Patent ID: 8509183

Claim:
An Evolved Multimedia Broadcast Multicast Service (E-MBMS) service method performed by a user equipment, the method comprising: receiving an E-MBMS service from a first base station; wherein, when a second base station is informed by an Evolved Packet Core (EPC) of a start, change, or termination of a session for the E-MBMS service, the second base station modifies MBMS control information for the second base station, and the second base station informs the first base station that the MBMS control information has been modified by transmitting the modified MBMS control information to the first base station; wherein, when the first base station receives the modified MBMS control information from the second base station, the first base station modifies neighbor cell MBMS control information based on the modified MBMS control information received from the second base station; in response to the neighbor cell MBMS control information being modified in the first base station, receiving MBMS paging information including a factor, informing that the neighbor cell MBMS control information has been modified, from the first base station; when an MBMS control information update cycle is reached, receiving the modified neighbor cell MBMS control information from the first base station and storing the modified neighbor cell MBMS control information; and when the user equipment moves from the first base station to the second base station, resetting a P-T-M radio bearer based on the stored neighbor cell MBMS control information and receiving the E-MBMS service from the second base station.