y ???3 dB. In the eighth embodiment, four types of variation are applied to the transmission power control amount in the compressed mode, so that when the TPC bits are 10B the transmission power control amount is +1 dB, and when they are 01B the transmission power control amount is ???1 dB. In the normal mode, when the TPC bits are in the 11B state, a transmission power control amount of +1.0 dB (