Patent ID: 7937112

Claim:
A base station apparatus for transmitting center data received from a center apparatus to wireless communication apparatuses within a zone, said base station apparatus being capable of communicating with other base station apparatuses, said base station apparatus comprising: a data storage for storing the center data received from the center apparatus; a data receiver for receiving the center data from the center apparatus and storing the center data in the data storage; a status storage for storing apprise status data indicative of a status of apprise of certain center data to a wireless communication apparatus; a status receiver for receiving apprise status data transmitted from one of the other base station apparatuses; an updater for updating the apprise status data stored in the status storage in accordance with the apprise status data received from the one of the other base station apparatuses; and an individual transmitter for transmitting by referring to the apprise status data stored in the status storage the certain center data stored in the data storage to a wireless communication apparatus which is within the zone and unapprised of the certain center data.