| 摘要 |
A wireless communication apparatus includes a variable power amplifier ( 19 ) and a power amplifier ( 20 ). A variable power amplifier control unit ( 24 ) controls the gain of the variable power amplifier ( 19 ) for controlling transmission power of the own apparatus. At this time, a condition change detecting unit ( 28 ) detects changes in conditions of the own station and a counter station. Based upon the detected condition changes, a transmission power control bit controlling unit ( 26 ) and a transmission power control period controlling unit ( 27 ) change a control period of a transmission power control bit and a transmission power control range. This transmission power control bit is inserted into a transmission signal, then, the transmission signal is transmitted to the counter station. The condition changes are detected based upon reception power, transmission power, the transmission power control bit, a change amount of control conditions, and a change speed of the control conditions.
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