Patent ID: 8185159

Claim:
A wireless communication system comprising a wireless terminal, a plurality of base stations communicating with the wireless terminal and a call processing control unit for controlling the plurality of the base stations; wherein each of the base stations includes: a notification information transmitter for transmitting the notification information containing the area having the base station; wherein the wireless terminal includes: a storage unit for storing, by receiving from the call processing control unit through the base station, a location registration area list configured of a plurality of location registration areas, and a controller, which upon reception of the notification information from the base station, judges whether the area contained in the notification information is contained in the location registration area list stored in the storage unit, and in the case where the particular area is not so included, sends a location registration request to the call processing control unit through the base station; and wherein the call processing control unit includes: a location registration area list creator for creating a new location registration area list based on the area having the wireless terminal which has sent the location registration request and the neighboring areas, a storage unit for storing the location registration area list created by the location registration area list creator, a controller which upon reception of the location registration request from the wireless terminal, sends the location registration area list created by the location registration area list creator to the wireless terminal through the base station, and a paging processor for executing the paging process based on the location registration area list sent to the wireless terminal.