WCDMA Core Network

3G Non-technical Presentation

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Agenda

Network OverviewMarket SituationEricsson PortfolioNetwork EvolutionSummary

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Network Overview

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Network Overview-Cont’

GMSCGMSC

Core Network

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Network Overview-Cont’

Circuit Switch

Packet Switch

GMSCGMSC

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Circuit Switch Network

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Circuit Switch Overview-Cont’ what is MSC?

Mobile Switching Center (MSC)Combines of MSC-S & M-MGwResponsible for:

– Routing traffic and– Signaling information in the network

Some functions:– Call control management (Registration,..)– Mobility management (Location update,

handover, call routing,…)

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Circuit Switch Overview-Cont’ What is GMSC?

Gateway MSC (GMSC)Interface with fixed network (PSTN/ISDN)Retrieve information form HLR for location of sub.Route all calls to appropriate MSC/VLR Also perform charging for mobile terminate call

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Circuit Switch Overview-Cont’ What is HLR/AuC?

Home Location Register (HLR)Centralized database of subscriber

– Administrative information– Subscriber registration– Any supplementary services

Authentication Center (AuC)– Ciphering– User authentication

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Circuit Switch Overview-Cont’ What is VLR?

Visitor Location Register (VLR)Database for both subscriber information and

Information relates to MSC in service areaOne VLR for each MSC

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Packet Switch Network

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Packet Switch Overview-Cont’ What is SAU, PDP, SDS?

SAU– Stand for Simultaneously

Attached Users – Subscriber attached to the

networkPDP

– Packet Data Protocol– Data structure present for both

SGSN/GGSN– Contains subscriber’s session

information (Active user)– Information such as IP address,

IMSI, Subscriber tunnel IDSDS

– Simultaneous Data Session– Can be a PDP or more

HLR Subscriber

GSM/WCDMA Sub

Packet Sub

SAU

SDS

PDP

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Packet Switch Overview- Cont’ What is SGSN?

Serving GPRS Support Node

Packet routing and transfer to/from SGSN service area

Serving GPRS Support Node

Packet routing and transfer to/from SGSN service area

Output of charging data

Session management

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Packet Switch Overview- Cont’ What is SGSN?

Ciphering and authentication

Mobility management

Connection to other nodes (HLR, MSC, BSC, SMS-GMSC, SMS-IWMSC, GGSN).

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Packet Switch Overview- Cont’ What is GGSN?

Stand for Gateway GPRS Support NodeProvide interface to external packet networkAct as the router for routing IP address for all subscribersFunctionality for associating subscriber to the right SGSN

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Packet Switch Overview- Cont’ What is GGSN?

Charging support (Output of billing)

GPRS session management toward external

Firewall

Border gateway

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Packet Switch Overview- Cont’

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Agenda

Core Network OverviewMarket SituationEricsson PortfolioNetwork EvolutionSummary

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WCDMAWCDMA

EDGEEDGE

Time

2G 3GGSM/GPRS WCDMA

WCDMA

One Family, Different Generations..

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People want mobile communication

Mobile voice traffic by region

05

101520253035

2005 2006 2007 2008 2009 2010 2011 2012

LAMCEMA

APAC

NAMWE

Tera

min

utes

Cambodia: 66% growth Y on Y in number of subscribers (Q2 2008)

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People want broadband everywhere

Broadband subscription forecast

0

500

1000

1500

2000

2005 2006 2007 2008 2009 2010 2011 2012

Fixed

Mobile

Sub

scrip

tions

(Mill

ions

)

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Agenda

Core Network OverviewMarket SituationEricsson PortfolioNetwork EvolutionSummary

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Ericsson Products Portfolio (GSM and WCDMA)

MSC MSS/MGw

SGSN GGSN

Service Layer

UTRAN BSS Terminals

OSS

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Ericsson Portfolio Example of product- Circuit Switch (CS Core)

M-MGw

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Ericsson Portfolio Example of product- Circuit Switch (CS Core)

MSC-S

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Ericsson Portfolio Example of product- Packet Switch (PS Core)

SGSN node

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Ericsson Portfolio Example of product- Packet Switch (PS Core)

M120 M20

GGSN node

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Agenda

Core Network OverviewMarket SituationEricsson PortfolioNetwork EvolutionSummary

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Network Evolution

IP Multimedia Subsystem (IMS)Evolution to all IP (Wireline/Wireless)Multimedia services enable

– File sharing– Video– Voice– Text message– Presence

CS mobile phone PC with Soft client

PC with Soft client

WLAN Phone

Fixed Wireless terminalWLAN

HSPAPLMN

WiFi Hotspot

IMS

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Agenda

Core Network OverviewMarket SituationEricsson PortfolioNetwork EvolutionSummary

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Summary

Circuit Switch FunctionPacket Switch FunctionMarket SituationEricsson PortfolioEricsson Network Evolution

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