Patent ID: 7565138
Filing Date: 2009-07-21
Classification: H04H,H04L,H04W

Abstract:
1. A method for providing MBMS (Multimedia Broadcast/Multicast Service) services to User Equipments (UEs), in a mobile communication system including a Node B, a plurality of the UEs capable of communicating with the Node B in a cell occupied by the Node B, and a radio network controller (RNC) for controlling communication of the Node B, a serving GPRS (General Packet Radio Service) support node (SGSN) for managing the RNC, and the UEs to provide a packet switched (PS) service and a circuit switched (CS) service to the UEs, the method comprising the steps of: transmitting MBMS service-related information of a UE that is in a Radio Resource Control (RRC) connected mode and a Packet Mobility Management-Idle (PMM-Idle) state after joining at least one MBMS service, from the UE to the RNC; and receiving MBMS service by the UE according to the MBMS service-related information to enable the UE to inform the RNC that the user has joined at least one MBMS service.