S01 3G RPLS2_v2-0 Warming Up
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Transcript of S01 3G RPLS2_v2-0 Warming Up
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1 NOKIA topic: Warming Up/ July 2003 /
Warming Up
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UMTS Releases
UMTS Release 99
UMTS Release 4
UMTS Release 5
UMTS Release 6
UMTS CN = enhanced GSM NSS
UTRAN WCDMA
Bearer independent CS domain
Low chip rate TDD mode
UTRA repeater
MMS
LCS enhancements
etc.
IP Multimedia Subsystem (IMS)
RNC connectivity to multiple CN nodes
HSCSP
etc.
WLAN-3GPP feasibility study
Network sharing feasibility study
Security enhancements
Push services
etc.
1999
2001
2002
2003
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UMTS Release 99 Core NetworkCN (Core Network)
circuit switched (cs) domain
packet switched (ps) domain
commoncs ps
networkelements
GERAN
UTRAN WAP
corporatenetworks
PDNIP-backbone
CGF
BillingCentre
BGF
Inter-PLMN
Network
PSTN/ISDN
MSC/VLR GMSC
EIR HLRAC
SGSN GGSN
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UTRANCN
circuitswitched(cs)
domain
packetswitched
(ps)domain
UTRANRadio Network Subsystem (RNS)
Radio Network Subsystem (RNS)
Iub
Iub
Iur
Iu-PS
Iu-CS
Uu
Uu
UE
UE
MSC/VLR
SGSN
RNC
RNC
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RNC Tasks and Functions
WCDMA radio resource managementincl. Radio resource management of channel configurations,
traffic and control channels, handovers, power control.
Telecom functionalityincl. Location & connection management, ciphering, Iu and Iub
channel management, ATM switching and multiplexing
Maintenanceincl. Fault localisation and reconfiguration
Operationincl. RNC and Node B parameter modification
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Node B Tasks and Functions
IubInterfaceATM
UuInterfaceWCDMA
Cellular Transmission management
Managing ATM switching and multiplexingover the Iub interface. Control of AAL2/AAL5
connections. Control of the physicaltransmission interfaces E1, PDH, SDH or
microwave.
Air Interface management.
Controlling Uplink and Downlinkradio paths on the Uu Air
Interface. Baseband to RFconversion. Antenna multi-
coupling.
O&M Processing.Interfacing with NMS
and RNC for alarm andcontrol (Operations andMaintenance) functions.
Radio Channel functions.Logical to physical channel
mappings. Encoding/Decoding
Spreading/Despreading usertraffic and signalling.
RNC
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Key WCDMA Facts
Duplex Transmission Modes: Frequency Division Duplex (FDD)
Time Division Duplex (TDD)
Multiple Access:
Code Division Multiple Access (CDMA)
Modulation (Rel. 99) Quadratur Phase Shift Keying (QPSK)
Bandwidth (Rel. 99)
5 MHz
Time Organisation:
10 ms per radio frame
15 time slots per frame
72 radio frames per hyperframe
2560 chips per timeslot
Spreading
Spreading codes =
channelisation codes scrambling codes
Chip rate: 3.84 Mchips
Channelisation codes = orthogonal codes,
length: depends on spreading factor
Scrambling codes = pseudo noise codes
(derived from Gold code family)
length: 38400 chips (10 ms)
Spreading Factors (FDD mode):
UL: 4, 8, 16, 32, 64, 128, 256
DL: 4, 8, 16, 32, 64, 128, 256, 512
The spreading factor can be changed every
TTI (10, 20, 40, or 80 ms).
Handover types: Soft & Softer HO (FDD only),
Hard Handover;
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AS and NAS Signalling
UTRAN
RNC
UE CN Iu edge node
NAS signalling and user datai.e. MM, PMM & CC, SS, SMS, SM
Access Stratum Signalling
(Uu Stratum)
RRC
Access Stratum Signalling
(Iu Stratum)
RANAP
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UMTS QoS ArchitectureTE TE
CN
GatewayMT UTRANCN Iu
edge node
End-to-End Service
TE/MT Local
Bearer Service
External
Bearer ServiceUMTS Bearer Service = UMTS QoS
CN
Bearer Service
Radio Access
Bearer Service
Backbone
Bearer Service
Radio
Bearer Service
Iu
Bearer Service
UTRA FDD/TDD
Service
Physical
Bearer Service
(adopted from TS 23.107)
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QoS Management Functions in the Control PlaneTE
ext.
network
CN
GatewayMT UTRANCN Iu
edge node
UMTS BS
Manager
UMTS BS
Manager
UMTS BS
Manager
RABManager
CN BS
Mana-
ger
Iu BS
Mana-
ger
Ext. BS
Mana-
ger
CN BS
Mana-
ger
Iu BS
Mana-
ger
Radio
BS
Mana-
ger
Radio
BS
Mana-
ger
Local
BS
Mana-
ger
BB NS
Mana-
ger
Iu NS
Mana-
ger
BB NS
Mana-
ger
Iu NS
Mana-
ger
UTRA
ph. BS
Mana-
ger
UTRA
ph. BS
Mana-
ger
Subscr
Control
Adm/Cap.
Control
Adm/Cap.
Control
Trans-
lation
Adm/Cap.
Control
Adm/Cap.
Control
Trans-
lation
(adopted from
TS 23.107)
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UTRAN Specific Signalling and Control Protocols
3G-MSC/VLR
3G-SGSN
UE Node B RNC
RNC
RNS
RNS
RRC
Iur: RNSAP
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UMTS Bearer AttributesTraffic class Backgroundclass
Interactiveclass
Streamingclass
Conversationalclass
Maximum bit rate
SDU format
information
SDU error ratio
Residual bit
error ratio
Delivery of
erroneous SDUs
Transfer delay
Guaranteed bit rate
Traffic handling
priority
Allocation/Retention
priority
Delivery order
Maximum SDU size
(adopted from TS 23.107
chap. 6.4.3.3)
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Physical Layer
General Protocol Model for UTRAN Interfaces(copied from TS 25.401 chap. 11.1.1)
Control Plane User PlaneRadioNetworkLayer
TransportNetworkLayer
Application
Protocol
Signalling
Bearer(s)
Signalling
Bearer(s)
Data
Bearer(s)
ALCAP
Data
Streams
Transport Network
Control Plane User Plane
Transport Network
User Plane
Transport Network
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MAC Layer
RLC Layer
PHY Layer
Radio Interface Protocol Architecture (in UE)
(copied from TS 25.301 chap. 5.1)
Control Plane Signalling User Plane Signalling
RRC Layer
TrCHs
RLC RLC
RLCRLC
RLC RLC
RLCRLC
BMC
PDCPPDCP
PDCP
PhyCHs
LogCHs
RBscontrol
controlcontrol
control
control