Patent ID: 8160026

Claim:
A serving Base Station (BS) in a broadband wireless access communication system, comprising: a processor for determining whether to perform a handover of a Mobile Subscriber Station (MSS); a transmitter for transmitting, to neighbor BSs, information related to a service level provided by the serving BS to the MSS; and a receiver for receiving, from the neighbor BSs, information related to a service level which can be provided by the neighbor BSs to the MSS, wherein the transmitter transmits, to the MSS, a handover request message including service level information which includes service level prediction information related to a quantity of service which can be provided by each of selected neighbor BSs, from among the neighbor BSs, from among services currently being provided to the MSS, wherein the receiver receives, from the MSS, a handover response message including information on a target BS selected by the MSS among the selected neighbor BSs, wherein the transmitter transmits, to the target BS, a handover notification confirm message, wherein the information on the target BS includes a Base Station Identifier (BSID) of the target BS, wherein the selected neighbor BSs are scanned by the MSS, and wherein the service level prediction information includes one of first information, second information, and third information, the first information indicating that it is possible to provide all of the services, the second information indicating that it is possible to provide a portion of the services, and the third information indicating that it is not possible to provide any of the services.