Patent ID: 7805154

Claim:
A transmission power control system, in a cellular communication system including a plurality of cells, a plurality of base stations respectively arranged in respective of said plurality of cells, mobile stations located within said cells, and a control station provided in common for said plurality of base stations, for transmitting control instruction, including a balance adjustment period, for balance adjustment of transmission power to respective of said mobile stations from said base stations, wherein a frame number of a transmission frame to said mobile station is CFN and said balance adjustment period is Nperiod, said transmission power control system comprising: means for starting said balance adjustment from a frame having a frame number CFN equal to mod(CFN, m×Nperiod)=0 (where m is a natural number) in response to reception of said control instruction; means for repeating said balance adjustment for every Nperiod frame; and means for restarting said balance adjustment from the frame having the frame number CFN equal to zero.