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Module 7 – Core network

Training Slides

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Module objectives

Understand “Conventional” CoreNetwork

Understand “All IP” Core Network

Understand “Hybrid” Core Network

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Conventional Core Network

3G UMTS will initially make use of the core of GSM 3GPP Release 99 solution ("conventional"

scenario)

HLR

BSC

IN

3G MSC   PSTN/ISDN

SGSN GGSN

Iu-CS

 A

Gb

Iu-PS

Internet &Corporate IP

Node B(BTS)

GSM(BTS)

RNC

ISP activity

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 All IP Core Network 3GPP Rel 00

CS-Domain

PS-Domain

HLR

SGSN GGSN

“Call”

“Session”

PSTN

Packet Backbone

Packet BackboneGMSC

Server 

MSC

Server 

MSC GMSC

SCP

MGW MGW

Intranet/

Internet

Intranet/

Internet

   U   M   T   S   R  a   d   i  o

   A  c  c  e  s  s

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Hybrid Core Network

PSTN/ISDN

Radio AccessNetwork

MSC

CPS

GMSC

SGSN

GGSNIP Network

TransitNetwork

Internet &Corporate IP

Gateway

ISP activity