A radio communication apparatus is provided with a first variable power amplifier 13 and a second variable power amplifier 14 in a radio transmission unit 22, and also a variable amplifier 16 is provided at a prestage of a modulation unit 15. A transmission power control bit is extracted from a reception...http://www.google.de/patents/US6675000?utm_source=gb-gplus-sharePatent US6675000 - Radio communication apparatus and transmission power control method therein
