Patent ID: 8103303

Claim:
A communication device in communication with a base station via a wireless communication network, the communication device comprising: a processor; a storage device comprising one or more programs, the one or more programs comprising: an obtaining module operable to establish a call connection between the communication device and the base station via the wireless communication network, obtain a transmission power value and a receiving power value of the communication device from a storage system of the communication device, and obtain a power control signal transmitted from the base station when the call connection is established; an adjustment module operable to adjust the transmission power value according to the power control signal, and calculate a power sum by adding the transmission power value to the receiving power value; an modifying module operable to modify the transmission power value according to a difference between the power sum and the receiving power value; and an amplifier control module operable to control an amplifier of the communication device to transmit different radiofrequency signals according to the modified transmission power value.