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IMT-2000 Steering Group - Information -. SA1 #7 February 9-11, 2000 Sophia Antipolis. 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,
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IMT-2000 Steering Group- Information - SA1 #7 February 9-11, 2000 Sophia Antipolis
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.
U M T S F o r u m UMTS Forum Requirements Phased introduction of the IP technology in the UMTS system. As an example UTMS Forum has identified four possible phases: 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
TDMA UWC-136 DECT CDMA W-CDMA cdma2000 TDD Radio Access Network (RAN) Core Network (CN) INTERNET ANSI-41 GSM MAP NNI UWCC Requirements • 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