Patent ID: 8428639

Claim:
A method for controlling an uplink power in a wireless communication system which includes a wireless terminal, a first wireless base station, a second wireless base station which supports a wireless channel which is not supported by the first wireless base station, and an upper level apparatus which accommodates the first and second wireless base stations, the method comprising: on the upper level apparatus, monitoring interference power in the first wireless base station; and carrying out, where a result of the monitoring exceeds a predetermined threshold value, suppression control of transmission power of the wireless terminal which communicates with the second wireless base station using the wireless channel which is not supported by the first wireless base station, wherein the monitoring of the interference power is carried out in a unit of a first cell where a wireless zone formed by the first wireless base station is divided into such first cells, and the wireless terminal which is a target of the suppression control exists in a cell which is a second cell where a wireless zone formed by the second wireless base station is divided into such second cells and neighbors with the first cell in which the result of the monitoring exceeds the predetermined threshold value.