3GPP

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TISPAN - 3GPP workshop, June 22nd-23rd 2004. Page 2. Abstract. Access independence is one of the central requirements in NGN standardization True access independence requires a generic approach, which decouples NGN core network components and procedures as much as possible from the subtleties of a

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3GPP

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1. 3GPP/WLAN Interworking Architecture as Paradigm for NGN Access Independence Rainer Liebhart, Bernhard Pfeil Siemens mobile Networks ETSI TISPAN – 3GPP workshop June 22nd – 23rd, 2004

2. TISPAN - 3GPP workshop, June 22nd-23rd 2004 Page 2 Abstract Access independence is one of the central requirements in NGN standardization True access independence requires a generic approach, which decouples NGN core network components and procedures as much as possible from the subtleties of access technologies 3GPP is on the way to standardize with Release 6 WLAN/3GPP interworking that allows 3GPP terminals to access a 3GPP IMS via WLAN The concepts of WLAN/3GPP interworking do not rely on the specifics of the WLAN access network The proposal presented in this contribution is to adopt the concepts of WLAN/3GPP interworking as the basis to achieve true access independence in NGN

3. TISPAN - 3GPP workshop, June 22nd-23rd 2004 Page 3 Overview We show in the first five slides the goals, concepts and architecture of the 3GPP/WLAN Interworking and explain how IMS services are accessed by a 3GPP WLAN terminal: Goals and Concepts of 3GPP/WLAN Interworking Reference Architecture for 3GPP/WLAN Interworking WLAN access to 3GPP IMS IMS Registration through WLAN The remaining slides demonstrate how this Interworking architecture can be used to access TISPAN-IMS services from any access network capable to transport IP frames (e.g. xDSL): Access to TISPAN-IMS through generic access networks 3GPP/WLAN Interworking architecture as paradigm for NGN access independence

4. TISPAN - 3GPP workshop, June 22nd-23rd 2004 Page 4 3GPP/WLAN Interworking: goals …

5. TISPAN - 3GPP workshop, June 22nd-23rd 2004 Page 5 … and concepts

6. TISPAN - 3GPP workshop, June 22nd-23rd 2004 Page 6 3GPP/WLAN Interworking Architecture from 3GPP TS 23.234

7. TISPAN - 3GPP workshop, June 22nd-23rd 2004 Page 7 WLAN access to 3GPP IMS

8. TISPAN - 3GPP workshop, June 22nd-23rd 2004 Page 8 IMS Registration through WLAN

9. TISPAN - 3GPP workshop, June 22nd-23rd 2004 Page 9 Access to TISPAN-IMS through generic access networks (e.g. xDSL)

10. TISPAN - 3GPP workshop, June 22nd-23rd 2004 Page 10 3GPP/WLAN Interworking architecture as paradigm for NGN access independence

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