| 摘要 |
A wireless communication terminal using variable output load impedance corresponding to a transmission power level and a method thereof are provided to improve PAE(Power Added Efficiency) of a power amplifier using the most power within the wireless communication terminal, thereby reducing whole power consumption of the wireless communication terminal. A wireless communication terminal using variable output load impedance corresponding to a transmission power level comprises the followings: a transceiving path separator(10): a receiver(11): a storage(21); a controller(12); a power controller(14); a signal processor; a power amplifier(15); and the variable output load impedance unit(22). The controller(12) controls operations of the power amplifier(15) by controlling the power controller(14) by the transmission power level corresponding to a receiving signal level pre-received from the receiver(11), and varies an output load impedance value corresponding to the transmission power level, and a phase value and an attenuation value at the output load impedance value by using an output load impedance value and a phase value and an attenuation value at the output load impedance value stored in the storage(21). |
