GPRS/UMTSGPRS/UMTS
Jonne Soininen
Outline
Combined GSM and M-IP mobility handling in UMTS IP CN
Introduction
* © NOKIA Cellular_Jso.PPT/ 29.2.2000 / Jonne Soininen
Introduction to 3GPP
GSM Association
UMTS Forum
IPv6 Forum
Individual Members
Introduction to 3GPP
Introduction to 3GPP
TSG RAN
WG3 (Iub, Iur, Iu, UTRAN O&M requirements)
WG4 (R. performance, protocol aspects)
AHG1 (Ad-hoc group on ITU (internal) co-ordination)
TSG SA
WG1 (Services)
WG2 (Architecture)
WG3 (Security)
WG4 (Codec)
Introduction to 3GPP
WG2 (Terminal Services & Capabilities)
Introduction to 3GPP
Meetings
Most of the Work Done in Meetings
Deliverables
Inter-WG Coordination
In TSGs
Standards
Releases
GPRS/UMTS Architecture
GPRS/UMTS Release 99 Architecture
Signalling Interface
GSM Architecture / GSM Radio
UMTS Architecture / WCDMA
The R99 Architecture
Entities
Mobility Management
Gateway between UMTS Core Network and external networks
Address allocation for MS
BSS
BSC
BTS
RNS
RNC
Node-B
PDP Context
Session
Anchored GGSN for Session
R99 Interfaces and Protocols
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R99 Interfaces and Protocols
R99 Interfaces and Protocols
Mobile IP in UMTS
* © NOKIA Cellular_Jso.PPT/ 29.2.2000 / Jonne Soininen
Mobile IP in UMTS
UMTS Release 99
Step 3: Using Mobile IP for Intra System Mobility
* © NOKIA Cellular_Jso.PPT/ 29.2.2000 / Jonne Soininen
Mobile IP in UMTS
Mobile IP in UMTS
Does not change
Network architecture
Iu
UTRAN
HA
UTRAN
RNS
RNS
RNS
R
Iur
Internet
HA
HA
MAP
IP
R
R
Gp
R
Gi
Mobile IP in UMTS
Changes to Step 1
GGSN/FA can be changed during a session if more suitable available
Applicability
Mobile IP in UMTS
Mobile IP in UMTS
Step 3 (the reality)
Mobile IP in UMTS
No SGSN + GGSN -> IGSN
MS has to be changed to support Mobile IP
Problems
Support for non-M-IP mobiles
Release 2000 All-IP Architecture
Release 2000 Architecture
New Entities - Voice over IP infrastructure
Call State Control Function (CSCF)
Media Gateway Control Function (MGCF)
Media Gateway Function (MGW)
R00 All-IP Reference Architecture
Signalling Interface
layout purpose only, they belong to the same
logical element in the reference model
Mc
Mc
MAP
MAP
SCP
CAP
MGW
Internet
SCP
Application
servers
HSS
Gr+
MAP+
CAP
WIN
PSTN
CSCF Call State Control Function MRF Multimedia Resource Function
HSS Home Subscriber Server RAS Remote Access Server (DSLAM, head end…)
MGCF Media Gateway Control Function RSGW Roaming Signaling Gateway
MGW Media Gateway TSGW Transport Signaling Gate
3G RAN
R00 All-IP Reference Architecture
R00 New Protocols (?)
H.323 or SIP
CSCF-Legacy Mobile Network: Ms
CSCF-Applications/Services:
Real-time IP transport:
Thank You!
Jonne Soininen
Signalling Interface