Patent ID: 8385918

Claim:
A radio communication system, comprising: a first base station apparatus; a second base station apparatus; and a terminal apparatus, wherein radio communication is performed between the first and second base station apparatuses and the terminal apparatus, the first base station apparatus includes: a first position information acquisition unit which acquires position information of the first base station apparatus; a first control unit which generates a new-installation massage including the position information and indicating that the first base station apparatus is a newly installed base station apparatus and transmits a message to the second base station apparatus, transmits a signal link establishment request message to each the second base station apparatus in a number capable of transmitting to the terminal apparatus as adjacent cell information when the first base station apparatus receives a new-installation response message responding to the new-installation message from the second base station apparatus, generates the adjacent cell information indicating that the second base station apparatus transmitted a signal link establishment response message is an adjacent base station apparatus when the first base station apparatus receives the signal link establishment response message responding to the signal link establishment request message from the second base station apparatus, and transmits to the second base station apparatus a removal request message to remove communication link with the second base station apparatus not used in handover and deletes, from the adjacent cell information, information relating the second base station apparatus which is transmission destination of the removal request message when the handover is not performed within a fixed interval; and a transmission unit which transmits the adjacent cell information to the terminal apparatus, and wherein the terminal apparatus includes a reception unit which receives the adjacent cell information.