Patent ID: 6917599

Claim:
A mobile communication system comprising: a mobile station; a plurality of base stations; and a base station control apparatus, wherein when a selected base station of the plurality of base stations detects an interruption of communication between the selected base station and the mobile station, the selected base station iteratively executes a series of steps until the selected base station receives a response from the mobile station, the series of steps comprising: issuing a request that commands the mobile station to transmit the response; controlling a power control bit contained in the request to increase a transmit power of the mobile station by a first step size; if the selected base station does not receive the response, increasing a transmit power of the selected base station by a second step size and again executing the series of steps; and if the selected base station does receive the response, terminating the iterative execution of the series of steps; and wherein the first and the second step sizes are set to a value between 0.5 dB and 2 dB in response to a traffic amount measured by traffic measuring means of the selected base station.