Broadcast/multicast service system and method providing inter-network roaming
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- LG ELECTRONICS INC
- Publication Date
- 2010-01-20
- Estimated Expiration
- Not applicable · inactive patent
Smart Images
Figure 1 
Figure 2 
Figure 3
Abstract
Description
technical field
[0001] The present invention relates to a mobile communication system, in particular to a broadcast / multicast service system supporting inter-network roaming so as to provide a broadcast / multicast service to a user when the user roams in an access network, which may or may not be a broadcast type network . Background technique
[0002] A broadcast / multicast service (hereinafter referred to as 'BCAST service') is a new type of service that provides sky wave broadcast or auxiliary information to mobile terminals. The BCAST service includes broadcast service and multicast service. The broadcast service provided by the service provider sends availability information to each user who has subscribed to the service provider's service. In addition, the multicast service provided by the service provider only sends information to a certain group of users who have subscribed to a specific topic or content.
[0003] Currently, in mobile communication networks, simple ...