Method for supporting backward compatibility of mbms

Details Method for supporting backward compatibility of mbms Method for supporting backward compatibility of mbms

H - Electricity

04

B

H04B 7/00 (2006.01)

Patent

CA 2535845

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.

La présente invention concerne un procédé destiné à la prise en charge d'une compatibilité amont d'un service de diffusion et de multidiffusion multimédia (ci-après appelé MBMS) dans un système de communication mobile d'un système d'accès multiple par répartition en code à bande élargie (ci-après appelé WCDMA). La présente invention concerne un procédé destiné à déterminer la relation de mappage entre l'identificateur de service MBMS et l'identificateur RAB et à évaluer la capacité du RNC au moyen du SGSN. Par conséquent, le service MBMS peut présenter une compatibilité amont et les équipements peuvent être compatibles avec différentes versions.

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