Method of compressing control information in a wireless communication system

A method for receiving scanning information of neighbor base stations (BSs) by a serving BS in a wireless communication system, the method comprising the steps of:

• transmitting a neighbor advertisement message including first identifiers of the neighbor BSs and a configuration change count (CCC) to a mobile subscriber station (MSS);
• receiving from the MSS a scan report message including scanning information of at least one scanned neighbor BS which is listed in the neighbor advertisement message and a second identifier of each of the scanned neighbor BSs,
• wherein the second identifier indicates an index corresponding to a position of one of the first identifiers in the neighbor advertisement message and is shorter than the first identifiers in bit unit, and the scan report message includes the CCC which indicates whether information of the neighbor BSs is changed in the neighbor advertisement message and the scan report message, and
• wherein the CCC relates the scan report message with the neighbor advertisement message.

A mobile subscriber station (MSS) apparatus for transmitting scanning information of neighbor base stations (BSs) in a wireless communication system, the apparatus comprising:

• a receiver for receiving a neighbor advertisement message including first identifiers of the neighbor BSs and a configuration change count (CCC) from a serving BS;
• and
• a transmitter for transmitting to the serving BS a scan report message including scanning information of at least one scanned neighbor BS which is listed in the neighbor advertisement message and a second identifier of each of the scanned neighbor BSs,
• wherein the second identifier indicates an index corresponding to a position of one of the first identifiers in the neighbor advertisement message and is shorter than the first identifiers in bit unit, and the scan report message includes the CCC which indicates whether information of the neighbor BSs is changed in the neighbor advertisement message and the scan report message, and
• wherein the CCC relates the scan report message with the neighbor advertisement message.