Method for supporting backward compatibility of MBMS

Details Method for supporting backward compatibility of MBMS Method for supporting backward compatibility of MBMS

2004-08-25

2009-06-09

Cumming, William D (Department: 2617)

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

C455S525000, C370S313000, C370S328000, C380S277000

Reexamination Certificate

active

07546108

ABSTRACT:
A method for supporting backward compatibility of Multimedia Broadcast and Multicast Service (hereinafter referred to as MBMS) in a mobile communication system of Wideband Code Division Multiple Access (hereinafter referred to as WCDMA) is disclosed. An example method recites mapping relationship between the MBMS service identifier and the RAB identifier and judging the capability of the RNC by the SGSN, and accordingly, determining if the MBMS service is backwards compatible and if user equipment is compatible with different versions.

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3 GPPTR 23.84 6.1.0 Technical Specification Group Services and System Aspect, Architecture and function description, (Release 6), Dec. 2002, Valbonne, France.
3 GPP TS 25.413 V3.13, Technical Specification Group Radio Access Network, UTRAN lu interface RANAP signaling, Jun. 2003, Release 1999, Valbonne, France.

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