all radio bearers associated with radio bearers with T314 value are loca
If T315 expires and T305 is not running, then all radio bearers associated with radio bearers with T315 value are loca
In case of the expiry of T314 (T315), the corresponding service Radio Bearers will be removed.
For UE in CELL_DCH state, In case of Radio link failure, if the Radio link cannot be successfully reconfigured by CE
resent for Radio link reconfiguration (this operation relates to T302 and N302). T314(T315) should be set greater tha
The timer T302 is started when UE transmits CELL UPDATE/URA UPDATE, and stopped when UE receives a CELL
UPDATE/URA UPDATE if the counter V302 is no bigger than the Maximum number of retransmissions of the CELL U
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->In case BTS is able to establish synchronization it sends NBAP:Synchronization Indication –message to RNC
->In case UE is not able to establish synchronization within timer T312 it stops TX on the DCH
->As the UE TX is off the BTS looses the L1 synchronization and sends NPAB: Radio Link Failure –message to RNC
After Timer expires in RNC the RNC sends NPAB: Radio Link Deletion to BTS which then stops searching for the syn
_ _
->In case UE is not able to establish synchronization within timer T312 it stops TX on the DCH
->In case BTS is not able to establish synchronization it does not send NBAP:Synchronization Indication –message t
The BTS tries to establish synchronization until timer in RNC expires and RNC sends NBAP:Radio Link Deletion -me
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l data to establish, maintain, and release connections. The UE gets informed about the radio bearer characteristics, the
t data via the WCDMA radio interface. The RNC uses the NodeB A ppl icat ion Part (NBAP) protocol to inform the Node B
ging, RRC connection establishment and release, UE capability inquiry, security mode control, Inter-RAT handover
al channel reconfiguration, physical channel failure, etc. can be found here.
ion, active set update, and various handover procedures are covered here.
es of data, associated with these IEs.
P and FDD RF capabilities, radio access capabilities, cell update causes,etc.
rer, such as RB information to setup.
s the description of TFCs and TFCSs.
iption of CCTrCHs or compressed mode information.
re.
RAN.
higher layer protocols in the UE request a signalling connection to UTRAN. Please note, that an RRC connection
ection Setup message. The UE gets all relevant parameters regarding the signalling bearers, transport channels, and
also get all relevant parameters to serve the UE on the radio interface adequately, and to relay data between the Iub-
N specific signalling protocol NBAP to send these parameters to the Node B.
he UE via a FACH.
e to the RNC, using the transport channel DCH. Beforehand it performed a L1 Synchronization.
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ection Setup message
accepts the UE„s RRC Connection Establishment request. It starts an interaction with the Node B to establish a radio link
ver the interface Iub. This interaction is also used to inform the Node B about the radio link
parameters for uplink and downlink transmission via the interface Uu. In other words, the Node B is fully
serve as intermediate mode between the mobile phone and the RNC. The UE gets the radio link configuration
with the RRC Connection Setup message, which is transmitted in the transport channel FACH. This message is used to
nalling radio bearers between the UE and the RNC.
nnection Setup message is used to specify the (signalling) radio bearer, the transport channel and the physical channel
cs both in the UL and downlink directions. The RRC Connection Setup message is sent from the RRC layer in the RNC to
er in the UE. The UE„s RRC uses management interfaces to the configure the lower“ layers accordingly.
physical layer characteristics are modified, then the RRC layer only has to interact with the PHY layer. A
may affect scrambling and modulation. A new channelisation code may be deployed for the connection, which
ct to the higher layers. The PHY layer is for instance responsible for radio measurements, and the RNC can
surement quantities or threshold values. Again, this has no impact on the higher layers.
port channels are modified, then this has an effect both on the MAC (Medium Access Control) layer and the
he MAC layer is responsible for Transport Format selection, identification of UEs on the common and shared
iphering and de-ciphering, random access control, etc.
earer is established, or modified, then following layer instances may receive parameters: - Radio Link Control
– for each radio bearer, an RLC instance is established - , - Packet Data Convergence Protocol (PDCP) layer, -
ulticast Control BMC la er instances, - Medium Access Control MAC la er instances, and - PHY la er. With
n this message:
identity to use
se the measurement results are transmitted via the transport channel RACH. The measured quantity can be set by the
measurement result list, are ordered in accordance to the measurement results,
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1. RRC Connection Setup message: UE IEs:
1. Initial UE ID: The common transport channel FACH is used to send the RRC Connection Setup message
from the RNC to the UE. All UEs listening to the same FACH bearing S-CCPCH must be capable to detect, whether the
RRC message is for them. For UE identification, the IMSI or TMSI and LAI can be used.
RRC Transaction ID: Several RRC transactions can run in parallel. This number associates the message to
one transaction.
2. Activation Time: The transmission of transport channel frames has to be synchronised between the UE and
the S-RNC. This is also called L2 synchronisation. The Connection Frame Number (CFN) is an element of the L2
synchronisation. The network has to make sure, that the UE gets a radio frame with a specific CFN
(approximately) To = 1024 chips before is starts to send a radio frame with the same CFN. The Activation Time
indicates, when the UE can expect the transmission to start.
3. New U-RNTI and New C-RNTI: Common transport channels are shared resources, which can be used byseveral UEs. The MAC-layer will add the required addressing information U-RNTI and C-RNTI. UE, S-RNC, C-
RNC and Node B identify each other by called Radio Network Temporary Identifiers (RNTI). The S-RNC allocates
a S-RNTI to the UE to address the UE. When the UE accesses a new cell, the C-RNC allocates aC-RNTI to the
UE, with which it addresses the UE. The U-RNTI is a concatenation of the S-RNTI and the S-RNC„s RNC-ID.
The U-RNTI is unique worldwide, and is used by the S-RNC to address the UE on common radio channels,
during paging, etc.
4. RRC State Indicator: This indicator tells the UE, in which internal RRC connected sub-state is has to move to.
5. Capability Update Requirement:
nnection Setup message, we establish several signalling radio bearers for the UE, so that we won„t see the
and BMC layer relevant parameters.
tablished with this RRC message.
her words the TFCS.r to make the physical channels available.
2.RRC Connection Setup message: RB IEs:
Radio Bearer (RB) services are offered to the higher layers. Higher layers are:
-RRC layer, which uses signalling radio bearers to exchange radio link management messages between the UE and the
RNC. The RRC layer also takes NAS-signalling information to guarantee its transport in signalling radio bearers.
-NAS layers for user SDU transfer.
When the RRC Connection Setup message is sent from the RNC to the UE, then the RB IEs describe, how the Radio
Link Control layer(RLC) has to make the radio bearer service available to the RRC layer.
RLC sub-layer's tasks: For each RB, and RLC instance is established. Three different types are distinguished:
1.Transparent Mode (TrM) RLC entities In this mode, data is buffered, when it arrives in the RLC entity.
Segmentation at the transmitting RLC entity and re-assembly at the receiving RLC entity may occur, if being
configured by higher layers and the RLC SDU is larger than required by the lower layers, given the TTI. No other
service is offered.
2. Unacknowledged Mode (UM) RLC entities Data transfer, segmentation and reassembly is done like in the
TrM. But higher layer data is transmitted without guaranteeing its delivery. Sequence control and ciphering are.
3.Acknowledged Mode (AM) RLC entities A reliable bearer is offered in this mode. Its features can be seen in
the figure on the right hand side.
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Signalling radio bearers have to be set up. Three signalling radio bearers must be set up, the 4th one is optional.
This is indicated with the IE Signalling RB to Setup List. Given the number, either 3 or 4 descriptions of radio bearers
follow. They contain information, which must be made available for the RLC sub-layer.
-RB identity: Each RB has a unique identity. The identities for signalling radio bearers are ranging from 1 to 4.
The total number of RBs, the UE can establish on command of the RNC, is 32. RB0 parameters are not
transmitted,because there are fixed rules how to determine its RLC parameters.
-Choice RLC info type: a RB is described: This is the case with the IE RLC info. Or its parameters are copied
from an existing one, where only the RB identity has to be delivered to the UE.-RB mapping info Uplink, following transport channel types can be identified: DCH, RACH, and CPCH The
mapping information describes, on which Transport Channels the given RB can be mapped to. UL DCH are get
an identity (number). This number is used to describe, to which UL DCHs the RB can be mapped. Downlink,
we can identify following transport channel types: DCH, FACH, DSCH and DCH + DSCH. DSCH and DCH
receive an identity. There can be one or two logical channels per radio bearer or RLC entity. Therefore, there are
also logical channel identities.
annels. This was part of the RB setup information. The information carried on radio bearers must be
can higher layer information be segmented? This is described with the information elements for
the allowed TFs, which can be transmitted via this TrCH.This information element also describes,
PDUs from several RBs (RLC layers) can be multiplexed on one transport channel. The MAC header of a MAC PDU
DCH, then field C/T is added in the MAC header to identify the logical channel, to which
.
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3. RRC Connection Setup Complete message
The UE has received the RRC Connection Setup message and returns the RRC Connection Setup Complete message to
the S-RNC. This message is transmitted via the logical channel DCCH on the radio signalling bearer, which offers
acknowledged mode of operation (RB2). The information elements in the RRC Connection Setup Complete message can
be grouped into
-UE information elements and
-Other information elements.
The UE can return its capabilities to the S-RNC with the IE Radio Access Capability, which contains
-Transport channel capability: is distributed to the resource manager and to the admission control entity
-RF capability: the RF capability is distributed to the resource manager, the power control entity and to the handover
control entity-Physical channel entity: is distributed to resource manager
-UE multi-mode/multi-RAT capability
-Security capability
-LCS capability
-Measurement capability: is distributed to the handover control entity. Presence is mandatory if IE Multi-mode capability
has the value "FDD" or "FDD/TDD" and a FDD capability update has been requested in a previous
message. Otherwise this field is not needed in the message.
Among the optional other information elements, we find the Inter_RAT UE access capability. The RNC shall
extract the inter-system message from the UE CAPABILITY INFORMATION message and transfer it to the
annels. One of the PhyCH IEs is the carrier frequency band, where the signalling connection is
r setup. Also the available UL and DL radio resources have to be described.
hen we have a closer look to the IE Downlink information common for all radio links“, we detect
ts on neighbouring cells and at the same time receive data from the active set cells. If this is the case,
s often called Slotted Mode. In order to transmit still the user data with a given data rate, more
lls receive the UE„s signals, only one is making a transmission downlink. The UE tells the active set
his device can decide, how to set the weighting to the individual antennas. There are two different so-
dback command rate is 1 bit per timeslot. - closed loop mode 2: Phase and amplitude adjustments
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.
stopped after the UE receives RRC CONNECTION SETUP message. Once the timer times out, if RRC CONNECTION
RC CONNECTION REQUEST; otherwise it will be in the idle mode,consider the procedure to be unsuccessful. The
ual to the value of the variable INITIAL_UE_IDENTITY; and if cell re-selection or expiry of timer T300 occurs;
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io links, both in uplink and downlink.
order to detect a loss of the signal on Layer 1, as specified in TS 25.214. The synchronization state of
n of the incorrectly detected pilot bits to the total number of pilot bits in a radio frame), the thresholds
respectively. The synchronisation status is reported to the higher layer.
dedicated channel is considered established by higher layers
r ion is ful f i l led:
shall be assumed not to be fulfilled before 40 ms of DPCCH quality measurements have been
al physical channel BER is given in 3GPP TS 25.133)
ulf i l led:
efined implicitly by the relevant tests(def. 15% BER)
en received with incorrect CRC. In addition, over the previous 160 ms, all transport blocks with a CRC
TrCHs using CRC in all transport formats.
ed implicitly by the relevant tests(def.20% BER)
in the current frame with correct CRC. If no transport blocks are received, or no transport block has a
red only for TrCHs using CRC in all transport formats.
s is indicated to the RL Failure/Restored triggering function using either the CPHY-Sync-IND or
he exact criteria for indicating in-sync/out-of-sync is not subject to specification, but could e.g. be based on received
status primitives.
dicated physical channel are to be set up;
be set up and an uplink dedicated physical channel already exists.
ansitions between the different states is shown in figure above. The establishment of a radio link is
NodeB Radio Link Set States and Transistions
smittedRC transmitted
Out-of-syncstate
In-syncstate
Initialstate
RL Restore
RL Restore
RL Failure
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ion in DL is based on counter N313 (counting “out of sync” indicator) and timer T313 in UE. In CELL_DCH State, after
the UE
r can be associated with a bearer re-establishment timer (T314 and T315), which defines the time to re-establish it after a
d physical channel is to be set up in uplink and at least one dedicated physical channel is to be set up
sion of the downlink DPCCH and may start the transmission of DPDCH if any data is to be
d.
set information notified from UTRAN. Frame synchronisation can be confirmed using the frame
igher layers consider the downlink physical channel established. If an activation time has been given,
ion time has been reached. The initial uplink DPCCH transmit power is set by higher layers.
e synchronisation word. Radio link sets remain in the initial state until N_INSYNC_IND successive
dio link set has obtained synchronisation. When RL Restore has been triggered the radio link set
hen synchronisation is obtained for different radio link sets.
DPCCH/DPDCH in the uplink, and at least one corresponding dedicated physical channel shall be
ansmission starts for those radio links.The radio link establishment is as follows:
dio link set this radio link set shall be considered to be in the state the radio link set was prior to the
ain in that state.
ed at the UE will be within T0 +/- 148 chips prior to the frame timing of the uplink DPCCH/DPDCH at
hronisation can be confirmed using the frame synchronization word. Radio link sets considered to bem layer 1, when Node B shall trigger the RL Restore procedure indicating which radio link set has
te.The RL Restore procedure may be triggered several times, indicating when synchronisation is
using the frame synchronization word. Downlink synchronisation status shall be reported to higher
Downlink Direction
Uplink Direction
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ization indications from L1, it will stop the T312 timer. Once the timer times out, it means that the physical channel setup
er 1 to indicate N312 "in sync" indications
ed and reset
–
link sets have been established, they will be in the in-sync or out-of-sync states. Transitions between
HY-Out-of-Sync-IND, indicating in-sync and out-of-sync respectively. Note that only one
from the initial state to an In-sync state. L1 informs BTS L3 about the established synchronization and
IND consecutive out-of-sync indications. Node B shall stop and reset timer T_RLFAILURE upon
re procedure and indicate which radio link set is out-of-sync. When the RL Failure procedure is
rching the synchronization as long as the synchronization has been re-established or the radio link is
de B shall trigger the RL Restore procedure and indicate which radio link set has re-established
te. BTS L3 sends the NBAP:SYNCHRONIZATION INDICATION message to the RNC
DPCH is controlled based on the TPC bits transmitted by the UE. Also, the TPC bits transmitted in the
in and Qout and N_INSYNC_IND, N_OUTSYNC_IND, T_RLFAILURE are given by the RNC to the BTS
ow e ge mo e earers
pped when the Cell Update procedure has been completed.
procedure has been completed.
lly released. If additionally T315 is not running, the UE is moved to the RRC idle mode.
lly released. If additionally T314 is not running, the UE is moved to the RRC idle mode.
L UPDATE CONFIRM before the expiry of the corresponding T314 (or T315), CELL UPDATE will be
T302*N302
UPDATE CONFIRM/URA UPDATE CONFIRM. When it expires, UE should retransmit CELL
PDATE / URA UPDATE message N302, else, goes to idle mode
Successful Synchronization on UL and DL
Downlink Direction
Uplink Direction
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chronization
RNC
sage
Failed Synchronization on UL and DL
Downlink Direction
Uplink Direction
ULSynchronization failed because ofno DL synchronization
Downlink Direction
Uplink Direction
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>>See More details of 1,2,3
>>Synchronizat ion Parameters Descr ipt ion (Module II)
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Radio Bearer(RB) ProceduresThe RB control procedures are used to establish additional radio bearers, modify them, or release them.
Radio Bearer is established, modified, and released with following RRC messages:
1.Radio Bearer Setup,
2.Radio Bearer Reconfiguration, and
3.Radio Bearer Release.
If a radio bearer is setup or reconfigured, not only the RB parameters, but also the transport channel and
physical channel parameters have to be set or modified.
It is possible to modify the transport channel configuration. If this is done, the accessory RB parameters are not
affected. But a transport channel modification always has an impact on the physical channel setting. A transport
channel reconfiguration is triggered with the RRC message.
4. Transport Channel Reconfiguration
It is also possible to modify the physical channel characteristics of a radio bearer only. One example
is a channelisation code re-allocation. This is done with the RRC message
5. Physical Channel Reconfiguration.
Every RRC request, which is mentioned above, can be conducted successfully or fail.
Physical Channel Reconfiguration-on existing RBs
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RB Setup, Reconfiguration, and Release
Transport Channel Reconfiguration-on existing RBs
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Measurement proceduresThe UE measurements are grouped into 7 different categories, according to what the UE should meas
The dif ferent types of measurements are:
- Intra-frequency measurements: measurements on downlink physical channels at the same frequency as th
- Inter-frequency measurements: measurements on downlink physical channels at frequencies that differ fro
- Inter-RAT measurements: measurements on downlink physical channels belonging to another radio acces
- Traffic volume measurements: measurements on uplink traffic volume.- Quality measurements: Measurements of quality parameters, e.g. downlink transport block error rate.
- UE-internal measurements: Measurements of UE transmission power and UE received signal level.
- UE positioning measurements: Measurements of UE position.
The UE shall support a number of measurements running in parallel. The UE shall also support that each mea
Cel l s tha t the UE is mon it o r ing (e.g . f o r handover measu remen ts ) a re g rouped in the UE in to th ree d if f
1. Cells, which belong to the active set: User information is sent from all these cells. In FDD, the cells in the
2. Cells, which are not included in the active set, but are monitored according to a neighbour list assig
3. Cells detected by the UE, which are neither included in the active set nor in the monitored set belong
measurements made by UEs in CELL_DCH state.
Measurement Control and Measurement Report
UTRAN controls the measurements in the UE, either by :
-broadcasting system information on the BCCH, and/or by
-transmitting a Measurement Control message on the DCCH.
If the UE is in the RRC idle mode, it receives relevant measurement information from the BCCH. The SIB ty
control information to the UE for the serving cell. SIB 3 and SIB 11are read and valid in the RRC idle state.
If the UE is in the RRC sub-states CELL_FACH, CELL_PCH and URA_PCH, it is connected to one cell onl
type 4. The measurement control information is broadcasted with SIB type 12. SIB 4 and SIB 12 are read and
not broadcasted, then SIB 3 resp. SIB 11 parameters are used instead. In the sub-state CELL_DCH, the UE
be still valid in this state.
If the UE is in the RRC sub state CELL_DCH ,the RRC message Measurement Control can be transmitted
measurement command links a measurement with a measurement identity, quantity, objects, reporting quantit
How does a UE perform measurements after a transition in the CELL_DCH state. Two cases have to b
1. Transition from the RRC idle state to the CELL_DCH sub-state
In the RRC idle state, the UE retrieved the measurement control parameters from the SIB type 11. Information
system information, may be included in the SIB 11. If they are included, the UE can send a measurement repo
Control message including one of the above mentioned measurement types, it replaces its internal stored dat
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Measurement Control Contents
UTRAN may control a measurement in the UE either by broadcast system information and/or by trans
information:
1. Measurement identity: A reference number that should be used by the UTRAN when setting up, modifying
2. Measurement command: One out of three different measurement commands.
- Setup: Setup a new measurement.
- Modify: Modify a previously defined measurement, e.g. to change the reporting criteria.
- Release: Stop a measurement and clear all information in the UE that are related to that measurement.
3. Measurement type: One of the types listed above describing what the UE shall measure.Presence or abse
. _ _ - .
In the CELL_FACH sub-state, the SIB 12 (or SIB 11, if there is no SIB 12) is valid including all relevant measu
valid, as long as there was no Measurement Control message, which replaces the parameters. But what hap
it then transits to the CELL_FACH sub-state. In the CELL_FACH sub-state, the UE reads SIB 12 (SIB 11), an
CELL_DCH sub-state, the UE resumes with the measurements and associated reporting, as they they were st
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The purpose of the measurement reporting procedure is to transfer measurement results fro
Initiation:
In CELL_DCH state, the UE shall transmit a MEASUREMENT REPORT message on the uplink D
measurements that are being performed in the UE.
In CELL_FACH state, the UE shall transmit a MEASUREMENT REPORT message on the uplink D
traffic volume measurement that is being performed in the UE.
4. Measurement objects: The objects the UE shall measure, and corresponding object information.
5. Measurement quantity: The quantity the UE shall measure. This also includes the filtering of the measure
6. Reporting quantities: The quantities the UE shall include in the report in addition to the quantities that are
7. Measurement reporting criteria: The triggering of the measurement report, e.g. periodical or event-trigger
8. Measurement Validity: Defines in which UE states the measurement is valid.
9. Measurement reporting mode: This specifies whether the UE shall transmit the measurement report usin
10. Additional measurement identities: A list of references to other measurements. When this measuremen
referenced by the additional measurement identities.
Reception of Measurement Control by the UEThe UTRAN may request a measurement by the UE to be setup, modified or released with a MEASUREMEN
capabilities into account when a measurement is assigned to the UE.
When a new measurement is initiated, UTRAN should set the IE "Measurement identity" to a value, which is n
of setting several "Measurement identity" within a same "Measurement type", "Measurement object" can be se
When a current measurement is modified or released, UTRAN should set the IE "Measurement identity" to the
identity", it is not needed for UTRAN to indicate the IEs other than modifying IEs, and the UE continues to use
Upon reception of a MEASUREMENT CONTROL message the UE shall perform following actions :
The UE shall:
- read the IE "Measurement command";
if the IE "measurement command" has the value "setup":- store this measurement in the variable MEASUREMENT_IDENTITY according to the IE "measurement identi
- for measurement types "inter-RAT measurement" or "inter-frequency measurement":
-->if, according to its measurement capabilities, the UE requires compressed mode to perform the measurem
simultaneously activated by the IE "DPCH compressed mode status info"; or
-->if, according to its measurement capabilities, the UE does not require compressed mode to perform the me
identity;
- for any other measurement type: begin measurements according to the stored control information for this me
if the IE "Measurement command" has the value "modify":
- for all measurement control present in the MEASUREMENT CONTROL message:
--> replace the corresponding information stored in variable MEASUREMENT_IDENTITY associated to the ide
--> resume the measurements according to the new stored measurement control information.
if the IE "measurement command" has the value "release":
- terminate the measurement associated with the identity given in the IE "measurement identity";
- clear all stored measurement control information related associated to this measurement identity in variableif the IE "DPCH Compressed Mode Status Info" is present, the UE shall:
- if pattern sequence corresponding to IE "TGPSI" is already active (according to "TGPS Status Flag"): deactiv
received in the message;
- after the time indicated by IE "TGPS reconfiguration CFN" has elapsed:
-->activate the pattern sequence stored in the variable TGPS_IDENTITY corresponding to each IE "TGPSI" fo
-->begin the inter-frequency and/or inter-RAT measurements corresponding to the pattern sequence measure
-->if the values of IE "TGPS reconfiguration CFN" and IE "TGCFN" are equal:start the concerned pattern sequ
- not alter pattern sequences stored in variable TGPS_IDENTITY, but not identitifed in IE "TGPSI"
- clear the entry for the MEASUREMENT CONTROL message in the table "Accepted transactions" in the varia
- And the procedure ends.
Measurement Report Procedures
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In CELL_PCH or URA_PCH state, the UE shall first perform the cell update procedure, using the c
MEASUREMENT REPORT message on the uplink DCCH when the reporting criteria stored in varia
performed in the UE.
The reporting criteria are fulfilled if either:
- the first measurement has been completed for a newly initiated measurement with periodic reporti
- the time period indicated in the stored IE "Periodical reporting" has elapsed since the last measure
- an event in stored IE "Measurement reporting criteria" was triggered. Events and triggering of repo
For the measurement, which triggered the MEASUREMENT REPORT message, the UE shall:
- set the IE "measurement identity" to the measurement identity, which is associated with that meas
- set the IE "measured results" to include measurements according to the IE "reporting quantity" of t
--> if all the reporting quantities are set to "false": not set the IE "measured results";
- set the IE "Measured results" in the IE "Additional measured results" according to the IE "reporting
"additional measurements" stored in variable MEASUREMENT_IDENTITY of the measurement that
--> if more than one additional measured results are to be included:sort them in ascending order ac
- if the MEASUREMENT REPORT message was triggered by an event (i.e. not a periodical report):
The UE shall:
- transmit the MEASUREMENT REPORT message on the uplink DCCH using either AM or UM RL
that triggered the report.
When the MEASUREMENT REPORT message has been submitted to lower layers for transmi-The procedure ends.
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re. (TS 25.331-360)
e active set.
m the frequency of the active set.
technology than UTRAN, e.g. PDC or GSM.
surement is controlled and reported independently of every other measurement.
rent categor ies:
active set are involved in soft handover.
ed by the UTRAN belong to the monitored set.
to the detected set. Reporting of measurements of the detected set is only required for intra-frequency
e 3 contains parameters for cell selection and re-selection. In parallel, the SIB type 11 is used to deliver measurement
and responsible for cell selection and re-selection. It retrieves the parameters for cell selection from SIB
valid, when the UE is in the CELL_FACH, CELL_PCH and URA_PCH sub-state. If SIB 4 resp. SIB 12 is
is not reading the SIB type 3/4 and 11/12. The parameters of SIB 12 (SIB 11, if SIB is not available) can
to the UE. This message informs the UE about the type of measurement, which has to be conducted. Each
ies, reporting criteria, type, etc.
distinguished:
Elements, which contain intra-frequency, inter-frequency, inter-RAT and traffic volume measurement
rt, when a measurement reporting criteria is fulfilled. As soon as the UE receives a Measurement
a based on the SIB11 by the parameters delivered with the Measurement Control message.
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There is a set of different types of measurements, which can be conducted:
-Intra-Frequency Measurements
-Inter-Frequency Measurements
-Inter-RAT Measurements
-UE-Internal Measurements
-Traffic Volume Measurements
-Quality Measurements
-UE Positioning Methods
As a consequence, a UE may be forced to conduct several different types of measurements
simultaneously. Each type of measurement is identified by an allocated „Measurement Identity“.
Some measurements are not conducted continuously.
UTRAN tells the UE once, how to perform a type of measurements. Whenever necessary, it just
informs the UE to conduct the measurements of a measurement type by just telling it
the associated measurement identity.
In the RRC message Measurement Control, the is an PhyCH information elements, where
the UE can gain DPCH compressed mode status information
itting a MEASUREMENT CONTROL message. The latter message includes the following measurement control
or releasing the measurement and by the UE in the measurement report.
nce of the following control information depends on the measurement type
The Measurement Control is used to setup, to modify, and to release a measurement in the UE.
The UE gets all relevant information, how to perform a specific type of measurements. A measurement is either
conducted periodically or driven by an event. Then, the UE returns a measurement report. The MeasurementControl message is transmitted on a DCCH via an RLC entity in the acknowledged mode. I.e. the UE is either in
the RRC connected sub-state CELL_DCH or CELL_FACH. If the setup of a measurement fails, the UE returns
the RRC message Measurement Control Failure. It is transmitted on an UL DCCH via an RLC entity in the acknowledged
mode.
The RRC message Measurement Report was specified to deliver measurement results from the UE to UTRAN
(RNC). This message is transmitted on a DCCH. The RLC entity can be in the acknowledged or unacknowledged
mode. The RLC entity mode is set by the RRC message Measurement Control. Measurement results can be only
transmitted in the CELL_DCH or CELL_FACH sub-state.
- CELL_DCH: If a reporting criterion is met, the UE transmits a Measurement Report. A measurement identity
identifies the measurement as specified by UTRAN. It includes measurement quantities and identifies the
measurement event.-CELL_FACH: In this sub-state, traffic volume measurements and positioning measurements are reported by the
UE. Intra-frequency measurements are reported via the RACH, whereby the UE learns from the BCCH (SIB11 or
SIB12) the maximum numbers of cells, it can report.
-CELL_PCH or URA_PCH: UE must perform a cell update. Cell update cause is uplink data transmission“. Then
they are in the CELL_FACH state, where the Measurement Report can be sent. The measurement report either
holds traffic volume measurements or positioning measurements.
rement control parameters. If the UE transits to the CELL_DCH sub-state, the system information stays
ens, if the UE was in the CELL_DCH sub-state, it has received Measurement Control messages, and
its measurement control parameters become valid. But when the UE then transits back to the
ored before the transition to the CELL_FACH (or any other RRC connected) sub-state.
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the UE to UTRAN.
CH when the reporting criteria stored in variable MEASUREMENT_IDENTITY are met for any ongoing
CCH when the reporting criteria stored in variable MEASUREMENT_IDENTITY are met for any ongoing
ents.
mandatory to report for the specific event.
ed reporting.
AM or UM RLC.
t triggers a measurement report, the UE shall also include the reporting quantities for the measurements
CONTROL message, which is transmitted on the downlink DCCH using AM RLC.The UTRAN should take the UE
ot used for other measurements. UTRAN may use several "Measurement identity" for the same "Measurement type". In case
t differently for each measurement with different "Measurement identity ".
value, which is used for the measurement being modified or released. In case of modifying IEs within a "Measurement
the current values of the IEs that are not modified.
ity";
nts and a compressed mode pattern sequence with an appropriate measurement purpose is
asurements: begin measurements according to the stored control information for this measurement
asurement identity.
ntity indicated by the IE "measurement identity";
EASUREMENT_IDENTITY.
ate this pattern sequence at the beginning of the frame indicated by IE "TGPS reconfiguration CFN"
r which the "TGPS status flag" is set to "active" at the time indicated by IE "TGCFN"; and
ment purpose of each activated pattern sequence;
ence immediately at that CFN;
ble TRANSACTIONS;
Out-of-syncstateIn-syncstate InitialstateRL Restore RL RestoreRL Failure
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use "uplink data transmission", in order to transit to CELL_FACH state and then transmit a
ble MEASUREMENT_IDENTITY are fulfilled for any ongoing traffic volume measurement which is being
g; or
ment report was transmitted for a given measurement; or
rts for different measurement types
rement in variable MEASUREMENT_IDENTITY;
at measurement stored in variable MEASUREMENT_IDENTITY; and
quantity" for all measurements associated with the measurement identities included in the IE
triggered the measurement report; and
ording to their IE "measurement identity" in the MEASUREMENT REPORT message;
et the IE "Event results" according to the event that triggered the report.
according to the stored IE "measurement reporting mode" associated with the measurement identity
ssion:
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nc
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Click to return t
"Or"
Paging Message Type 1
Click to return to main page
Paging
In UTRAN, we distinguish two different types of paging, depending on the existence of a RL connection
Paging Type 1 -The RRC message Paging Type 1 is used, when a paging message has to be transmitted to a
CELL_PCH or URA_PCH. There are several reasons, why this paging message type is initiated.
-Upper layers request the setup of an RRC signalling connection. This may be the cause, when a paging messa
Cause to the the paging message. Higher layers may also initiate paging, when user data has to be transmitted
UEs in the CELL_PCH and URA_PCH sub-states to establish a connection before forwarding the user data.
-UTRAN wants to trigger a cell update for UEs in the CELL_PCH or URA_PCH sub-state.
-UTRAN wants to notify UEs in the RRC idle mode and in the RRC connected mode CELL_PCH and URA_PCH
The UE monitors the paging channels (S-CCPCHs carrying PCCH) on all paging occasions. If the UE receives
message. If so, it returns a paging response. The UTRAN may repeat the transmission of a PAGING TYPE 1 m
occasion on the to increase the probability of proper reception of a page
Paging Type 2- This RRC message is used, when the UE is in the CELL_DCH or CELL_FACH state, i.e., whe
One example: The user is serving in the Internet, and due to the high download, the RNC has allocated one DD
SGSN exists, and between the two network elements, dedicated transmission resources are available for the us
message to all RNCs, which participate in the LA where the UE is registered. This paging message is received
paging request to the UE. Therefore, Paging Type 2 is often called dedicated paging.
Paging includ
The CN origin
and non co-or
perform the UT
-Co-ordinatiobesides the pa
message shall
URA_PCH stat
shall be trans
-Non-co-ordin
besides the pa
specified pagin
The UTRAN o
a cell update p
a UE to trigger
For a UE in idl
a PAGING TYpaging proced
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o main page
>>Pag ing Proce
between UE and UTRAN.
UE, which is either in the RRC idle mode, or in the RRC connected mode sub-states
ge from the CN has to be forwarded to the UE. . In this case, the UE adds the IE Paging
on an existing ps connection (PMM-IDLE or PMM-CONNECTED). UTRAN has to page the
about system information changes.
paging message, it reads the UE identity to check, whether it is the receiver of the
essage to a UE on several paging occasions message on an appropriate paging
n at least dedicated control channel resources were allocated to the UE.
CH and one DCCH to the user. Consequently, a connection between the UE and the 3G-
er. While the subscriber is serving, he receives a call. The 3G-MSC is sending a paging
y a RNC, which is currently serving the UE. It then uses the existing DCCH to forward the
es CN orignated paging and UTRAN originated paging
ated paging precedure: is used to establish a signaling connection. It is divided into co-ordination paging
ination paging. The CN indicates in the RANAP paging message whether the RNC shall
RAN co-ordination paging
paging, the RNC shall check whether the UE has other CN domain signaling connectionsging domain connection. If so and the UE is in Cell_DCH or Cell_FACH state, the paging
be transmitted on the already connected DCCH on the radio interface. if so and the UE is in Cell_PCH or
e,the paging message shall be transmitted on the PCCH on the radio interface. If no, the paging message
itted on the PCCH.
ating paging, the RNC need not check whether the UE has other CN domain signaling connections
ging domain connection but directly transmit the paging message on the PCCH in the CN
g area.
ignated paing : The UTRAN may initiate paging for a UE in Cell_PCH or URA_PCH state to trgiger
rocedure to enable the transition to Cell_FACH state. In additon,the UTRAN may initiate paging for
reading of updated system information.
mode or in CELL_PCH or URA_PCH state, the RNC initiates the paging procedure by transmitting
E 1 message on the PCCH. For a UE in CELL_FACH or CELL_DCH state, the RNC initiates there by transmitting a PAGING TYPE 2 message on the DCCH
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ure and Parameters Descript ion (Module II)
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1
2
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2.
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System Schedul ing Block 2 (SB2)
System Information Block 2 (SIB2)
System Information Block 3 (SIB3)
System Information Block (SIB)
System Information (3GPP-25.331)
Master Information Block (MIB)
System Scheduling Block 1 (SB1)
System Information Block 1 (SIB1)
System Information Block 5 (SIB5)
Scheduling Block (SB)
System Information Block 7 (SIB7)
, , ,
SIBs 1, 3, 5, 6, 7, 11 are support. The optional SIBs-2,4,12 and 18 can be added
by cell parameter "SIB switch". Below show example of MML commaned,
CELLSIBSWITCH:CELLID=X, SIBCFGBITMAP=SIB2-1&SIB4-1&SIB12-
1&SIB18-1;
(The SIB switch is only valid for SIB2,SIB4,SIB12 and SIB18)
System Information Structure
System Information Block 11 (SIB11)
The system information is organised as a tree. A Master
Information Block(MIB) gives references and scheduling information to
a number of system information blocks in a cell. The System
Information Blocks (SIBs) contain the actual system information. The
master information block may optionally also contain reference and
scheduling information to one or two scheduling blocks(SBs), which give
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1. For a SIB containing dynamic parameters (SIB7, SIB8, SIB9, SIB14, and
SIB17), the scheduling occasion information is described in the scheduling
information included in MIB or SB. The UE regularly reads the SIB on each
occasion based on Timer
2. For a SIB containing static parameters (SIB1–SIB6, SIB10–SIB13, SIB15,
SIB16, and SIB18) is identified by a value tag. A value tag is included in MIB or
SB as a part of the scheduling information. The UE checks whether the value tag
for a SIB is different from that for the SIB the UE last reads.If so, the UE shall re-
read the SIB. Therefore, the UE can know by monitoring the MIB whether a SIB
containing static parameters is updated
System Information Monitor Mechanism
System Information Broadcast
UTRAN sends a SYSTEM INFORMATION message to UE . The message
contain the scheduling information, area scope, system information content and
so on.
The RRC layer in UTRAN performs segmentation and concatenation of encoded
system information blocks. If the encoded system information blocks is larger
than the size of a SYSTEM INFORMATION message,it will be segmented and transmitted in several messages.
If the encoded system information blocks is smaller than the size of a SYSTEM
INFORMATION message, UTRAN may concatenate several system information
blocks, or the first segment or the last segment into the same message
The UE shall read SYSTEM INFORMATION messages broadcast on a
BCH transport channel in idle mode and in the connected mode in states
CELL_FACH, CELL_PCH, URA_PCH and CELL_DCH (TDD only).
In addition, UEs which support simultaneous reception of one SCCPCH and one
DPCH shall read system information on a FACH transport channel when in
CELL_DCH state .
In Idle mode and connected mode different combinations of SIBs are valid. The
UE may store SIBs for different cells and different PLMNs for
later use when the UE returns to these cells or PLMNs
System Information Update
references and scheduling information for additional system information
blocks. Scheduling information for a system information block may only
be included in either the master information block or one of the
scheduling blocks.
System Information ( )
UENode B
UTRAN
RNCNBAP: BCCH
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Each step is explained as follows:
1) The RNC sends a NBAP: SYSTEM INFORMATION UPDATE REQUESTmessage to the associated NodeB, requesting for system information broadcst.
2) The NodeB returns a NBAP:SYSTEM INFORMATION UPDATE RESPONSE
message to the RNC,confirming the system information broadcast
3) 4) 5) The NodeB sends SYSTEM INFORMATION messages on the air
interface
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System information block Area scope
Master information block Cell
Scheduling block 1
Scheduling block 2
System information block type 1 PLMN
System information block type 2 Cell
System information block type 3 Cell
System information block type 4 Cell
System information block type 5 Cell
System information block type 6 Cell
System information block type 7 Cell
System information block type 8 Cell
System information block type 9 Cell
System information block type 10 Cell
System information block type 11 Cell
System information block type 12 Cell
System information block type 13 Cell
System information block type 13.1 Cell
System information block type 13.2 Cell
System information block type 13.3 Cell
System information block type 13.4 Cell
System information block type 14 Cell
System information block type 15 Cell
System information block type 15.1 Cell
System information block type 15.2 Cell
System information block type 15.3 PLMN
System information block type 15.4 Cell
System information block type 16 PLMN
System information block type 17 Cell
Cell
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System Information Block type 18 Cell
Additonal Information
There is a huge amount of SIBs, which have to be
references and scheduling information about the
For most of the SIBs used within the system, the
corresponding system information has not been meach occurrence (based on Timer). Scheduling in
There are two ways of notifying a UE of syste
1) Notification by a Value Tag
For SIBs using value tags, UTRAN should notify t
- To notify a UE in idle mode, CELL_PCH state
transmit the new MIB value tag.
- To notify a UE in CELL_FACH state, UTRAN s
Upon reception of the PAGING TYPE 1 messag
according to the new MIB value tag.
2) Notification by a Timer
Other types of SIBs have timers respectively. Wh
new SIB information. Notification by a Timer consi
postpone reading the SIB until the content is need
Please note, that UEs in the CELL_DCH sub-st
Actions upon reception of the Master Informati
When selecting a new cell, the UE shall read the
block in the cell.
Action upon reception of the master informati
1. if the "PLMN type" in the variable SELECTED_
- check the IE "PLMN identity" in the master infor
- if the "PLMN type" in the variable SELECTED_P
- store the ANSI-41 Information
2.compare the value tag in the master information
3.if the value tags differ , or if no IEs for the master
and store scheduling information included in the
4. if the value tags are the same the UE may use
valid system information.
System Information Modificatio
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For all system information blocks or schedulin
shall perform the following actions:
1.for all system information blocks with area s
->compare the value tag read in scheduling infor
information block;
- if the value tags differ , or if no IEs for the corre
information block into the variable VALUE_TAG; r- if the value tags are the same ,the UE may use
2 for all system information blocks or scheduli
-> compare the value tag read in scheduling infor
that system information block or scheduling block;
- if the value tags differ, or if no IEs for the corre
that system information block or scheduling block
- if the value tags are the same, the UE may use
information.
For system information blocks, not supported by
- skip reading this system information block;
- skip monitoring changes to this system informati
Actions upon reception of system information
The UE may use the scheduling information inclu
acquired.
The UE should only expect one occurrence of the
However, to enable future introduction of new syst
within the scheduling information. The UE may ign
If the UE
- receives a system information block in a position
- this system information block uses a value tag a
the UE shall:
- store the content of the system information block
- consider the content of the system information bl
most for 6 hours after reception.If the UE
- receives a system information block in a position
- this system information block does not use a val
the UE shall:
- store the content of the system information block
- start an expiration timer for that system informat
- consider the content of the system information bl
If the UE
- receives a system information block at a position
- receives a system information block for which sc
- this system information block uses a value tag a
the UE may:
- store the content of the system information block- consider the content of the system information bl
information or at most for 6 hours after reception.
If the UE does not find a scheduling block in a
at that position, the UE shall read the scheduling i
If the UE does not find the master information
the UE shall,
- consider the master information block as not fou
- consider the cell to be barred according to [4] an
"
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Main Functions
The MIB informs the UE about the supported PLMN types and the PLMN identity. The UE finds in the MIB also references to up to maxSIB
(=32) SIBs, including their scheduling information and type. A MIB is valid in one cell. If a UE changes the cell, is must read the new cell„s
MIB. A change of the MIB information is indicated by a value tag.
This SIB is used to inform the UE about NAS system information. The NAS system information characterises the NAS domains. SIB 1 also
delivers UE timers and counters, which have to be used by the UE in the RRC idle and RRC connected mode
includes URA information.
includes relevant parameters for cell selection and re-selection. It also holds the cell identity and cell restriction data, such as cell barred“ IEs.
SIB 3 valid in the RRC connected , if SIB 4 is not broadcasted.
This SIB holds mostly the same data fields as SIB 3, but i t is read and valid only, when the UE is in the RRC connected mode
includes the configuration of physical channels. The parameters cover the PICH power offset, the AICH power offset, P-CCPCH, S-CCPCH
and PRACH system information lists. It is read and valid in the RRC connected mode , if SIB 6 is not available.
This SIB holds mostly the same data fields as SIB 5, but i t is read and valid only, when the UE is in the RRC connected mode
includes rapidly changed parameters (UL interference and dynamic persistence level. This SIB holds fast changing parameters. Therefore novalue tag is used for it. The UE has to read its parameters periodically
includes static CPCH information of cell. Only in used FDD
includes CPCH information of cell. Only used in FDD
includes UE DCH information controlled by DRAC process. Only used in FDD
includes measurement control information of cell. The UE gets here the relevant date for traffic measurement, intra-frequency measurements,
etc. It is also valid in the RRC sub-state CELL_DCH, as long as the UE did not get a Measurement Control message from UTRAN and SIB 12
is not broadcasted
This SIB holds mostly the same data fields as SIB 11, but it is read and valid only, when the UE is in the RRC connected mode
includes UL outer loop control parameters of common and dedicated physical channels. Only used in TDD
includes parameters of radio bearer, transport channel and physical channel. These parameters are stored in UE (either in idle mode or
connected mode). It used when UE is switched to UTRAN. RB, The parameters are used during a handover to UTRAN. Consequently, these
parameters stay valid, when the UE is connected to GSM and GPRS.
includes the rapid changed parameters used to configure the shared physical channel in connected mode. Only used in TDD.
The master information block may optionally also contain reference and scheduling information to one or two scheduling blocks (SBs), which
give references and scheduling information for additional system information blocks. (The SBs are applied when the scheduling resources of
MIB are insufficient) Scheduling information for a system information block may only be included in either the master information block or oneof the scheduling blocks
includes ANSI-41 relevant information
includes information on UE-based or UE-assisted positioning method
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includes PLMN identity of neighbor cell
read by the UE. This requires a lot of battery power. Therefore, a Master Information Block (MIB) was introduced, which gives
IBs. The MIB is transmitted in every 8th radio frame on the P-CCPCH (on position SFN mod 8 = 0, and with a TTI of 20 ms).
IB may carry a value tag. The only exceptions are SIB 15.2, SIB 15.3 and SIB 16. If a value tag is unchanged, the
odified. Thus, there is no need for the UE to read the SIB. For the SIBs which have no value tag e.g. SIB7, It changes withormation is used to inform the UE, where and when a specific system information is transmitted.
information modification: by a value tag and by a timer
e new value tag for the MIB to the UE.
r URA_PCH state, UTRAN send a PAGING TYPE 1 message on the PCCH on all paging occasions in the cell to
ends a SYSTEM INFORMATION CHANGE INDICATION message on the BCCH to transmit the new MIB value tag.
e or SYSTEM INFORMATCHANGE INDICATION message from UTRAN, the UE shall read the changed information
n the timer expires, the UE shall consider the stored system information content invalid,start the timer, and re-acquire
der the stored system information content invalid, start the timer, and re-acquire new SIB information. The UE may
ed
ate are addressed directly by the RNC via the Measurement Control message
on Block and Scheduling Block(s):
aster information block. The UE may use the pre-defined scheduling information to locate the master information
n block, the UE shall:
LMN has the value "GSM-MAP" and the IE "PLMN Type" has the value "GSM-MAP" or "GSM-MAP and ANSI-41",:
ation block and verify that it is the selected PLMN, stored as "PLMN identity" in the variable SELECTED_PLMN.
LMN has the value "ANSI-41 "and the IE "PLMN Type" has the value "ANSI-41" or "GSM-MAP and ANSI-41",:
block with the value tag stored for this cell and this PLMN in the variable VALUE_TAG.
information block are stored: store the value tag into the variable VALUE_TAG for the master information block; read
aster information block;
stored system information blocks and scheduling blocks using value tag that were stored in this cell and this PLMN as
Notification
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g blocks that are supported by the UE referenced in the master information block or the scheduling blocks, the UE
ope PLMN that use value tags:
ation for that system information block with the value stored within the variable VALUE_TAG for that system
sponding system information block are stored,:store the value tag read in scheduling information for that system
ead and store the IEs of that system information block.stored system information blocks using value tag that were stored in this PLMN as valid system information.
ng blocks with area scope cell that use value tags:
ation for that system information block or scheduling block with the value stored within the variable VALUE_TAG for
sponding system information block or scheduling block are stored,store the value tag read in scheduling information for
into the variable VALUE_TAG; read and store the IEs of that system information block or scheduling block;
stored system information blocks using value tags that were stored in this cell and this PLMN as valid system
the UE, but referenced either in the master information block or in the scheduling blocks, the UE may
on block
blocks:
ed within the master information block and the scheduling blocks to locate each system information block to be
scheduling information for a system information block in the master information block and any of the scheduling blocks.
em information blocks, the UE shall also be able to receive system information blocks other than the ones indicated
ore contents of such system information block.
according to the scheduling information for the system information block; and
cording to the system information block type
together with the value of its value tag in the scheduling information for the system information block; and
lock valid until, if used, the value tag in the scheduling information for the system information block is changed or at
according to the scheduling information for the system information block; and
e tag according to the system information block type
; and
ion block type; and
lock valid until, the expiration timer expires.
different from its position according to the scheduling information for the system information block; or
heduling information has not been received; and
cording to the system information block type
with a value tag set to the value NULL; and lock as valid until it receives the same type of system information block in a position according to its scheduling
position where it should be according to its scheduling information, but a transport block with correct CRC was found
nformation for this scheduling block.
block in a position fulfilling (SFN mod (MIB_REP*4) = 0),(but a transport block with correct CRC was found at that position),
nd.
d
" " " " "
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UE mode/state when block is valid UE mode/state when block is read
Idle mode,CELL_FACH,CELL_PCH, URA_PCH Idle mode,CELL_FACH,CELL_PCH, URA_PCH
Idle mode,CELL_FACH,CELL_PCH, URA_PCH Idle mode,CELL_FACH,CELL_PCH, URA_PCH
Idle mode,CELL_FACH,CELL_PCH, URA_PCH Idle mode,CELL_FACH,CELL_PCH, URA_PCH
Idle mode,CELL_FACH,CELL_PCH,
URA_PCH,CELL_DCHIdle
URA_PCH URA_PCH
Idle mode, (CELL_FACH, CELL_PCH, URA_PCH) Idle mode, (CELL_FACH, CELL_PCH, URA_PCH)
CELL_FACH, CELL_PCH, URA_PCH CELL_FACH, CELL_PCH, URA_PCH
Idle mode, (CELL_FACH, CELL_PCH, URA_PCH,
CELL_DCH (TDD only))
Idle mode, (CELL_FACH, CELL_PCH, URA_PCH,
CELL_DCH (TDD only))
CELL_FACH, CELL_PCH, URA_PCH, CELL_DCH
(TDD only)
CELL_FACH, CELL_PCH, URA_PCH, CELL_DCH
(TDD only)
Idle mode, CELL_FACH, CELL_PCH, URA_PCH,CELL_DCH (TDD only) Idle mode, CELL_FACH, CELL_PCH, URA_PCH,CELL_DCH (TDD only)
CELL_FACH, CELL_PCH, URA_PCH CELL_FACH, CELL_PCH, URA_PCH
CELL_FACH, CELL_PCH, URA_PCH CELL_FACH, CELL_PCH, URA_PCH
CELL_DCH CELL_DCH
Idle mode (CELL_FACH, CELL_PCH, URA_PCH,
CELL_DCH)Idle mode (CELL_FACH, CELL_PCH, URA_PCH)
CELL_FACH, CELL_PCH, URA_PCH, CELL_DCH CELL_FACH, CELL_PCH, URA_PCH
Idle Mode, CELL_FACH, CELL_PCH, URA_PCH Idle Mode, CELL_FACH, CELL_PCH, URA_PCH
Idle Mode, CELL_FACH, CELL_PCH, URA_PCH Idle Mode, CELL_FACH, CELL_PCH, URA_PCH
Idle Mode, CELL_FACH, CELL_PCH, URA_PCH Idle Mode, CELL_FACH, CELL_PCH, URA_PCH
Idle Mode, CELL_FACH, CELL_PCH, URA_PCH Idle Mode, CELL_FACH, CELL_PCH, URA_PCH
Idle Mode, CELL_FACH, CELL_PCH, URA_PCH Idle Mode, CELL_FACH, CELL_PCH, URA_PCH
Idle Mode, CELL_FACH, CELL_PCH, URA_PCH,
CELL_DCH
Idle Mode, CELL_FACH, CELL_PCH, URA_PCH,
CELL_DCH
Idle Mode, CELL_FACH, CELL_PCH, URA_PCH Idle Mode, CELL_FACH, CELL_PCH, URA_PCH
Idle Mode, CELL_FACH, CELL_PCH, URA_PCH Idle Mode, CELL_FACH, CELL_PCH, URA_PCH
Idle Mode, CELL_FACH, CELL_PCH, URA_PCH Idle Mode, CELL_FACH, CELL_PCH, URA_PCH
Idle Mode, CELL_FACH, CELL_PCH, URA_PCH Idle Mode, CELL_FACH, CELL_PCH, URA_PCH
Idle Mode, CELL_FACH, CELL_PCH, URA_PCH Idle Mode, CELL_FACH, CELL_PCH, URA_PCH
Idle Mode, CELL_FACH, CELL_PCH, URA_PCH Idle Mode, CELL_FACH, CELL_PCH, URA_PCH
CELL_FACH, CELL_PCH, URA_PCH, CELL_DCH CELL_FACH, CELL_PCH, URA_PCH, CELL_DCH
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Idle mode, CELL_FACH, CELL_PCH, URA_PCH,
CELL_DCHIdle mode, CELL_FACH, CELL_PCH, URA_PCH
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Scheduling informationModification of system
information
SIB_POS = 0,SIB_REP = 8 (FDD),SIB_REP = 8, 16, 32
(TDD),SIB_OFF=2Value tag
Specified by the IE "Scheduling information" in MIB Value tag
Specified by the IE "Scheduling information" in MIB Value tag
Specified by the IE "Scheduling information" Value tag
Specified by the IE "Scheduling information" Value tag
Specified by the IE "Scheduling information" Value tag
Specified by the IE "Scheduling information" Value tag
Specified by the IE "Scheduling information" Value tag
Specified by the IE "Scheduling information" Value tag
Specified by the IE "Scheduling information"
ms],SIB_REP *
Specified by the IE "Scheduling information" Value tag
Specified by the IE "Scheduling information" Expiration timer = SIB_REP
Specified by the IE "Scheduling information" Expiration timer = SIB_REP
Specified by the IE "Scheduling information" Value tag
Specified by the IE "Scheduling information" Value tag
Specified by the IE "Scheduling information" Value tag
Specified by the IE "Scheduling information" Value tag
Specified by the IE "Scheduling information" Value tag
Specified by the IE "Scheduling information" Value tag
Specified by the IE "Scheduling information" Value tag
Specified by the IE "Scheduling information"
xp ra on mer =
ms], SIB_REP *
Ex irationTimeFactor
Specified by the IE "Scheduling information" Value tag
Specified by the IE "Scheduling information" Value tag
Specified by the IE "Scheduling information" Value tag
Specified by the IE "Scheduling information" Value tag
Specified by the IE "Scheduling information" Value tag
Specified by the IE "Scheduling information" Value tag
Specified by the IE "Scheduling information" Expiration timer = SIB_REP
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Specified by the IE "Scheduling information" Value tag
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Additional comment
If System information block type 4 is not broadcast in a cell, the
connected mode UE shall read System information block type 3
If system information block type 6 is not broadcast in a cell, the
connected mode UE shall read System information block type 5.
In TDD mode system information block type 7 shall only be read inCELL_DCH if shared transport channels are assigned to the UE.
If some of the optional IEs are not included in System information block
type 12, the UE shall read the corresponding IEs in System information
block type 11.
This system information block is used in TDD mode only.
For this system information block there may be multiple occurrences
For this system information block there may be multiple occurrences
For this system information block there may be multiple occurrences
This system information block is used in TDD mode only.
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Master Information Block (MIB)
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System Scheduling Block 1 (SB1)
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System Information Block 1 (SIB1)
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System Information Block 2 (SIB 2)
System Information Block 3 (SIB 3)
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System Information Block 5 (SIB 5)
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System Information Block 7 (SIB 7)
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System Information Block 11(SIB 11)
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value=hex 2dec(5)=5 , hex2dec(2)=2 ,hex2dec (0)=0 --> MCC=520
value=hex 2dec(0)=0 , h ex2dec(1)=1 --> MNC=01
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>>Paging Procedure and Parameters Descr ipt ion (Module II)
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value=3000ms
value=3
value=40ms
value=40ms
value=0
value=250ms
value=6s
value=50
value=20s
value=30s
value=inf in i ty
value=2000ms
value=3
value=6s
value=1
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value=hex2dec(0065)=101
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Cell Identity =RNCid(12bits)+Cellid(16bits) value= 000000001011 0111011110010010 => RNCid=bin2dec(000000001011)=11 an d Cellid=bin2dec(0111011
value=2dB(step of 2 dB )
>>>Cel l Select ion and Reselect ion Algor i thm and parameters descr ipt ion (Module II)
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value=10dB(step of 2 d B)
value=8dB(step of 2 dB )
value=4dB(step of 2 dB )
value=-18dBm
value= ((-58*2)+1)= –115 dBm e.g. –57 means –113 dBm; …; –13 means -25 dBm
value=4dB(step of 2 dB )
value=1s(step of 1s)
value=24dBm
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value=-7dB (relat ive to the PCPICH)
value=-6dB (relat ive to the PCPICH)
>>>Cel l Acc ess Restr ic t ion parameters descr ipt ion (Module II)
>>>Cel l Channel Po wer Conf igurat ion Parameters (Module II)
>>>Access Precedures and parameters descr ipt ion (Module II)
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value=33dBm
value=-20dBm
value=2dB(step of 1 dB )
value=20attempts
value=8attempts
value=
>>>Open Loo p Pow er Control Algor i thm and parameters descr ipt ion (Module II)
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value=-105dBm
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Value= InterFreqMeasurem ent is unav ailable
Value= IntraFreqMeasu remen t is based o n CPICH Ec/No
>>> IntrafreqMeasurem ent descripti on (Module II)
>>>see "Parameters descr ipt io n"
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value=hex2dec(3b)=59 (Serv ing Cel l 's Pr imary Scrambl ing Code)
value=hex2dec(43)=67(Neighbo ur Cel l 's Pr imary Scrambl ing Code)
Value= InterRATMeasurem ent
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value=0dB
value= ((-50*2)+1)= –99 dBm e.g. –57 means –113 dBm; …; –13 means -25 dBm
value=BSIC=32
value=GSM1800
value=BCCH=516
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110010010)=30610
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2.NBAP:Radio Link Setup Req
3.NBAP:Radio Link Setup Resp.
4.NBAP:Radio Link Setup Req
RRC Connection Establishment Timing
NBAP:Synchonization Indicator
1.RRC: Initial Direct Transfer (MM: Location Update Request)
5.RRC: Uplink Direct Transfer
Start Tx
6.RRC: RRC Connection Setup (FACH)
L1 Synch onization
1.RRC: RRC Connection Release
L3 Messages - Location Upd
UE NodeB S-R
1.RRC: RRC Connection Request (RACH)
Start Rx
5.ALCAP: Iub User Plane Setup
4.RRC: Downlink Direct Transfer (MM: Location Update Accept)
7.RRC: RRC Connection Setup Completed (DCH)
2.RRC: RRC Connection Release Complete
Optional : Authentication and Securitty Mode Control may exist depends on
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3.NBAP: Radio Link Deletion
Request
. : a o n e et on
Response
2.RRC: RRC Connection Release Complete
ALCAP: Iub User Plane Release
Note the fo l lowing in format ion about th e procedure :
1.The RRC connection can be set up on a DCH or a CCH. This procedure takes the RRC connection set
up on the DCH as an example.
2 If IP transport is applied to the Iub interface, no ALCAP procedure is performed on the Iub interface afterradio links are set up or deleted.
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2.RANAP: Initial UE Message (MM: Location Update Request)
3.RANAP: Direct Transfer (MM: Location Update Accept)
6.RANAP: Direct Transfer
1.RANAP: Iu Release Command
2..RANAP: Iu Release Complete
ate Procedure
C
>>RRC Pro
CN
ALCAP: Iu User Plane Release
RRC Con
Locat ion
Iu relea
Operator's setting (refer to signaling in AMR call precedures)
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RRC conn
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The Iu release procedure is performed for the CN to release an
The location update procedure is performed to update the loca
Triggering Conditions : An RRC connection is set up between the
The procedure is descr ibed as fo l lows:
1.The UE sends an INITIAL DIRECT TRANSFER message to the S
2.The SRNC sends an INITIAL UE MESSAGE to the CS service do
Mobile Subscriber Identity (TMSI),International Mobile Subscriber Id
routing area update. The message indicates ATTACH REQUEST a
3.The CN updates the location area information of the UE and save
indicates LOCATION UPDATE ACCEPT and contains the TMSI tha
authentication and ciphering. Then, the CN sendsa DIRECT TRANS
4.The SRNC transparently sends the contents of the DIRECT TRAN
5.The UE receives the LOCATION UPDATE ACCEPT information aarea update, it is the ATTACH ACCEPT information that the UE rec
6.The SRNC transparently sends the contents of the UPLINK DIRE
For routing area update, it is ATTACH COMPLETE that the DIR
RRC connection setup procedure is performed for the UE to s
Triggering Conditions : The UE in idle mode intitiates the RRC
When the SRNC receives an RRC CONNECTION REQUEST mess
If accepting the request, the RRM module further determines wheth
the DCH.
The procedure shown is descr ibed as fo l lows:
1.The UE sends an RRC CONNECTION REQUEST message to the
2.Based on the cause in the RRC connection request and the syste
resources, and L1 and L2 resources. Then the SRNC sends a RADI
resources required for an RRC connection.
3.The NodeB responds with a RADIO LINK SETUP RESPONSE me
4.The SRNC uses the ALCAP protocol to set up the Iub user plane t
for the ATM-based Iub interface only.5.The SRNC sends an RRC CONNECTION SETUP message to the
6. UE and NodeB initiate L1 Synchronization. NodeB sends NBAP:S
7. The UE sends an RRC CONNECTION SETUP COMPLETE mes
RRC connection setup procedure ends.
If the RNC judges that the RRC connection request cannot be set u
indicates the reject reason in the message
edure description
ect ion Setup
Update
e
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r gger ng on t ons: e u re ease proce ure can e tr ggere
example,sending an IU RELEASE REQUEST message,The Serving
The procedure shown is descr ibed as fo l lows:
1.The CN sends an IU RELEASE COMMAND message to the SRN
NOTE After sending the IU RELEASE COMMAND message, the C
2.The SRNC releases the related UTRAN resources and then sends
The RRC Connection Release procedure is performed to release
Triggering Conditions: After a n RAB is released,the SRNC judge
release procedure.
The procedure shown is descr ibed as fo l lows: based on the res
connection from DCH and release of an RRC connection from CCH
connection on the CCH is released)
1.The SRNC sends an RRC CONNECTION RELEASE message to
(NOTE: The SRNC may send the RRC CONNECTION RELEASE
and the transmission intervals are determined by the SRNC. If the S
COMPLETE message from the UE after sending the RRC CONNE
2.The UE sends an RRC CONNECTION RELEASE COMPLETE m
3.The SRNC sends a RADIO LINK DELETION REQUEST message
4.After releasing the resources, the NodeB sends a RADIO LINK DE
5.(Optional; required for the ATM-based Iub interface only) The SRN
ends.
ection Release
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Iu connection and all the UTRAN resources related only to that Iu connection.
tion of a UE.
UE and the Serving RNC (SRNC)
NC through the RRC connection. The message contains the Non Access Stratum (NAS) information to be
ain of the CN through the Iu interface. The message indicates LOCATION UPDATE REQUEST and contai
ntity (IMSI), and Location Area Identity (LAI).The SRNC sends an INITIAL UE MESSAGE to the PS service
d contains the Routing Area Identity (RAI)
the new LAI. The CN might also perform authentication and ciphering. Then, the CN sends a DIRECT TRA
is assigned to the UE.For routing area update, the CN updates the routing area information of the UE and s
FER message to the SRNC. The message indicates ATTACH ACCEPTand contains the TMSI that is assig
SFER message to the UE through a DOWNLINK DIRECT TRANSFER message.
nd sends an UPLINK DIRECT TRANSFER message to the SRNC. The message contains the information sives.
T TRANSFER messageto the CN through a DIRECT TRANSFER message. The DIRECT TRANSFER me
CT TRANSFER message indicates.
et up a signaling connection to the SRNC. RRC connection setup is always initiated by the UE. One UE has
onnection setup procedure when the NAS of the UE requests the establishment of a signaling connection
age from the UE, the Radio Resource Management (RRM) module of the RNC determines whether to acce
r to set up the RRC connection on a Dedicated Channel (DCH)or on a Common Channel (CCH), based on
SRNC through the uplink CCCH(RACH), requesting the establishment of an RRC connection.
resource status, the SRNC determines to set up the RRC connection on a DCH and allocates the Radio N
O LINK SETUP REQUEST message to the NodeB, requesting the NodeB to allocate the specific radio link
ssage to the SRNC after successfully preparing the resources.
ransport bearer and performs the synchronization between the SRNC and the NodeB. This procedure is opti
UE through the downlink CCCH (FACH). The message contains the information about the DCH allocated b
ynchonization Indicator message to SRNC when the uplink enter "In-Sync" state
age to the SRNC through the uplink Dedicated Control Channel (DCCH) that is just set up. The message in
(for instance, due to insufficient resources), it directly sends an RRC CONNECTION REJECT message to
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n one o t e o ow ng con t ons: e transact on etween t e an t e s comp ete, e req
Radio Network Subsystem (SRNS) is relocated.4.The SRNS relocation is canceled after a relocation resou
to initiate the Iu release procedure. The message indicates the cause for the release of the signaling conn
will not send further RANAP connection-oriented messages on this particular connection.
an IU RELEASE COMPLETE message to the CN.
he signaling connection and all radio bearers between UE and the UTRAN
whether the RRC connection carries any other RAB or the UE. If judging that the RRC connection does not
uce occupied by the RRC connection,there are two types of RRC connection release procedure: release of
(If an RRC connection needs to be released after a successful outgoing call,, the RRC connection on the D
the UE through the DCCH.
essage several times to increase the probability of proper reception of the message by the UE. The RRC S
RNC does not receive an RRC CONNECTION RELEASE
TION RELEASE message for four times, the SRNC judges that the UE has released the RRC connection.)
ssage to the SRNC.
to the NodeB,requesting the NodeB to delete the radio link resources in the NodeB.
LETION RESPONSE message to the SRNC.
C uses the ALCAP protocol to initiate an Iub user plane transport bearer release procedure. Then, the RRC
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sent to the CN by the UE.
nsthe UE information, such as the Temporary
domain of the CN throughthe Iu interface for
NSFER message to the SRNC. The message
avesthe new RAI. The CN might also perform
ed to the UE
uchas the NAS information and the CN ID.For routing
sageindicates TMSI REALLOCATION COMPLETE.
a maximum of one RRC connection at a time.
t or reject theRRC connection request, based on a specific algorithm.
a specific RRM algorithm. Typically, an RRC connection is set up on
etworkTemporary Identity(RNTI),radio
onal. It is required
y the SRNC.
dicates that the
he UE, and
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ests t e to re ease t e resources on t e u nter ace y, or
rce allocation procedure iscomplete.
ction.
carry other RAB of the UE,the SRNC initiates an RRC connection
an RRC
H is released and if a radio bearers fails to be setup ,the RRC
s of these messages are the same. The number of retransmissions
connection release procedure
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value=
value=
value=
value=
value=(
value=
value=
RRC:RRC Connection Request (RACH)
>>"Geo
>>"RRC
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value=
value=
value=
value=
RRC:RRC Connection Setup (FACH)
>>"Geo
>>"RRC
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value=
value=
value=
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value=
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value=
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value=
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value=
value=
value=(
value=
value=
value=
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value=
value=
value=
Cell Ide
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value=
RRC:RRC Connection Setup Complete (DCCH) >>"RRC
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value=
value=
value=
value=
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RANAP: Initial UE Message (MM: Location Update Request)
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RRC: Initial Direct Transfer (MM: Location Update Request)
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RANAP: Direct Transfer (MM: Location Update Accept)
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RRC: Downlink Direct Transfer (MM: Location Update Accept)
RRC: RRC Connection Release
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.RRC: RRC Connection Release Complete
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ex2d ec(4)=4 , hex 2dec (5)=5 ,hex2d ec(6)=6 --> MCC=456
ex2d ec(0)=0 , hex 2dec (2)=2 --> MNC=02
ex2dec(75 AA )= 30122
regist rat ion(Locat ion update)
-24+ (36/2))= -6 dB (Serving cell 's CPICH Ec/No)
ex2dec(91)=145 (Neighbour 's Pr imary Scrambl in g Code)
PICH Ec/Io inv alid
raphical and UTRAN En ti ty Ident i f iers"
Connect ion Request Descr ipt ion"
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ex2d ec(4)=4 , hex 2dec (5)=5 ,hex2d ec(6)=6 --> MCC=456
ex2d ec(0)=0 , hex 2dec (2)=2 --> MNC=02
ex2dec(75 AA )= 30122
E capable to sup port FDD , not TDD
raphical and UTRAN En ti ty Ident i f iers"
Connect ion Setup Descr ipt ion"
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E capable to suppo rt GSM
ignal ing Radio Bearer Informat ion Setup ,RB-1
adio Bearer Mapping
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ignal ing Radio Bearer Informat ion Setup ,RB-2
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ignal ing Radio Bearer Informat ion Setup ,RB-3
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ignal ing Radio Bearer Informat ion Setup ,RB-4
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LER Target= -20 dB
axAl lowedULTxPow er=24 dBm
-37*2)= -74 dBm (step of 2 dB) Default Constant DPCCH_Power_offset CPICH_RSCP
-22 -74 -80-22 -74 -70
Note :DPCCH_Power_offset is configured by RNC and delivered to
use Closed Loop Power Cont ro l A lgor i thm1
use long SC on Upl ink
preading Factor 64 (Upl ink)
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preading Factor 128 (Down l ink)
r imary Scrambl ing c ode=385
preading Factor 128 (Down l ink)
ntity=RNCid(12bits)+Cell id(16bits)
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00000000001 0101101011001010 => RNCid=bin2dec(000000000001)=1 an d Cellid=bin2dec(011101111001
Connect ion Setup Com plete Descr ipt ion"
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UE (Powerclass3) maximum transm it ted power =24 dBm
sup por t GSM (Dual Mode UMTS<>GSM)
Chiper ing Algor i thm A 5/3
suppo rt Compressed Mode (CM) upl ink and do wnl ink
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value= MCC=456
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value= MNC=02
value=hex2dec(75AA)=30122
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PCPICH Power UL Interference UL DPCCH Initial Power
33 -85 633 -85 -4
UE in RRC Connection Setup.
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2.NBAP:Radio Link Setup Req
3.NBAP:Radio Link Setup Resp.
RRC Connection Establishment Timing
NBAP:Synchonization Indicator
1.RRC: Uplink Direct Transfer (CC: Setup)
6.RRC: RRC Connection Setup Completed (DCH)
6.RRC: Security Mode Command
L3 Messages - AMR Voice (MOC
UE NodeB S-R
1.RRC: RRC Connection Request (RACH)
Start Rx
4.ALCAP: Iub User Plane Setup
Start Tx
7.RRC: Security Mode Completed
2.RRC: Downlink Direct Transfer (MM: Authentication Request)
5.RRC: RRC Connection Setup (FACH)
L1 Synch onization
1.RRC: Initial Direct Transfer (MM: CM Service Request)
3.RRC: Uplink Direct Transfer (MM: Authentication Response)
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3.NBAP: Radio LinkReconfiguration Prepare
4.NBAP: Radio Link
Reconfiguration Ready
7.NBAP: Radio Link
Reconfiguration Commit
RRC:Measurement Report
Call Establ ish ed
8.RRC: Radio Bearer Setup Complete
5.ALCAP: Iub User Plane Setup
9.RRC: Downlink Direct Transfer (CC: Connect)
7.RRC: Downlink Direct Transfer (CC: Alerting)
4.RRC: Downlink Direct Transfer (CC: Call Proceeding)
Intra-Frequency Soft Handover
Inter-Frequency Hard Handover
Inter-RAT Hard Handover
RRC:Measurement Control
6.RRC: Radio Bearer Setup
Apply new transport format set
10.RRC: Uplink Direct Transfer (CC: Connect Acknowledge)
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3.NBAP: Radio Link Deletion
Request
4.NBAP: Radio Link Deletion
Response
2.RRC: RRC Connection Release Complete
Note the following information about the procedure ,
1.The RRC connection can be set up on a DCH or a CCH. This procedure takes the RRC connection
set up on the DCH as an example.
2. If IP transport is applied to the Iub interface, no ALCAP procedure is performed on the
Iubinterface after radio links are set up, reconfigured, or deleted.
3. If IP transport is applied to the Iu-CS interface, no ALCAP procedure is performed on the
Iu-CS interface after an RAB is set up or a call is released
5,.ALCAP: Iub User Plane Release
1.RRC: Uplink Direct Transfer (CC: Disconnect)
4.RRC: Downlink Direct Transfer (CC: Release)
2.RRC:RRC Connection Release Complete
5.RRC: Uplink Direct Transfer (CC: Release Complete)
1.RRC: RRC Connection Release
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SCCP: CR (Connection Request)
2.RANAP: Initial UE Message (MM: CM Service Request)
3.SCCP: CC (Connection Confirm)
1.RANAP: Direct Transfer (MM: Authentication Request)
4.RANAP: Direct Transfer (MM: Authentication Response)
RANAP: Common ID (IMSI)
5.RANAP: Security Mode Command
8.RANAP: Security Mode Complete
2.RANAP: Direct Transfer (CC: Setup)
Call Procedure
C
>>RRC Proc
CN
1.RRC Co
2.Signalli
3.AuthenSecurity
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3.RANAP: Direct Transfer (CC: Call Proceeding)
1.RANAP: RAB Assignment Request
2.ALCAP : Iu User Plane Setup
9.RANAP: RAB Assignment Response
6.RANAP: Direct Transfer (CC: Alerting)
8.RANAP: Direct Transfer (CC: Connect)
11.RANAP: Direct Transfer (CC: Connect Acknowledge)
6.Convers
4.Cal
5. Radio Be
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2.RANAP: Direct Transfer (CC: Disconnect)
3.RANAP: Direct Transfer (CC: Release)
6.RANAP: Direct Transfer (CC: Release Complete)
7.RANAP: Iu Release Command
9.RANAP: Iu Release Complete
8.ALCAP: Iu User Plane Release
7.Call R
8.RRC C
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RRC connection setup procedure is performed for the UE to set up a
connection at a time.
Triggering Conditions : The UE in idle mode intitiates the RRC connect
REQUEST message from the UE, the Radio Resource Management (RRM)
algorithm. If accepting the request, the RRM module further determines wh
algorithm. Typically, an RRC connection is set up on the DCH.
The procedure shown is descr ibed as fo l lows:
1.The UE sends an RRC CONNECTION REQUEST message to the SRNC
2.Based on the cause in the RRC connection request and the system resou
Identity(RNTI),radio resources, and L1 and L2 resources. Then the SRNC s
required for an RRC connection.
3.The NodeB responds with a RADIO LINK SETUP RESPONSE message t
4.The SRNC uses the ALCAP protocol to set up the Iub user plane transpor
for the ATM-based Iub interface only.5.The SRNC sends an RRC CONNECTION SETUP message to the UE thr
6. UE and NodeB initiate L1 Synchronization. NodeB sends NBAP:Synchoni
7. The UE sends an RRC CONNECTION SETUP COMPLETE message to
RRC connection setup procedure ends.
If the RNC judges that the RRC connection request cannot be set up (for in
The signaling connection setup procedure is performed to exchang
Triggering Conditons: The UE sends a direct transfer message to initiate
The procedure shown is descr ibed as fo l lows:
1.The UE sends an INITIAL DIRECT TRANSFER message to the SRNC th
2.The SRNC receives the INITIAL DIRECT TRANSFER message from the
to be sent to the CN by the UE. The content of the NAS information is CM
3.The CN sends a response message to the SRNC.
-If accepting the request, the CN sends a CONNECTION CONFIRM (CC)
confirms that the signaling connection is set up.
-If rejecting the request, the CN sends a CONNECTION REJECT (CJ) m
confirms that the signaling connection fails to be setup and then initiates th
The authentication and security mode control procedure is perfo
algorithm and ciphering algorithm. This procedure ensures integrity and cor
Triggerring Conditions: The UE and the CN exchange signaling. The net
The procedure shown is descr ibed as fo l lows:
1.The CN sends a DIRECT TRANSFER message to the SRNC. The messa
2.The SRNC transparently sends the contents of the DIRECT TRANSFER
3.The UE sends an UPLINK DIRECT TRANSFER message to the SRNC.
edure Description
nnection Setup
ng Connection Setup
tication & Mode Control
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The call setup procedure is performed to set up a call.
Triggering Conditions: The UE initiates a call
The procedure shown is descr ibed as fo l lows:
1.The UE sends an UPLINK DIRECT TRANSFER message to the SRNC.
2.The SRNC transparently sends the contents of the UPLINK DIRECT TRA
3.The CN sends a DIRECT TRANSFER message to the SRNC. The messa
4.The SRNC transparently sends the contents of the DIRECT TRANSFER
5. A Radio Access Bearer (RAB) is set up. (see more details in RAB Setup
6. When the called terminal rings, the CN sends a DIRECT TRANSFER me
7.The SRNC transparently sends the contents of the DIRECT TRANSFER
8.The CN sends a DIRECT TRANSFER message to the SRNC. The messa
9.The SRNC transparently sends the contents of the DIRECT TRANSFER
10.The UE sends an UPLINK DIRECT TRANSFER message to the SRNC.
11.The SRNC transparently sends the contents of the UPLINK DIRECT TR
The Radio B earer Setup p rocedure shown is descr ibed as fo l lows:
1.The CN sends an RAB ASSIGNMENT REQUEST message to the SRNC
2.(Optional; applicable to the ATM-based Iu-CS interface only) The SRNC
characteristic parameters. Based on the AAL2 link characteristic parameter
3.The SRNC sends a RADIO LINK RECONFIGURATION PREPARE mess
4.The NodeB allocates the associated resources and then sends a RADIO
5.(Optional; required for the ATM-based Iub interface only) The Iub ALCAP
by exchanging uplink and downlink synchronization frames in the DCH fram
6.The SRNC sends a RADIO BEARER SETUP message to the UE.
7.The SRNC sends a RADIO LINK RECONFIGURATION COMMIT messa
8.After performing the radio bearer setup, the UE sends a RADIO BEARER
9.The SRNC sends an RAB ASSIGNMENT RESPONSE message to the C
The procedure when RAB Setup Fai lure shown is d escr ibed as fo l lows
1.The CN sends an RAB ASSIGNMENT REQUEST message to the SRNC
2.The SRNC sends an RAB ASSIGNMENT RESPONSE message to the C
4.The SRNC transparently sends the contents of the UPLINK DIRECT TRA
Subscriber Identity Module (USIM) judges that the authentication is success
5.The CN sends a SECURITY MODE COMMAND message to the SRNC to
protection algorithms.
6.The SRNC sends a SECURITY MODE COMMAND message to the UE to
7.The UE sends a response message to the SRNC.
- If the in tegr i ty protect ion and cipher ing algor i thms are conf igured su
MODE COMMAND COMPLETE message to the CN.The message contain- If the UE does not s upport the in tegr i ty protect ion and cipher ing algo
information and the reason for the failure. The SRNC then sends a SECURI
The call release procedure is performed to release services and resou
Triggering Conditions : A call ends and the calling party hangs up
The procedure shown is described as follows:
1.The UE sends an UPLINK DIRECT TRANSFER message to the SRNC.
2.The SRNC transparently sends the contents of the UPLINK DIRECT TRA
ation
l Setup
arer Setup
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The RRC Connection Release procedure is performed to release the sign
Triggering Conditions: After a n RAB is released,the SRNC judges wheth
RRC connection release procedure.
The procedure shown is descr ibed as fo l lows: based on the resouce oc
RRC connection from CCH (If an RRC connection needs to be released aft
fails to be setup ,the RRC connection on the CCH is released)
1.The SRNC sends an RRC CONNECTION RELEASE message to the UE
(NOTE: The SRNC may send the RRC CONNECTION RELEASE message
the same. The number of retransmissions and the transmission intervals ar
UE after sending the RRC CONNECTION RELEASE message for four tim
2.The UE sends an RRC CONNECTION RELEASE COMPLETE message
3.The SRNC sends a RADIO LINK DELETION REQUEST message to the
4.After releasing the resources, the NodeB sends a RADIO LINK DELETIO
5.(Optional; required for the ATM-based Iub interface only) The SRNC uses
procedure ends.
3.The CN sends a DIRECT TRANSFER message to the SRNC. The messa
4.The SRNC transparently sends the contents of the DIRECT TRANSFER
5.The UE sends an UPLINK DIRECT TRANSFER message to the SRNC.
6.The SRNC transparently sends the contents of the UPLINK DIRECT TRA
7.The CN sends an IU RELEASE COMMAND message to the SRNC to req
8.(Optional; applicable to the ATM-based Iu-CS interface only) The ALCAP
9.The SRNC sends an IU RELEASE COMPLETE message to the CN.
elease
onnection Release
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signaling connection to the SRNC. RRC connection setup is always initiated by the UE. One UE has a ma
ion setup procedure when the NAS of the UE requests the establishment of a signaling connection When t
module of the RNC determines whether to accept or reject theRRC connection request, based on a speci
ther to set up the RRC connection on a Dedicated Channel (DCH)or on a Common Channel (CCH),based
through the uplink CCCH(RACH), requesting the establishment of an RRC connection.
rce status, the SRNC determines to set up the RRC connection on a DCH and allocates the Radio Networ
ends a RADIO LINK SETUP REQUEST message to the NodeB, requesting the NodeB to allocate the spe
o the SRNC after successfully preparing the resources.
t bearer and performs the synchronization between the SRNC and the NodeB. This procedure is optional. I
ough the downlink CCCH (FACH). The message contains the information about the DCH allocated by the
zation Indicator message to SRNC when the uplink enter "In-Sync" state
the SRNC through the uplink Dedicated Control Channel (DCCH) that is just set up. The message indicate
tance, due to insufficient resources), it directly sends an RRC CONNECTION REJECT message to the U
e the NAS (Non Access Stratum) information between the UE and the CN.
he signaling connection setup procedure.
rough the RRC connection. The message contains the initial NAS information to be sent to the CN by the
UE and sends an INITIAL UE MESSAGE to the CN over the Iu interface. The INITIAL UE MESSAGE cont
ERVICE REQUEST.
message to the SRNC. The message indicates that the SCCP connection is set up. After receivingthe me
ssage to the SRNC. The message indicates that the SCCP connection fails to be set up. After receiving th
RRC release procedure.
rmed for the UE and the network to implement bi-directional authentication and to negotiate and configure
ectness of signaling
ork initiates the authentication and securitymode control procedure
ge indicates AUTHENTICATION REQUEST.
essage to the UE through a DOWNLINK DIRECT TRANSFER message.
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he message contains the number of the called party and the information about the bearer capability of the
NSFER messageto the CN through a DIRECT TRANSFER message.
ge indicates CALL PROCEEDING and contains the information about the negotiated bearer capability of t
essage to the UE through a DOWNLINK DIRECT TRANSFER message.
rocedure below)
ssage to the SRNC. The message indicates ALERTING.
essage to the UE through a DOWNLINK DIRECT TRANSFER message.
ge indicates CONNECT, which means that the called party has answered the call.
essage to the UE through a DOWNLINK DIRECT TRANSFER message.
NSFER message to the CN through a DIRECT TRANSFER message, indicating CONNECT ACKNOWL
to initiate the RAB setup procedure.
aps the Quality of Service (QoS) parameters for the RAB to the AAL2 link characteristic parameters and r
,the ALCAP on the Iu interface initiates an Iu user plane transport bearer setup procedure.
ge to the NodeB, requesting the NodeB to prepare for adding one or more DCHs to the existing radio link
INKRECONFIGURATION READY message to the SRNC.
at the SRNC initiates an Iub user plane transport bearer setup procedure. The NodeB and the SRNC perfo
e protocol.
e to theNodeB.
SETUP COMPLETE message to the SRNC.
. The RAB isset up.
:
to initiate the RAB setup procedure.
. The message indicates the ID of the RAB that fails to be set up and the reason for the failure.
NSFER messageto the CN through a DIRECT TRANSFER message, indicating AUTHENTICATION RES
ful, the UE returns a message with an XRES IE.
initiate the security mode control procedure. The message contains the information about the supported c
inform the UE of the integrity protection and ciphering algorithms that the UTRAN selects.
cessfu l ly , the UE sends a SECURITY MODE COMMAND COMPLETE message to the SRNC. The SRN
the information about the integrity protection and ciphering algorithms that the UE uses. i thms, the UE sends a SECURITY MODE COMMAND FAILURE message to the SRNC. The message c
TY MODE COMMAND REJECT message to the CN
ces after a call ends.
NSFER messageto the CN through a DIRECT TRANSFER message, indicating DISCONNECT. This cont
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aling connection and all radio bearers between UE and the UTRAN
r the RRC connection carries any other RAB or the UE. If judging that the RRC connection does not carry
cupied by the RRC connection,there are two types of RRC connection release procedure: release of an R
r a successful outgoing call,, the RRC connection on the DCH is released and if a radio bearers
through the DCCH.
several times to increase the probability of proper reception of the message by the UE. The RRC SNs of t
e determined by the SRNC. If the SRNC does not receive an RRC CONNECTION RELEASE COMPLETE
s, the SRNC judges that the UE has released the RRC connection.)
o the SRNC.
odeB,requesting the NodeB to delete the radio link resources in the NodeB.
RESPONSE message to the SRNC.
the ALCAP protocol to initiate an Iub user plane transport bearer release procedure. Then, the RRC conn
ge indicates RELEASE to request release of the call.
essage to the UE through a DOWNLINK DIRECT TRANSFER message.
NSFER messageto the CN through a DIRECT TRANSFER message, indicating RELEASE COMPLETE.
uest call release on the Iu interface. The message indicates the reason for the Iu release
protocol on the Iu interface initiates an Iu data transport bearer release procedure.
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imum of one RRC
he SRNC receives an RRC CONNECTION
ic
on a specific RRM
Temporary
ific radio link resources
t is required
RNC.
s that the
, and indicates the reject
E.
ins the NAS information
ssage, the SRNC
e message, the SRNC
he integrity protection
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call.
e call.
DGE.
dio resource
for carrying the RAB.
rm synchronization
ONSE. If the UMTS
iphering and integrity
C then sends a SECURITY
ntains the error
nt informs the CN that the UE has hanged up.
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other RAB of the UE,the SRNC initiates an
C connection from DCH and release of an
hese messages are
message from the
ction release
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value
value
value
valu e
value
value
value
RRC:RRC Connection Request (RACH) >>" RR
>>" Ge
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value
value
value
RRC:RRC Connection Setup (FACH) >>" RR
>>" Ge
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value
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value
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value
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value
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value
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value
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value
Cell Id
value
RRC:RRC Connection Setup Complete (DCCH) >>" RR
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valu e
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valu e
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RRC: Initial Direct Transfer (MM: CM Service Request)
RANAP:Initial UE Message (MM: CM Service Request)
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RRC: Uplink Direct Transfer (MM: Authentication Response)
RANAP: Direct Transfer (MM: Authentication Request)
RRC: Downlink Direct Transfer (MM: Authentication Request)
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RANAP: Direct Transfer (MM: Authentication Response)
RRC: Security Mode Command
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RANAP: Direct Transfer (CC: Setup)
RRC: Security Mode Complete
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RRC: Uplink Direct Transfer (CC: Setup)
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RRC: Downlink Direct Transfer (CC: Call Proceeding)
RANAP: Direct Transfer (CC: Call Proceeding)
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RRC: Radio Bearer Setup
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RANAP: Direct Transfer (CC: Alerting)
RRC: Radio Bearer Setup Complete
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RRC: Downlink Direct Transfer (CC: Connect)
RRC: Downlink Direct Transfer (CC: Alerting)
RANAP: Direct Transfer (CC: Connect)
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RANAP: Direct Transfer (CC: Connect Acknowledge)
RRC: Uplink Direct Transfer (CC: Connect Acknowledge)
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RANAP: Direct Transfer (CC: Disconnect)
RRC: Uplink Direct Transfer (CC: Disconnect)
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RANAP: Direct Transfer (CC: Release)
RRC: Downlink Direct Transfer (CC: Release)
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RRC: Downlink Direct Transfer (CC: RRC Connection Release)
RANAP: Direct Transfer (CC: Release Complete)
RRC: Uplink Direct Transfer (CC: Release Complete)
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RRC: Uplink Direct Transfer (CC: RRC Connection Release Complete)
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hex 2dec (5)=5 , hex 2dec (2)=2 ,hex2d ec(0)=0 --> MCC=520
hex 2dec (0)=0 , hex 2dec (1)=1 --> MNC=01
hex2d ec(2908)= 10504
Originat ingCo nversat ionalcal l (CS MOC)
(-24+ (43/2))=-2.5 dB
hex2dec(60)=96(Neighbour 's Pr imary Scramb l ing Code)
CPICH Ec/Io in valid
Connect ion Request Descr ipt ion"
graphical and UTRAN Enti ty Ident i f iers"
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hex 2dec (5)=5 , hex 2dec (2)=2 ,hex2d ec(0)=0 --> MCC=520
hex 2dec (0)=0 , hex 2dec (1)=1 --> MNC=01
hex2d ec(2908)= 10504
Connect ion Setup Descr ipt ion"
graphical and UTRAN Enti ty Ident i f iers"
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UE capable to supp ort FDD , not TDD
UE capable to suppo rt GSM
Signal ing Radio Bearer Informat ion Setup ,RB-1
Radio Bearer Mapping
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Signal ing Radio Bearer Informat ion Setup ,RB-2
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Signal ing Radio Bearer Informat ion Setup ,RB-3
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Signal ing Radio Bearer Informat ion Setup ,RB-4
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BLER Target= -20 dB
MaxAl lowedULTxPower=24 dBm
(-47*2)= -94 dBm (step of 2 dB) Default Constant DPCCH_Power_offset CPICH_RSCP
-22 -94 -80
-22 -94 -70
Note :DPCCH_Power_offset is configured by RNC and delivered t
use Closed Loop Power Cont ro l A lgor i thm1
use long SC on Upl ink
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Spreading Factor 64 (Upl ink)
Spreading Factor 128 (Downl ink )
Pr imary Scrambl ing cod e=97
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Spreading Factor 128 (Downl ink )
entity=RNCid(12bits)+Cellid(16bits)
000000001011 0111011110010010 => RNCid=bin2dec(000000001011)=11 an d Cellid=bin2dec(0111011110010
Connect ion Setup Com plete Descr ipt ion"
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not su ppo rt GSM (Locked UMTS Mode)
Chiper ing Algor i thm A5/3
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UE suppo rt Band fdd 2100 MHz
UE (Powerclass3) maximum transmit ted pow er =24 dBm
suppo rt Compressed Mode (CM) upl ink and do wnl ink
UE suppo rt Band fdd 1800 MHz
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value= Call B-Party numb er = 0812713339
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>>"Radio Bearer Descript io n"
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value= SF64(uplin k)-> AMR 12.2
value=Primary Scrambl in g co de=97
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value= SF128(down link )-> AMR 12.2
Cell Identity =RNCid(12bits)+Cell id(16bits)
value= 000000001011 0111011110010010 => RNCid=bin2dec(000000001011)=11 an d Cel l id=bin2de
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PCPICH Power UL Interference UL DPCCH Initial Power
33 -105 -14
33 -105 -24
UE in RRC Connection Setup.
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10)=30610
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(0111011110010010)=30610
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*** The different messages between MOC & MTC are highlighted in "Red" color
2.NBAP:Radio Link Setup Req
3.NBAP:Radio Link Setup Resp.
RRC Connection Establishment Timing
NBAP:Synchonization Indicator
1. RRC: RRC Connection Request (RACH)
6.RRC: Security Mode Command
7.RRC: Security Mode Completed
4. ALCAP: Iub User Plane Setup
Start Tx
1.RRC: Initial Direct Transfer (MM: Paging Response)
2.RRC: Downlink Direct Transfer (MM: Authentication Request)
5. RRC: RRC Connection Setup (FACH)
6. RRC: RRC Connection Setup Completed (DCH)
Start Rx
2. RRC: Paging Type 1
3.RRC: Uplink Direct Transfer (MM: Authentication Response)
L3 Messages -AMR Voice Call (M
L1 Synchonization
UE NodeB S-
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. : a o n
Reconfiguration Prepare
4. NBAP: Radio Link
Reconfiguration Ready
7. NBAP: Radio Link
Reconfiguration Commit
RRC: Uplink Direct Transfer (CC: Release)
RRC:Measurement Report
RRC:Measurement Control
11. RRC: Downlink Direct Transfer (CC: Connect Acknowledge)
Call Establ ish ed
RRC: Downlink Direct Transfer (CC: Disconnect)
8.RRC: Uplink Direct Transfer (CC: Connect)
Apply new transport format set
8. RRC: Radio Bearer Setup Complete
6. RRC: Uplink Direct Transfer (CC: Alerting)
2. RRC: Downlink Direct Transfer (CC: Setup)
3. RRC: Uplink Direct Transfer (CC: Call Confirmed)
5. ALCAP: Iub User Plane Setup
6. RRC: Radio Bearer Setup
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: a o n e et on
Request
NBAP: Radio Link Deletion
Response
Note the following information about the procedure ,
1.The RRC connection can be set up on a DCH or a CCH. This procedure takes the RRC connection
set up on the DCH as an example.2. If IP transport is applied to the Iub interface, no ALCAP procedure is performed on the Iubinterface
after radio links are set up, reconfigured, or deleted.
3. If IP transport is applied to the Iu-CS interface, no ALCAP procedure is performed on theIu-CS
interface after an RAB is set up or a call is released
RRC: Uplink Direct Transfer (CC: RRC Connection Release Complete)
ALCAP: Iub User Plane Release
RRC: Downlink Direct Transfer (CC: RRC Connection Release)
RRC: Uplink Direct Transfer (CC: RRC Connection Release Complete)
RRC: Downlink Direct Transfer (CC: Release Complete)
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1. RANAP: Paging
2.SCCP: CR (Connection Request)
2. RANAP: Initial UE Message (MM: Paging Response)
3.SCCP: CC (Connection Confirm)
1.RANAP: Direct Transfer (MM: Authentication Request)
4.RANAP: Direct Transfer (MM: Authentication Response)
RANAP: Common ID (IMSI)
5.RANAP: Security Mode Command
7.RANAP: Security Mode Complete
>>RRC Proc
C) Call Procedure
NC CN
2.RRC C
3.Signal
4.AutheMode C
1.Paging
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1. RANAP: Direct Transfer (CC: Setup)
4. RANAP: Direct Transfer (CC: Call Confirmed)
1. RANAP: RAB Assignment Request
2. ALCAP: Iur User Plane Setup
9.RANAP: RAB Assignment Response
7. RANAP: Direct Transfer (CC: Alerting)
9. RANAP: Direct Transfer (CC: Connect)
10. RANAP: Direct Transfer (CC: Connect Acknowledge)
RANAP: Direct Transfer (CC: Disconnect)
RANAP: Direct Transfer (CC: Release)
6.Conve
4.Cal
5.Radio
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RANAP: Direct Transfer (CC: Release Complete)
RANAP: Iu Release Command
RANAP: Iu Release Complete
ALCAP: Iur User Plane Release
7.Call R
8.RRC
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The signaling connection setup procedure is performed to
Triggering Conditions: The UE sends a direct transfer me
The procedure shown is described as follows:
RRC connection setup procedure is performed for the UE to
maximum of one RRC connection at a time.
Triggering Conditions: The UE in idle mode intitiates the RRC
When the SRNC receives an RRC CONNECTION REQUEST me
reject theRRC connection request, based on a specific algorithm. I
Channel (DCH)or on a Common Channel (CCH), based on a speci
The procedure shown is descr ibed as fo l lows: 1.The UE sends an RRC CONNECTION REQUEST message to t
2.Based on the cause in the RRC connection request and the syst
NetworkTemporary Identity (RNTI), radio resources, and L1 and L
NodeB to allocate the specific radio link resources required for an
3.The NodeB responds with a RADIO LINK SETUP RESPONSE
4.The SRNC uses the ALCAP protocol to set up the Iub user plane
It is required for the ATM-based Iub interface only.
5.The SRNC sends an RRC CONNECTION SETUP message to t
SRNC.
6. UE and NodeB initiate L1 Synchronization. NodeB sends NBAP:
7. The UE sends an RRC CONNECTION SETUP COMPLETE me
indicates that the RRC connection setup procedure ends.If the RNC judges that the RRC connection request cannot be set
edure Description
Paging Procedure The paging procedure is performed when th
Triggering Conditions: A Terminal calls the UE
The Paging Proc edure in Idle, Cel l_PCH and URA-PCH mo des
1.The CN sends a PAGING message to the SRNC.
2.The SRNC initiates the paging procedure by sending a PAGING
paging occasion is related to the International Mobile Subscriber Id
proper receptionof the paging message by the UE.)
3.The UE in idle mode or in PCH state monitors the paging and re
Th e Pag in g Pro ced ur e in Cel l_DCH an d Cell_FACH mod e is d
1.The CN sends a PAGING message to the SRNC.
2.The SRNC initiates the paging procedure by sending a PAGING
3.The UE receives the PAGNG TPYE 2 message, reads it, and the
procedure ends onnectionSetup
ling Connection Setup
ntication & Securityontrol
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Call Setup Procedure(Incoming Call) is performed to setup
Triggering Conditions : A UE receiveds a call from the CN
The procedure shown is descr ibed as fo l lows:
1.The CN sends a DIRECT TRANSFER message to the SRNC. T
2.The SRNC transparently sends the contents of the DIRECT TRA
3.The UE sends an UPLINK DIRECT TRANSFER message to the
4.The SRNC transparently sends the contents of the UPLINK DIRmessageindicates CALL CONFIRM and contains the information a
5. A Radio Access Bearer (RAB) is set up. (see more details in RA
6. The UE sends an UPLINK DIRECT TRANSFER message to the
7.The SRNC transparently sends the contents of the UPLINK DIR
called terminal to ring.
8.The UE sends an UPLINK DIRECT TRANSFER message to the
9.The SRNC transparently sends the contents of the UPLINK DIR
meansthat the called party has answered the call.
1.The UE sends an INITIAL DIRECT TRANSFER message to the
UE.
2.The SRNC receives the INITIAL DIRECT TRANSFER message
contains the NAS information to be sent to the CN by the UE. The
3.The CN sends a response message to the SRNC.
-If accepting the request, the CN sends a CONNECTION CONFI
message, the SRNC confirms that the signaling connection is set
-lf rejecting the request, the CN sends a CONNECTION REJECmessage, the SRNC confirms that the signaling connection fails t
The authentication and security mode control procedur protection algorithm and ciphering algorithm. This procedure ensur
Triggerring Conditions: The UE and the CN exchange signaling.
The procedure shown is descr ibed as fo l lows:
1.The CN sends a DIRECT TRANSFER message to the SRNC. T
2.The SRNC transparently sends the contents of the DIRECT TRA3.The UE sends an UPLINK DIRECT TRANSFER message to the
4.The SRNC transparently sends the contents of the UPLINK DIR
RESPONSE. If the UMTS Subscriber Identity Module (USIM) judg
5.The CN sends a SECURITY MODE COMMAND message to the
ciphering and integrity protection algorithms.
6.The SRNC sends a SECURITY MODE COMMAND message to
7.The UE sends a response message to the SRNC.
-If the i n teg r it y pro tect ion and c ipher ing al gor it hms are con fi g
then sends a SECURITY MODE COMMAND COMPLETE messa
UE uses.
-If the UE does no t suppo r t the in teg r it y p rotec t ion and c i pher
contains the error information and the reason for the failure. The S
The RANAP:Common ID messa e is used to trans ort the er
rsation
ll Setup
earer Setup
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The RRC Connection Release procedure is performed to releas
Triggering Conditions: After a n RAB is released,the SRNC judg
other RAB of the UE,the SRNC initiates an RRC connection releas
The procedure shown is descr ibed as fo l lows: based on the re
from DCH and release of an RRC connection from CCH (If an RR
bearers fails to be setup ,the RRC connection on the CCH is relea
1.The SRNC sends an RRC CONNECTION RELEASE message t
(NOTE: The SRNC may send the RRC CONNECTION RELEASE
these messages are the same. The number of retransmissions an
RELEASE COMPLETE message from the UE after sending the R
connection.)
. .
11.The SRNC transparently sends the contents of the DIRECT TR
The Radio Bearer Setup pro cedure shown is desc ribed as fol l
1.The CN sends an RAB ASSIGNMENT REQUEST message to t
2.(Optional; applicable to the ATM-based Iu-CS interface only) The
radio resource characteristic parameters. Based on the AAL2 link
3.The SRNC sends a RADIO LINK RECONFIGURATION PREPA
links for carrying the RAB.4.The NodeB allocates the associated resources and then sends a
5.(Optional; required for the ATM-based Iub interface only) The Iub
perform synchronization by exchanging uplink and downlink synch
6.The SRNC sends a RADIO BEARER SETUP message to the U
7.The SRNC sends a RADIO LINK RECONFIGURATION COMMI
8.After performing the radio bearer setup, the UE sends a RADIO
9.The SRNC sends an RAB ASSIGNMENT RESPONSE messag
The procedure when RAB Setup Fai lure shown is descr ibed a
1.The CN sends an RAB ASSIGNMENT REQUEST message to th
2.The SRNC sends an RAB ASSIGNMENT RESPONSE message
The Call Release procedure is performed to release servic
Triggering Conditions: A call ends and the calling party ha
The procedure shown is descr ibed as fo l lows:
1.The CN sends a DIRECT TRANSFER message to the SRNC. T
2.The SRNC transparently sends the contents of the DIRECT TRA
3.The UE sends an UPLINK DIRECT TRANSFER message to the
4.The SRNC transparently sends the contents of the UPLINK DIR
RELEASE which requests release of the call.
5.The CN sends a DIRECT TRANSFER message to the SRNC. T
6.The SRNC transparently sends the contents of the DIRECT TRA
7.The CN sends an IU RELEASE COMMAND message to the SR
8.(Optional; applicable to the ATM-based Iu-CS interface only) The
9.The SRNC sends an IU RELEASE COMPLETE message to the
lease
onnection Release
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2.The UE sends an RRC CONNECTION RELEASE COMPLETE
3.The SRNC sends a RADIO LINK DELETION REQUEST messa
4.After releasing the resources, the NodeB sends a RADIO LINK
5.(Optional; required for the ATM-based Iub interface only) The S
connection release procedure ends.
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exchange the NAS (Non Access Stratum) information between the UE and the CN.
sage to initiate the signaling connection setup procedure.
set up a signaling connection to the SRNC. RRC connection setup is always initiated by the UE. One UE h
connection setup procedure when the NAS of the UE requests the establishment of a signaling connection
sage from the UE, the Radio Resource Management (RRM) module of the RNC determines whether to ac
f accepting the request, the RRM module further determines whether to set up the RRC connection on a D
ific RRM algorithm. Typically, an RRC connection is set up on the DCH.
e SRNC through the uplink CCCH(RACH), requesting the establishment of an RRC connection.
m resource status, the SRNC determines to set up the RRC connection on a DCH and allocates the Radio
resources. Then the SRNC sends a RADIO LINK SETUP REQUEST message to the NodeB, requesting t
RC connection.
essage to the SRNC after successfully preparing the resources.
transport bearer and performs the synchronization between the SRNC and the NodeB. This procedure is o
e UE through the downlink CCCH (FACH). The message contains the information about the DCH allocate
Synchonization Indicator message to SRNC when the uplink enter "In-Sync" state
ssage to the SRNC through the uplink Dedicated Control Channel (DCCH) that is just set up. The message
p (for instance, due to insufficient resources), it directly sends an RRC CONNECTION REJECT message
CN calls a UE.
i s descr ibed as fo l lows;
TYPE 1 message to the UE through the Paging Control Channel (PCCH) on an appropriate occasion.(NOT
entity (IMSI) of the UE. The UTRAN may page the same UE on several occasions to increase the probabilit
eives the paging message from the network layer.The paging procedure ends.
scr ibed as fo l lows;
TYPE 2 message to the UE through the DCCH.
n reports to the NAS the information such as the paging cause and the paging record type identifier.The pa
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call.
e message indicates SETUP and contains the number of the calling party and the bearer capability of the
NSFER message to the UE through a DOWNLINK DIRECT TRANSFER message.
SRNC.
CT TRANSFER messageto the CN through a DIRECT TRANSFER message. The DIRECT TRANSFERbout the negotiated bearer capability of the call.
B Setup Procedure below)
SRNC.
CT TRANSFER messageto the CN through a DIRECT TRANSFER message, indicating ALERTING to req
SRNC.
CT TRANSFER messageto the CN through a DIRECT TRANSFER message, indicating CONNECT. This
SRNC through the RRC connection. The message contains the initial NAS information to be sent to the CN
rom the UE and sendsan INITIAL UE MESSAGE to the CN through the Iu interface. The INITIAL UEMESS
content ofthe NAS information is PAGING RESPONSE .
RM (CC) message tothe SRNC. The message indicates that the SCCP connection is set up. After receivin
p.
(CJ) message to the SRNC. The message indicates that the SCCP connection fails to be set up. After recbe setup and then initiates the RRC release procedure.
is performed for the UE and the network to implement bi-directional authentication and to negotiate and c
es integrity and correctness of signaling.
The network initiates the authentication and securitymode control procedure
e message indicates AUTHENTICATION REQUEST.
NSFER message to the UE through a DOWNLINK DIRECT TRANSFER message.SRNC.
CT TRANSFER messageto the CN through a DIRECT TRANSFER message, indicating AUTHENTICATI
s that the authentication is successful, the UE returns a message with an XRES IE.
SRNC to initiate the security mode control procedure. The message contains the information about the sup
the UE to inform the UE of the integrity protection and ciphering algorithms that the UTRAN selects.
ured successfu l ly , the UE sends a SECURITY MODE COMMAND COMPLETE message to the SRNC.
e to the CN.The message contains the information about the integrity protection and ciphering algorithms t
ing algor i thms, the UE sends a SECURITY MODE COMMAND FAILURE message to the SRNC. The me
RNC then sends a SECURITY MODE COMMAND REJECT message to the CN
manent UE Identit IMSI to SRNC
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the signaling connection and all radio bearers between UE and the UTRAN
s whether the RRC connection carries any other RAB or the UE. If judging that the RRC connection does
e procedure.
souce occupied by the RRC connection,there are two types of RRC connection release procedure: release
connection needs to be released after a successful outgoing call,, the RRC connection on the DCH is rele
ed)
the UE through the DCCH.
message several times to increase the probability of proper reception of the message by the UE. The RRC
the transmission intervals are determined by the SRNC. If the SRNC does not receive an RRC CONNEC
C CONNECTION RELEASE message for four times, the SRNC judges that the UE has released the RRC
.
ANSFER message to the UE through a DOWNLINK DIRECT TRANSFER message.
ws:
e SRNC to initiate the RAB setup procedure.
SRNC maps the Quality of Service (QoS) parameters for the RAB to the AAL2 link characteristic paramete
haracteristic parameters,the ALCAP on the Iu interface initiates an Iu user plane transport bearer setup pro
RE message to the NodeB, requesting the NodeB to prepare for adding one or more DCHs to the existing r
RADIO LINKRECONFIGURATION READY message to the SRNC.
ALCAP at the SRNC initiates an Iub user plane transport bearer setup procedure. The NodeB and the SR
onization frames in the DCH frame protocol.
.
message to the NodeB.
EARER SETUP COMPLETE message to the SRNC.
to the CN. The RAB isset up.
fo l lows:
e SRNC to initiate the RAB setup procedure.
to the CN. The message indicates the ID of the RAB that fails to be set up and the reason for the failure.
es and resources after a call ends.
ngs up.
e message indicates DISCONNECT to inform the UE that the calling party has hanged up.
NSFER message to the UE through a DOWNLINK DIRECT TRANSFER message.
SRNC.
CT TRANSFER messageto the CN through a DIRECT TRANSFER message. The DIRECT TRANSFER
e message indicatesRELEASE COMPLETE.
NSFER message to theUE through a DOWNLINK DIRECT TRANSFER message.
C to request call releaseon the Iu interface. The message indicates the reason for the Iu release.
ALCAP protocol on theIu interface initiates an Iu data transport bearer release procedure.
CN.
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essage to the SRNC.
e to the NodeB,requesting the NodeB to delete the radio link resources in the NodeB.
ELETION RESPONSE message to the SRNC.
NC uses the ALCAP protocol to initiate an Iub user plane transport bearer release procedure. Then, the R
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as a
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ot carry
of an RRC connection
ased and if a radio
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C
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RRC: Paging Type 1
RRC: RRC Connection Request (RACH)
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RRC: RRC Connection Setup (FACH)
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RRC:RRC Connection Setup Complete (DCCH)
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RANAP: Initial UE Message (MM: Paging Response)
RRC: Initial Direct Transfer (MM: Paging Response)
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RRC: Security Mode Command
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RRC: Security Mode Complete
RRC: Downlink Direct Transfer (CC: Setup)
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RANAP: Direct Transfer (CC: Call Confirmed)
RANAP: Direct Transfer (CC: Setup)
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RRC: Radio Bearer Setup
RRC: Uplink Direct Transfer (CC: Call Confirmed)
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RRC: Radio Bearer Setup Complete
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RRC: Uplink Direct Transfer (CC: Alerting)
RANAP: Direct Transfer (CC: Connect)
RANAP: Direct Transfer (CC: Alerting)
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RANAP: Direct Transfer (CC: Connect Acknowledge)
RRC:Downlink Direct Transfer (CC: Connect Acknowledge)
RRC: Uplink Direct Transfer (CC: Connect)
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RANAP: Direct Transfer (MM: Authentication Request)
RRC: Downlink Direct Transfer (MM: Authentication Request)
RRC: Uplink Direct Transfer (MM: Authentication Response)
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RANAP: Direct Transfer (MM: Authentication Response)
RANAP: Direct Transfer (CC: Disconnect)
RRC: Downlink Direct Transfer (CC: Disconnect)
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RRC: Uplink Direct Transfer (CC: Release)
RANAP: Direct Transfer (CC: Release)
RANAP: Direct Transfer (CC: Release Complete)
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RRC: Downlink Direct Transfer (CC: RRC Connection Release)
RRC: Uplink Direct Transfer (CC: Release Complete)
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RRC: Uplink Direct Transfer (CC: RRC Connection Release)
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value=hex 2dec(5)=5 , hex2dec(2)=2 ,hex2dec (0)=0 --> MCC=520
value=hex 2dec(0)=0 , h ex2dec(1)=1 --> MNC=01
value=hex 2dec(2908)= 10504
value= terminat ingConv ersat ionalcal l (CS MTC)
>>"RRC Connect ion Request Descr ipt ion"
>>"Geographical and UTRAN Enti ty Ident i f iers"
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valu e=(-24+ (44/2))=-2.0 d B
value=hex2dec(6d)=109(Neighbour 's Pr imary Scrambl ing Code)
value=CPICH Ec/Io in valid
>>"RRC Connect ion Setup Descr ipt ion"
>>"Geographical and UTRAN Enti ty Ident i f iers"
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value=hex 2dec(5)=5 , hex2dec(2)=2 ,hex2dec (0)=0 --> MCC=520
value=hex 2dec(0)=0 , h ex2dec(1)=1 --> MNC=01
value=hex 2dec(2908)= 10504
value=UE capable to sup port FDD , not TDD
value=UE capable to sup port GSM
value=Signal ing Radio Bearer Informat ion Setup ,RB-1
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value=Radio Bearer Mapping
value=Signal ing Radio Bearer Informat ion Setup ,RB-2
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value=Signal ing Radio Bearer Informat ion Setup ,RB-3
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value=Signal ing Radio Bearer Informat ion Setup ,RB-4
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value=BL ER Target= -20 dB
value=MaxAl lowedULTxPow er=24 dBm
value=(-48*2)= -96 dBm (step of 2 dB) Default Constant DPCCH_Power_offset CPICH_RSCP
-22 -96 -80
-22 -96 -70
value= use Closed Loop Pow er Control Algor i thm1 Note :DPCCH_Power_offset is configured by RN
value= use long SC on Upl ink
value=Spreading Factor 64 (Upl ink)
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value=Spreading Factor 128 (Down l ink)
value=Primary Scrambl in g cod e=97
value=Spreading Factor 128 (Down l ink)
Cell Identity =RNCid(12bits)+Cellid(16bits)
value= 000000001011 0111011110010010 => RNCid=bin2dec(000000001011)=11 an d Cellid=bin2dec(01110111100100
>>"RRC Connect ion Setup Com plete Descr ipt ion"
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value= not sup port GSM (Locked UMTS Mode)
value= Chiper ing Alg or i thm A 5/3
value= UE support B and fdd2100 MHz
value= UE (Powerclass3) maximum transmit ted pow er =24 dBm
value= support Comp ressed Mode (CM) upl ink and dow nl ink
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value= Call B-Party numb er = 0813713339
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>>"Radio Bearer Descript ion "
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value= SF64(uplin k)-> AMR 12.2
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value=Primary Scrambl in g cod e=97
value= SF128(down link )-> AMR 12.2
Cell Identity =RNCid(12bits)+Cellid(16bits)
value= 000000001011 0111011110010010 => RNCid=bin2dec(000000001011)=11 an d Cellid=bin2dec(01110111100100
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PCPICH Power UL Interference DPCCH Initial Power
33 -107 -16
33 -107 -26
C and delivered to UE in RRC Connection Setup.
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10)=30610
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2.NBAP:Radio Link Setup Req
3.NBAP:Radio Link Setup Resp.
RRC Connection Establishment Timing
NBAP:Synchonization Indicator
L1 Synch onization
1.RRC: Initial Direct Transfer (MM: CM Service Request)
3.RRC: Uplink Direct Transfer (MM: Authentication Response)
L3 Messages - Video Call (CS64
UE NodeB S-R
1.RRC: RRC Connection Request (RACH)
Start Rx
4.ALCAP: Iub User Plane Setup
Start Tx
1.RRC: Uplink Direct Transfer (CC: Setup)
6.RRC: RRC Connection Setup Completed (DCH)
7.RRC: Security Mode Completed
2.RRC: Downlink Direct Transfer (MM: Authentication Request)
5.RRC: RRC Connection Setup (FACH)
6.RRC: Security Mode Command
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3.NBAP: Radio LinkReconfiguration Prepare
4.NBAP: Radio Link
Reconfiguration Ready
7.NBAP: Radio Link
Reconfiguration Commit
RRC:Measurement Control
6.RRC: Radio Bearer Setup
8.RRC: Radio Bearer Setup Complete
5.ALCAP: Iub User Plane Setup
9.RRC: Downlink Direct Transfer (CC: Connect)
7.RRC: Downlink Direct Transfer (CC: Alerting)
4.RRC: Downlink Direct Transfer (CC: Call Proceeding)
1.RRC: Uplink Direct Transfer (CC: Disconnect)
Apply new transport format set
10.RRC: Uplink Direct Transfer (CC: Connect Acknowledge)
RRC:Measurement Report
Call Establ ish ed
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3.NBAP: Radio Link Deletion
Request
4.NBAP: Radio Link Deletion
Response
Note the following information about the procedure ,
1.The RRC connection can be set up on a DCH or a CCH. This procedure takes the RRC connection
set up on the DCH as an example.
2. If IP transport is applied to the Iub interface, no ALCAP procedure is
5,.ALCAP: Iub User Plane Release
4.RRC: Downlink Direct Transfer (CC: Release)
2.RRC:RRC Connection Release Complete
2.RRC: RRC Connection Release Complete
5.RRC: Uplink Direct Transfer (CC: Release Complete)
1.RRC: RRC Connection Release
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SCCP: CR (Connection Request)
2.RANAP: Initial UE Message (MM: CM Service Request)
3.SCCP: CC (Connection Confirm)
1.RANAP: Direct Transfer (MM: Authentication Request)
4.RANAP: Direct Transfer (MM: Authentication Response)
RANAP: Common ID (IMSI)
5.RANAP: Security Mode Command
8.RANAP: Security Mode Complete
2.RANAP: Direct Transfer (CC: Setup)
Call Procedure
C
>>RRC Proc
CN
1.RRC Co
2.Signalli
3.AuthenSecurity
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3.RANAP: Direct Transfer (CC: Call Proceeding)
1.RANAP: RAB Assignment Request
2.ALCAP : Iu User Plane Setup
9.RANAP: RAB Assignment Response
6.RANAP: Direct Transfer (CC: Alerting)
8.RANAP: Direct Transfer (CC: Connect)
11.RANAP: Direct Transfer (CC: Connect Acknowledge)
6.Convers
4.Cal
5. Radio Be
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2.RANAP: Direct Transfer (CC: Disconnect)
3.RANAP: Direct Transfer (CC: Release)
6.RANAP: Direct Transfer (CC: Release Complete)
7.RANAP: Iu Release Command
9.RANAP: Iu Release Complete
8.ALCAP: Iu User Plane Release
7.Call R
8.RRC C
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RRC connection setup procedure is performed for the UE to set up a
maximum of one RRC connection at a time.
Triggering Conditions : The UE in idle mode intitiates the RRC connect
receives an RRC CONNECTION REQUEST message from the UE, the Ra
request, based on a specific algorithm. If accepting the request, the RRM
Dedicated Channel (DCH)or on a Common Channel (CCH),based on a spe
The procedure shown is descr ibed as fo l lows:
1.The UE sends an RRC CONNECTION REQUEST message to the SRNC
2.Based on the cause in the RRC connection request and the system resou
resources, and L1 and L2 resources. Then the SRNC sends a RADIO LINK
3.The NodeB responds with a RADIO LINK SETUP RESPONSE message t
4.The SRNC uses the ALCAP protocol to set up the Iub user plane transpor
for the ATM-based Iub interface only.
5.The SRNC sends an RRC CONNECTION SETUP message to the UE thr6. UE and NodeB initiate L1 Synchronization. NodeB sends NBAP:Synchoni
7. The UE sends an RRC CONNECTION SETUP COMPLETE message to
indicates that the RRC connection setup procedure ends.
If the RNC judges that the RRC connection request cannot be set up (for in
theUE, and indicates the reject reason in the message
edure Description
The signaling connection setup procedure is performed to exchang
Triggering Conditons: The UE sends a direct transfer message to initiate
The procedure shown is descr ibed as fo l lows:
1.The UE sends an INITIAL DIRECT TRANSFER message to the SRNC th
2.The SRNC receives the INITIAL DIRECT TRANSFER message from the
CN by the UE. The content of the NAS information is CM SERVICE REQU
3.The CN sends a response message to the SRNC.
-If accepting the request, the CN sends a CONNECTION CONFIRM (CC)
SRNC confirms that the signaling connection is set up.
-If rejecting the request, the CN sends a CONNECTION REJECT (CJ) m
the SRNC confirms that the signaling connection fails to be setup and then
The authentication and security mode control procedure is perfo
the integrity protection algorithm and ciphering algorithm. This procedure e
Triggerring Conditions: The UE and the CN exchange signaling. The net
The procedure shown is descr ibed as fo l lows:
1.The CN sends a DIRECT TRANSFER message to the SRNC. The messa
2.The SRNC transparently sends the contents of the DIRECT TRANSFER
3.The UE sends an UPLINK DIRECT TRANSFER message to the SRNC.
nnection Setup
ng Connection Setup
tication & Mode Control
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The call setup procedure is performed to set up a call.
Triggering Conditions: The UE initiates a call
The procedure shown is descr ibed as fo l lows:
1.The UE sends an UPLINK DIRECT TRANSFER message to the SRNC.
2.The SRNC transparently sends the contents of the UPLINK DIRECT TRA
3.The CN sends a DIRECT TRANSFER message to the SRNC. The messa4.The SRNC transparently sends the contents of the DIRECT TRANSFER
5. A Radio Access Bearer (RAB) is set up. (see more details in RAB Setup
6. When the called terminal rings, the CN sends a DIRECT TRANSFER me
7.The SRNC transparently sends the contents of the DIRECT TRANSFER
8.The CN sends a DIRECT TRANSFER message to the SRNC. The messa
9.The SRNC transparently sends the contents of the DIRECT TRANSFER
10.The UE sends an UPLINK DIRECT TRANSFER message to the SRNC.
11.The SRNC transparently sends the contents of the UPLINK DIRECT TR
The Radio B earer Setup p rocedure shown is descr ibed as fo l lows:
1.The CN sends an RAB ASSIGNMENT REQUEST message to the SRNC
2.(Optional; applicable to the ATM-based Iu-CS interface only) The SRNCparameters. Based on the AAL2 link characteristic parameters,the ALCAP o
3.The SRNC sends a RADIO LINK RECONFIGURATION PREPARE mess
4.The NodeB allocates the associated resources and then sends a RADIO
5.(Optional; required for the ATM-based Iub interface only) The Iub ALCAP
uplink and downlink synchronization frames in the DCH frame protocol.
6.The SRNC sends a RADIO BEARER SETUP message to the UE.
7.The SRNC sends a RADIO LINK RECONFIGURATION COMMIT messa
8.After performing the radio bearer setup, the UE sends a RADIO BEARER
9.The SRNC sends an RAB ASSIGNMENT RESPONSE message to the C
The procedure when RAB Setup Fai lure shown is d escr ibed as fo l lows
1.The CN sends an RAB ASSIGNMENT REQUEST message to the SRNC
2.The SRNC sends an RAB ASSIGNMENT RESPONSE message to the C
The call release procedure is performed to release services and resou
Triggering Conditions : A call ends and the calling party hangs up
The procedure shown is described as follows:
1.The UE sends an UPLINK DIRECT TRANSFER message to the SRNC.
2.The SRNC transparently sends the contents of the UPLINK DIRECT TRA
han ed
4.The SRNC transparently sends the contents of the UPLINK DIRECT TRA
Module (USIM) judges that the authentication is successful, the UE returns
5.The CN sends a SECURITY MODE COMMAND message to the SRNC to
algorithms.
6.The SRNC sends a SECURITY MODE COMMAND message to the UE to
7.The UE sends a response message to the SRNC.
- If the in tegr i ty protect ion and cipher ing algor i thms are conf igured su
then sends a SECURITY MODE COMMAND COMPLETE message to the- If the UE does not s upport the in tegr i ty protect ion and cipher ing algo
contains the error information and the reason for the failure. The SRNC the
ation
l Setup
arer Setup
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The RRC Connection Release procedure is performed to release the sign
Triggering Conditions: After a n RAB is released,the SRNC judges wheth
UE,the SRNC initiates an RRC connection release procedure.
The procedure shown is descr ibed as fo l lows: based on the resouce oc
an RRC connection from CCH (If an RRC connection needs to be released
bearers fails to be setup ,the RRC connection on the CCH is released)
1.The SRNC sends an RRC CONNECTION RELEASE message to the UE
(NOTE: The SRNC may send the RRC CONNECTION RELEASE message
number of retransmissions and the transmission intervals are determined b
COMPLETE message from the UE after sending the RRC CONNECTION
2.The UE sends an RRC CONNECTION RELEASE COMPLETE message
3.The SRNC sends a RADIO LINK DELETION REQUEST message to the
4.After releasing the resources, the NodeB sends a RADIO LINK DELETIO
5.(Optional; required for the ATM-based Iub interface only) The SRNC uses
up.
3.The CN sends a DIRECT TRANSFER message to the SRNC. The messa
4.The SRNC transparently sends the contents of the DIRECT TRANSFER
5.The UE sends an UPLINK DIRECT TRANSFER message to the SRNC.
6.The SRNC transparently sends the contents of the UPLINK DIRECT TRA
7.The CN sends an IU RELEASE COMMAND message to the SRNC to req
8.(Optional; applicable to the ATM-based Iu-CS interface only) The ALCAP
9.The SRNC sends an IU RELEASE COMPLETE message to the CN.
elease
onnection Release
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signaling connection to the SRNC. RRC connection setup is always initiated by the UE. One UE has a
ion setup procedure when the NAS of the UE requests the establishment of a signaling connection When t
io Resource Management (RRM) module of the RNC determines whether to accept or reject theRRC con
odule further determines whether to set up the RRC connection on a
ific RRM algorithm. Typically, an RRC connection is set up on the DCH.
through the uplink CCCH(RACH), requesting the establishment of an RRC connection.
rce status, the SRNC determines to set up the RRC connection on a DCH and allocates the Radio Networ
SETUP REQUEST message to the NodeB, requesting the NodeB to allocate the specific radio link resour
o the SRNC after successfully preparing the resources.
t bearer and performs the synchronization between the SRNC and the NodeB. This procedure is optional. I
ough the downlink CCCH (FACH). The message contains the information about the DCH allocated by thezation Indicator message to SRNC when the uplink enter "In-Sync" state
the SRNC through the uplink Dedicated Control Channel (DCCH) that is just set up. The message
tance, due to insufficient resources), it directly sends an RRC CONNECTION REJECT message to
e the NAS (Non Access Stratum) information between the UE and the CN.
he signaling connection setup procedure.
rough the RRC connection. The message contains the initial NAS information to be sent to the CN by the
UE and sends an INITIAL UE MESSAGE to the CN over the Iu interface. The INITIAL UE MESSAGE cont
ST.
message to the SRNC. The message indicates that the SCCP connection is set up. After receivingthe me
ssage to the SRNC. The message indicates that the SCCP connection fails to be set up. After receiving th
initiates the RRC release procedure.
rmed for the UE and the network to implement bi-directional authentication and to negotiate and configure
sures integrity and correctness of signaling
ork initiates the authentication and securitymode control procedure
ge indicates AUTHENTICATION REQUEST.
essage to the UE through a DOWNLINK DIRECT TRANSFER message.
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he message contains the number of the called party and the information about the bearer capability of the
NSFER messageto the CN through a DIRECT TRANSFER message.
ge indicates CALL PROCEEDING and contains the information about the negotiated bearer capability of tessage to the UE through a DOWNLINK DIRECT TRANSFER message.
rocedure below)
ssage to the SRNC. The message indicates ALERTING.
essage to the UE through a DOWNLINK DIRECT TRANSFER message.
ge indicates CONNECT, which means that the called party has answered the call.
essage to the UE through a DOWNLINK DIRECT TRANSFER message.
NSFER message to the CN through a DIRECT TRANSFER message, indicating CONNECT ACKNOWL
to initiate the RAB setup procedure.
aps the Quality of Service (QoS) parameters for the RAB to the AAL2 link characteristic parameters and rn the Iu interface initiates an Iu user plane transport bearer setup procedure.
ge to the NodeB, requesting the NodeB to prepare for adding one or more DCHs to the existing radio link
INKRECONFIGURATION READY message to the SRNC.
at the SRNC initiates an Iub user plane transport bearer setup procedure. The NodeB and the SRNC perfo
e to theNodeB.
SETUP COMPLETE message to the SRNC.
. The RAB isset up.
:
to initiate the RAB setup procedure.
. The message indicates the ID of the RAB that fails to be set up and the reason for the failure.
ces after a call ends.
NSFER messageto the CN through a DIRECT TRANSFER message, indicating DISCONNECT. This cont
NSFER messageto the CN through a DIRECT TRANSFER message, indicating AUTHENTICATION RES
message with an XRES IE.
initiate the security mode control procedure. The message contains the information about the supported c
inform the UE of the integrity protection and ciphering algorithms that the UTRAN selects.
cessfu l ly , the UE sends a SECURITY MODE COMMAND COMPLETE message to the SRNC. The SRN
CN.The message contains the information about the integrity protection and ciphering algorithms that thei thms, the UE sends a SECURITY MODE COMMAND FAILURE message to the SRNC. The message
n sends a SECURITY MODE COMMAND REJECT message to the CN
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aling connection and all radio bearers between UE and the UTRAN
r the RRC connection carries any other RAB or the UE. If judging that the RRC connection does not carry
cupied by the RRC connection,there are two types of RRC connection release procedure: release of an R
after a successful outgoing call,, the RRC connection on the DCH is released and if a radio
through the DCCH.
several times to increase the probability of proper reception of the message by the UE. The RRC SNs of t
the SRNC. If the SRNC does not receive an RRC CONNECTION RELEASE
ELEASE message for four times, the SRNC judges that the UE has released the RRC connection.)
o the SRNC.
odeB,requesting the NodeB to delete the radio link resources in the NodeB.
RESPONSE message to the SRNC.
the ALCAP protocol to initiate an Iub user plane transport bearer release procedure. Then, the RRC conn
ge indicates RELEASE to request release of the call.
essage to the UE through a DOWNLINK DIRECT TRANSFER message.
NSFER messageto the CN through a DIRECT TRANSFER message, indicating RELEASE COMPLETE.
uest call release on the Iu interface. The message indicates the reason for the Iu release
protocol on the Iu interface initiates an Iu data transport bearer release procedure.
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he SRNC
ection
Temporary Identity(RNTI),radio
es required for an RRC connection.
t is required
RNC.
E.
ins the NAS information to be sent to the
ssage, the
e message,
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call.
e call.
DGE.
dio resource characteristic
for carrying the RAB.
rm synchronization by exchanging
nt informs the CN that the UE has
ONSE. If the UMTS Subscriber Identity
iphering and integrity protection
C
E uses.
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other RAB of the
C connection from DCH and release of
hese messages are the same. The
ction release procedure ends.
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Click to return to main page
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value
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value
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RRC:RRC Connection Setup Complete (DCCH) >>" RR
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RRC: Initial Direct Transfer (MM: CM Service Request)
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RANAP:Initial UE Message (MM: CM Service Request)
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RANAP: Direct Transfer (MM: Authentication Request)
RRC: Downlink Direct Transfer (MM: Authentication Request)
RRC: Uplink Direct Transfer (MM: Authentication Response)
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RANAP: Direct Transfer (MM: Authentication Response)
RRC: Security Mode Command
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RRC: Security Mode Complete
RANAP: Direct Transfer (CC: Setup)
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RRC: Uplink Direct Transfer (CC: Setup)
RRC: Downlink Direct Transfer (CC: Call Proceeding)
RANAP: Direct Transfer (CC: Call Proceeding)
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RRC: Radio Bearer Setup
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RRC: Radio Bearer Setup Complete
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RANAP: Direct Transfer (CC: Alerting)
RRC: Downlink Direct Transfer (CC: Alerting)
RANAP: Direct Transfer (CC: Connect)
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RRC: Uplink Direct Transfer (CC: Connect Acknowledge)
RRC: Downlink Direct Transfer (CC: Connect)
RANAP: Direct Transfer (CC: Connect Acknowledge)
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RANAP: Direct Transfer (CC: Disconnect)
RRC: Uplink Direct Transfer (CC: Disconnect)
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RANAP: Direct Transfer (CC: Release)
RRC: Downlink Direct Transfer (CC: Release)
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RRC: Uplink Direct Transfer (CC: Release Complete)
RRC: Downlink Direct Transfer (CC: RRC Connection Release)
RANAP: Direct Transfer (CC: Release Complete)
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RRC: Uplink Direct Transfer (CC: RRC Connection Release Complete)
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hex 2dec (5)=5 , hex 2dec (2)=2 ,hex2d ec(0)=0 --> MCC=520
hex 2dec (0)=0 , hex 2dec (1)=1 --> MNC=01
hex2d ec(2908)= 10504
Originat ingCo nversat ionalcal l (CS MOC)
(-24+ (44/2))=-2.0 dB
Connect ion Request Descr ipt ion"
graphical and UTRAN Enti ty Ident i f iers"
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hex 2dec (5)=5 , hex 2dec (2)=2 ,hex2d ec(0)=0 --> MCC=520
hex 2dec (0)=0 , hex 2dec (1)=1 --> MNC=01
hex2d ec(2908)= 10504
UE capable to supp ort FDD , not TDD
UE capable to suppo rt GSM
Connect ion Setup Descr ipt ion"
graphical and UTRAN Enti ty Ident i f iers"
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Signal ing Radio Bearer Informat ion Setup ,RB-1
Radio Bearer Mapping
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Signal ing Radio Bearer Informat ion Setup ,RB-2
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Signal ing Radio Bearer Informat ion Setup ,RB-3
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Signal ing Radio Bearer Informat ion Setup ,RB-4
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BLER Target= -20 dB
MaxAl lowedULTxPower=24 dBm
(-48*2)= -96 dBm (step of 2 dB) Default Constant DPCCH_Power_offset CPICH_RSCP
-22 -96 -80
-22 -96 -70
Note :DPCCH_Power_offset is configured by RNC and delivered t
use Closed Loop Power Cont ro l A lgor i thm1
use long SC on Upl ink
Spreading Factor 64 (Upl ink)
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Spreading Factor 128 (Downl ink )
Pr imary Scrambl ing cod e=97
Spreading Factor 128 (Downl ink )
entity=RNCid(12bits)+Cellid(16bits)
000000001011 0111011110010010 => RNCid=bin2dec(000000001011)=11 an d Cellid=bin2dec(0111011110010
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Connection Setup Complete Descript ion "
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not su ppo rt GSM (Locked UMTS Mode)
Chiper ing Algor i thm A5/3
UE suppo rt Band fdd 2100 MHz
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UE (Powerclass3) maximum transmit ted pow er =24 dBm
suppo rt Compressed Mode (CM) upl ink and do wnl ink
UE suppo rt Band fdd 1800 MHz
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value= Call B-Party numb er = 0812713339
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>>"Radio Bearer Descript io n"
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value= SF16(uplin k)-> CS64 (VP)
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value=Primary Scrambl in g co de=97
value= SF32(down link )-> CS64 (VP)
Cell Identity =RNCid(12bits)+Cell id(16bits)
value= 000000001011 0111011110010010 => RNCid=bin2dec(000000001011)=11 an d Cel l id=bin2de
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PCPICH Power UL Interference UL DPCCH Initial Power
33 -107 -16
33 -107 -26
UE in RRC Connection Setup.
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10)=30610
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(0111011110010010)=30610
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Click to return to main page
RRC Connection Establishment Timing
Start Rx
RRC: Downlink Direct Transfer (GMM: GP
RRC: Initial Direct Transfer (GMM: A
RRC: Uplink Direct Transfer (MM: Authenticatio
RRC: Uplink Direct Transfer (GMM: GPRS
RRC: Security Mode Com
RRC: Security Mode Compl
RRC: Downlink Direct Transfer (MM: Authentica
8.RRC: RRC Connection Setup Com
L1 Synch onization
UE NodeB
Start Tx
1.RRC: RRC Connection Reque
5.RRC: RRC Connection Setup
If UE alreadyattached toGPRS CN, the UEwill only send"GMM:Service
Request"message to N/W
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RRC: Radio Bearer Setup Co
RRC: Downlink Direct Transfer (SM: Activat
RRC:Measurement Contr
RRC:Measurement Repo
RRC: Downlink Direct Transfer (MM:
RRC: Uplink Direct Transfer (MM: Att
RRC: Radio Bearer Setu
RRC: Uplink Direct Transfer (SM: Activate P
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RRC: Uplink Direct Transfer (SM: Deactivate
RRC: Downlink Direct Transfer (SM: Deactiva
RRC: Uplink Direct Transfer (CC: RRC Connec
RRC: Downlink Direct Transfer (CC: RRC
RRC: Uplink Direct Transfer (CC: RRC Connec
RRC: Radio Bearer Relea
RRC: Downlink Direct Transfer (MM:
RRC: Radio Bearer Release Co
RRC: Uplink Direct Transfer (MM: De
RRC: Radio Bearer Reconfig
RRC: Radio Bearer Reconfiguratio
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2.NBAP:Radio Link Setup Req
3.NBAP:Radio Link Setup Resp.
7.NBAP:Synchonization Indicator
L3 Messages - PS(R99) Call Pr
4.ALCAP: Iub User Plane Setup
S Identity Request)
tach Request)
n & Ciphering Response)
Identity Response)
and
leted
ion & Ciphering Request)
pleted (DCH)
t (RACH)
(FACH)
S-RNC
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NBAP: Radio Link Reconfiguration
Prepare
NBAP: Radio Link Reconfiguration
Ready
NBAP: Radio Link Reconfiguration
Commit
: a o n econ gura on
Prepare
NBAP: Radio Link Reconfiguration
Ready
NBAP: Radio Link Reconfiguration
Commit
mplete
PDP Context Accept)
ol
rt
ALCAP: Iub User Plane Setup
PS Session Establ ished
Attach Accept)
ch Completed)
ALCAP: Iub User Plane Setup
Apply new transport format set
p
DP Context Request)
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NBAP: Radio Link Reconfiguration
Prepare
NBAP: Radio Link Reconfiguration
Ready
NBAP: Radio Link Reconfiguration
Commit
NBAP: Radio Link Deletion
Request
NBAP: Radio Link Deletion
Response
PDP Context Request)
e PDP Context Accept)
tion Release Complete)
onnection Release)
ALCAP: Iub User Plane Release
ALCAP: Iub User Plane Setup
ion Release Complete)
se
etach Accept)
mpleted
tach Request)
ration
n Complete
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RANAP: Initial UE Message GMM: (Attach Request)
RANAP: GMM: GPRS Identity Request
RANAP: GMM: GPRS Identity Response
RANAP: MM: Authentication & Ciphering Request
RANAP:MM: Authentication&Ciphering Response
RANAP: Security Mode Command
RANAP: Security Mode Complete
RANAP: Common ID(IMSI)
>>RRC Procedure Desc
cedure
CN
1.RRC Connection
2.GPRS Attach Pr
3.Authentication &
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RANAP: MM: Attach Accept
RANAP: MM: Attach Completed
RANAP: SM: Activate PDP Context Request
RANAP: RAB Assignment Request
ALCAP : Iu User Plane Setup
RANAP: RAB Assignment Response
RANAP: SM: Activate PDP Context Accept
6.Downlink and U
4.PS Session Setu
5. Radio Bearer Setu
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RANAP: SM: Deactivate PDP Context Request
RANAP: SM: Deactivate PDP Context Accept
RANAP: MM: Detach Request
RANAP: MM: Detach Accept
RANAP: Iu Release Command
RANAP: Iu Release Complete
ALCAP: Iu User Plane Release
7.PS Session Rel
8.RRC Connectio
Radio Bearer ReconUpgrade/Downgrad
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ription
RRC connection setup procedure is performed for the UE to set u
maximum of one RRC connection at a time.
Triggering Conditions : The UE in idle mode intitiates the RRC con
SRNC receives an RRC CONNECTION REQUEST message from theconnection request, based on a specific algorithm. If accepting the requ
(DCH)or on a Common Channel (CCH),based on a specific RRM algori
The procedure shown is descr ibed as fo l lows:
1.The UE sends an RRC CONNECTION REQUEST message to the S
2.Based on the cause in the RRC connection request and the system re
NetworkTemporary Identity(RNTI),radio resources, and L1 and L2 reso
allocate the specific radio link resources required for an RRC connectio
3.The NodeB responds with a RADIO LINK SETUP RESPONSE messa
4.The SRNC uses the ALCAP protocol to set up the Iub user plane tran
is required for the ATM-based Iub interface only.
5.The SRNC sends an RRC CONNECTION SETUP message to the U6. UE and NodeB initiate L1 Synchronization. NodeB sends NBAP:Sync
7. The UE sends an RRC CONNECTION SETUP COMPLETE messag
indicates that the RRC connection setup procedure ends.
If the RNC judges that the RRC connection request cannot be set up (fo
The GPRS Attach procedure is performed in order to make UE pre
data paging via the SGSN, and notification of incoming PS Data.In the a
PS attach and combined PS / CS attach.The identity provided to the net
Triggering Conditons: The UE sends a GPRS Attach Request messa
The procedure shown is descr ibed as fo l lows:
1.UE initiates the attach procedure by the transmission of an Attach Re
available. RNC opens an SCCP (Signalling Connection Control Part) co
2.If the UE identifies itself with P-TMSI and the SGSN has changed sinc
request the IMSI. The old SGSN responds with Identification Response
3.If the UE is unknown in both the old and new SGSN, the SGSN sends
4. The new SGSN asks the HLR to authenticate the UE. HLR sends ba
subscriber information The SGSN sends the Authentication and Cipheri
and AUTN (Authentication Token) to the UE. At reception of this messa
Authentication and Ciphering response (RES) message to the SGSN. D
Integrity Key, IK. These keys are stored together with the CKSN (Cipher
transmission security. A known bit stream is encrypted and decrypted in5. If the SGSN number has changed since the GPRS detach, or if it is t
-The SGSN sends an Update Location (SGSN Number, SGSN Address
-The HLR sends Cancel Location (IMSI, Cancellation Type) to the old S
-The old SGSN acknowledges with Cancel Location Ack (IMSI). If there
the MM (Mobility Management) and PDP contexts
-The HLR sends Insert Subscriber Data (IMSI, GPRS subscription data)
-The new SGSN validates the UE's presence in the (new) RA (Routing
Subscriber Data Ack (IMSI) message to the HLR.
Establishment
cedure
Security Mode Control
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The authentication and security mode control procedure is p
the integrity protection algorithm and ciphering algorithm. This procedu
Triggerring Conditions: The UE and the CN exchange signaling. The
The procedure shown is descr ibed as fo l lows:
1.The CN sends a DIRECT TRANSFER message to the SRNC. The m
2.The SRNC transparently sends the contents of the DIRECT TRANSF
3.The UE sends an UPLINK DIRECT TRANSFER message to the SRN
4.The SRNC transparently sends the contents of the UPLINK DIRECT
UMTS Subscriber Identity Module (USIM) judges that the authenticatio
5.The CN sends a SECURITY MODE COMMAND message to the SRN
and integrity protection algorithms.
6.The SRNC sends a SECURITY MODE COMMAND message to the U
7.The UE sends a response message to the SRNC.
-If the integri ty protectio n and ciphering algori thm s are con figured
then sends a SECURITY MODE COMMAND COMPLETE message to
- If the UE does not s upport th e in tegr ity protect ion and cipher ing a
contains the error information and the reason for the failure. The SRNC
The RANAP:Common ID message is used to transport the perman
-The HLR acknowledges the Update Location message by sending an
If the Update Location is rejected by the HLR, the SGSN rejects the Atta
6. If Attach Type in step 1 indicated PS Attach while already CS attache
SGSN starts the location update procedure towards the new MSC/VLR
the VLR.
a. The SGSN sends a Location Update Request (new LAI, IMSI, SGSN
indicated combined PS / CS attach. Otherwise, Location Update Type sb. If the LA update is inter-MSC, the new VLR sends Update Location (I
c. If the LA update is inter-MSC, the HLR sends a Cancel Location (IMS
d. The old VLR acknowledges with Cancel Location Ack (IMSI). If there
removing the MM and PDP contexts.
e. If the LA update is inter-MSC, the HLR sends Insert Subscriber Data
f. The VLR acknowledges with Insert Subscriber Data Ack (IMSI).
g. After finishing the inter-MSC location update procedures, the HLR res
h. The VLR responds with Location Update Accept (VLR TMSI) to the S
7. The SGSN sends an Attach Accept (P-TMSI, VLR TMSI, P-TMSI Sig
Request cannot be accepted, the SGSN returns an Attach Reject (IMSI
8. If P-TMSI or VLR TMSI was changed, the UE acknowledges the rece
9. If VLR TMSI was changed, the SGSN confirms the VLR TMSI re-allo
The PS Session Setup procedure is performed to set up a PS ses
Triggering Conditions: The UE send Activate PDP context request m
Mobility Management Connected that enables the user to transmitt and
virtual data channel between a terminal connected to a UE and a GGSN
bearer establishes on request of the SGSN in order to realize the air int
(Temporary Logical Link Identity) associated to IMSI.
link Data Transfer
p
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IP addresses can be allocated dynamically or statistically. If allocated dy
enables subscribers to provide their own IP addresses. This can be use
QoS enables the operator to differentiate GPRS services.
When dynamic addressing from the home PLMN or the Visitor PLMN is
The procedure shown is descr ibed as fo l lows:
1.The UE sends an Activate PDP Context Request (NSAPI, TI(TeardowOptions) message to the SGSN The UE shall use PDP Address to indic
2. The SGSN sends a RAB Assignment Request message to the RNC t
3.The RNC establishes the appropriate radio bearer In WCDMA, RAB s
4.The RNC returns a RAB Assignment Response message to the SGS
5. The SGSN validates the active PDP Context Request using PDP Typ
records.The SGSN sends a Create PDP Context Request message to t
Name to find an external network and optionally to activate a service for
6. The GGSN creates a new entry in its PDP context table and generate
the SGSN and the external PDP network, and to start charging
7.The SGSN inserts the Network layer Service Access Point Identifier,
SGSN selects Radio Priority and Packet flow Id based on QoS Negotiat
theGGSN and the UE and to start charging
The Radio Bearer Setup proc edure show n is described as fol lows:
1.The CN sends an RAB ASSIGNMENT REQUEST message to the SR
2.(Optional; applicable to the ATM-based Iu-CS interface only) The SRN
characteristic parameters. Based on the AAL2 link characteristic param
3.The SRNC sends a RADIO LINK RECONFIGURATION PREPARE m
RAB.
4.The NodeB allocates the associated resources and then sends a RA
5.(Optional; required for the ATM-based Iub interface only) The Iub ALC
synchronization by exchanging uplink and downlink synchronization fra
6.The SRNC sends a RADIO BEARER SETUP message to the UE.
7.The SRNC sends a RADIO LINK RECONFIGURATION COMMIT me8.After performing the radio bearer setup, the UE sends a RADIO BEA
9.The SRNC sends an RAB ASSIGNMENT RESPONSE message to th
The procedure when RAB Setup Fai lure show n is descr ibed as fo l l
1.The CN sends an RAB ASSIGNMENT REQUEST message to the SR
2.The SRNC sends an RAB ASSIGNMENT RESPONSE message to th
The PS session release procedure is performed to release servic
Triggering Conditions : The UE send Deactivate PDP context reques
deactivation,the UE has the state Active. After the PDP Context deactiv
PDP contexts activated.PDP Deactivation may be initiated by a:UE proc
The procedure shown is described as follows:
1.The UE sends a Deactivate PDP Context Request (TI, Teardown Indi
2.The SGSN sends a Delete PDP Context Request (TEID, NSAPI, Tear
message, then the SGSN deactivates all PDP contexts associated with
3.The GGSN removes the PDP context(s) and returns a delete PDP Co
4.The SGSN returns a Deactivate PDP Context Accept (TI) message to
5. In Iu mode, radio access bearer release is done by the RAB Assignm
6. The SCCP connection between RNC and SGSN is released. At GPR
ase
Release
figuration toBit Rate
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The RRC Connection Release procedure is performed to release the
Triggering Conditions: After a n RAB is released,the SRNC judges wh
of the UE,the SRNC initiates an RRC connection release procedure.
The procedure shown is descr ibed as fo l lows: based on the resouc
DCH and release of an RRC connection from CCH (If an RRC connecti
a radio bearers fails to be setup ,the RRC connection on the CCH is rel
1.The SRNC sends an RRC CONNECTION RELEASE message to the
(NOTE: The SRNC may send the RRC CONNECTION RELEASE mes
the same. The number of retransmissions and the transmission interval
COMPLETE message from the UE after sending the RRC CONNECTI
2.The UE sends an RRC CONNECTION RELEASE COMPLETE mess
3.The SRNC sends a RADIO LINK DELETION REQUEST message to
4.After releasing the resources, the NodeB sends a RADIO LINK DELE5.(Optional; required for the ATM-based Iub interface only) The SRNC u
procedure ends.
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p a signaling connection to the SRNC. RRC connection setup is always initiated by the UE. One UE has a
nection setup procedure when the NAS of the UE requests the establishment of a signaling connection When
E, the Radio Resource Management (RRM) module of the RNC determines whether to accept or reject theest, the RRM module further determines whether to set up the RRC connection on a Dedicated Channel
hm. Typically, an RRC connection is set up on the DCH.
NC through the uplink CCCH(RACH), requesting the establishment of an RRC connection.
source status, the SRNC determines to set up the RRC connection on a DCH and allocates the Radio
rces. Then the SRNC sends a RADIO LINK SETUP REQUEST message to the NodeB, requesting the Nod
.
ge to the SRNC after successfully preparing the resources.
port bearer and performs the synchronization between the SRNC and the NodeB. This procedure is optional
through the downlink CCCH (FACH). The message contains the information about the DCH allocated by thhonization Indicator message to SRNC when the uplink enter "In-Sync" state
to the SRNC through the uplink Dedicated Control Channel (DCCH) that is just set up. The message
r instance, due to insufficient resources), it directly sends an RRC CONNECTION REJECT message to
sence known to the network by performing a Packet Service Attach (GPRS attach). This makes the UE avail
ttach procedure, the UE shall provide its identity and an indication of which type of attach that is to be execut
work shall be the UE's Packet TMSI (P-TMSI) or IMSI
e to initiate the signaling connection setup procedure.
uest message to the RNC. IMSI shall be included if the UE does not have a valid P-TMSI (Packet Temporar
nnection and sends the Attach request to SGSN
e detach, the new SGSN sends an Identification Request (P-TMSI, old RAI, old P-TMSI Signature) to the old
(IMSI, Authentication vector). The old SGSN also validates the old P-TMSI
an Identity Request (Identity Type = IMSI) to the UE. The UE responds with Identity Response (IMSI).
k to SGSN the Authentication data received from AUC (Authentication Center). The HLR contains GSM and
ng Request to the UE. At authentication of a WCDMA subscriber, the SGSN transmitts the RAND (Random
e, the UE (USIM, WCDMA Subscriber Identity module in the UE) verifies AUTN and if accepted the UE retu
uring generation of authentication vectors, the USIM in the UE also computes a new Ciphering Key. CK, and
ing key sequence number of Kc) until CKSN is updated at the next authentication. The SGSN verifies the
SGSN and UE.e very first attach, then the SGSN informs the HLR:
, IMSI) to the HLR.
SN with Cancellation Type set to Update Procedure.
are any ongoing procedures for that UE, the old SGSN shall wait until these procedures are finished before r
to the new SGSN.
rea). If all checks are successful then the SGSN constructs an MM context for the UE and returns an Insert
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erformed for the UE and the network to implement bi-directional authentication and to negotiate and configur
e ensures integrity and correctness of signaling
network initiates the authentication and securitymode control procedure
ssage indicates AUTHENTICATION REQUEST.
R message to the UE through a DOWNLINK DIRECT TRANSFER message.
C.
RANSFER messageto the CN through a DIRECT TRANSFER message, indicating AUTHENTICATION RE
is successful, the UE returns a message with an XRES IE.
C to initiate the security mode control procedure. The message contains the information about the supported
E to inform the UE of the integrity protection and ciphering algorithms that the UTRAN selects.
successfu l ly , the UE sends a SECURITY MODE COMMAND COMPLETE message to the SRNC. The SR
the CN.The message contains the information about the integrity protection and ciphering algorithms that the
lgor i thms, the UE sends a SECURITY MODE COMMAND FAILURE message to the SRNC. The message
then sends a SECURITY MODE COMMAND REJECT message to the CN
nt UE Identity(IMSI) to SRNC
pdate Location Ack to the SGSN after the canceling of old MM context and insertion of new MM context are
ch Request from the UE with an appropriate cause code
, or combined PS/CS attach, then the VLR shall be updated. The VLR number is received from the RA infor
upon receipt of the first Insert Subscriber Data message from the HLR. This operation marks the UE as GPR
Number, Location Update Type) message to the VLR. Location Update Type shall indicate CS attach if Attac
hall indicate normal location update. The VLR creates an association with the SGSN by storing SGSN NumbMSI, new VLR) to the HLR.
I) to the old VLR.
are any ongoing procedures for that MS, the old SGSN shall wait until these procedures are finished before
(IMSI, GSM subscriber data) to the new VLR.
ponds with Update Location Ack (IMSI) to the new VLR.
GSN.
nature, Radio Priority SMS) message to the UE. P-TMSI is included if the SGSN allocates a new P-TMSI. If t
, Cause) message to the UE
ived TMSI(s) with Attach Complete (P-TMSI, VLR TMSI).
ation by sending TMSI Reallocation Complete (VLR TMSI) to the VLR.
sion
ssage to RNC. PDP Context Activation is performed when the UE initiates a packet call setup. The UE has t
receive data while moving within a PLMN. and starts the PDP context activation procedure used to set up an
. PDP contexts deal with allocation of IP addresses to the UE and Quality of Service, QoS, parameters. A Ra
rface connection. At the end the UE has an IP address NSAPI (Network layer Service Access Point Identifie
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namically, this significantly reduces the total number of IP addresses required per PLMN. Support of static IP
ul when accesing secure networks that use the calling IP address as a form of security check. The support o
used, it is the responsibility of the GGSN to allocate and release the dynamic PDP address.
n Indication), PDP Type, Address, APN (Access Point Name), QoS (Quality of Service) Requested, PDP Coate whether it requires the use of a static PDP address or whether it requires the use of a dynamic PDP addr
o establish a RABs
etup is done by the RAB Assignment procedure
e (optional), PDP Address, APN (Access Point Name (optional) provided by the UE and the PDP context sub
he affected GGSN. Access Point Name shall be the APN Network Identifier of the APN. The GGSN may use
this APN
s a Charging Id. The new entry allows the GGSN to route PDP PDUs (Policy Decision Point Protocol Data U
SAPI along with the GGSN address in its PDP context and informs the UE via RNC that the PDP Context is
d, and returns an Activate PDP Context Accept message to the UE. The SGSN is now able to route PDP P
NC to initiate the RAB setup procedure.
C maps the Quality of Service (QoS) parameters for the RAB to the AAL2 link characteristic parameters and
ters,the ALCAP on the Iu interface initiates an Iu user plane transport bearer setup procedure.
essage to the NodeB, requesting the NodeB to prepare for adding one or more DCHs to the existing radio lin
IO LINKRECONFIGURATION READY message to the SRNC.
AP at the SRNC initiates an Iub user plane transport bearer setup procedure. The NodeB and the SRNC per
es in the DCH frame protocol.
sage to theNodeB. ER SETUP COMPLETE message to the SRNC.
e CN. The RAB isset up.
ows:
NC to initiate the RAB setup procedure.
e CN. The message indicates the ID of the RAB that fails to be set up and the reason for the failure.
s and resources after a session ends.
t message to RNC. A PDP Context Deactivation is performed when the UE terminates a packet call. Before t
tion procedure the state becomes Packet Mobility Management Connected.The RAB will be released if ther
edure,SGSN procedure,GGSN procedure
ation) message to the SGSN via the RNC
down Indication) message to the GGSN. If Teardown Indication was included by the UE in the Deactivate PD
this PDP address by including Teardown Indication in the Delete PDP Context Request message
ntext Response (TEID) message to the SGSN. The Delete PDP Context messages are sent over the backbo
the UE via the RNC
ent procedure
S detach, all PDP contexts for the UE are implicitly deactivated
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signaling connection and all radio bearers between UE and the UTRAN
ether the RRC connection carries any other RAB or the UE. If judging that the RRC connection does not car
occupied by the RRC connection,there are two types of RRC connection release procedure: release of an
n needs to be released after a successful outgoing call,, the RRC connection on the DCH is released and if
eased)
UE through the DCCH.
age several times to increase the probability of proper reception of the message by the UE. The RRC SNs o
are determined by the SRNC. If the SRNC does not receive an RRC CONNECTION RELEASE
N RELEASE message for four times, the SRNC judges that the UE has released the RRC connection.)
ge to the SRNC.
he NodeB,requesting the NodeB to delete the radio link resources in the NodeB.
ION RESPONSE message to the SRNC.ses the ALCAP protocol to initiate an Iub user plane transport bearer release procedure. Then, the RRC con
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the
RRC
B to
. It
SRNC.
ble for SMS over PS
ed.
IMSI)
SGSN to
WCDMA
umber)
ns an
a new
emoving
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PONSE. If the
ciphering
NC
UE uses.
finished.
mation. The
S-attached in
h Type
r.
e Attach
e state Packet
remove a
dio Access
) and a TLLI
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address allocation
f
figurationess.
scription
Access Point
its) between
Accepted. The
Us between
radio resource
ks for carrying the
orm
he
are no other
P Context Request
ne network
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y other RAB
RC connection from
these messages are
nection release
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Click to return to main page
value=hex2de
value=hex2de
value=hex2de
value= Origina
value=(-24+ (3
>>" RRC Connec
>>"Geograph ica
RRC:RRC Connection Request (RACH)
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value=hex2de
value=hex2de
value=hex2de
>>" RRC Connec
>>"Geograph ica
RRC:RRC Connection Setup (FACH)
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value=UE cap
value=UE cap
v alu e=Sig nali
value=Rad io B
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v alu e=Sig nali
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v alu e=Sig nali
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v alu e=Sig nali
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value=BLER T
value=MaxAl lo
value=(-48*2)=
value= use Cl
v al ue= use l on
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v alu e=Sp read i
v alu e=Sp read i
value=Primary
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v alu e=Sp read i
Cell Identity =
value= 000000
>>" RRC ConnecRRC:RRC Connection Setup Complete (DCCH)
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value= no t su
v alu e= Ch ip eri
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value= UE sup
value= UE (Po
va lue= suppor
value= UE sup
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value= no t su
RANAP: Initial UE Message GMM: (Attach Request)
RRC: Initial Direct Transfer (GMM: Attach Request)
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RANAP: MM: Authentication & Ciphering Request
RRC: Downlink Direct Transfer (MM: Authentication & Ciphering Request)
RRC: Uplink Direct Transfer (MM: Authentication & Ciphering Response)
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RANAP:MM: Authentication&Ciphering Response
RRC: Security Mode Command
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RRC: Security Mode Complete
RANAP: MM: Attach Accept
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RRC: Downlink Direct Transfer (MM: Attach Accept)
RRC: Uplink Direct Transfer (MM: Attach Completed)
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RANAP: MM: Attach Completed
RRC: Uplink Direct Transfer (SM: Activate PDP Context Request)
RANAP: SM: Activate PDP Context Request
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RRC: Radio Bearer Setup
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RRC: Radio Bearer Setup Complete
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RANAP: SM: Activate PDP Context Accept
RRC: Downlink Direct Transfer (SM: Activate PDP Context Accept)
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RRC: Radio Bearer Reconfiguration
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RRC: Radio Bearer Reconfiguration Complete
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RRC: Uplink Direct Transfer (SM: Deactivate PDP Context Request)
RANAP: SM: Deactivate PDP Context Request
RANAP: SM: Deactivate PDP Context Accept
RRC: Downlink Direct Transfer (SM: Deactivate PDP Context Accept)
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RRC: Radio Bearer Release
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RRC: Radio Bearer Release Completed
RRC: Downlink Direct Transfer (CC: RRC Connection Release)
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RRC: Uplink Direct Transfer (MM: Detach Request)
RRC: Uplink Direct Transfer (CC: RRC Connection Release Complete)
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RANAP: MM: Detach Request
RANAP: MM: Detach Accept
RRC: Downlink Direct Transfer (MM: Detach Accept)
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(5)=5 , hex 2dec (2)=2 ,hex2d ec(0)=0 --> MCC=520
(0)=0 , hex 2dec (1)=1 --> MNC=01
(2908)= 10504
t ingBackg round Cal l (PS MOC)
/2))=-7.5 dB
t ion Request Descr ipt ion"
l and UTRAN Enti ty Ident i f iers"
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(5)=5 , hex 2dec (2)=2 ,hex2d ec(0)=0 --> MCC=520
(0)=0 , hex 2dec (1)=1 --> MNC=01
(2908)= 10504
t ion Setup Descr ipt ion"
l and UTRAN Enti ty Ident i f iers"
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ble to supp ort FDD , not TDD
ble to supp ort GSM
g Radio Bearer Informat ion Setup ,RB-1
earer Mappin g
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g Radio Bearer Informat ion Setup ,RB-2
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g Radio Bearer Informat ion Setup ,RB-3
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g Radio Bearer Informat ion Setup ,RB-4
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arget= -20 dB
wedULTxPower=24 dBm
-96 dBm (step of 2 dB) Default Constant DPCCH_Power_offset CPICH_RSCP
-22 -96 -80
-22 -96 -70
Note :DPCCH_Power_offset is configured by RNC and delivered t
sed Loop Power Contro l A lgor i thm1
g SC on Upl ink
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ng Factor 64 (Upl ink)
ng Factor 128 (Downl ink )
Scrambl ing cod e=97
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ng Factor 128 (Downl ink )
NCid(12bits)+Cell id(16bits)
01011 0111011110010010 => RNCid=bin2dec(000000001011)=11 an d Cellid=bin2dec(0111011110010
t ion Setup Comp lete Descr ipt ion"
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port GSM (Locked UMTS Mode)
ng Algor i thm A5/3
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port Band fdd2100 MHz
werclass3) maximu m transmit ted power =24 dBm
t Compressed Mode (CM) upl ink and dow nl ink
port Band fdd1800 MHz
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port HSDPA
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>>"Radio Bearer Descript ion "
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value= SF16(uplin k)-> PS64
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value=Primary Scrambl in g cod e=97
value= SF32(down link )-> PS64
Cell Identity =RNCid(12bits)+Cellid(16bits)
value= 000000001011 0111011110010010 => RNCid=bin2dec(000000001011)=11 an d Cel l id=bin2dec(0
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value= SF16(uplin k)-> PS64
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value= SF16(down link )-> PS128
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PCPICH Power UL Interference UL DPCCH Initial Power
33 -107 -16
33 -107 -26
UE in RRC Connection Setup.
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10)=30610
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111011110010010)=30610
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2.NBAP:Radio Link Setup Req
3.NBAP:Radio Link Setup Resp.
RRC Connection Establishment Timing
7.NBAP:Synchonization Indicator
NBAP: Radio Link Reconfiguration
Prepare
NBAP: Radio Link Reconfiguration
Ready
5.RRC: RRC Connection Setup (FACH)
S-
8.RRC: RRC Connection Setup Completed (DCH)
L1 Syncho nization
UE NodeB
RRC: Initial Direct Transfer (GMM: Service Request)
RRC: Security Mode Command
L3 Messages - PS(HSDPA)
4.ALCAP: Iub User Plane Setup
Start Rx
Start Tx
1.RRC: RRC Connection Request (RACH)
RRC: Security Mode Completed
RRC: Uplink Direct Transfer (SM: Activate PDP Context Request)
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NBAP: Radio Link Reconfiguration
Commit
NBAP: Radio Link Reconfiguration
Prepare
NBAP: Radio Link Reconfiguration
Ready
NBAP: Radio Link ReconfigurationCommit
NBAP: Radio Link Reconfiguration
Prepare
NBAP: Radio Link Reconfiguration
Ready
RRC: Physical Channel Reconfiguration (DCCH)
Apply new transport format set
RRC: Radio Bearer Setup
RRC: Radio Bearer Setup Complete
RRC: Downlink Direct Transfer (SM: Activate PDP Context Accept)
RRC:Measurement Control
ALCAP: Iub User Plane Setup
ALCAP: Iub User Plane Setup
PS Session Establ is
RRC: Uplink Direct Transfer (SM: Deactivate PDP Context Request)
RRC: Downlink Direct Transfer (SM: Deactivate PDP Context Accept)
RRC:Physical Channel Reconfiguration Complete (DCCH)
RRC:Measurement Report (e1d)
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: a o n econ gurat on
Commit
NBAP: Radio Link Deletion
Request
NBAP: Radio Link Deletion
Response
RRC: Downlink Direct Transfer (CC: RRC Connection Release)
ALCAP: Iub User Plane Release
ALCAP: Iub User Plane Setup
RRC: Uplink Direct Transfer (CC: RRC Connection Release Complete)
RRC: Radio Bearer Release
RRC: Radio Bearer Release Completed
RRC: Uplink Direct Transfer (CC: RRC Connection Release Complete)
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RANAP: GMM:Service Request
RANAP: Security Mode Command
RANAP: Security Mode Complete
RANAP: Common ID(IMSI)
RANAP: SM: Activate PDP Context Request
RANAP: RAB Assignment Request
ALCAP : Iu User Plane Setup
NC CN
all Procedure
>>RRC Proc
1.RRC C
2.PS Se
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RANAP: RAB Assignment Response
RANAP: SM: Activate PDP Context Accept
RANAP: SM: Deactivate PDP Context Request
RANAP: SM: Deactivate PDP Context Accept
ed
HSDPA's
3. Radio
4. Downl
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RANAP: Iu Release Command
RANAP: Iu Release Complete
ALCAP: Iu User Plane Release
5.PS Se
6.RRC
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edure Description
RRC connection setup procedure is performed for the
maximum of one RRC connection at a time.
Triggering Conditions : The UE in idle mode intitiates th
SRNC receives an RRC CONNECTION REQUEST messagconnection request, based on a specific algorithm. If accept
(DCH)or on a Common Channel (CCH),based on a specific
The procedure shown is descr ibed as fo l lows:
1.The UE sends an RRC CONNECTION REQUEST messa
2.Based on the cause in the RRC connection request and th
NetworkTemporary Identity(RNTI),radio resources, and L1 a
allocate the specific radio link resources required for an RR
3.The NodeB responds with a RADIO LINK SETUP RESPO
4.The SRNC uses the ALCAP protocol to set up the Iub use
is required for the ATM-based Iub interface only.
5.The SRNC sends an RRC CONNECTION SETUP messa6. UE and NodeB initiate L1 Synchronization. NodeB sends
7. The UE sends an RRC CONNECTION SETUP COMPLE
indicates that the RRC connection setup procedure ends.
If the RNC judges that the RRC connection request cannot
The PS Session Setup procedure is performed to set
Triggering Conditions: The UE send Activate PDP context
Mobility Management Connected that enables the user to tr
virtual data channel between a terminal connected to a UE a
bearer establishes on request of the SGSN in order to realiz
(Temporary Logical Link Identity) associated to IMSI.
IP addresses can be allocated dynamically or statistically. If
enables subscribers to provide their own IP addresses. This
QoS enables the operator to differentiate GPRS services.
When dynamic addressing from the home PLMN or the Visi
The procedure shown is descr ibed as fo l lows:
1. The UE initiates the PS Session by using the Service Req
sets-up an SCCP connection with the SGSN and transfers t
2 .The UE sends an Activate PDP Context Request (NSAPI,
Options) message to the SGSN The UE shall use PDP Add3. The SGSN sends a RAB Assignment Request message t
4.The RNC establishes the appropriate radio bearer In WC
5.The RNC returns a RAB Assignment Response message
6. The SGSN validates the active PDP Context Request usi
records.The SGSN sends a Create PDP Context Request
Name to find an external network and optionally to activate
7. The GGSN creates a new entry in its PDP context table a
the SGSN and the external PDP network, and to start chargi
8.The SGSN inserts the Network layer Service Access Point
onnection Establishment
ssion Setup
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The RRC Connection Release procedure is performed to
Triggering Conditions: After a n RAB is released,the SRN
of the UE,the SRNC initiates an RRC connection release pr
The procedure shown is descr ibed as fo l lows: based on
DCH and release of an RRC connection from CCH (If an R
a radio bearers fails to be setup ,the RRC connection on th
1.The SRNC sends an RRC CONNECTION RELEASE mes
(NOTE: The SRNC may send the RRC CONNECTION REL
the same. The number of retransmissions and the transmis
COMPLETE message from the UE after sending the RRC
2.The UE sends an RRC CONNECTION RELEASE COMP
The PS session release procedure is performed to rel
Triggering Conditions : The UE send Deactivate PDP co
deactivation,the UE has the state Active. After the PDP Con
PDP contexts activated.PDP Deactivation may be initiated b
The procedure shown is described as follows:
1.The UE sends a Deactivate PDP Context Request (TI, Te
2.The SGSN sends a Delete PDP Context Request (TEID,
message, then the SGSN deactivates all PDP contexts asso
3.The GGSN removes the PDP context(s) and returns a del
4.The SGSN returns a Deactivate PDP Context Accept (TI)
5. In Iu mode, radio access bearer release is done by the R6. The SCCP connection between RNC and SGSN is releas
SGSN selects Radio Priority and Packet flow Id based on Q
theGGSN and the UE and to start charging
The Radio Bearer Setup proc edure show n is described
1.The CN sends an RAB ASSIGNMENT REQUEST messa
2.(Optional; applicable to the ATM-based Iu-CS interface on
characteristic parameters. Based on the AAL2 link characte
3.The SRNC sends a RADIO LINK RECONFIGURATION PRAB.
4.The NodeB allocates the associated resources and then s
5.(Optional; required for the ATM-based Iub interface only)
synchronization by exchanging uplink and downlink synchro
6.The SRNC sends a RADIO BEARER SETUP message to
7.The SRNC sends a RADIO LINK RECONFIGURATION C
8.After performing the radio bearer setup, the UE sends a R
9.The SRNC sends an RAB ASSIGNMENT RESPONSE m
The p r ocedu re when RAB Setup Fai lu re shown is desc r
1.The CN sends an RAB ASSIGNMENT REQUEST messa
erving Cell Change
earer Setup
ink and Uplink Data Transfer
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3.The SRNC sends a RADIO LINK DELETION REQUEST
4.After releasing the resources, the NodeB sends a RADIO
5.(Optional; required for the ATM-based Iub interface only)
procedure ends.
sion Release
onnection Release
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UE to set up a signaling connection to the SRNC. RRC connection setup is always initiated by the U
e RRC connection setup procedure when the NAS of the UE requests the establishment of a signaling
e from the UE, the Radio Resource Management (RRM) module of the RNC determines whether to aing the request, the RRM module further determines whether to set up the RRC connection on a Dedi
RRM algorithm. Typically, an RRC connection is set up on the DCH.
ge to the SRNC through the uplink CCCH(RACH), requesting the establishment of an RRC connection
e system resource status, the SRNC determines to set up the RRC connection on a DCH and allocate
nd L2 resources. Then the SRNC sends a RADIO LINK SETUP REQUEST message to the NodeB, re
connection.
NSE message to the SRNC after successfully preparing the resources.
r plane transport bearer and performs the synchronization between the SRNC and the NodeB. This pro
e to the UE through the downlink CCCH (FACH). The message contains the information about the DNBAP:Synchonization Indicator message to SRNC when the uplink enter "In-Sync" state
E message to the SRNC through the uplink Dedicated Control Channel (DCCH) that is just set up. Th
e set up (for instance, due to insufficient resources), it directly sends an RRC CONNECTION REJEC
p a PS session
request message to RNC. PDP Context Activation is performed when the UE initiates a packet call se
nsmitt and receive data while moving within a PLMN. and starts the PDP context activation procedure
nd a GGSN. PDP contexts deal with allocation of IP addresses to the UE and Quality of Service, QoS,
e the air interface connection. At the end the UE has an IP address NSAPI (Network layer Service Acc
allocated dynamically, this significantly reduces the total number of IP addresses required per PLMN.
can be useful when accesing secure networks that use the calling IP address as a form of security ch
or PLMN is used, it is the responsibility of the GGSN to allocate and release the dynamic PDP addres
uest (Service Type=Data) message. After the RR setup completion the UE asks for initial direct transf
he initial service request (Authentication and ciphering may performed depends on operator's setting)
TI(Teardown Indication), PDP Type, Address, APN (Access Point Name), QoS (Quality of Service) Re
ess to indicate whether it requires the use of a static PDP address or whether it requires the use of a do the RNC to establish a RABs
MA, RAB setup is done by the RAB Assignment procedure
to the SGSN
g PDP Type (optional), PDP Address, APN (Access Point Name (optional) provided by the UE and th
essage to the affected GGSN. Access Point Name shall be the APN Network Identifier of the APN. Th
service for this APN
nd generates a Charging Id. The new entry allows the GGSN to route PDP PDUs (Policy Decision Poin
ng
Identifier, NSAPI along with the GGSN address in its PDP context and informs the UE via RNC that th
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release the signaling connection and all radio bearers between UE and the UTRAN
judges whether the RRC connection carries any other RAB or the UE. If judging that the RRC conne
cedure.
the resouce occupied by the RRC connection,there are two types of RRC connection release procedu
C connection needs to be released after a successful outgoing call,, the RRC connection on the DCH
CCH is released)
sage to the UE through the DCCH.
EASE message several times to increase the probability of proper reception of the message by the UE
ion intervals are determined by the SRNC. If the SRNC does not receive an RRC CONNECTION REL
ONNECTION RELEASE message for four times, the SRNC judges that the UE has released the RRC
ETE messa e to the SRNC.
ease services and resources after a session ends.
text request message to RNC. A PDP Context Deactivation is performed when the UE terminates a p
ext deactivation procedure the state becomes Packet Mobility Management Connected.The RAB will
y a:UE procedure,SGSN procedure,GGSN procedure
rdown Indication) message to the SGSN via the RNC
SAPI, Teardown Indication) message to the GGSN. If Teardown Indication was included by the UE in
ciated with this PDP address by including Teardown Indication in the Delete PDP Context Request me
te PDP Context Response (TEID) message to the SGSN. The Delete PDP Context messages are se
message to the UE via the RNC
B Assignment procedureed. At GPRS detach, all PDP contexts for the UE are implicitly deactivated
S Negotiated, and returns an Activate PDP Context Accept message to the UE. The SGSN is now abl
s fo l lows:
e to the SRNC to initiate the RAB setup procedure.
ly) The SRNC maps the Quality of Service (QoS) parameters for the RAB to the AAL2 link characteristi
istic parameters,the ALCAP on the Iu interface initiates an Iu user plane transport bearer setup proced
REPARE message to the NodeB, requesting the NodeB to prepare for adding one or more DCHs to th
ends a RADIO LINKRECONFIGURATION READY message to the SRNC.
he Iub ALCAP at the SRNC initiates an Iub user plane transport bearer setup procedure. The NodeB
ization frames in the DCH frame protocol.
the UE.
OMMIT message to theNodeB.
ADIO BEARER SETUP COMPLETE message to the SRNC.
ssage to the CN. The RAB isset up.
bed as fo l lows:
e to the SRNC to initiate the RAB setup procedure.
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essage to the NodeB,requesting the NodeB to delete the radio link resources in the NodeB.
LINK DELETION RESPONSE message to the SRNC.
he SRNC uses the ALCAP protocol to initiate an Iub user plane transport bearer release procedure. T
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. One UE has a
connection When the
cept or reject the RRCated Channel
.
s the Radio
questing the NodeB to
cedure is optional. It
H allocated by the SRNC.
e message
message to
tup. The UE has the state Packet
used to set up and remove a
parameters. A Radio Access
ess Point Identifier) and a TLLI
upport of static IP address allocation
ck. The support of
.
r to the serving node. The RNC
quested, PDP Configuration
ynamic PDP address.
PDP context subscription
e GGSN may use Access Point
t Protocol Data Units) between
e PDP Context is Accepted. The
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tion does not carry other RAB
re: release of an RRC connection from
is released and if
. The RRC SNs of these messages are
EASE
connection.)
cket call. Before the
e released if there are no other
the Deactivate PDP Context Request
ssage
t over the backbone network
e to route PDP PDUs between
ic parameters and radio resource
ure.
e existing radio links for carrying the
nd the SRNC perform
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hen, the RRC connection release
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value=hex
value=hex
value=hex
value= Ori
va lue=(-24
>>"RRC Co
>>"Geog rap
RRC:RRC Connection Request (RACH)
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value= HS
value=hex
value=hex
value=hex
>>"RRC Co
>>"Geog rap
RRC:RRC Connection Setup (FACH)
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value=UE
value=UE
value=Sign
v alu e=Rad
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value=Sign
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value=Sign
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value=Sign
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v al ue=B LE
value=Max
value=(-48
value= use
value= use
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value=Spr
value=Spr
value=Prim
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value=Spr
Cell Identit
value= 000
>>"RRC CoRRC:RRC Connection Setup Complete (DCCH)
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value=sup
value= Chi
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value= sup
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value= sup
RRC: Initial Direct Transfer (GMM: Service Request)
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RANAP: GMM:Service Request
RRC: Security Mode Command
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RRC: Security Mode Complete
RRC: Uplink Direct Transfer (SM: Activate PDP Context Request)
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RANAP: SM: Activate PDP Context Request
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RRC: Radio Bearer Setup
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RRC: Radio Bearer Setup Complete
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RANAP: SM: Activate PDP Context Accept
RRC: Downlink Direct Transfer (SM: Activate PDP Context Accept)
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RRC: Physical Channel Reconfiguration (DCCH)
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RRC:Physical Channel Reconfiguration Complete (DCCH)
RRC: Uplink Direct Transfer (SM: Deactivate PDP Context Request)
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RANAP: SM: Deactivate PDP Context Request
RANAP: SM: Deactivate PDP Context Accept
RRC: Downlink Direct Transfer (SM: Deactivate PDP Context Accept)
RRC: Radio Bearer Release
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RRC: Radio Bearer Release Completed
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RRC: Downlink Direct Transfer (CC: RRC Connection Release)
RRC: Uplink Direct Transfer (CC: RRC Connection Release Complete)
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dec (4)=4 , hex 2dec (1)=1 ,hex2d ec(3)=3 --> MCC=413
dec (0)=0 , hex2d ec(1)=1 --> MNC=01
dec (7594)= 30100
inat ingBackgro undCal l (PS MOC)
+ (37/2))=-5.5 dB
nect ion Request Descr ipt ion"
hical and UTRAN Enti ty Ident i f iers"
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PA Release5
dec (4)=4 , hex 2dec (1)=1 ,hex2d ec(3)=3 --> MCC=413
dec (0)=0 , hex2d ec(1)=1 --> MNC=01
dec (7594)= 30100
nect ion Setup Descr ipt ion"
hical and UTRAN Enti ty Ident i f iers"
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apable to support FDD , not TDD
apable to supp ort GSM
al ing Radio B earer Informat ion Setup ,RB-1
io Bearer Mapping
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al ing Radio B earer Informat ion Setup ,RB-2
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al ing Radio B earer Informat ion Setup ,RB-3
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al ing Radio B earer Informat ion Setup ,RB-4
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R Target= -20 dB
AllowedULTxPow er=24 dBm
*2)= -96 dBm (step of 2 dB )
Default Constant DPCCH_Power_offset CPICH_RSCP
-22 -96 -80
-22 -96 -70
Note :DPCCH_Power_offset is configured by RNC and delivered t
Closed Loo p Power Cont ro l A lgor i thm1
long SC on Upl ink
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ading Factor 64 (Upl ink)
ading Factor 128 (Downl ink)
ary Scrambl ing cod e=30
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ading Factor 128 (Downl ink)
y=RNCid(12bits)+Cell id(16bits)
000000001 0001010100101111 => RNCid=bin2dec(000000000001)=1 an d Cellid=bin2dec(0001010100101111)=5
nect ion Setup Comp lete Descr ipt ion"
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ort GSM (Dual Mod e GSM<>UMTS)
er ing Algor i thm A5/3
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port Comp ressed Mode (CM) upl ink and dow nl ink
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por t HSDPA, UE Category 6
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>>"Radio Bearer Descript ion "
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value= SF16(uplin k)-> PS64
value= HSDPA Chann el Informat ion
value= h s-SCCH , Fixed SF 128 , Code No=4,5,6,7
In theory, one cell can configure up to 15 HS-SCCH. But now commercial UE can only monitor up to 4 H
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value= SF256(down l ink)
value= HSDPA Serving Cell 's Prim ary SC = 30
value= SF256(down l ink)
Cell Identi ty=RNCid(12bits)+Cell id(16bits)
value= 000000000001 0001010100101111 => RNCid=bin2dec(000000000001)=1 an d Cellid=bin2dec(00
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value= PrimarySC=30, no longer a HSDPA serv ing cel l ( HSDPA Serving Cel l Change)
(Old HSDPA's Serving Cell)
Cell Identi ty=RNCid(12bits)+Cell id(16bits)
value= 000000000001 0001010100101111 => RNCid=bin2dec(000000000001)=1 an d Cellid=bin2dec(00
value= PrimarySC=9 is a n ew HSDPA serv ing cel l ( HSDPA Serving Cel l Change)
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(New HSDPA's Serving Cell)
Cell Identi ty=RNCid(12bits)+Cell id(16bits)
value= 000000000001 0001000111011100 => RNCid=bin2dec(000000000001)=1 an d Cellid=bin2dec(00
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PCPICH Power UL Interference UL DPCCH Initial Power
33 -107 -16
33 -107 -26
UE in RRC Connection Setup.
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423
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S-SCCH channels simultaneously. So one cell only configure up to 4 HS-SCCH channels
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01010100101111)=5423
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01010100101111)=5423
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1000111011100)=4572
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Click to return to main page
2.NBAP:Radio Link Setup Req
3.NBAP:Radio Link Setup Resp.
RRC Connection Establishment Timing
7.NBAP:Synchonization Indicator
NBAP: Radio Link Reconfiguration
Prepare
NBAP: Radio Link Reconfiguration
Ready
RRC: Security Mode Completed
RRC: Uplink Direct Transfer (SM: Activate PDP Context Request)
L3 Messages - PS(HSUPA)
4.ALCAP: Iub User Plane Setup
Start Rx
Start Tx
1.RRC: RRC Connection Request (RACH)
S-
8.RRC: RRC Connection Setup Completed (DCH)
L1 Syncho nization
UE NodeB
RRC: Initial Direct Transfer (GMM: Service Request)
RRC: Security Mode Command
5.RRC: RRC Connection Setup (FACH)
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NBAP: Radio Link Reconfiguration
Commit
NBAP: Radio Link Reconfiguration
Prepare
NBAP: Radio Link Reconfiguration
Ready
NBAP: Radio Link ReconfigurationCommit
NBAP: Radio Link Reconfiguration
Prepare
NBAP: Radio Link Reconfiguration
Ready
PS Session Establ is
RRC:Measurement Report (e1d)
Apply new transport format set
RRC: Uplink Direct Transfer (SM: Deactivate PDP Context Request)
RRC: Downlink Direct Transfer (SM: Deactivate PDP Context Accept)
RRC:Physical Channel Reconfiguration Complete (DCCH)
RRC: Radio Bearer Setup Complete
RRC: Downlink Direct Transfer (SM: Activate PDP Context Accept)
RRC:Measurement Control
RRC: Physical Channel Reconfiguration (DCCH)
ALCAP: Iub User Plane Setup
RRC: Radio Bearer Setup
ALCAP: Iub User Plane Setup
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: a o n econ gurat on
Commit
NBAP: Radio Link Deletion
Request
NBAP: Radio Link Deletion
Response
RRC: Uplink Direct Transfer (CC: RRC Connection Release Complete)
RRC: Radio Bearer Release Completed
ALCAP: Iub User Plane Release
ALCAP: Iub User Plane Setup
RRC: Uplink Direct Transfer (CC: RRC Connection Release Complete)
RRC: Radio Bearer Release
RRC: Downlink Direct Transfer (CC: RRC Connection Release)
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RANAP: GMM:Service Request
RANAP: Security Mode Command
RANAP: Security Mode Complete
RANAP: Common ID(IMSI)
RANAP: SM: Activate PDP Context Request
RANAP: RAB Assignment Request
ALCAP : Iu User Plane Setup
>>RRC Proc
all Procedure
NC CN
1.RRC C
2.PS Se
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RANAP: RAB Assignment Response
RANAP: SM: Activate PDP Context Accept
RANAP: SM: Deactivate PDP Context Request
RANAP: SM: Deactivate PDP Context Accept
ed
HSPA's S
3. Radio
4. Downl
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RANAP: Iu Release Command
RANAP: Iu Release Complete
ALCAP: Iu User Plane Release
5.PS Se
6.RRC
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RRC connection setup procedure is performed for the
maximum of one RRC connection at a time.
Triggering Conditions : The UE in idle mode intitiates th
SRNC receives an RRC CONNECTION REQUEST messagconnection request, based on a specific algorithm. If accept
(DCH)or on a Common Channel (CCH),based on a specific
The procedure shown is descr ibed as fo l lows:
1.The UE sends an RRC CONNECTION REQUEST messa
2.Based on the cause in the RRC connection request and th
NetworkTemporary Identity(RNTI),radio resources, and L1 a
allocate the specific radio link resources required for an RR
3.The NodeB responds with a RADIO LINK SETUP RESPO
4.The SRNC uses the ALCAP protocol to set up the Iub use
is required for the ATM-based Iub interface only.
5.The SRNC sends an RRC CONNECTION SETUP messa6. UE and NodeB initiate L1 Synchronization. NodeB sends
7. The UE sends an RRC CONNECTION SETUP COMPLE
indicates that the RRC connection setup procedure ends.
If the RNC judges that the RRC connection request cannot
edure Description
The PS Session Setup procedure is performed to set
Triggering Conditions: The UE send Activate PDP context
Mobility Management Connected that enables the user to tr
virtual data channel between a terminal connected to a UE a
bearer establishes on request of the SGSN in order to realiz
(Temporary Logical Link Identity) associated to IMSI.
IP addresses can be allocated dynamically or statistically. If
enables subscribers to provide their own IP addresses. This
QoS enables the operator to differentiate GPRS services.
When dynamic addressing from the home PLMN or the Visi
The procedure shown is descr ibed as fo l lows:
1. The UE initiates the PS Session by using the Service Req
sets-up an SCCP connection with the SGSN and transfers t
2 .The UE sends an Activate PDP Context Request (NSAPI,
Options) message to the SGSN The UE shall use PDP Add3. The SGSN sends a RAB Assignment Request message t
4.The RNC establishes the appropriate radio bearer In WC
5.The RNC returns a RAB Assignment Response message
6. The SGSN validates the active PDP Context Request usi
records.The SGSN sends a Create PDP Context Request
Name to find an external network and optionally to activate
7. The GGSN creates a new entry in its PDP context table a
the SGSN and the external PDP network, and to start chargi
8.The SGSN inserts the Network layer Service Access Point
onnection Establishment
ssion Setup
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The RRC Connection Release procedure is performed to
Triggering Conditions: After a n RAB is released,the SRN
of the UE,the SRNC initiates an RRC connection release pr
The procedure shown is descr ibed as fo l lows: based on
DCH and release of an RRC connection from CCH (If an R
a radio bearers fails to be setup ,the RRC connection on th
1.The SRNC sends an RRC CONNECTION RELEASE mes
(NOTE: The SRNC may send the RRC CONNECTION REL
the same. The number of retransmissions and the transmis
COMPLETE message from the UE after sending the RRC
2.The UE sends an RRC CONNECTION RELEASE COMP
The PS session release procedure is performed to rel
Triggering Conditions : The UE send Deactivate PDP co
deactivation,the UE has the state Active. After the PDP Con
PDP contexts activated.PDP Deactivation may be initiated b
The procedure shown is described as follows:
1.The UE sends a Deactivate PDP Context Request (TI, Te
2.The SGSN sends a Delete PDP Context Request (TEID,
message, then the SGSN deactivates all PDP contexts asso
3.The GGSN removes the PDP context(s) and returns a del
4.The SGSN returns a Deactivate PDP Context Accept (TI)
5. In Iu mode, radio access bearer release is done by the R6. The SCCP connection between RNC and SGSN is releas
SGSN selects Radio Priority and Packet flow Id based on Q
theGGSN and the UE and to start charging
The Radio Bearer Setup proc edure show n is described
1.The CN sends an RAB ASSIGNMENT REQUEST messa
2.(Optional; applicable to the ATM-based Iu-CS interface on
characteristic parameters. Based on the AAL2 link characte
3.The SRNC sends a RADIO LINK RECONFIGURATION PRAB.
4.The NodeB allocates the associated resources and then s
5.(Optional; required for the ATM-based Iub interface only)
synchronization by exchanging uplink and downlink synchro
6.The SRNC sends a RADIO BEARER SETUP message to
7.The SRNC sends a RADIO LINK RECONFIGURATION C
8.After performing the radio bearer setup, the UE sends a R
9.The SRNC sends an RAB ASSIGNMENT RESPONSE m
The p r ocedu re when RAB Setup Fai lu re shown is desc r
1.The CN sends an RAB ASSIGNMENT REQUEST messa
rving Cell Change
earer Setup
ink and Uplink Data Transfer
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3.The SRNC sends a RADIO LINK DELETION REQUEST
4.After releasing the resources, the NodeB sends a RADIO
5.(Optional; required for the ATM-based Iub interface only)
procedure ends.
sion Release
onnection Release
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UE to set up a signaling connection to the SRNC. RRC connection setup is always initiated by the U
e RRC connection setup procedure when the NAS of the UE requests the establishment of a signaling
e from the UE, the Radio Resource Management (RRM) module of the RNC determines whether to aing the request, the RRM module further determines whether to set up the RRC connection on a Dedi
RRM algorithm. Typically, an RRC connection is set up on the DCH.
ge to the SRNC through the uplink CCCH(RACH), requesting the establishment of an RRC connection
e system resource status, the SRNC determines to set up the RRC connection on a DCH and allocate
nd L2 resources. Then the SRNC sends a RADIO LINK SETUP REQUEST message to the NodeB, re
connection.
NSE message to the SRNC after successfully preparing the resources.
r plane transport bearer and performs the synchronization between the SRNC and the NodeB. This pro
e to the UE through the downlink CCCH (FACH). The message contains the information about the DNBAP:Synchonization Indicator message to SRNC when the uplink enter "In-Sync" state
E message to the SRNC through the uplink Dedicated Control Channel (DCCH) that is just set up. Th
e set up (for instance, due to insufficient resources), it directly sends an RRC CONNECTION REJEC
p a PS session
request message to RNC. PDP Context Activation is performed when the UE initiates a packet call se
nsmitt and receive data while moving within a PLMN. and starts the PDP context activation procedure
nd a GGSN. PDP contexts deal with allocation of IP addresses to the UE and Quality of Service, QoS,
e the air interface connection. At the end the UE has an IP address NSAPI (Network layer Service Acc
allocated dynamically, this significantly reduces the total number of IP addresses required per PLMN.
can be useful when accesing secure networks that use the calling IP address as a form of security ch
or PLMN is used, it is the responsibility of the GGSN to allocate and release the dynamic PDP addres
uest (Service Type=Data) message. After the RR setup completion the UE asks for initial direct transf
he initial service request (Authentication and ciphering may performed depends on operator's setting)
TI(Teardown Indication), PDP Type, Address, APN (Access Point Name), QoS (Quality of Service) Re
ess to indicate whether it requires the use of a static PDP address or whether it requires the use of a do the RNC to establish a RABs
MA, RAB setup is done by the RAB Assignment procedure
to the SGSN
g PDP Type (optional), PDP Address, APN (Access Point Name (optional) provided by the UE and th
essage to the affected GGSN. Access Point Name shall be the APN Network Identifier of the APN. Th
service for this APN
nd generates a Charging Id. The new entry allows the GGSN to route PDP PDUs (Policy Decision Poin
ng
Identifier, NSAPI along with the GGSN address in its PDP context and informs the UE via RNC that th
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release the signaling connection and all radio bearers between UE and the UTRAN
judges whether the RRC connection carries any other RAB or the UE. If judging that the RRC conne
cedure.
the resouce occupied by the RRC connection,there are two types of RRC connection release procedu
C connection needs to be released after a successful outgoing call,, the RRC connection on the DCH
CCH is released)
sage to the UE through the DCCH.
EASE message several times to increase the probability of proper reception of the message by the UE
ion intervals are determined by the SRNC. If the SRNC does not receive an RRC CONNECTION REL
ONNECTION RELEASE message for four times, the SRNC judges that the UE has released the RRC
ETE messa e to the SRNC.
ease services and resources after a session ends.
text request message to RNC. A PDP Context Deactivation is performed when the UE terminates a p
ext deactivation procedure the state becomes Packet Mobility Management Connected.The RAB will
y a:UE procedure,SGSN procedure,GGSN procedure
rdown Indication) message to the SGSN via the RNC
SAPI, Teardown Indication) message to the GGSN. If Teardown Indication was included by the UE in
ciated with this PDP address by including Teardown Indication in the Delete PDP Context Request me
te PDP Context Response (TEID) message to the SGSN. The Delete PDP Context messages are se
message to the UE via the RNC
B Assignment procedureed. At GPRS detach, all PDP contexts for the UE are implicitly deactivated
S Negotiated, and returns an Activate PDP Context Accept message to the UE. The SGSN is now abl
s fo l lows:
e to the SRNC to initiate the RAB setup procedure.
ly) The SRNC maps the Quality of Service (QoS) parameters for the RAB to the AAL2 link characteristi
istic parameters,the ALCAP on the Iu interface initiates an Iu user plane transport bearer setup proced
REPARE message to the NodeB, requesting the NodeB to prepare for adding one or more DCHs to th
ends a RADIO LINKRECONFIGURATION READY message to the SRNC.
he Iub ALCAP at the SRNC initiates an Iub user plane transport bearer setup procedure. The NodeB
ization frames in the DCH frame protocol.
the UE.
OMMIT message to theNodeB.
ADIO BEARER SETUP COMPLETE message to the SRNC.
ssage to the CN. The RAB isset up.
bed as fo l lows:
e to the SRNC to initiate the RAB setup procedure.
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essage to the NodeB,requesting the NodeB to delete the radio link resources in the NodeB.
LINK DELETION RESPONSE message to the SRNC.
he SRNC uses the ALCAP protocol to initiate an Iub user plane transport bearer release procedure. T
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. One UE has a
connection When the
cept or reject the RRCated Channel
.
s the Radio
questing the NodeB to
cedure is optional. It
H allocated by the SRNC.
e message
message to
tup. The UE has the state Packet
used to set up and remove a
parameters. A Radio Access
ess Point Identifier) and a TLLI
upport of static IP address allocation
ck. The support of
.
r to the serving node. The RNC
quested, PDP Configuration
ynamic PDP address.
PDP context subscription
e GGSN may use Access Point
t Protocol Data Units) between
e PDP Context is Accepted. The
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tion does not carry other RAB
re: release of an RRC connection from
is released and if
. The RRC SNs of these messages are
EASE
connection.)
cket call. Before the
e released if there are no other
the Deactivate PDP Context Request
ssage
t over the backbone network
e to route PDP PDUs between
ic parameters and radio resource
ure.
e existing radio links for carrying the
nd the SRNC perform
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hen, the RRC connection release
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Click to return to main page
value=hex
value=hex
value=hex
value= Ori
va lue=(-24
value=Prim
va lue=(-24
RRC:RRC Connection Request (RACH) >>"RRC Co
>>"Geog rap
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value= HS
value= UE
value=hex
value=hex
value=hex
>>"Geog rap
RRC:RRC Connection Setup (FACH) >>"RRC Co
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value=UE
value=Sign
v alu e=Rad
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value=Sign
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value=Sign
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value=Sign
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v al ue=B LE
value=Max
value=(-47
value= use
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value= use
value=Spr
value=Spr
value=Prim
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value=Spr
Cell Identit
value= 000
RRC:RRC Connection Setup Complete (DCCH)
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value= not
value= Chi
value= sup
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value= sup
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RRC: Initial Direct Transfer (GMM: Service Request)
RANAP: GMM:Service Request
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RRC: Security Mode Command
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RRC: Security Mode Complete
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RRC: Uplink Direct Transfer (SM: Activate PDP Context Request)
RANAP: SM: Activate PDP Context Request
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RRC: Radio Bearer Setup
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RRC: Radio Bearer Setup Complete
RANAP: SM: Activate PDP Context Accept
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RRC: Downlink Direct Transfer (SM: Activate PDP Context Accept)
RRC: Physical Channel Reconfiguration (DCCH)
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RRC:Physical Channel Reconfiguration Complete (DCCH)
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RANAP: SM: Deactivate PDP Context Accept
RRC: Downlink Direct Transfer (SM: Deactivate PDP Context Accept)
RRC: Uplink Direct Transfer (SM: Deactivate PDP Context Request)
RANAP: SM: Deactivate PDP Context Request
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RRC: Radio Bearer Release
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RRC: Radio Bearer Release Completed
RRC: Downlink Direct Transfer (CC: RRC Connection Release)
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RRC: Uplink Direct Transfer (CC: RRC Connection Release Complete)
RRC:Measurement Report (e1d)
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RRC:Measurement Control
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dec (5)=5 , hex 2dec (2)=2 ,hex2d ec(0)=0 --> MCC=520
dec (9)=9 , hex2d ec(9)=9 --> MNC=99
dec(03EA)= 1002
inat ingBackgro undCal l (PS MOC)
+ (39/2))=-4.5 dB
ary Scrambl ing Code=60 ( Neighbour 's SC)
+ (37/2))=-5.5 dB
nect ion Request Descr ipt ion"
hical and UTRAN Enti ty Ident i f iers"
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A Release6
supp ort HSDPA and E-DCH (HSUPA)
dec (5)=5 , hex 2dec (2)=2 ,hex2d ec(0)=0 --> MCC=520
dec (9)=9 , hex2d ec(9)=9 --> MNC=99
dec(03EA)= 1002
hical and UTRAN Enti ty Ident i f iers"
nect ion Setup Descr ipt ion"
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apable to support FDD , not TDD
al ing Radio B earer Informat ion Setup ,RB-1
io Bearer Mapping
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al ing Radio B earer Informat ion Setup ,RB-2
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al ing Radio B earer Informat ion Setup ,RB-3
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al ing Radio B earer Informat ion Setup ,RB-4
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R Target= -20 dB
AllowedULTxPow er=24 dBm
*2)= -94 dBm (step of 2 dB )
Default Constant CCH_Power_off CPICH_RSCP
Closed Loop Power Cont ro l A lgor i thm1 -22 -94 -80
-22 -94 -70
Note :DPCCH_Power_offset is configured by RNC and deliver
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long SC on Upl ink
ading Factor 64 (Upl ink)
ading Factor 128 (Downl ink)
ary Scrambl ing cod e=60
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ading Factor 128 (Downl ink)
y=RNCid(12bits)+Cell id(16bits)
001100110 0000010100101001 => RNCid=bin2dec(000001100110)=102 an d Cellid=bin2dec(0000010100101001)=132
>>"RRC Connect ion Setup Com plete Descr ipt ion"
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supp ort GSM (Locked UMTS Mode)
er ing Algor i thm A5/3
port Comp ressed Mode (CM) upl ink and dow nl ink
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por t HSDPA, UE Category 8
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>>"Radio Bearer Descript ion "
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value= Uplink e-DPDCH (HSUPA) chan nel infor matio n
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value= Downl ink HS-PDSCH chann el informat ion
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value= HSDPA and HSUPA Serving Cell 's Primary SC = 68
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value= PrimarySC=68, no longer a HSDPA & HSUPA serv ing cel l ( HSPA Serving Cel l Change)
value= PrimarySC=60 is a new HSDPA&HSUPA serv ing cel l ( HSPA Serving Cel l Change)
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PCPICH Power UL Interference CCH Initial Power
33 -105 -14
33 -105 -24
ed to UE in RRC Connection Setup.
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1
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Click to return to main page
"or"
Intra-Frequency Soft Hando ver w ithin NodeB(Softer-
RRC:Measurement Control
RRC:Measurement Control
RRC:Measurement Report (e1b)
RRC:Measurement Report (e1c)
1.RRC: Active Set Update (DCCH)
2. RRC: Active Set Update Complete (DCCH)
1.RRC: Active Set Update (DCCH)
2. RRC: Active Set Update Complete (DCCH)
UE NodeB1
RRC:Measurement Report (e1a)
L3 Messages - Intra-Frequency Soft Handover Pr
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*Source
"or"
RRC:Measurement Report (e1b)
2. RRC: Active Set Update Complete (DCCH)
RRC:Measurement Report (e1c)
1.RRC: Active Set Update (DCCH)
2. RRC: Active Set Update Complete (DCCH)
RRC:Measurement Control
RRC:Measurement Report (e1a)
1.RRC: Active Set Update (DCCH)
L3 Messages - Intra-Frequency Soft Handover Pr
UE NodeB1 NodeB2
RRC:Measurement Control
Intra-Frequency Soft Handover b etween NodeBs in a
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*Target
"or"
2.NBAP:Radio Link Setup Request
L3 Messages - Intra-Frequency
RRC:Measurement R
RRC:Measuremen
Note: the following information about the procedure ,
1. During the handover, NodeB 1 is the source NodeB and NodeB 2 is the target NodeB.
2.If IP transport is applied to the Iub interface, no ALCAP procedure is performed on the Iubinterface
after radio links are set up or deleted.
UE D-RNC
In tra-Frequen cy So ft Hando
NodeB2
RRC:Measurement R
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3.NBAP:Radio Link Setup Response
1.QAAL2 Establish Request
2.QAAL2 Establish Confirm
1.NBAP:Radio Link Restore Indication
NBAP:Radio Link Deletion Req
NBAP:Radio Link Deletion Resp
QAAL2 Release Request
QAAL2 Release Confirm
RRC:Measurement R
2.RRC: Active Set Update
ALCAP: Iub User Plane Release
1.RRC: Active Set Up
RRC:Measuremen
ALCAP: Iub User Plane Setup
1.RRC: Active Set Up
2. RRC: Active Set Update
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Note : the following information about the procedure ,
1.During the handover, NodeB 1 is the source NodeB and NodeB 2 is the target NodeB.
2. If IP transport is applied to the Iub interface, no ALCAP procedure is performed on the Iub
interface after radio links are set up or deleted.
3.If IP transport is applied to the Iur interface, no ALCAP procedure is performed on the Iurinterface
after radio links are set up or deleted.
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1.NBAP:Radio Link Setup Req
2.NBAP:Radio Link Setup Resp
1.NBAP:Radio Link Deletion Req
2.NBAP:Radio Link Deletion Resp
Measurem
changed, t
Measurem
the results
HO)
The activ
Triggerin
The proce
1.The SRNdeleted, th
2.The UE
message.
3.The UE
-lf adding
Link Contr
-If the AC
Radio Lin
Decision todelete old
radio link
Radio Lin
Triggering
The proce
1.The CR
the new ra2.The Nod
-If all the r
andsends
-If any rad
Decision to
setup new
radio link
Radio Li
Triggerin
The proce
1.The CR
2.The Nod
-If the radi
-If the radi
>>Intra-Frequency SHO Algorithm and related parameters (Modu
S-RNC
cedure
Radio Link A ddi t ion
Radio Link Deletion
Measurement Contro l
& Measurement Report
Measurement Contro l
& Measurement Report
Activ e Set Update
Act ive Set Update
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*Target
1.NBAP:Radio Link Setup Req
2.NBAP:Radio Link Setup Resp
QAAL2 Establish Request
QAAL2 Establish Confirm
NBAP:Radio Link Restore Indication
1.NBAP:Radio Link Deletion Req
Measurem
changed, t
Measuremthe results
The Iub u
Triggering
1. The co
2. The dedThe proce
1.The CR
2.The Nod
-If the Iub
-If an Iub
The activ
Triggerin
The proce
1.The SRN
deleted th
The radio
Triggering
The proce
1.The CR
new radio l
2.The Nod-If the radi
RADIOLIN
-If the radi
cedure
S-RNC
Decision to
delete old
radio link
ALCAP: Iub User Plane Setup
The radio
synchroniz
Triggering
After perfo
Decision to
setup new
radio link
RNC
Radio Link Setup
Act ive Set Update
Radio Link Deletion
Iub user plane Setup
Iub radio l ink restore Indic ation
Measurement Contro l
& Measurement Report
Measurement Contro l
& Measurement Report
Activ e Set Update
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2.NBAP:Radio Link Deletion Resp
QAAL2 Release Request
QAAL2 Release Confirm
Click to ret
*Target *Source
Decision
to setup
new radio
link
ALCAP: Iub User Plane Release
Radio Li
Triggerin
The proce
1.The CR
2.The Nod
-If the radi
-If the radi
NodeB1
oft Handover Procedure
eport (e1c)
t Control
The Iub u
Triggerin
The proce
1.The CR
2.The Nod
-If the Iub
-lf an Iub
ver between RNCs
2.The UE
message.
3.The UE
-lf adding
Link Contr
-If the AC
Radio Lin
eport (e1a)
1.RNSAP:Radio Link Setup Request
S-RNC
Iub us er plane release
Measur
& Meas
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Decision
to delete
old radio
link
eport (e1b)
omplete (DCCH)
ate (DCCH)
t Control
2.QAAL2 Establish Confirm
2.RNSAP:Radio Link Restore Indication
4.RNSAP:Radio Link Setup Response
ate (DCCH)
1.QAAL2 Establish Request
ALCAP: Iur User Plane Setup
omplete (DCCH)
1.RNSAP:Radio Link Deletion Req
Act ive
Iu b us e
Iur Radio
Iur user
Iub Rad
Act ive
Measur
& Meas
Iu b u serelease
Rad io L
Radio
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ALCAP: Iur User Plane Release
QAAL2 Release Request
QAAL2 Release Confirm
2.NBAP:Radio Link Deletion Resp
Iu r us
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ent Control: is used to notify the UE of the objects to be measured, neighbor cell list, report method, and event
e RNC notifies the UE of new conditions.
ent Report: the UE continue measure the radio link condition of serving and neighbour cell and when the mea
to the RNC as an event. The Measurement report is also can be sent in periodic mode.
e set update procedure is performed to update the active set of radio links between theUE and the UTRAN.
Conditions: The active set update procedure can be triggered in either of the following conditions: Radio link
dure is descr ibed as fo l lows:
C sends an ACTIVE SET UPDATE message to the UE. If a radio link needs to be added, the message indicatemessage indicates radio link deletion.
dds or deletes the radio links according to the Radio Link Addition Informationor Radio Link Removal Informatio
ends a response message to the SRNC.
or deleting the radio links successfully, the UE sends an ACTIVE SETUPDATE COMPLETE message on th
l (RLC).
IVE SET UPDATE message contains the configuration not supported by the UE or if the active set does
Removal Information IE, the UE sends an ACTIVE SET UPDATE FAILURE message.
Addition Procedure is performed to add one or more radio links towards a UE.
Conditions: The CRNC sends a RADIO LINK ADDITION REQUEST message.
dure of rad io l ink setup is descr ibed as fo l lows:
C sends a RADIO LINK ADDITION REQUEST message to the NodeB. After receiving the message, the Node
io link or links according to the parameters given in the message. B sends a response message to the CRNC.
equested radio links are added, the NodeB saves the value of the Configuration Generation ID IE contained i
RADIO LINK ADDITION RESPONSE message.
io link fails to be added, the NodeB sends a RADIO LINK ADDITION FAILURE message. The message conta
k Deletion Procedure is performed to release resources in a NodeB for one or more established radio links
Conditions: The CRNC sends a RADIO LINK DELETION REQUEST message.
dure of rad io l ink delet ion is descr ibed as fo l lows:
C sends a RADIO LINK SETUP REQUEST message to the NodeB. After receiving the message, the NodeB d
eB sends a response message to the CRNC.
o link are deleted, the NodeB sends a RADIO LINK DELETION RESPONSE message.
o link fails to be deleted, the NodeB sends a RADIO LINK DELETION RESPONSE message. The message c
le II)
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ent Control: is used to notify the UE of the objects to be measured, neighbor cell list, report method, and event
e RNC notifies the UE of new conditions.
ent Report: the UE continue measure the radio link condition of serving and neighbour cell and when the meato the RNC as an event. The Measurement report is also can be sent in periodic mode.
er plane setup procedure is performed to set up bearers for data transmission on the Iub interface
Conditions: The Iub user plane setup procedure can be triggered in one of the following conditions:
mon transport channels are setup
icated transport channels are setupdure is descr ibed as fo l lows:
C uses the ALCAP protocol to send a QAAL2 ESTABLISH REQUEST messageto the NodeB.
B uses the ALCAP protocol to send a response message to the CRNC.
data transport bearers are set up, the NodeB sends a QAAL2 ESTABLISH CONFIRM message.
ata transport bearer fails to be set up, the NodeB sends a QAAL2 ESTABLISH RELEASE CONFIRM mess
e set update procedure is performed to update the active set of radio links between theUE and the UTRAN.
Conditions: The active set update procedure can be triggered in either of the following conditions: Radio link
dure is descr ibed as fo l lows:
C sends an ACTIVE SET UPDATE message to the UE. If a radio link needs to be added, the message indicate
messa e indicates radio link deletion.
link setup procedure (intra-RNC handover or GSM to WCDMA CS handover) is performed to set up a radio
Conditions: The CRNC sends a RADIO LINK SETUP REQUEST message.
dure of rad io l ink setup is descr ibed as fo l lows:
C sends a RADIO LINK SETUP REQUEST message to the NodeB. After receiving the message, the NodeB re
ink according to the parameters given in the message.
B sends a response message to the CRNC.o link is set up, the NodeB saves the value of the Configuration Generation ID IE contained in the RADIO LIN
K SETUP RESPONSE message.
o link fails to be set up, the NodeB sends a RADIO LINK SETUP FAILURE message. The message contains
link restoration procedure (intra-RNC handover or GSM to WCDMA CS handover) is performed for a Nod
ation of one or more radio links is achieved or re-achieved
Conditions: The nodeB detect UL signals from the UE. That is ,the NodeB finishs UL synchronization with the
rming UL synchronization with the UE, the NodeB sends a RADIO LINK RESTORE INDICATION message to th
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The radio link setup procedure for inter-RNC handover is performed to
Triggering Conditions: The SRNC sends a RADIO LINK SETUP REQU
The procedure is descr ibed as fo l lows:
1.The SRNC sends a RADIO LINK SETUP REQUEST message to the DR
2.The DRNC sends a RADIO LINK SETUP REQUEST message to the tar
3.The NodeB reserves the necessary resources and configures the new ra
k Deletion Procedure is performed to release resources in a NodeB for one or more established radio links
Conditions: The CRNC sends a RADIO LINK DELETION REQUEST message.
dure of rad io l ink delet ion is descr ibed as fo l lows:
C sends a RADIO LINK SETUP REQUEST message to the NodeB. After receiving the message, the NodeB d
eB sends a response message to the CRNC.
o link are deleted, the NodeB sends a RADIO LINK DELETION RESPONSE message.
o link fails to be deleted, the NodeB sends a RADIO LINK DELETION RESPONSE message. The message c
ser plane release procedure is performed to release data transport bearers from the Iub interface.
Conditions: The transport channels on the Iub user plane need to be removed
dure is descr ibed as fo l lows:
C uses the ALCAP protocol to send a QAAL2 RELEASE REQUEST messageto the NodeB.
eB uses the ALCAP protocol to send a response message to the CRNC.
data transport bearers are released, the NodeB sends a QAAL2 RELEASE CONFIRM message to confirm th
ata transport bearer fails to be released, the NodeB sends a QAAL2 RELEASECONFIRM message that indi
dds or deletes the radio links according to the Radio Link Addition Informationor Radio Link Removal Informatio
ends a response message to the SRNC.
or deleting the radio links successfully, the UE sends an ACTIVE SETUPDATE COMPLETE message on th
l (RLC).
IVE SET UPDATE message contains the configuration not supported by the UE or if the active set does
Removal Information IE, the UE sends an ACTIVE SET UPDATE FAILURE message.
Measurement Control: is used to notify the UE of the objects to be meas
changed, the RNC notifies the UE of new conditions.
Measurement Report: the UE continue measure the radio link condition o
results to the RNC as an event. The Measurement report is also can be seement Contro l
urement Report
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The Iur user plane setup procedure is performed to set up bearers for d
Triggering Conditons: The DCHs are set up
The procedure is descr ibed as fo l lows:
1.The SRNC uses the ALCAP protocol to send a QAAL2 ESTABLISH RE
2.The DRNC uses the ALCAP protocol to send a response message to the
-If the Iur data transport bearers are set up, the DRNC sends a QAAL2
-If an Iur data transport bearer fails to be set up, the DRNC sends a Q
The active set update procedure is performed to update the active set of
Triggering Conditions: The active set update procedure can be triggered
The procedure is descr ibed as fo l lows:
1.The SRNC sends an ACTIVE SET UPDATE message to the UE. If a rad
themessage indicates radio link deletion.
4.The NodeB reports the radio link setup result to the DRNC
-If the radio link is set up, the NodeB saves the value of the Configuratio
SETUP RESPONSE message.
-If the radio link fails to be set up , the NodeB sends a RADIO LINK SET
5.The DRNC reports the radio link setup result to the SRNC
-If the radio link is set up, the DRNC sends a RADIO LINK SETUP RES
-If the radio link fails to be set up, the DRNC sends a RADIO LINK SET
The Iub user plane setup procedure is performed to set up bearers for d
Triggering Conditions: The Iub user plane setup procedure can be tri
1. The common transport channels are setup
2. The dedicated transport channels are setup
The procedure is descr ibed as fo l lows:
1.The CRNC uses the ALCAP protocol to send a QAAL2 ESTABLISH RE
2.The NodeB uses the ALCAP protocol to send a response message to th
-If the Iub data transport bearers are set up, the NodeB sends a QAAL2-If an Iub data transport bearer fails to be set up , the NodeB sends a Q
The radio link restoration procedure for inter-RNC handover is perfor
achieved or re-achieved.
Triggering Conditons: The NodeB detects UL signals from the UE. That i
The procedure is descr ibed as fo l lows:
1.After performing UL synchronization with the UE, the NodeB sends a RA
2.The DRNC sends a RADIO LINK RESTORE INDICATION message to t
et Update
plane Setup
Link Restore Indication
plane Setup
io Link Restore Indication
et Update
ement Contro l
urement Report
r plane
ink Setup
Link Deletion
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. e a s or e e es e ra o n s accor ng o e a o n
3.The UE sends a response message to the SRNC.
-lf adding or deleting the radio links successfully, the UE sends an AC
Control (RLC).
-If the ACTIVE SET UPDATE message contains the configuration not
Link Removal Information IE, the UE sends an ACTIVE SET UPDATE F
The radio link deletion procedure is performed to release resources in a
Triggering Conditions: The CRNC sends a RADIO LINK DELETION RE
The procedure is descr ibed as fo l lows:
1.The CRNC sends a RADIO LINK DELETION REQUEST message to the
2.The NodeB sends a response message to the CRNC.
-If all the radio links are deleted, the NodeB sends a RADIO LINK DELE
-If any radio link fails to be deleted, the NodeB sends a RADIO LINK DE
cause.
The Iub user plane release procedure is performed to release data trans
Triggering Conditions: The transport channels on the Iub user plane nee
The procedure is descr ibed as fo l lows:
1.The CRNC uses the ALCAP protocol to send a QAAL2 RELEASE REQU
2.The NodeB uses the ALCAP protocol to send a response message to th
-If the Iub data transport bearers are released, the NodeB sends a QAA
-If an Iub data transport bearer fails to be released, the NodeB sends a
The Iur user plane release procedure is performed to releaseto release
Triggering Conditions: The transport channels on the Iub user plane nee
The procedure is descr ibed as fo l lows:
1.The CRNC uses the ALCAP protocol to send a QAAL2 RELEASE REQU
2.The NodeB uses the ALCAP protocol to send a response message to th
-If the Iub data transport bearers are released, the NodeB sends a QAA
-If an Iub data transport bearer fails to be released, the NodeB sends a
r plane release
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parameters.When measurement conditions are
urement reporting criterias are met, the UE reports
ddition or Radio link deletion
s radio link addition. If a radio link needs to be
n IE contained in the ACTIVE SET UPDATE
e DCCH by using Acknowledged Mode (AM)Radio
not contain the radio links specified by the
reserves the necessary resources and configures
the RADIO LINK ADDITION REQUEST message
ins the failure cause in the Cause IE.
towards a UE
letes the radio links specified by the message
ontains the failure cause.
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s
parameters.When measurement conditions are
urement reporting criterias are met, the UE reports
ge.
ddition or Radio link deletion
s radio link addition. If a radio link needs to be
link in an SRNC-controlled NodeB for a UE
serves the necessary resources and configures the
SETUP REQUEST message and sends a
the failure cause.
B to notify the CRNC that the uplink
UE
e CRNC.
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set up a radio link in a DRNC-controlled NodeB for a UE
ST message
NC.
et NodeB.
dio link accordingto the parameters given in the message.
towards a UE
letes the radio links specified by the message
ontains the failure cause.
e release.
cates the failure cause
n IE contained in the ACTIVE SET UPDATE
e DCCH by using Acknowledged Mode (AM)Radio
not contain the radio links specified by the
red, neighbor cell list, report method, and event parameters.When measurement conditions are
f serving and neighbour cell and when the measurement reporting criterias are met, the UE reports the
nt in periodic mode.
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ta transmission on the Iur interface
UEST messageto the DRNC.
SRNC.
ESTABLISHCONFIRM message.
AL2 ESTABLISHRELEASE CONFIRM message.
radio links between the UE and the UTRAN.
in either of the following conditions: Radio link addition or Radio link deletion
io link needs to be added, the message indicates radio link addition. If a radio link needs to be deleted,
GenerationID IE contained in the RADIO LINK SETUP REQUEST message and sends a RADIOLINK
UP FAILURE message.
ONSEmessage.
P FAILUREmessage, indicating the failure cause.
ata transmission on the Iub interface
ggered in one of the following conditions:
UEST messageto the NodeB.
CRNC.
ESTABLISH CONFIRM message.AL2 ESTABLISH RELEASE CONFIRM message.
ed for a NodeB to notify the SRNC that the uplink synchronization of one or more radio links is
is, the NodeB finishes UL synchronizationwith the UE.
DIO LINKRESTORE INDICATION message to the DRNC.
e SRNC.
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on n orma onor a o n emova n orma on con a ne n e message.
IVE SETUPDATE COMPLETE message on the DCCH by using Acknowledged Mode (AM)Radio Link
upported by the UE or if the active set does not contain the radio links specified by the Radio
ILURE message.
NodeB for one or more established radio links towards a UE.
UEST message.
NodeB. After receiving the message, the NodeB deletes the radio links specified by the message.
ION RESPONSE message
LETIONRESPONSE message. The Criticality Diagnostics field in the message indicates the failure
port bearers from the Iub interface.
d to be removed.
EST messageto the NodeB.
CRNC.
L2 RELEASECONFIRM message to confirm the release.
QAAL2 RELEASECONFIRM message that indicates the failure cause.
ata transport bearers from the Iur interface.
d to be removed.
EST messageto the NodeB.
CRNC.
L2 RELEASECONFIRM message to confirm the release.
QAAL2 RELEASECONFIRM message that indicates the failure cause.
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RRC:Measurement Control
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RRC:Measurement Report (e1a)
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RRC:Measurement Report (e1b)
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RRC:Measurement Report (e1c)
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RRC: Active Set Update (DCCH)
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RRC: Active Set Update Complete (DCCH)
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RRC: Active Set Update (DCCH)
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RRC: Active Set Update Complete (DCCH)
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value=int raFrequencyMeasurement
value=int raFrequencyCel l L ist
value=IntraFreqCellID of Serving Cell=0
value=Primary Scrambl in g Code o f Serv ing Cel l=74
>>"Measurement Control and Measurement Report"
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value=Int raFreqCel l ID of Serv ing 1st neighbo urCel l=1
value=CIO=0 (No of fset on this neigh bour cel l )
value=Primary Scrambl in g Code o f 1st Neighbour Cel l=106
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value=Intra-freq meas L3 filter coeff=3
value=Intra-freq Measure Quan tity u se CPICH Ec/No
>>Int ra-Frequency SHO Algo r i thm and related parameters (Module I I)
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val ue=event 1a tr ig ger ed by det ec ted and Mon i to rSe t Cel ls ( DETSET_ADD_TO_ACTSET_SWITCH and DETSET_RPR _
value=3 dB (IntraRelThdFo r1A),step: 0.5
value=0
value=Maximum act ive set size =3 ( i f number o f cel l in Ac t ive Set more than 2 then cann ot t r igger e1a)
value=16
value=4000ms
value=0
value=320ms
value=UE repor t All Ac tive Set Cells + 6 Monito r/Detected Set Cells
value=event1b tr iggered b y Ac t ive Set Cells Only
value=6 dB (IntraRelThd For1B) ,step: 0.5
value=0
value=0
value=640ms
value=UE report Al l 3 Acti ve Set Cells
value=event1C tr iggered when A ct ive Set is ful l (Maximum 3 cel ls in Ac t ive Set)
value=16
value=4000ms
value=4 dB (1C hysteres is),step: 0.5
value=640ms
value=UE repor t All Ac tive Set Cells + 6 Monito r/Detected Set Cells
value=4dB (1D hys teresis),step: 0.5
value=640ms
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value=UE report Al l Active Set Cells +3 Monito r Set Cells
value=event1f t r iggered by Act ive Set Cel ls Only
value= 1F event absolute EcNo th reshold = -24 dB
value= 4 dB ,step: 0.5
value=640ms
value=UE report Al l 3 Acti ve Set Cells
>>"Measurement Report"
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valu e=CPICH Ec/No= -24+(25/2) = -11.5 dB
value=CPICH RSCP= -115+32= -83 dBm
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value=Event1a is t r iggered
value=To add neighbou r Pr imary Scrambl ing Cod e=13 into Act ive Set
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valu e=CPICH Ec/No= -24+(31/2) = -8.5 dB
value=CPICH RSCP= -115+34= -81 dBm
valu e=CPICH Ec/No= -24+(7/2) = -20.5 dB
value=CPICH RSCP= -115+22= -93 dBm
value=Event1b is t r iggered
value=To delete neighbou r Pr imary Scrambl ing Cod e=74 from Ac t ive Set
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valu e=CPICH Ec/No= -24+(23/2) = -12.5 dB
value=CPICH RSCP= -115+30= -85 dBm
valu e=CPICH Ec/No= -24+(20/2) = -14 dB
value=CPICH RSCP= -115+29= -86 dBm
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valu e=CPICH Ec/No= -24+(8/2) = -20 dB
value=CPICH RSCP= -115+23= -92 dBm
value=Event1c is t r iggered
value=To replace Cell Pr imary Scramb l ing Co de=56 by Cel l Pr imary Scrambl ing Code=106
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_ _SWITCH is " Ac ti ve" )
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*Source
2.NBAP:Radio Lin
L3 Messages - Intra-Frequency Hard Handover
UE NodeB1 Nod
In t ra-Frequency Hard Handover between NodeBs i
RRC:Measurement Control
RRC:Measurement Report (e1d)
Start
Start
1.RRC: Physical Channel Reconfiguration (DCCH)
2. RRC:Physical Channel Reconfiguration Complete (DC
1.NBAP:Radio Lin
Stop Rx/Tx
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*Target
2.NBAP:Radio Link Setup Request
3.NBAP:Radio Link Setup Response
Note: the following information about the procedure ,
1. During the handover, NodeB 1 is the source NodeB and NodeB 2 is the target NodeB.
2.If IP transport is applied to the Iub interface, no ALCAP procedure is performed on the Iub interface
after radio links are set up or deleted.
ALCAP: Iub User
1.QAAL2 Rele
2.QAAL2 Rele
D-R
In tra-Frequency Hard Ha
RRC:Measure
L3 Messages - Intra-Frequenc
NodeB2UE
RRC:Measureme
Start Rx
ALCAP: Iub User Plane Setup
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1.QAAL2 Establish Request
2.QAAL2 Establish Confirm
1.NBAP:Radio Link Restore Indication
Start Tx
2. RRC:Physical Channel Recon
1. RRC:Physical Channel
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Note : the following information about the procedure ,
1.During the handover, NodeB 1 is the source NodeB and NodeB 2 is the target NodeB.
2. If IP transport is applied to the Iub interface, no ALCAP procedure is performed on the Iub interface
after radio links are set up or deleted.
3.If IP transport is applied to the Iur interface, no ALCAP procedure is performed on the Iurinterface
after radio links are set up or deleted.
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*Target
1.NBAP:Radio Link Setup Req
2.NBAP:Radio Link Setup Resp
1.QAAL2 Establish Request
2.QAAL2 Establish Confirm
NBAP:Radio Link Restore Indication
k Deletion Resp
>>Intra-Frequency HHO Algorithm and related parameters
Procedure
B2 S-RNC
a RNC
Tx
Decision todelete old
radio link
Decision to
setup new
radio link
Rx
ALCAP: Iub User Plane Setup
H)
k Deletion Req
Radio Link Setup
Physical Reconfigu ration
Radio Link Deletion
Iub user plane Setup
Iub radio l ink restore Indication
Measurement Contro l
& Measurement Repor t
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*Target *Source *S
Plane Release
se Request
se Confirm
>>
C NodeB1
dover between RNCs
ent Control
Hard Handover Procedure
S-RNC
t Report (e1d)
1.RNSAP:Radio Link Setup Request
Decision to
setup new
radio link
Iub us er plane release
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1.NBAP:Radio Link Deletion Req
2.NBAP:Radio Link Deletion Resp
1.QAAL2 Release Request
2.QAAL2 Release Confirm
Stop
Rx/Tx
2.RNSAP:Radio Link Setup Response
ALCAP: Iur User Plane Setup
1.QAAL2 Establish Request
2.QAAL2 Establish Confirm
ALCAP: Iub User Plane Release
ALCAP: Iur User Plane Release
figuration Complete (DCCH)
Decision to
delete old
radio link
1.QAAL2 Release Request
2.RNSAP:Radio Link Restore Indication
econfiguration (DCCH)
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2.QAAL2 Release Confirm
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The Iub user plane setup procedure is performed to set up bearers for data transmission on the Iub interf
The procedure is descr ibed as fo l lows:
1.The CRNC uses the ALCAP protocol to send a QAAL2 ESTABLISH REQUEST messageto the NodeB.
2.The NodeB uses the ALCAP protocol to send a response message to the CRNC.lIf the Iub data transport
ESTABLISH CONFIRM message.If an Iub data transport bearer fails to be set up, the NodeB sends a QA
Measurement Contro l is used to notify the UE of the objects to be measured, neighbor cell list, report met
conditions are changed, the RNC notifies the UE of new conditions.
Measurement Report, the UE continue measure the radio link condition of serving and neighbour cell and
met, the UE reports the results to the RNC as an event. The Measurement report is also can be sent in peri
The rad io l ink setup procedure (intra-RNC handover or GSM to WCDMA CS handover) is performed to
for a UE
The procedure of rad io l ink setup is descr ibed as fo l lows:
1.The CRNC sends a RADIO LINK SETUP REQUEST message to the NodeB. After receiving the messag
and configures the new radio link according to the parameters given in the message.
2.The NodeB sends a response message to the CRNC.If the radio link is set up, the NodeB saves the valu
in the RADIO LINK SETUP REQUEST message and sends a RADIOLINK SETUP RESPONSE message.I
sends a RADIO LINK SETUP FAILURE message. The message contains the failure cause.
The radio l ink restoration procedure (intra-RNC handover or GSM to WCDMA CS handover)is performe
synchronization of one or more radio links is achieved or re-achieved
After performing UL synchronization with the UE, the NodeB sends a RADIO LINK RESTOREINDICATION
The physica l ch annel reconf igurat ion procedure is performed to set up, reconfigure, or releasea physica
The procedure is descr ibed as fo l lows:
1.The SRNC sends a PHYSICAL CHANNEL RECONFIGURATION message to the UE to request reconfig
2.The UE saves the IEs of the UE, Radio Bearer (RB), transport channel, and physical channel.The UE sen
->If successfully reconfiguring the physical channels specified by the PHYSICALCHANNEL RECONFIGUR
CHANNELRECONFIGURATION COMPLETE message on the uplink DCCH by using AM RLC
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urce
The radio l ink deletion procedure is performed to release resources in a NodeB for one or more establish
The procedure is descr ibed as fo l lows:
1.The CRNC sends a RADIO LINK DELETION REQUEST message to the NodeB. After receiving the mes
by the message.
2.The NodeB sends a response message to the CRNC.lf all the radio links are deleted, the NodeB sends a
message.
3. lf any radio link fails to be deleted, the NodeB sends a R ADIO LINK DELETION RESPONSE message.
indicates the failure cause.
easurement Control&Report Description
The Iub us er plane release procedure is performed to release data transport bearers from the Iubinterfac
The procedure is descr ibed as fo l lows:
1.The CRNC uses the ALCAP protocol to send a QAAL2 RELEASE REQUEST messageto the NodeB.
2.The NodeB uses the ALCAP protocol to send a response message to the CRNC.
->If the Iub data transport bearers are released, the NodeB sends a QAAL2 RELEASE CONFIRM messag
->lf an Iub data transport bearer fails to be released, the NodeB sends a QAAL2 RELEASECONFIRM mes
->If failing to reconfigure the physical channels specified by the PHYSICAL CHANNELRECONFIGURATIO
the old physicalchannel configuration and sends a PHYSICAL CHANNEL RECONFIGURATION FAILURE
value of the Failure cause IE contained in the PHYSICAL CHANNEL RECONFIGURATION FAILURE mes
Measurement Control is used to notify the UE of the obje
notifies the UE of new conditions.
Measurement Report, the UE continue measure the radi
the RNC as an event. The Measurement report is also can
The radio link setup procedure for inter-RNC handover is pThe procedure is descr ibed as fo l lows:
1.The SRNC sends a RADIO LINK SETUP REQUEST me
2.The DRNC sends a RADIO LINK SETUP REQUEST me
3.The NodeB reserves the necessary resources and confi
DRNC.
->If the radio link is set up, the NodeB saves the value of t
RESPONSE message.
->If the radio link fails to be set up, the NodeB sends a RA
4.The DRNC reports the radio link setup result to the SRN
Measurement Contro l
& Measurement Report
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The Iub user plane setup procedure is performed to set
The procedure is descr ibed as fo l lows:
1.The CRNC uses the ALCAP protocol to send a QAAL2
2.The NodeB uses the ALCAP protocol to send a respons
->If the Iub data transport bearers are set up, the NodeB s
->If an Iub data transport bearer fails to be set up, the Nod
The r adio l ink restoration procedure for inter-RNC hand
achieved.
1.After performing UL synchronization with the UE, the No
2.The DRNC sends a RADIO LINK RESTORE INDICATIO
-> e ra o n s se up, e sen s a
->If the radio link fails to be set up, the DRNC sends a RA
The physica l ch annel reconf iguration procedure is perf
The procedure is descr ibed as fo l lows:
1.The SRNC sends a PHYSICAL CHANNEL RECONFIGU
2.The UE saves the IEs of the UE, Radio Bearer (RB), tra
->If successfully reconfiguring the physical channels specif
COMPLETE message on the uplink DCCH by using AM R
->If failing to reconfigure the physical channels specified b
configuration and sends a PHYSICAL CHANNEL RECON
CHANNEL RECONFIGURATION FAILURE message is "p
The radio l ink deletion procedure is performed to releas
The procedure is descr ibed as fo l lows:
1.The CRNC sends a RADIO LINK DELETION REQUES
2.The NodeB sends a response message to the CRNC.
->lf all the radio links are deleted, the NodeB sends a RAD
->lf any radio link fails to be deleted, the NodeB sends a R
The Iur user plane setup procedure is performed to set u
The procedure is descr ibed as fo l lows:
1.The SRNC uses the ALCAP protocol to send a QAAL2 E
2.The DRNC uses the ALCAP protocol to send a response
->If the Iur data transport bearers are set up, the DRNC se
->If an Iur data transport bearer fails to be set up, the DRN
Physica l Reconf igurat ion
Iub user plane Setup
Iur Radio Link Restore Indication
Iur user plane Setup
Iub Radio Link Restor e Indication
Radio Link Deletion
Iub us er plane release
Radio Link Setup
Iur us er plane release
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The Iur us er plane release procedure is performed to rel
The procedure is descr ibed as fo l lows:
1.The SRNC uses the ALCAP protocol to send a QAAL2
2.The DRNC uses the ALCAP protocol to send a response
->If the Iur data transport bearers are released, the DRNC
->If an Iur data transport bearer fails to be released, the D
The Iub us er plane release procedure is performed to rel
The procedure is descr ibed as fo l lows:
1.The CRNC uses the ALCAP protocol to send a QAAL2
2.The NodeB uses the ALCAP protocol to send a respons
->If the Iub data transport bearers are released, the Node
->lf an Iub data transport bearer fails to be released, the N
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ace
bearers are set up, the NodeB sends a QAAL2
L2 ESTABLISH RELEASE CONFIRM message.
hod, and event parameters.When measurement
when the measurement reporting criterias are
iodic mode.
et up a radio link in an SRNC-controlled NodeB
, the NodeB reserves the necessary resources
of the Configuration Generation ID IE contained
f the radio link fails to be set up, the NodeB
for a NodeB to notify the CRNC that the uplink
message to the CRNC.
l channel
uration of a physical channel.
ds a response message to the SRNC.
TION message, the UE sends a PHYSICAL
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ed radio links towards a UE.
sage, the NodeB deletes the radio links specified
RADIO LINK DELETION RESPONSE
he Criticality Diagnostics field in the message
.
to confirm the release.
age that indicates the failure cause
message, the UE restores the configuration to
message on the DCCH by using AM RLC. The
age is "physical channel failure".
cts to be measured, neighbor cell list, report method, and event parameters.When measurement conditions
link condition of serving and neighbour cell and when the measurement reporting criterias are met, the UE r
be sent in periodic mode.
erformed to set up a radio link in a DRNC-controlled NodeB for a UE
ssage to the DRNC.
ssage to the target NodeB.
ures the new radio link according to the parameters given in the message.The NodeB reports the radio link
e Configuration GenerationID IE contained in the RADIO LINK SETUP REQUEST message and sends a R
DIO LINK SETUP FAILUREmessage.
C.
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p bearers for data transmission on the Iub interface
STABLISH REQUEST messageto the NodeB.
message to the CRNC.
ends a QAAL2 ESTABLISH CONFIRM message.
eB sends a QAAL2 ESTABLISH RELEASE CONFIRM message
ver is performed for a NodeB to notify the SRNC that the uplink synchronization of one or more radio links is
eB sends a RADIO LINKRESTORE INDICATION message to the DRNC.
N message to the SRNC.
message.
IO LINK SETUP FAILURE message, indicating the failure cause.
ormed to set up, reconfigure, or releasea physical channel
RATION message to the UE to request reconfiguration of a physical channel.
sport channel, and physical channel.The UE sends a response message to the SRNC.
ied by the PHYSICALCHANNEL RECONFIGURATION message, the UE sends a PHYSICAL CHANNELRE
LC
the PHYSICAL CHANNELRECONFIGURATION message, the UE restores the configuration to the old phy
IGURATION FAILURE message on the DCCH by using AM RLC. The value of the Failure cause IE contain
hysical channel failure".
resources in a NodeB for one or more established radio links towards a UE.
message to the NodeB. After receiving the message, the NodeB deletes the radio links specified by the me
IO LINK DELETION RESPONSE message.
ADIO LINK DELETION RESPONSE message. The Criticality Diagnostics field in the message indicates the
p bearers for data transmission on the Iur interface
STABLISH REQUEST message to the DRNC.
message to the SRNC.
nds a QAAL2 ESTABLISHCONFIRM message.
C sends a QAAL2 ESTABLISHRELEASE CONFIRM message.
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ase data transport bearers from the Iur interface
ELEASE REQUEST messageto the DRNC.
message to the SRNC.
sends a QAAL2 RELEASECONFIRM message to confirm the release.
NC sends a QAAL2 RELEASECONFIRM message that indicates the failure cause.
ease data transport bearers from the Iubinterface.
ELEASE REQUEST messageto the NodeB.
message to the CRNC.
sends a QAAL2 RELEASE CONFIRM message to confirm the release.
odeB sends a QAAL2 RELEASECONFIRM message that indicates the failure cause
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are changed, the RNC
eports the results to
etup result to the
DIOLINK SETUP
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achieved or re-
CONFIGURATION
icalchannel
d in the PHYSICAL
sage.
ailure cause.
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*Source
RRC:Physical Channel Reconfiguration (DCCH)
L3 Messages - Inter-Frequency Hard Handover Pr
UE NodeB1 NodeB2
Inter-Frequency Hard Handover between NodeBs in a
RRC:Measurement Control
RRC:Measurement Report (e2d)
RRC:Measurement Control
RRC:Measurement Report
RRC:Measurement Report
NBAP: Compressed Mod
RRC:Physical Channel Reconfiguration Complete (DCCH)
NBAP: Radio Link Reconfig
NBAP: Radio Link Reconfi
NBAP: Radio Link Reconfig
Start Rx
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2.NBAP:Radio Link De
*Target
Stop Rx/Tx
Note: the following information about the procedure ,
1.The radio link setup procedure shown in the figure applies when the source and target cellsof thehandover are controlled by different NodeBs. If the source and target cells arecontrolled by the same
NodeB, the radio link setup procedure should be replaced by theradio link addition procedure, and the
radio link restoration procedure is excluded.
2.During the handover, NodeB 1 is the source NodeB and NodeB 2 is the target NodeB.
3.If IP transport is applied to the Iub interface, no ALCAP procedure is performed on the Iub interface
after radio links are set up or deleted.
UE
1.RRC: Physical Channel Reconfiguration (DCCH)
2. RRC:Physical Channel Reconfiguration Complete (DCCH)
Start Tx
1.NBAP:Radio Link De
ALCAP: Iub User Plan
1.QAAL2 Release
2.QAAL2 Release
L3 Messages - Inter-Frequency H
NodeB2 D-RNC
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2.NBAP:Radio Link Setup Request
3.NBAP:Radio Link Setup Response
1.QAAL2 Establish Request
2.QAAL2 Establish Confirm
1.NBAP:Radio Link Restore Indication
Start Rx
In ter-Frequen cy Hard Hando
Start Tx
1. RRC:Physical Channel Reco
2. RRC:Physical Channel Reconfigur
ALCAP: Iub User Plane Setup
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Note : the following information about the procedure ,
1.During the handover, NodeB 1 is the source NodeB and NodeB 2 is the target NodeB.
2. If IP transport is applied to the Iub interface, no ALCAP procedure is performed on the Iub interface
after radio links are set up or deleted.
3.If IP transport is applied to the Iur interface, no ALCAP procedure is performed on the Iurinterface
after radio links are set up or deleted.
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*Target
1.NBAP:Radio Link Setup Req
2.NBAP:Radio Link Setup Resp
1.QAAL2 Establish Request
2.QAAL2 Establish Confirm
NBAP:Radio Link Restore Indication
>>Intrer-Frequency HHO Algorithm and related parameters
cedure
S-RNC
NC
Decision to
setup new
radio link
>>Compressed Mode Description Module II
e Command
uration Prepare
uration Ready
uration Commit
ALCAP: Iub User Plane Setup
Radio Link Setup
Iub user plane Setup
Iub radio l ink restore Indication
Measurement Contro l
& Measurem ent Report
Ini t ia l Comp ressed Mode Configu ration
Inter-Freq Neighb our cel ls measurement
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letion Resp
*Target *Source *Source
letion Req
Decision to
delete old
radio link
e Release
equest
onfirm
ard Handover Procedure
NodeB1 S-RNC
Physical Reconfigu ration
Iub us er plane release
Radio Link Deletion
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1.NBAP:Radio Link Deletion Req
1.RNSAP:Radio Link Setup Request
Decision to
setup new
radio link
ver between RNCs
figuration (DCCH)
ation Complete (DCCH)
Stop
Rx/Tx
2.RNSAP:Radio Link Setup Response
ALCAP: Iur User Plane Setup
2.RNSAP:Radio Link Restore Indication
1.QAAL2 Establish Request
2.QAAL2 Establish Confirm
Decision to
delete oldradio link
Phys ic
Iub us
Iu r Radio L i
Iub R
Radio
Rad i
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2.NBAP:Radio Link Deletion Resp
1.QAAL2 Release Request
2.QAAL2 Release Confirm
2.QAAL2 Release Confirm
ALCAP: Iur User Plane Release
1.QAAL2 Release Request
ALCAP: Iub User Plane Release
Iub u
Iu r u
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Measurement Contro l is used to notify the UE of the objects to be measured, neighbor cell list, report method,
conditions are changed, the RNC notifies the UE of new conditions.
Measurement Report, the UE continue measure the radio link condition of serving and neighbour cell and when
the UE reports the results to the RNC as an event. The Measurement report is also can be sent in periodic mode
The rad io l ink setup procedure (intra-RNC handover or GSM to WCDMA CS handover) is performed to set up
UE
The procedure of rad io l ink setup is descr ibed as fo l lows:
1.The CRNC sends a RADIO LINK SETUP REQUEST message to the NodeB. After receiving the message, the
configures the new radio link according to the parameters given in the message.
2.The NodeB sends a response message to the CRNC.If the radio link is set up, the NodeB saves the value of t
the RADIO LINK SETUP REQUEST message and sends a RADIOLINK SETUP RESPONSE message.If the ra
RADIO LINK SETUP FAILURE message. The message contains the failure cause.
Compressed Mode was introduced to WCDMA to allow inter-frequency and Inter-RAT Handovers. It is used to
during which neighbour cells measurements on another frequency can be made.
The Iub user plane setup procedure is performed to set up bearers for data transmission on the Iub interface
The procedure is descr ibed as fo l lows:
1.The CRNC uses the ALCAP protocol to send a QAAL2 ESTABLISH REQUEST messageto the NodeB.
2.The NodeB uses the ALCAP protocol to send a response message to the CRNC.lIf the Iub data transport bear
ESTABLISH CONFIRM message.If an Iub data transport bearer fails to be set up, the NodeB sends a QAAL2 E
The radio l ink restoration procedure (intra-RNC handover or GSM to WCDMA CS handover)is performed for a
synchronization of one or more radio links is achieved or re-achieved
After performing UL synchronization with the UE, the NodeB sends a RADIO LINK RESTOREINDICATION mes
The physica l ch annel reconf iguration procedure is performed to set up, reconfigure, or releasea physical cha
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The procedure is descr ibed as fo l lows:
1.The SRNC sends a PHYSICAL CHANNEL RECONFIGURATION message to the UE to request reconfiguratio
2.The UE saves the IEs of the UE, Radio Bearer (RB), transport channel, and physical channel.The UE sends a
->If successfully reconfiguring the physical channels specified by the PHYSICALCHANNEL RECONFIGURATIO
CHANNELRECONFIGURATION COMPLETE message on the uplink DCCH by using AM RLC
->If failing to reconfigure the physical channels specified by the PHYSICAL CHANNELRECONFIGURATION me
old physicalchannel configuration and sends a PHYSICAL CHANNEL RECONFIGURATION FAILURE message
the Failure cause IE contained in the PHYSICAL CHANNEL RECONFIGURATION FAILURE message is "physi
The radio l ink deletion procedure is performed to release resources in a NodeB for one or more established ra
The procedure is descr ibed as fo l lows:
1.The CRNC sends a RADIO LINK DELETION REQUEST message to the NodeB. After receiving the message,
the message.
2.The NodeB sends a response message to the CRNC.lf all the radio links are deleted, the NodeB sends a RAD
3. lf any radio link fails to be deleted, the NodeB sends a R ADIO LINK DELETION RESPONSE message. The
indicates the failure cause.
The Iub us er plane release procedure is performed to release data transport bearers from the Iubinterface.
The procedure is descr ibed as fo l lows:
1.The CRNC uses the ALCAP protocol to send a QAAL2 RELEASE REQUEST messageto the NodeB.
2.The NodeB uses the ALCAP protocol to send a response message to the CRNC.
->If the Iub data transport bearers are released, the NodeB sends a QAAL2 RELEASE CONFIRM message to c
->lf an Iub data transport bearer fails to be released, the NodeB sends a QAAL2 RELEASECONFIRM message
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The Iub user plane setup procedure is performed to set
The procedure is descr ibed as fo l lows:
1.The CRNC uses the ALCAP protocol to send a QAAL2
2.The NodeB uses the ALCAP protocol to send a respons->If the Iub data transport bearers are set up, the NodeB s
->If an Iub data transport bearer fails to be set up, the Nod
The radio link setup procedure for inter-RNC handover is p
The procedure is descr ibed as fo l lows:
1.The SRNC sends a RADIO LINK SETUP REQUEST me
2.The DRNC sends a RADIO LINK SETUP REQUEST me
3.The NodeB reserves the necessary resources and confi
DRNC.
->If the radio link is set up, the NodeB saves the value of t
RESPONSE message.->If the radio link fails to be set up, the NodeB sends a RA
4.The DRNC reports the radio link setup result to the SRN
->If the radio link is set up, the DRNC sends a RADIO LIN
->If the radio link fails to be set up, the DRNC sends a RA
The Iur user plane setup procedure is performed to set u
The procedure is descr ibed as fo l lows:
1.The SRNC uses the ALCAP protocol to send a QAAL2 E
2.The DRNC uses the ALCAP protocol to send a response
->If the Iur data transport bearers are set up, the DRNC se
->If an Iur data transport bearer fails to be set up, the DRN
The r adio l ink restoration procedure for inter-RNC hand
achieved.
1.After performing UL synchronization with the UE, the No
2.The DRNC sends a RADIO LINK RESTORE INDICATIO
The physica l ch annel reconf iguration procedure is perf
The procedure is descr ibed as fo l lows: 1.The SRNC sends a PHYSICAL CHANNEL RECONFIGU
2.The UE saves the IEs of the UE, Radio Bearer (RB), tra
->If successfully reconfiguring the physical channels specif
COMPLETE message on the uplink DCCH by using AM R
->If failing to reconfigure the physical channels specified b
configuration and sends a PHYSICAL CHANNEL RECON
CHANNEL RECONFIGURATION FAILURE message is "p
al Reconfigu ration
er plane Setup
nk Restore Indication
Iur user plane Setup
dio L ink Restore Ind icat ion
Link Deletion
o Link Setup
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The Iur us er plane release procedure is performed to rel
The procedure is descr ibed as fo l lows:
1.The SRNC uses the ALCAP protocol to send a QAAL2
2.The DRNC uses the ALCAP protocol to send a response
->If the Iur data transport bearers are released, the DRNC
->If an Iur data transport bearer fails to be released, the D
The radio l ink deletion procedure is performed to releas
The procedure is descr ibed as fo l lows:
1.The CRNC sends a RADIO LINK DELETION REQUES
2.The NodeB sends a response message to the CRNC.
->lf all the radio links are deleted, the NodeB sends a RAD
->lf any radio link fails to be deleted, the NodeB sends a R
The Iub us er plane release procedure is performed to rel
The procedure is descr ibed as fo l lows:
1.The CRNC uses the ALCAP protocol to send a QAAL2
2.The NodeB uses the ALCAP protocol to send a respons
->If the Iub data transport bearers are released, the Node
->lf an Iub data transport bearer fails to be released, the N
er plane release
er plane release
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and event parameters.When measurement
the measurement reporting criterias are met,
.
a radio link in an SRNC-controlled NodeB for a
NodeB reserves the necessary resources and
e Configuration Generation ID IE contained in
io link fails to be set up, the NodeB sends a
create idle periods (gaps) in the transmission
ers are set up, the NodeB sends a QAAL2
STABLISH RELEASE CONFIRM message.
NodeB to notify the CRNC that the uplink
age to the CRNC.
nnel
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n of a physical channel.
response message to the SRNC.
N message, the UE sends a PHYSICAL
ssage, the UE restores the configuration to the
on the DCCH by using AM RLC. The value of
al channel failure".
dio links towards a UE.
, the NodeB deletes the radio links specified by
IO LINK DELETION RESPONSE message.
riticality Diagnostics field in the message
nfirm the release.
hat indicates the failure cause
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p bearers for data transmission on the Iub interface
STABLISH REQUEST messageto the NodeB.
message to the CRNC.ends a QAAL2 ESTABLISH CONFIRM message.
eB sends a QAAL2 ESTABLISH RELEASE CONFIRM message
erformed to set up a radio link in a DRNC-controlled NodeB for a UE
ssage to the DRNC.
ssage to the target NodeB.
ures the new radio link according to the parameters given in the message.The NodeB reports the radio link
e Configuration GenerationID IE contained in the RADIO LINK SETUP REQUEST message and sends a R
DIO LINK SETUP FAILUREmessage.
C.
SETUP RESPONSEmessage.
IO LINK SETUP FAILURE message, indicating the failure cause.
p bearers for data transmission on the Iur interface
STABLISH REQUEST message to the DRNC.
message to the SRNC.
nds a QAAL2 ESTABLISHCONFIRM message.
C sends a QAAL2 ESTABLISHRELEASE CONFIRM message.
ver is performed for a NodeB to notify the SRNC that the uplink synchronization of one or more radio links is
eB sends a RADIO LINKRESTORE INDICATION message to the DRNC.
N message to the SRNC.
ormed to set up, reconfigure, or releasea physical channel
RATION message to the UE to request reconfiguration of a physical channel.
sport channel, and physical channel.The UE sends a response message to the SRNC.
ied by the PHYSICALCHANNEL RECONFIGURATION message, the UE sends a PHYSICAL CHANNELRE
LC
the PHYSICAL CHANNELRECONFIGURATION message, the UE restores the configuration to the old phy
IGURATION FAILURE message on the DCCH by using AM RLC. The value of the Failure cause IE contain
hysical channel failure".
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ase data transport bearers from the Iur interface
ELEASE REQUEST messageto the DRNC.
message to the SRNC.
sends a QAAL2 RELEASECONFIRM message to confirm the release.
NC sends a QAAL2 RELEASECONFIRM message that indicates the failure cause.
resources in a NodeB for one or more established radio links towards a UE.
message to the NodeB. After receiving the message, the NodeB deletes the radio links specified by the me
IO LINK DELETION RESPONSE message.
ADIO LINK DELETION RESPONSE message. The Criticality Diagnostics field in the message indicates the
ease data transport bearers from the Iubinterface.
ELEASE REQUEST messageto the NodeB.
message to the CRNC.
sends a QAAL2 RELEASE CONFIRM message to confirm the release.
odeB sends a QAAL2 RELEASECONFIRM message that indicates the failure cause
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etup result to the
DIOLINK SETUP
achieved or re-
CONFIGURATION
icalchannel
d in the PHYSICAL
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sage.
ailure cause.
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Click to return to main page
NBAP: Radio Link Reconfiguration Prepare
NBAP: Radio Link Reconfiguration Ready
NBAP: Radio Link Reconfiguration Commit
NBAP: Compressed Mode Command
S-RNC
7.RRC: Handover from UTRAN Command
RRC:Measurement Report
RRC:Measurement Control
RRC:Measurement Control
In ter-RAT CS Han
2. RRC: Physical Channel Reconfiguration Complete (DCCH)
RRC:Measurement Report
Decision
to HO to
GSM cell
1. RRC:Physical Channel Reconfiguration (DCCH)
RRC:Measurement Report (e2f)
RRC:Measurement Report (e2d)
RRC:Measurement Report (e2d)
NodeB
L3 Messages - Inte
UE
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NBAP:Radio Link Deletion Request
NBAP:Radio Link Deletion Response
Click to return to main page
4.NBAP:Radio Link Setup Request
5.NBAP:Radio Link setup Response
9.Han
In ter-RAT CS Han
UE NodeB S-RNC
L3 Messages - Inte
Note: the following information about the procedure ,
1.This figure presents only a brief of the signaling between the MSC server and the MSC(GSM) and
that between the MSC (GSM) and the BSC (GSM).
2.The SRNC sends a HANDOVER FROM UTRAN COMMAND message to the UE. The message
contains the RAB ID, the activation time, the GSM frequency, and the GSM information in bit
strings.
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10.NBAP:Radio Link Restore Indication
24.RRC: UTRAN Mobility Information Confirm (DCCH)
Note: the following information about the procedure ,
1.This figure presents only a brief of the signaling between the MSC server and the MSC(GSM) and
that between the MSC (GSM) and the BSC (GSM).
2.After receiving a RADIO LINK RESTORE INDICATION message, the RNC sends a
RELOCATION DETECT message to the MSC server to inform the MSC server that the UE hasbeen handed over from GSM to WCDMA.
3.After the UE is handed over, it sends a HANDOVER TO UTRAN COMPLETE message to the
RNC. If the handover fails, the UE reports the failure to the GSM system.
4.After receiving a HANDOVER TO UTRAN COMPLETE message, the RNC sends a
RELOCATION COMPLETE message to the MSC server. In addition, the RNC controls the UE to
perform the UTRAN mobility information procedure, the UE capability enquiry procedure, and the
security mode control procedure.
5.In practice, the signaling messages traced may differ from the signaling message shown inthe
figure in terms of the sequence
17.RRC: Security Mode Complete(DCCH)
23.RRC: UTRAN Mobility Information (DCCH)
9.Inter-System to
12.RRC: Handover to UTRAN Complete(DCCH)
13.RRC: UE Capability Enquiry(DCCH)
14.RRC: UE Capability Information (DCCH)
16.RRC: Security Mode Command(DCCH)
15.RRC: UE Capability Information Confirm (DCCH)
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1.RANAP: Relocation Required
2.Prepare Handover
3.Handover Request
4.Handover Request
Acknowledge
5.Prepare Handover
Response
6.RANAP:Relocation Command
MSC
2G
over from WCDMA to GSM
MSC 3G
r-RAT Handover Procedure
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8.Handover Detect
10.Handover Complete
11.Send End Signal
Request
12.RANAP: IU Release Command
13.RANAP: IU Release Complete
14.Send End Signal
Response
1.Handover Required
2.Prepare Handover
3.RANAP: Relocation Request
6.RANAP:Relocation Request
Acknowledge
7.Prepare Handover
Response
dover Completed
over from GSM to WCDMA
MSC-2GMSC-3G
r-RAT Handover Procedure
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8.Handover Command
9.Handover Complete
11.RANAP:Relocation Detect
. : e oca on
Complete
19.Send End Signal
Request
20.Clear Command
21.Clear Complete
22.Send End Signal
Response
UTRAN Handover Command
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The Inter-RAT Handover procedu
1. The SRNC sends the 3G MSC a
2. As indicated in the received mes
Handover"
3. The 2G MSC forwards the reque
4. The BSC responds to this reque
5. Once the initial procedures are c
6. The 3G MSC sends the SRNC a
7. The SRNC send the UE and RR
several other systems
8. The BSC performs handover de
reference and is subject to the act
9. The UE send the BSC a "Hando
10. The BSC sends the MSC a 'Ha
Measurement Contro l is used tochanged, the RNC notifies the UE
Measurement Report, the UE co
the results to the RNC as an event.
Compressed Mode was introduce
neighbour cells measurements on
>>Compressed Mode Description
The relocation preparation proce
The procedur e is described as f
1.The SRNC sends a RELOCATIO
source LAC,source SAC, target PL
2.The CN interacts with the target
3.The CN sends a response mess
->If the target RNC or the target necomplete. The message contains t
->If the resources partially or totall
BSC
2G
>>Measurement Control&Report (Inter-RAT) Description
>>Inter-RAT HO Algorithm and related parameters
Measurement Contro l
& Measurement Repor t
Ini t ia l Comp ressed Mode Configu ration
GSM RSSI Measurem ent
and BSIC Veri f ication
Relocation Preparation
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The radio l ink deletion procedure
The procedur e is described as f
1.The CRNC sends a RADIO LINK
2.The NodeB sends a response m
->If all the radio links are deleted, t
->If any radio link fails to be delete
cause.
11. After detecting the UE in the co
12. The CN sends the former SRN
13. After the bearer resource is rel
14. After the call ends, the CN sen
The Iu release procedure is perfor
The procedur e is described as f
1.The CN sends an IU RELEASE
connection.
NOTE: After sending the IU RELE
2.The SRNC releases the related
BSC
2G
The relocation resourc e al locati
The relocation resource allocation
1. During an SRNS relocation, the
2. During an inter-RAT CS handov
The procedur e is described as f
1.The CN sends a RELOCATION
cell identifier, encryption, integrity p
2.The target RNC allocates radio r
3.The target RNC sends a respons
->If the resources are allocated, th
parameters allocated to the UE. Th
encryption algorithm, and chosen i
->If the resources artiall or totall
>>Inter-RAT HO Algorithm and related parameters
Handover
Iu release
Radio Link Delet ion
Relocation Resource al location
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The secur i ty mode contro l proce
triggered conditon is when the ciph
The procedur e is described as f
1.Through a SECURITY MODE C
theRBs or one CN domain and for
2.The UE sends a response mess
->If the UE completes configuring
COMPLETE message to inform th
->If the SECURITY MODE COMM
information, the UE sends a SECU
The UTRAN m obi l i ty in format ion
TemporaryIdentifier (C-RNTI) to a
1.The SRNC sends a UTRAN MO
2.The UE starts to update the relat
3.The UE sends a response mess
The UE capabi l i ty enquiry proce
data configuration based on the U
The procedur e is described as f
1.The SRNC sends a UE CAPABI
2.The UE sends a UE CAPABILIT
capabilities.
3.The SRNC reads the UE capabiliUMRLC.
The radio l ink setup procedure (i
The procedur e is described as f
1.The CRNC sends a RADIO LINK
new radio link according to the par2.The NodeB sends a response m
->If the radio link is set up, the Nod
LINK SETUP RESPONSE messag
->If the radio link fails to be set up,
The radio l ink restoration proced
one or moreradio links is achieved
After performing UL synchronizatio
FAILURE message,indicating the f
UTRAN Mobil i ty Information
Radio Link Restoration
UE Capabi l i ty Enqu iry
Securi ty Mode Contro l
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->If the UE succeeds in conducting
CONFIRM message.
->If the UE fails to conduct the ope
message, indicating the failure cau
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re is described as follows:
RANAP message "Relocation Required" if the condition of Inter-RAT Outgoing HO is met
sage,the 3G MSC forwards this request to the 2G MSC on the MAP/E interface through a MAP message "Pre
st to the BSC. The message shown in the figure is for reference only and is subject to the actual conditon of th
st. The message shown in the figure is for reference only and is subject to the actual conditon of the GSM
ompleted in the 2G MSC/BSS,the 2G MSC returns a MAP/E message 'Prepare Handover Response"
RANAP message "Relocation Command"
C message "Handover from UTRAN" through the existing RRC connection. This message may include inform
ection. The figure does not show such procedures as GSM BSS synchronization. The message shown in the fi
ual conditon of GSM
er Complete" message
ndover Complete" message. The message shown in the figure for reference only and is subject to the actual c
otify the UE of the objects to be measured, neighbor cell list, report method, and event parameters.When mef new conditions.
tinue measure the radio link condition of serving and neighbour cell and when the measurement reporting crite
. The Measurement report is also can be sent in periodic mode.
d to WCDMA to allow inter-frequency and Inter-RAT Handovers. It is used to create idle periods (gaps) in the t
another frequency can be made.
dure is performed to prepare resources for relocation of the SRNS
l lows:
N REQUIRED message to the CN. The message contains certain information such as relocation type, relocati
MN, and target CI,LAC.
NC or the target network system, such as the GSM system, to prepare relevant resources.
ge to the SRNC.
twork system prepares the relevant resources successfully, the CN sends a RELOCATION COMMAND messe L3 information IE, which carries the information about the relevant resources allocated by the target RNC or
fail to be allocated, the CN sends a RELOCATIONPREPARATION FAILURE message.
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is performed to release resources in a NodeB for one or more established radio links towards a UE.
l lows:
DELETION REQUEST message to the NodeB. After receiving the message, the NodeB deletes the radio link
ssage to the CRNC.
he NodeB sends a RADIO LINK DELETION RESPONSE message.
, the NodeB sends a RADIO LINK DELETIONRESPONSE message. The Criticality Diagnostics field in the m
verage area of the GSM,the MSC sends the CN a MAP/E message "Send End Signal Request"
C and "Iu Release Command" message , requesting the former SRNC to release the allocated resource
ted in the UMTS, the former SRNC sends the CN an "Iu Release Complete" message
s the MSC a MAP/E message "Send End Signal Response"
med for the CN to release an Iu connection and all the UTRANresources related only to that Iu connection
l lows:
OMMAND message to the SRNC to initiate the Iu release procedure. The message indicates the cause for th
SE COMMAND message, the CN will not send further RANAP connection-oriented messages on this particul
TRAN resources and then sends an IU RELEASE COMPLETE message to the CN.
n procedure is performed to allocate resources from the targetRNS for an SRNS relocation.
rocedure can be triggered in either of the followingconditions:
CN applies for resources from the target RNC
r from GSM to WCDMA, the CN applies for resources from the target RNC
l lows:
EQUEST message to the target RNC. The message contains certain information, such as the IMSI of the UE,
rotection, Iu signaling connection ID, handover cause, andRAB parameters.
sources for the relocation.
e message to the CN.
target RNC sends a RELOCATION REQUEST ACKNOWLEDGE message. The message contains the radio
e parameters include the UTRAN Radio NetworkTemporary Identifier (U-RNTI), RAB, transport layer and phys
tegrity protection algorithm.
fail to be allocated or the tar et RNC re ects the SRNS relocation for some reason the tar et RNC sends a R
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dure is performed to configure or reconfigure one or both of the ciphering algorithm and the integrity protection
ering algorithm or the integrity protection algorithm has changed
l lows:
MMAND message sent to the UE, the SRNC starts or reconfigures one or both of the ciphering and integrity p
all Signaling Radio Bearers (SRBs).
ge to the SRNC.
r reconfiguring the relevant parameters for one orboth of the ciphering and integrity protection algorithms, the
SRNC of the completion.
ND message contains neither Ciphering mode info IE nor Integrity protection mode info IE or if each of the tw
RITY MODE FAILURE message, indicating the failure of the security mode control procedure as well as the fai
procedure is performed for the network to allocate a newUTRAN Radio Network Temporary Identifier (U-RNT
E or to inform the UE of mobility-related information such as timervalues and CN domain–related information
ILITY INFORMATION message to the UE.
d fields according to the values of the IEs carried in themessage.
ge to the SRNC.
ure is performed to request a UE to transmit its capability information related to any radio access network so t
capability
l lows:
ITY ENQUIRY message to the UE through the downlink DCCH using AM RLC.
INFORMATION message to the SRNC through the uplink DCCH using AM or UM RLC. The message contai
ty information and then sends a UE CAPABILITYINFORMA CONFIRM message to the UE through the downli
tra-RNC handover or GSM to WCDMA CS handover) isperformed to set up a radio link in an SRNC-controlle
l lows:
SETUP REQUEST message to the NodeB. Afterr eceiving the message, the NodeB reserves the necessary r
meters given in the message. ssage to the CRNC.
eB saves the value of the Configuration GenerationID IE contained in the RADIO LINK SETUP REQUEST me
e.
the NodeB sends a RADIO LINK SETUP FAILURE message. The message contains the failure cause.
ure (intra-RNC handover or GSM to WCDMA CS handover)is performed for a NodeB to notify the CRNC that t
or re-achieved
n with the UE, the NodeB sends a RADIO LINK RESTOREINDICATION message to the CRNC
ilure cause
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the operations specified by the UTRAN MOBILITYINFORMATION message, the UE sends a UTRAN MOBILI
rations specified by the UTRAN MOBILITYINFORMATION message, the UE sends a UTRAN MOBILITY INF
se.
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are
e GSM
tion from one or
igure is for
ndition of the
surement conditions are
rias are met, the UE reports
ransmission during which
on cause, source PLMN,
ge when the preparation isthe target network system.
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specified by the message.
ssage indicates the failure
release of the signaling
r connection.
, CN domain indicator, target
resources and other
ical layer information,chosen
LOCATION
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algorithm for a UE. The
rotection configurations for
E sends a SECURITYMODE
IEs has inconsistent
lure cause.
I) or Cell Radio Network
at the network can perform
s the information about UE
k DCCH using AM or
NodeB for a UE
esources and configures the
sage and sends a RADIO
he uplink synchronization of
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Y INFORMATION
RMATIONFAILURE
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Click to return to main page
RRC:Measurement Control
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RRC:Measurement Report (e2d)
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RRC:Physical Channel Reconfiguration (DCCH)
RRC:Measurement Report (e2f)
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RRC: Physical Channel Reconfiguration Complete (DCCH)
RRC:Measurement Control
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RRC:Measurement Report
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RRC: Handover from UTRAN Command
Handover Completed
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value=Inter-freq meas L3 filter coeff=3
value=Inter-freq meas bas ed on CPICH Ec/No
>>"Measurement Control and Measurement Report"
val ue=i n te rF requenc yMeasu remen t (RNC send mea ruement con tr o l o f In t er Fr e
parameter CoexistMeasTh dCho ice=" COEXIST_MEAS_THD_CHOICE_INTERFR
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value=Event2D ( Start Compressed Mode)
value= InterFreqCSThd 2DEcN0=-14 dB
value= 0
value=2 dB ,Step: 0.5
value=320ms
value=Event2f ( Stop Com pressed Mode)
value= InterFreqCSThd 2FEcN0=-12 dB
value= 0
value=2 dB ,Step: 0.5
value=320ms
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value=UE tr igger Event2D to star t Compressed Mode
value=UE tr igger Event2f to stop Comp ressed Mode
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value=Compressed Mode Inforamt ion
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value=InterRAT cell list
value=InterRAT cell Index
value=InterRATCIO=0
value=NCC=6
value=BCC=4
value=GSM900 ( GSM1800 not used )
value=BCCH=64
value=interRATMeasurement (RNC send m earuement con trol of InterRAT af ter
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value=UE measu re on GSM RSSI
value=InterRATFilterCoef=3
value=UE need to verify BSIC
value=InterRATPerio dRepo rtInterval= 1000ms
value=UE report 6 InterRATcel ls to RNC
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value=RSSI= -110 + hex2dec(1E) = -80 dBm
value=BSIC=35 ( BCCH=112) refer to InterRAT CellID=7 in Measurem ent Contr o
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uency because
Q" )
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(GSM900)
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4.SRNS
13.Iu Re
8.SRNS Dat
1.RRC:Cell Change Order from UTRAN
4.SRNS
8.For
2.Routing Area Update Request
13. Iu R
UE BSS S-RNC
T( "RRC: Hand
UE Conn ected
UE Connected
UE Conn ected
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UE BSC
22. BSS Packet Flow Context Procedure
S-RNC
19.Routing Area Update Accept
20.Routing Area Update Complete
Note: the following information about the procedure ,
1.When the PS data volume is low, the UE may be in CELL_PCH, URA_PCH, or Cell_FACH stat
information, the UE can initiate cell reselection to perform a handover to GSM. The cell reselectio
SGSN to SRNC.
When the UE in Idle ,URA_PCH.Cell_PCH or Cell_FACH states, the cell reselection procedure d
2.After cell reselection to a GSM cell, the NodeB sends a RADIO LINK FAILURE INDICATION m
cell.This message, however, is unnecessary to the procedure of inter-RAT PS handover from WC
3. After the UE accesses a GSM cell, the SGSN directly sends an IU RELEASE COMMAND mes
to be transferred.
4.The SRNS context transfer is unnecessary to the procedure of inter-RAT PS handover from W
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1. Inter-RAT Handover
Decision
5.Security
2.Routing Area Update Request
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20. RAB Assignement Request
20. RAB Assignement Response
19.Service Request
Setup Radio Resources
16.Routing Area Update Accept
17.Routing Area Update Complete
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3.SGSN Context Request
5.SGSN Context Response
7.SGSN Context Acknowledge
9. Forward Packets
ontext Response
10. Update PDP Context Response
lease Command
12. Cancel Loc
6.Security Functions
C1
Forward Command
MSC-
2GGGSN
Context Request
L3 Messages - Inter-RAT Handover Procedure
ward Packets
10. Update PDP Context Request
Inter-RAT PS Handov er from WCDMA to GSM
lease Complete
12. Cancel Location A
11. Update GPRS Location
SGSN-
2G
SGSN-
3G
e procedure in this stage is simiilar to Inter-RAT CS Handover from WCDMA to GSMover from UTRAN Command " message is equivalent to "RRC:Cell Change Order from UTRA
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Inter-RAT PS Handov er from GSM to WCDMA
SGSN-
2G GGSN
MSC-
3G
14. Insert Subscriber Data
14. Insert Subscriber Data Acknowledge
15. Update GPRS Location Acknowledge
SGSN-
3G
21. TMSI Reallocation Complete
16. Location Update Request
or when UE in Idle state. Based on the parameters in the system
n is initiated with an SRNS CONTEXT REQUEST message sent from the
es not include the sub-procedires which marked with "UE Connected)
ssage because the UE stops the transmission towards the WCDMA
DMA to GSM.
age to the SRNC, if the Packet Data Protocol (PDP) context does not need
DMA to GSM.
18 Location Update Accept
L3 Messages - Inter-RAT Handover Procedure
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3.SGSN Context Request
4.SGSN Context Response
6.SGSN Context Acknowledge
7. Forward Packets
Functions
C2
10. Cancel Location A
11. Insert Subscriber Data
11. Insert Subscriber Data Acknowledge
12. Update GPRS Location Acknowledge
8. Update PDP Context Request
8 Update PDP Context Response
15 Location Update Accept
13. Location Update Request
9. Update GPRS Location
10. Cancel Loc
C1
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C3
18. TMSI Reallocation Complete
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ation
>>Inter-RA
MSC-
3GHLR
cknowledge
" )
SRNS Co nte
Iu release
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MSC-
2GHLR
>>Inter-RA
17. Update Location
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14a. Update Location
14b.Cancel Location
14c. Cancel Location Ack
14d. Insert Subscriber Data
14e. Insert Subscriber Data Ack
14f. Update Location Ack
cknowledge
ation
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T HO Algorithm and related parameters
The Inter-RAT PS handover from WCDMA to GSM pro cedure is de
1.The UE in Cell_DCH state, the UTRAN decides to initiate an inter-RAT hand
and stop the data transmission between the UE and the network
2. The UE sends a "Routing Area Update Request" message to the 2G SGSN.
attach. The BSS adds the CGI including the RAC and LAC of the cell to the rec
3. The new 2G SGSN sends an "SGSN Context Request" message to the oldTMSI Signature is valid, the old 3G SGSN starts a timer. Otherwise, the old 3G
4. If the UE stay in connected mode before handover, the old 3G SGSN sends
PDUs to the UE, and send an "SRNS Context Response" message to the old 3
5. The old 3G SGSN sends an "SGSN Context Response" message to the 2G
6. The security functions can be excuted
7. The new 2G SGSN sends an 'SGSN Context Acknowledge" message to the
ready to receive PDUs belonging to the activated PDP contexts
8. The old 3G SGSN sends a "Data Forward Command" message to the SRN
the old 3G SGSN
9. The old 3G SGSN tunnels the GTP PDUs to the new 2G SGSN. In the PDU
10. the new 2G SGSN sends an "Update PDP Context Request" message to e
message after updating it's PDP Context fields
11. The new 2G SGSN sends an "Update GPRS Location" message ,requestin
12. The HLR sends a "Cancel Location" message to the old 3G SGSN. the old
timer expires,the old 3G SGSN removes the MM and PDP contexts.
13. The old 3G SGSN sends an "Iu release command" message to the SRNS.
Release complete"
14. The HLR sends an "Insert Subscriber Data" message to the new 2G SGSN
returen an "Insert Subscriber Data Ack" message to the HLR
15.The HLR sends an "Update GPRS Location ACK" message to the new 2G
16. If the association has to be established, the new 2G SGSN sens a 'Locatio
number for creating or updating the association
17. If the subscriber data in VLR is marked as not confirmed by the HLR. the n
xt Transfer
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T HO Algorithm and related parameters
- The new VLR sends an "Update Location" message to the HLR
- The HLR cancels the data in the old VLR by sending a "Cancel Location" me
- The old VLR acknowledge the message by responding with a "Cancel Locati
- The HLR sends an "Insert Subscriber Data" message to the new VLR
- The new VLR acknowledge the message by responding with an "Insert Subs
- The HLR responds with an "Update Location Ack" message to the new VLR
18. The new VLR allocates a new TMSI and responds with a "Location Update19. The new 2G SGSN checks the presence of the MS in the new RA. If all ch
established between the new 2G SGSN and the UE. The 2G SGSN responds
20. The UE acknowledge the new P-TMSI by returning a "Routing Area Update
21. The new 2G SGSN sends a "TMSI Reallocation Complete" message to the
22. The 2G SGSN and the BSS perform the "BSS Packet Flow Context" proce
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The Inter-RAT PS handover from GSM to WCDMA pro cedure is de
1.The GSM decides to perform an inter-RAT handover in PS domanin and sto
2. The UE sends a "Routing Area Update Request" message to the 3G SGSN.
update with IMSI attach. The SRNC adds the the RAC and LAC of the cell to t
3. The new 3G SGSN obtain the address of the old 2G SGSN, and then sends
the UE. The old 2G SGSN validates the old P-TMSI signature. If the old P-TM
cause.
4. The old 2G SGSN response with an "SGSN Context Response" message to
5. The security functions can be excuted
6. The new 3G SGSN sends an 'SGSN Context Acknowledge" message to the
belonging to the activated PDP contexts
7. The old 2G SGSN copied and buffers N-PDUs, and then sends them to the
and sends them to the 3G SGSN. After the timer expires,the 2G SGSN does n
8.The new 3G SGSN sends an "Update PDP Context Request" message to ea
PDP Context fields
9. The new3G SGSN tsends an "Update GPRS Location" message to the HLR
10. The HLR sends a 'Cancel Location" message to the 2G SGSN. After the ti
Location Ack" message
11.The HLR sens an "Insert Subscriber Data" message to the 3G SGSN. The
12. The HLR sends "Update GPRS Location" by returning an "Update GPRS L
13. If the association has to be establilshed, that is . if the Update Type param
update, the 2G SGSN sends a "Location update request" message to the VLR
14. If the subscriber data in VLR is marked as not confirmed by the HLR. the n
- The new VLR sends an "Update Location" message to the HLR
- The HLR cancels the data in the old VLR by sending a "Cancel Location" me
- The old VLR acknowledge the message by responding with a "Cancel Locati
- The HLR sends an "Insert Subscriber Data" message to the new VLR
- The new VLR acknowledge the message by responding with an "Insert Subs
- The HLR responds with an "Update Location Ack" message to the new VLR
15. The new VLR allocates a new TMSI and responds with a "Location Update
16. The new 3G SGSN checks the presence of the MS in the new RA. If all ch
established between the new 3G SGSN and the UE. The 3G SGSN responds
17. The UE sends a "Routing Area Update Complete" message to confirm the
18. The new 3G SGSN sends a "TMSI Reallocation Complete" message to the
"
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. ,
20. The 3G SGSN sends a "RAB Assignment Request" message to the SRNS.
Setup Complete" message. The SRNS sends a 'RAB assignment Response"
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cribed as follows:
ver in the PS domain be sending "Cell Change Order from UTRAN' messge to UE to handover to a new
The update type in the message indicates RA update, combined RA/LA update, or combined RA/LA upd
eived message before forwarding the message to a new 2G SGSN
G SGSN to obtain the MM and PDP contexts. The old 3G SGSN validates the old P-TMSI signature. If thSGSN respons with an error cause.
an "SRNS Context Request" message. After receiving this message, the SRNS buffers the PDUs, stops
G SGSN
SGSN including the MM and PDP context
old 3G SGSN. This inform the old 3G SGSN that the new 2G SGSN is
. The SRNS starts a data-forwarding timer and sends the buffers PDUs to
, the sequence number in the GTP hearder remain unchange
ach related GGSN. Each GGSN sends an "Update PDP Context Response"
g the HLR to modify the SGSN number
3G SGSN responds with a "Cancel Location AcK" message. After the
After data-forwarding timer expires,the SRNS responds with an "Iu
. The 2G SGSN constructs an MM context and PDP context for the UE and
GSN
Update Request" message to the VLR. The VLR stores the SGSN
w VLR informs the HLP. The HLR cancel the old VLR and inserts
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ssage to the old VLR
n ACK" message
criber Data ACK" message
Accept" message to the 2G SGSNcks area successful,the new 2G SGSN constructs the MM and PDP contexts for the MS. A logical link is
to the UE with a "Routing Area Update Accept" message
Complete" message, including all PDUs successfully sent to the UE before the routing area update proc
new VLR if the UE confirms the VLR TMSI
ure
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cribed as follows:
s the data transmission between the UE and the network
The update type in the message indicates RA update, combined RA/LA update, or combined RA/LA
e received message before forwarding the message to a new 3G SGSN
an 'SGSN Context Request" message to the old 2G SGSN to construct the MM and PDP contects for
I Signature is valid, the old 2G SGSN starts a timer. Otherwise, the old 2G SGSN respons with an error
the 3G SGSN including the MM and PDP context
old 2G SGSN. This inform the old 2G SGSN that the new 3G SGSN is ready to receive PDUs
G SGSN. Before the timer expires ,if there are other N-PDUs from the GGSN,the 2G SGSN compies
ot send N-PDUs to the 3G SGSN anymore
ch related GGSN. Each GGSN sends an "Update PDP Context Response" message after updating it's
er expires,the 2G SGSN removes the MM and PDP contexts. The 2G SGSN response with a 'Cancel
G SGSN constructs an MM context and sends an "Insert Subscriber Data Ack" message to the HLR
ocation Ack" message to the 3G SGSN
ter indicates a combined RA/LA update with IMSI attach requested, or if the LA changed with the RA
. The VLR stores the SGSN number for creating or updating the association
w VLR informs the HLP. The HLR cancel the old VLR and inserts subscriber data in the new VLR
ssage to the old VLR
n ACK" message
criber Data ACK" message
Accept" message to the 3G SGSN
cks area successful,the new 3G SGSN constructs the MM and PDP contexts for the MS. A logical link is
to the UE with a "Routing Area Update Accept" message
allocated P-TMSI
new VLR if the UE confirms the VLR TMSI
"
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.
. The SRNS sens a 'Radion Beare Setup Request" message to the UE. The UE responds with a 'Radio B
essage to the SGSN. The SRNS sends N-PCDS to the UE
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SM cell
te with IMSI
e old P-
ending the
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dure
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arer
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Click to return to main page
2.Suspend
3.Suspend
3. Suspend Ack
4. Resume
4. Resume NAck
5.Channel Release
Click to return to main page
2.Suspend
3.Suspend
1. Inter-RAT H
6. Routing Area Update Request
Inter-RAT CS&PS Hando ver from
L3 Messages - Inter-RAT
1. Inter-RAT H
2G
SGSN
UE BSS 2G/3G
SGSN
L3 Messages - Inter-RAT
UE BSS
Inter-RAT CS&PS Hando ver from
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3. Suspend Ack
4. Resume
4. Resume NAck
5.Channel Release
6. Routing Area Update Request
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3. SRNS Context Request
3. SRNS Context Response
>>Inter-RAT HO Algorithm a
>>Inter-RAT HO Algorithm a
ndover
For a UE in
from the U
message to
on the GS
if the inter-
inititates a
connection
The signalli
1. The UE i
2. The UE
3. The BSS
downlink Preturns a "
4. When th
changed. T
5. The BSS
6. The UE
use.
CDMA to GSM (Int ra-SGSN)
MSC
/VL
andover Procedure
ndover
MSC
/VLSRNS
SRNS
andover Procedure
For a UE in
from the U
message to
on the GS
if the inter-
inititates a
connection
The signalli
1. The UE i
2. The UE
CDMA to GSM (Int er-SGSN)
3G SGSN
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3. The BSS
4. When th
changed. T
5. The BSS
6. The UE
use.
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d related parameters
d related parameters
Cell_DCH state using both CS and PS domain services,the inter-RAT handover procedure is based on the m
RAN. The UE performs the inter-RAT handover from UTRA RRC Connected Mode to GSM Connected Mode
the GSM/BSS, the UE initiates a temporary block flow (TBF) towards the GPRS to suspend the GPRS servic
side, the inter-RAT handover in the PS domain resumes, which indicates that the handover is completed.
AT handover from UTRA RCC Conencted Mode to GSM Connected Mode succeeds,the handover is regards
BF towards the GPRS or not. In case of inter-RAT handover failure, the UE may go back to the UTRA RRC C
in the original state.
ng procedures are described as follows,
n connection with both CS and PS domain perrforms the UMTS to GSM handover during which the CS service
ends a suspend message to the BSS
forwards the 'Suspend" message to the SGSN. The SGSN sends a "SRNS Context Request" message to the
Us. After receiving the message, the SRNS buffers downlink PDUs and respons to the SGSN with an 'SRNSuspend Ack" message to the BSS
CS connection is terminated , the BSS may send a 'Resume" message to the SGSN. However,resume is im
herefore,the SGSN acknowledge the resume through a 'Resume NACK"
sens an RR message 'Channel Release" to the UE, indicating that the BSS fails to request the SGSN to resu
ends a 'Routing Area Update Request" message to the SGSN to resume the GPRS service. The update mod
Cell_DCH state using both CS and PS domain services,the inter-RAT handover procedure is based on the m
RAN. The UE performs the inter-RAT handover from UTRA RRC Connected Mode to GSM Connected Mode
the GSM/BSS, the UE initiates a temporary block flow (TBF) towards the GPRS to suspend the GPRS servic
side, the inter-RAT handover in the PS domain resumes, which indicates that the handover is completed.
AT handover from UTRA RCC Conencted Mode to GSM Connected Mode succeeds,the handover is regards
BF towards the GPRS or not. In case of inter-RAT handover failure, the UE may go back to the UTRA RRC C
in the original state.
ng procedures are described as follows,
n connection with both CS and PS domain perrforms the UMTS to GSM handover during which the CS service
ends a sus end messa e to the BSS
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forwards the 'Suspend" message to the SGSN. The SGSN returns a "Suspend Ack" message to the BSS
CS connection is terminated , the BSS may send a 'Resume" message to the SGSN. However,resume is im
herefore,the SGSN acknowledge the resume through a 'Resume NACK"
sens an RR message 'Channel Release" to the UE, indicating that the BSS fails to request the SGSN to resu
ends a 'Routing Area Update Request" message to the SGSN to resume the GPRS service. The update mod
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asurement reports from the UE but is initiated
first. After the UE sends a handover complete
s. After the CS domain services are released
as successful.no matter whether the UE
onnected Mode and re-establish the
is handed over to the GSM
SRNS, requesting the SRNS to stop sending
Context Response" messge. The SGSN
ossible since the radio access system has
e the GPRS service for the UE
depends on the network operation mode in
asurement reports from the UE but is initiated
first. After the UE sends a handover complete
s. After the CS domain services are released
as successful.no matter whether the UE
onnected Mode and re-establish the
is handed over to the GSM
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ossible since the radio access system has
e the GPRS service for the UE
depends on the network operation mode in
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Click to return to main page
5. RNSAP: Relocation Commit
UE SRNC DR
SRNS Static Relocation (UE not- involv ed
1.RANAP: Relo
L3 Messages - Intra-Frequency Hard Han
14. RANAP: Iu
4.RANAP: Relo
7. RRC:UTRAN Mobility Information
10. RRC:UE Capability Information (DCCH)
9. RRC:UE Capability Enquiry (DCCH)
11. RRC:UE Capability Information Confirm (DCCH)
8. RRC:UTRAN Mobility Information Confirm
13. RANAP: Iu R
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2. RNSAP: Signalling Transfer
Indication
L3 Messages - Intra-Frequency Hard Han
SRNC DR
SRNS Relo catio n w ith Cell /URA Up date (UE n ot-i
1. Cell Update/URA Update
UE
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7. RNSAP: Relocation Commit
Note the fo l lowing in format ion about the p rocedure :
1.The DRNC acquires the SRNC ID of the UE from the URNTI IE in the CELL UPDATE
SIGNALLING TRANSFER INDICATION messageto the SRNC to indicate that the UE re
2.To initiate a cell update, the UE sends a CELL UPDATE message to the DRNC. To initi
UPDATE message to the DRNC.
3.After a successful cell update, the DRNC sends a CELL UPDATE CONFIRM message
the DRNC sends a URA UPDATE CONFIRM message to the UE.
4.After receiving the CELL UPDATE CONFIRM or URA UPDATE CONFIRM messagefro
PHYSICAL CHANNEL RECONFIGURATION COMPLETE message (for the cell update)
CONFIRM message (for the URA update) to the DRNC. This response from the UE is op
13. RRC:UE Capability Information Confirm (DCCH)
15. RANAP: Iu R
16. RANAP: Iu
11. RRC:UE Capability Enquiry (DCCH)
12. RRC:UE Capability Information (DCCH)
9. RRC:Cell Update Confirm/URA Update Confirm
10. RRC:Physical Channel Reconfiguration Complete/UTRAN Mobility
Information Confirm
6.RANAP: Relo
3RANAP: Relo
Cell
Update/U
RA
Update
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9. RRC:UE Capability Enquiry (DCCH)
L3 Messages - Intra-Frequency Hard Han
1.RANAP: Relo
10. RRC:UE Capability Information (DCCH)
5.RANAP: Forwa
11. RRC:UE Capability Information Confirm (DCCH)
13. RANAP: Iu R
14. RANAP: Iu
4.RANAP: Relo
9. RRC:Physical Channel Reconfiguration Complete
SRNS Relo catio n w ith Hard Han do ver(UE in v
UE SRNC DR
7.RRC:Physical ChannelReconfigurationPhysicalC
hannelReconfig
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Note the fo l lowing in format ion about th e procedure :
1.During the relocation with hard handover, if an RAB supporting lossless SRNS r
SRNC sends the GTP-U and PDCP sequence numbers to the DRNC through the
sequence numbers are required for data forwarding.
2.After receiving a RADIO LINK RESTORE INDICATION message from the Node
message to the CN.
3.If the DRNC does not obtain the information about the UE capability, the DRNC i
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2.RANAP Relocation Request
3.RANAP Relocation Request Ack
6. RANAP:Relocation Detect
12. Relocation Complete
>>SRNC Relocation Algorithm and related
The
->D
->D
Th
1.T
ca
2.T
3.T
RE
rele
to b
C CN
relocat ion)
cation Required
over Procedure
elease Complete
ation Command
The
Net
Th
1.T
2.T
The
Th
1.T
RE
2.T
3.T
The
->D->D
Th
1.T
indi
2.T
3.T
me
Ide
part
so
elease Command
Relocation Preparation
Relocation Resourc e Al location
Relocat ion Comm it
Iu release
UE capabi l i ty enqu iry
UTRAN mobi l i ty in format ion
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The
can
Th
1.T
2.T
info
3.T
AM
over Procedure
C CN
The
->T
->T
->T
->T
Th
1.T
sign
part
2.T
The->D
->D
Th
1.T
PL
2.T
3.T
RE
rele
volved relocat ion)
.
->If
INF
->If
INF
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4.RANAP Relocation Request
5.RANAP Relocation Request Ack
8. RANAP:Relocation Detect
14. Relocation Complete
The
upd
Th
1.T
U-R
2.T
ciph
essage and then sends an UPLINK
uests a cell update.
iate a URA update, the UE sends a URA
tothe UE. After a successful URA update,
m the DRNC, the UE can send a
or a UTRAN MOBILITY INFORMATION
tional.
elease Command
elease Complete
The
pro
The
failu
Th
1.T
RN
2.Tcha
3.A
me
->U
->P
->T
->R
->R
ation Command
The
->D
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Th
1.T
indi
2.T
3.T
me
incl
, an
so
RE cation Required
Relocation Preparation
Relocation Resourc e Al location
Relocat ion Comm it
Iu release
UE capabi l i ty enqu iry
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The
->T
->T
->T
->T
The
can
Th
1.T
2.T
info
3.T
AM
The
Net
Th
1.T
2.T
3.T
->If
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->If
INF
.
par
The
Th
1.T
RE
2.T
3.T
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2.RANAP: Relocation Request
3.RANAP: Relocation Request Ack
6.RANAP: Forward SRNS Context
8. RANAP:Relocation Detect
12. Relocation Complete
over ProcedureThe
->D
->D
Th
1.T
PL
2.T
3.T
RE
rele
RE
cation Required
rd SRNS Context
The
Th
1.
me
for
2.A
3.T
The
->D
->D
Th
1.T
CN
2.T
3.T
RE
incl
and
so
elease Command
elease Complete
1.T
sign
part
2.T
ation Command
lved relocat ion)
C CN
Relocation Preparation
Relocation Resourc e Al location
Relocat ion Comm it
Iu release
UE capabi l i ty enqu iry
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The
->T
->T
->T
->T
Th
1.T
sign
part
2.T
location is available on the Iu-PS interface, the
FORWARD SRNS CONTEXT message. The
B, theDRNC sends a RELOCATION DETECT
initiatesa UE capability enquiry procedure.
4.T
The
Th
1.T
2.T
3.T
->If
CH
->If
old
the
The
can
Th
1.T
2.T
info
3.T
AM
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arameters
relocation preparation procedure can be triggered in either of the following conditions:
uring an SRNS relocation, the SRNC sends a RELOCATION REQUIRED message.
uring an inter-RAT CS handover from WCDMA to GSM, the SRNC sends aRELOCATION REQUIRED messa
procedure is descr ibed as fo l lows:
e SRNC sends a RELOCATION REQUIRED message to the CN. The message containscertain information s
se, source PLMN, source LAC,source SAC, target PLMN, and target LAC
e CN interacts with the target RNC or the target network system, such as the GSMsystem, to prepare relevan
e CN sends a response message to the SRNC.lIf the target RNC or the target network system prepares the r
OCATION COMMAND message when thepreparation is complete. The message contains the L3 information
vant resources allocated by the target RNC or the targetnetwork system.lIf the resources partially or totally fail
e allocated, the CN sends a RELOCATIONPREPARATION FAILURE message.
UTRAN m obi l i ty in format ion procedure is performed for the network to allocate a newUTRAN Radio Netwo
ork TemporaryIdentifier (C-RNTI) to a UE or to inform the UE of mobility-related information such as timer va
procedure is descr ibed as fo l lows:
e SRNC sends a UTRAN MOBILITY INFORMATION message to the UE
e UE starts to update the related fields according to the values of the IEs carried in themessage.
re locat ion commit procedure is performed to execute the change of control from the SRNCof a UE to the
procedure is descr ibed as fo l lows:
e SRNC sends a RELOCATION COMMIT message to the DRNC. If an RAB supportinglossless SRNS reloca
OCATION COMMITmessage carries the GTP-U and PDCP sequence numbers required for data forwarding.
e DRNC sends a RELOCATION DETECT message to the CN to notify the CN of thedetection of the relocatio
e original DRNC sends a RELOCATION COMPLETE message to the CN to notify thatthe relocation is succe
relocation resource al location procedure can be triggered in either of the following conditions:
uring an SRNS relocation, the CN applies for resources from the target RNCuring an inter-RAT CS handover from GSM to WCDMA, the CN applies for resourcesfrom the target RNC
procedure is descr ibed as fo l lows:
e CN sends a RELOCATION REQUEST message to the target RNC. The messagecontains certain informati
cator, target cellidentifier, encryption, integrity protection, Iu signaling connection ID, handover cause, and RA
e target RNC allocates radio resources for the relocation.
e target RNC sends a response message to the CN.lIf the resources are allocated, the target RNC sends a R
sage. The message contains the radio resources and otherparameters allocated to the UE. The parameters i
tifier (U-RNTI), RAB, transport layer and physical layer information,chosen encryption algorithm, and chosen i
ially or totally fail to be allocated or the target RNC rejects the SRNSrelocation for
e reason, the target RNC sends a RELOCATION FAILURE message,indicating the failure cause.
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UE capabi l i ty enqu iry procedure is performed to request a UE to transmit its capabilityinformation related to
perform dataconfiguration based on the UE capability.
procedure is descr ibed as fo l lows:
e SRNC sends a UE CAPABILITY ENQUIRY message to the UE through the downlink DCCH using AM RLC
e UE sends a UE CAPABILITY INFORMATION message to the SRNC through theuplink DCCH using AM or
rmation about UE capabilities.
e SRNC reads the UE capability information and then sends a UE CAPABILITYINFORMA CONFIRM messa
or UMRLC.
Iu release procedure can be triggered in one of the following conditions:
he transaction between the UE and the CN is complete.
he UTRAN requests the CN to release the resources on the Iu interface by, for example,sending an IU RELEA
he Serving Radio Network Subsystem (SRNS) is relocated.
he SRNS relocation is canceled after a relocation resource allocation procedure iscomplete.
procedure is descr ibed as fo l lows:
e CN sends an IU RELEASE COMMAND message to the SRNC to initiate the Iu releaseprocedure. The mes
aling connection.NOTE After sending the IU RELEASE COMMAND message, the CN will not send further RA
icular connection.
e SRNC releases the related UTRAN resources and then sends an IU RELEASE COMPLETE message to th
relocation preparation procedure can be triggered in either of the following conditions:uring an SRNS relocation, the SRNC sends a RELOCATION REQUIRED message.
uring an inter-RAT CS handover from WCDMA to GSM, the SRNC sends aRELOCATION REQUIRED messa
procedure is descr ibed as fo l lows:
e SRNC sends a RELOCATION REQUIRED message to the CN. The message containscertain information s
N, source LAC,source SAC, target PLMN, and target LAC
e CN interacts with the target RNC or the target network system, such as the GSMsystem, to prepare relevan
e CN sends a response message to the SRNC.lIf the target RNC or the target network system prepares the r
OCATION COMMAND message when thepreparation is complete. The message contains the L3 information
vant resources allocated b the tar et RNC or the tar etnetwork s stem.lIf the resources artiall or totall fail
.
the UE succeeds in conducting the operations specified by the UTRAN MOBILITYI NFORMATION message,
ORMATIONCONFIRM message.
the UE fails to conduct the operations specified by the UTRAN MOBILITYINFORMATION message, the UE s
ORMATIONFAILURE message, indicating the failure cause.
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URA update procedure is performed to update the URA-related location information on thenetwork side whe
ate procedure can be triggered in either of the following conditions:URA reselection or Periodical URA update
procedure is descr ibed as fo l lows:
e UE sends a URA UPDATE message to the RNC to initiate the URA update. The message contains the cau
NTI.
e RNC sends a URA UPDATE CONFIRM message to the UE. The message containsthe new C-RNTI and U-
ering and integrityprotection modes.
cel l update procedure is performed to update the UE-related information on the UTRANside when the locati
edure takes the role ofmonitoring the RRC connection, switching the status of the RRC connection, reporting
cell update procedure can be triggered in one of the following conditions:Cell reselection,Re-entering the serv
re,Paging response,Uplink data transmission and RLC unrecoverable error
procedure is descr ibed as fo l lows :
e UE sends a CELL UPDATE message to the RNC. The message contains the information such as the Servi
I) andthe SRNC ID.
e RNC sends a CELL UPDATE CONFIRM message to the UE. The message containsthe information such annels, physicalchannels, and radio bearers.
cording to related IEs in the received message, the UE may respond with messages ornot. If the UE respond
sages:
TRAN MOBILITY INFORMATION CONFIRM
HYSICAL CHANNEL RECONFIGURATION COMPLETE
RANSPORT CHANNEL RECONFIGURATION COMPLETE
ADIO BEARER RECONFIGURATION COMPLETE
ADIO BEARER RELEASE COMPLETE
relocation resource al location procedure can be triggered in either of the following conditions:
uring an SRNS relocation, the CN applies for resources from the target RNC
uring an inter-RAT CS handover from GSM to WCDMA, the CN applies for resourcesfrom the target RNC
procedure is descr ibed as fo l lows:
e CN sends a RELOCATION REQUEST message to the target RNC. The messagecontains certain informati
cator, target cellidentifier, encryption, integrity protection, Iu signaling connection ID, handover cause, and RA
e target RNC allocates radio resources for the relocation.
e target RNC sends a response message to the CN.lIf the resources are allocated, the target RNC sends a R
sage. The message contains the radio resources and otherparameters allocated to the UE. The parameters
lude the UTRAN Radio NetworkTemporary Identifier (U-RNTI), RAB, transport layer and physical layer informa
d chosen integrity protection algorithm.lIf the resources partially or totally fail to be allocated or the target RNC
e reason, the target RNC sends a RELOCATION FAILURE message,indicating the failure cause.
.
OCATIONPREPARATION FAILURE message.
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Iu release procedure can be triggered in one of the following conditions:
he transaction between the UE and the CN is complete.
he UTRAN requests the CN to release the resources on the Iu interface by, for example,sending an IU RELEA
he Serving Radio Network Subsystem (SRNS) is relocated.
he SRNS relocation is canceled after a relocation resource allocation procedure iscomplete.
UE capabi l i ty enqu iry procedure is performed to request a UE to transmit its capabilityinformation related to
perform dataconfiguration based on the UE capability.
procedure is descr ibed as fo l lows:
e SRNC sends a UE CAPABILITY ENQUIRY message to the UE through the downlink DCCH using AM RLC
e UE sends a UE CAPABILITY INFORMATION message to the SRNC through theuplink DCCH using AM or
rmation about UE capabilities.
e SRNC reads the UE capability information and then sends a UE CAPABILITYINFORMA CONFIRM messa
or UMRLC.
UTRAN m obi l i ty in format ion procedure is performed for the network to allocate a newUTRAN Radio Netwo
ork TemporaryIdentifier (C-RNTI) to a UE or to inform the UE of mobility-related information such as timer va
procedure is descr ibed as fo l lows:
e SRNC sends a UTRAN MOBILITY INFORMATION message to the UE
e UE starts to update the related fields according to the values of the IEs carried in themessage.
e UE sends a response message to the SRNC.
the UE succeeds in conducting the operations specified by the UTRAN MOBILITYI NFORMATION message,
ORMATIONCONFIRM message.
the UE fails to conduct the operations specified by the UTRAN MOBILITYINFORMATION message, the UE s
ORMATIONFAILURE message, indicating the failure cause.
. ,
meters intoeffect.
re locat ion commit procedure is performed to execute the change of control from the SRNCof a UE to the
procedure is descr ibed as fo l lows:
e SRNC sends a RELOCATION COMMIT message to the DRNC. If an RAB supportinglossless SRNS reloca
OCATION COMMITmessage carries the GTP-U and PDCP sequence numbers required for data forwarding.
e DRNC sends a RELOCATION DETECT message to the CN to notify the CN of thedetection of the relocatio
e original DRNC sends a RELOCATION COMPLETE message to the CN to notify thatthe relocation is succe
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relocation preparation procedure can be triggered in either of the following conditions:
uring an SRNS relocation, the SRNC sends a RELOCATION REQUIRED message.
uring an inter-RAT CS handover from WCDMA to GSM, the SRNC sends aRELOCATION REQUIRED messa
procedure is descr ibed as fo l lows:
e SRNC sends a RELOCATION REQUIRED message to the CN. The message containscertain information s
N, source LAC,source SAC, target PLMN, and target LAC
e CN interacts with the target RNC or the target network system, such as the GSMsystem, to prepare relevan
e CN sends a response message to the SRNC.lIf the target RNC or the target network system prepares the r
OCATION COMMAND message when thepreparation is complete. The message contains the L3 information
vant resources allocated by the target RNC or the targetnetwork system.lIf the resources partially or totally fail
OCATIONPREPARATION FAILURE message.
r elocat ion comm it procedure is performed to execute the change of control from the SRNCof a UE to the D
procedure is descr ibed as fo l lows :
hen an RAB supporting lossless SRNS relocation is available on the Iu-PS interface, theSRNC sends a FOR
sage to the SGSN to ask the SGSN totransfer the GTP-U and PDCP sequence numbers to the DRNC. The s
arding.
ter receiving the FORWARD SRNS CONTEXT message, the SGSN forwards themessage to the DRNC.
e UE is handed over from the SRNC to the DRNC through a physical channelreconfiguration procedure. After
relocation resource al location procedure can be triggered in either of the following conditions:
uring an SRNS relocation, the CN applies for resources from the target RNC
uring an inter-RAT CS handover from GSM to WCDMA, the CN applies for resourcesfrom the target RNC
procedure is descr ibed as fo l lows:
e CN sends a RELOCATION REQUEST message to the target RNC. The messagecontains certain informati
domain indicator, target cellidentifier, encryption, integrity protection, Iu signaling connection ID, handover cau
e target RNC allocates radio resources for the relocation.
e target RNC sends a response message to the CN.lIf the resources are allocated, the target RNC sends a R
UESTACKNOWLEDGE message. The message contains the radio resources and otherparameters allocate
lude the UTRAN Radio NetworkTemporary Identifier (U-RNTI), RAB, transport layer and physical layer informa
chosen integrity protection algorithm.lIf the resources partially or totally fail to be allocated or the target RNC r
e reason, the target RNC sends a RELOCATION FAILURE message,indicating the failure cause.
e CN sends an IU RELEASE COMMAND message to the SRNC to initiate the Iu releaseprocedure. The mes
aling connection.NOTE After sending the IU RELEASE COMMAND message, the CN will not send further RA
icular connection.
e SRNC releases the related UTRAN resources and then sends an IU RELEASE COMPLETE message to th
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Iu release procedure can be triggered in one of the following conditions:
he transaction between the UE and the CN is complete.
he UTRAN requests the CN to release the resources on the Iu interface by, for example,sending an IU RELEA
he Serving Radio Network Subsystem (SRNS) is relocated.
he SRNS relocation is canceled after a relocation resource allocation procedure iscomplete.
procedure is descr ibed as fo l lows:
e CN sends an IU RELEASE COMMAND message to the SRNC to initiate the Iu releaseprocedure. The mes
aling connection.NOTE After sending the IU RELEASE COMMAND message, the CN will not send further RA
icular connection.
e SRNC releases the related UTRAN resources and then sends an IU RELEASE COMPLETE message to th
,
e original DRNC sends a RELOCATION COMPLETE message to the CN to notify thatthe relocation is succe
physica l ch annel reconf iguration procedure is performed to set up, reconfigure, or releasea physical chan
procedure is descr ibed as fo l lows :
e SRNC sends a PHYSICAL CHANNEL RECONFIGURATION message to the UE to request reconfiguration
e UE saves the IEs of the UE, Radio Bearer (RB), transport channel, and physical channel.
e UE sends a response message to the SRNC.
successfully reconfiguring the physical channels specified by the PHYSICALCHANNEL RECONFIGURATION
NNELRE CONFIGURATION COMPLETE message on the uplink DCCH by using AM RLC.
failing to reconfigure the physical channels specified by the PHYSICAL CHANNELRECONFIGURATION mes
physicalchannel configuration and sends a PHYSICAL CHANNEL RECONFIGURATION FAILURE message
Failure causeIE contained in the PHYSICAL CHANNEL RECONFIGURATION FAILURE message is "physical
UE capabi l i ty enqu iry procedure is performed to request a UE to transmit its capabilityinformation related to
perform dataconfiguration based on the UE capability.
procedure is descr ibed as fo l lows:
e SRNC sends a UE CAPABILITY ENQUIRY message to the UE through the downlink DCCH using AM RLC
e UE sends a UE CAPABILITY INFORMATION message to the SRNC through theuplink DCCH using AM or
rmation about UE capabilities.
e SRNC reads the UE capability information and then sends a UE CAPABILITYINFORMA CONFIRM messa
or UMRLC.
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ge.
uch as relocation type, relocation
t resources.
levant resourcessuccessfully, the CN sends a
IE, which carries theinformation about the
rk Temporary Identifier (U-RNTI) or Cell Radio
lues and CN domain–related information.
RNC
tion is available on the Iu-PS interface, the
hen, the SRNC initiates data forwarding.
n commitment.
sful.
on, such as the IMSI of the UE, CN domain
parameters.
ELOCATION REQUESTACKNOWLEDGE
clude the UTRAN Radio NetworkTemporary
ntegrity protection algorithm.lIf the resources