Method for supporting backward compatibility of MBMS
US7546108B2 · kind B2 · utility
0Cited by
1References
8Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Aug 25, 2004 |
| Grant date | Jun 9, 2009 |
| Priority date | — |
| Expiry date | Aug 8, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W76/20
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.