Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Xiaoqiang Li0
Kook-Heui Lee0
Lixiang Xu0
Sung-Ho Choi0
Chunying Sun0
Detao Li0
Date of Patent
June 9, 2009
0Patent Application Number
105694420
Date Filed
August 25, 2004
0Patent Primary Examiner
Patent 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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