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UMTS Transmission Overview
Agenda
UMTS & OSI model & Transmission media PDH & SDH overview ATM overview IP overview UMTS transmission product overview IPv6 & Future migration & Conclusion
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- Switching Node (switchboard)
Telephony at the Turn of the Century
Manual Operators
Already Characteristic Architecture
- Adaptation of Mode of Information Transfer (MIT)in one network to MIT in another which provides a
service to the first.
- Topology of transmission links (copper)
- Adapted Data sources (telephone)
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Evolution of Connectivity Management
Network Management = Army of Operators Limitation to further expansion
Almon B. Strowger invents step by step mechanism and automation begins
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Evolution of Connectivity Management
DDF provides manual Topology Configuration
Transmission multiplexing gives rise to clear
Client and Server Layers
Each Layer has all the Qualities of Network
- Point to Point Connectivity
- Topology etc.
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Digital Revolution
Digital Communication introduced forinteroffice applications.
Emerging International Standard of 64 Kbit/s
and 8 KHz Sampling Rate.
Main driving force technological not market.
Operations exclusively manually connectedby DDF.
Support by paper and manual recordkeeping.
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Data/IPNetwork
s
PLMN
PSTN/ISDN
CATV
Services
Access Transport & Switching Networks
Data/IP
Networks
PLMN
PSTN/ISDN
CATV
Services/Applications
Connectivity
Technical VisionVertical vs Horizontal Integration
Todays Solutions Future Solutions
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Operator needs?
Reuse of installed equipmentDifferent transmissiontechnologies
Flexibility to different servicesPacket switchedCircuit switchedBit rates
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UMTS network solution
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GSM to UMTS migration scenario
GMSC
HLR
EIR
AUC
SCF
SMS-
IWMSC
AN CN
External
Networks
UE
MSC
SMS-
GMSC
MSCBSCBTSSIM MT
A
ISDN
PSTN
PSPDN
CSPDN
PDN:
-Intranet
-Extranet
-Internet
BSS
Iu
RNCBS
Iur
USIM ME
RNCBSUSIM ME
Iu
RNS
RNS
UTRAN
Note:
Not all interfaces
shown and named
GGSN
SGSN
SGSN
Gb
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Connectivity layer
MGW MGW
Server and Media Gateway, MGW
Control layer
Server
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Connectivity Layer
Applications
Control Layer
New Network Architecture
IP applicationsVirtual Home Env.Open Services Architecture
Call ControlSession ManagementMobility ManagementSecurity
Switching
RoutingUser data
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Layered Network Architecture
ApplicationApplicationService Capability Servers
Control
MSC SGSN HLR/AuC/FNR GMSC/Transit
SGW
ConnectivityMGW
MGW
GGSN
Services/application
layer
User dataControl
ServerServerServer
Servers
Servers
PSTN/
ISDN
Internet
Intranets
WCDMA
EDGEGSM
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A connection described by the OSI model
Application
Presentation
SessionTransport
Network
Data link
Physical
OSI
Application
OSI
peer-to-peercommunication
Network
intermediateswitch / router
Data link
Physical
Data link
Physical
Presentation
SessionTransport
Network
Data link
Physical
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Layered communication
Layer (N+1)
Layer N
Layer (N-1)
PDU
SDU
PDU
PCI
SDU
PCI - protocol control information, header and/or trailePDU - protocol data unitSDU - service data unitSAP - service access point
SAP
SAP
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