Patent ID: 8243674

Claim:
A method of releasing a point-to-multipoint radio bearer (RB) used for a point-to-multipoint service, the method comprising: establishing the point-to-multipoint RB for receiving data packets of the point-to-multipoint service at a user equipment (UE); receiving, at the UE, a point-to-multipoint service information message comprising a point-to-multipoint RB release cause, wherein the point-to-multipoint service information message is received through a Multimedia Broadcast/Multicast Services (MBMS) control channel (MCCH), and wherein the point-to-multipoint service information message is used to inform the UE about a change applicable to one or more point-to-multipoint services available in a current cell; and releasing, by the UE, the point-to-multipoint RB when the received point-to-multipoint service information message indicates a release of the point-to-multipoint RB, wherein the point-to-multipoint service information message is periodically transmitted by a network, and wherein the point-to-multipoint service information further comprises a point-to-multipoint service ID.