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CDMA wireless transmission apparatus, CDMA wireless transmitter-receiver system and transmission power control method of the CDMA wireless transmission apparatus
CDMA wireless transmission apparatus, CDMA wireless transmitter-receiver system and transmission power control method of the CDMA wireless transmission apparatus
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机译:cdma无线传输装置,cdma无线收发器系统以及cdma无线传输装置的传输功率控制方法
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摘要
A control for varying a maximum transmission power of a transmitter according to a propagation loss or a distance between the transmitter and a receiver is made possible to reduce deterioration of a user capacity to a minimum. In a wave propagation loss measurement section, a calculation is performed on the basis of an amplification factor of a reception amplifier, amplitude information and a base station transmission power information of a reception baseband signal to calculate a wave propagation loss of a reception signal, thereby estimating a propagation loss of transmission signal. The wave propagation loss information is inputted to a maximum amplification amount designation circuit to decide a maximum amplification factor. The maximum amplification amount designation circuit djusts a maximum transmission power of the transmission signal by designating the decided maximum amplification factor to a transmission amplifier.
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