| 摘要 |
An object of the invention is to make improvement in the configuration of location registration areas. When a base station 13 P is newly installed in a location registration area 30 A, the base station 13 P recognizes a location of its own with GPS or the like and performs communication with a plurality of surrounding base stations 13 Q to select a location registration area 30 A to which it should belong, based on the belonging status of the surrounding base stations 13 Q and the location of its own. If the base station 13 P is located near a boundary between location registration areas and if the surrounding base stations 13 Q belong to a plurality of location registration areas, the location registration area to which the base station 13 P should belong may be selected so as to average traffics in the respective location registration areas, or the location registration area with the smallest number of base stations belonging thereto may be selected so as to average the numbers of base stations in the respective location registration areas. The base station 13 P broadcasts an area identifier of its belonging location registration area 30 A to mobile stations under control thereof and starts provision of service thereto.
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