Patent ID: 8359035

Claim:
A base station apparatus comprising: an obtaining unit that obtains a plurality of wireless communication route candidates and a priority of each of the plurality of wireless communication route candidates transmitted from another first base station apparatus; a determining unit that, among the plurality of wireless communication route candidates, determines whether a first wireless communication route allowing the base station apparatus to perform wireless communication with a mobile station exists or not and determines whether a second wireless communication route managed by another second base station apparatus exists or not; and a transmitting unit that, in accordance with the result of determination by the determining unit, transmits a wireless communication route candidate including the second wireless communication route to the another second base station apparatus, when the first wireless communication route does not exist and the second wireless communication route exists, transmits a failure notification to the another first base station apparatus, when the first wireless communication route does not exist and the second wireless communication route does not exist, and transmits a wireless communication route candidate including the first wireless communication route and the second wireless communication route to the another second base station apparatus when the first wireless communication route exists and the first wireless communication route has a lower priority than the highest priority.