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TSG-SA Working Group 1 (Services) meeting #7
Sophia Antipolis, France 7 - 11 February 2000
Source:
Title:
Document for:
T-Mobil
Information on IMT2000 Steering Group
Discussion
IMT-2000 Steering Group
- Information SA1 #7
February 9-11, 2000
Sophia Antipolis
TSG S1 (00) 118
Agenda Item:6
TOP Priority Issues
Among other issues, the IMT-2000 Steering Group of the GSMA
has decided to prioritize the following two issues:
 inter-network handover, especially inter-network soft
handover,
 realistic implementation of NNI.
Inter-network Handover
 What is to be done to provide inter-network handover with
R’00?
 Inter-network soft handover has already been endorsed by
SA#6.
 GSMA would like to have all kind of inter-network handover
with R’00.
ITU Press Release December 1999
UMTS Forum Requirements
Phased introduction of the IP technology in the UMTS
system. As an example UTMS Forum has identified four
possible phases:
UMTS
Forum
Phase 1: IP as the technology to be used in the
interconnection of 3G networks (i.e., NNI)
Phase 2: IP introduced within the UMTS Core Network,
down to and including the Radio Network Controller
Phase 3: IP introduced also within the RAN, down to the
Node B
Phase 4: IP down to the terminal, over the radio interface
Source: 3GPP TSG SA#6, Tdoc 599
UWCC Requirements
CDMA
TDMA
Radio Access
Network (RAN)
Core Network
(CN)
UWC-136
DECT
INTERNET
W-CDMA cdma2000 TDD
ANSI-41
GSM MAP
NNI
Source: 3GPP TSG SA#6, Tdoc 599
Which NNIs?
IETF
3GPP2
3GPP
Mobile IP
+?
ANSI-41
ANSI-41
GSM MAP
GSM MAP
IP
IP
ANSI #7
ITU #7
IP
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