Patent ID: 8838063

Claim:
A method for providing an emergency communication service at a Mobile Station (MS) in a wireless communication system, the method comprising: receiving a Bandwidth Request (BR) index set for the emergency communication service from a Base Station (BS); deleting the BR index when the MS transitions to an idle mode, wherein the BR index is changed when the MS performs handover; transmitting a message requesting the emergency communication service using the BR index to the BS; receiving a connection setup request message from the BS, the connection setup request message including a Service Flow Identifier (SFID) indicating that a service flow corresponding to the emergency communication service has been generated, a Flow Identifier (FID) between the BS and the MS for providing the emergency communication service, and an indicator indicating a connection request for the emergency communication service; performing a setup procedure for using the service flow based on the SFID, the FID, and the indicator; and upon completion of the setup procedure, transmitting a data packet for the emergency communication service to the BS.