Patent ID: 7907952

Claim:
A method of communicating quality of service information related to a point-to-multipoint service in a wireless communication system, the method comprising: a User Equipment (UE) in RRC (Radio Resource Control) idle mode receiving data of the point-to-multipoint service from a network via a common traffic channel when a point-to-multipoint radio bearer is established for the point-to-multipoint service; the UE in RRC idle mode measuring the quality of service of the received point-to-multipoint service during transmission of the point-to-multipoint service; and the UE in RRC idle mode transmitting a measurement result parameter to the network via a common control channel in response to measurement of the quality of service of the received point-to-multipoint service, wherein measuring the quality of service and transmitting the measurement result parameter are performed after the point-to-multipoint radio bearer is established for the point-to-multipoint service.