Communication Terminal and Transmission Power Control Method

摘要

A communication terminal which suppresses the interference power to a cell newly appearing on handover in an uplink line. A transmission power calculation section ( 107 ) of the communication terminal calculates the transmission power P_transmit by adding the value specified by a TPC command to the previous transmission power. A reception power measuring section ( 109 ) calculates the pilot reception power P_active of the cell in communication. A reception power measuring section ( 110 ) calculates the pilot reception power P_other of a vicinity cell which will probably newly perform communication. A transmission power correction section ( 111 ) corrects the transmission power to a value P_allow lower than P_transmit by subtracting (P_other-P_active) from P_transmit if the pilot reception power P_other is larger than the pilot reception power P_active. A transmission power control section ( 153 ) controls the transmission power of the transmission signal to P_allow.