Patent ID: 7206596

Claim:
A base station apparatus used in a wireless communication system in which a first dedicated channel to which soft handover applies and a second dedicated channel to which hard handover applies exist, the base station apparatus comprising: a judgment section that judges whether the first dedicated channel is in a soft handover state or not; and a control section that sets a transmission power of the downlink second dedicated channel at a sum of the transmission power of the downlink first dedicated channel and an offset ΔP=ΣEPi/P 1 , where Pi is a reception power of a pilot channel at a communication terminal apparatus from each base station i to which the first dedicated channel is connected and P 1 is a reception power of a pilot channel at the communication terminal apparatus from the base station to which the first dedicated channel and the second dedicated channel are connected, when it is judged by said judgment section that the first dedicated channel is in a soft handover state.