Patent ID: 9642102
Date: 2017-05-02
CPC Classifications: H04W

Claim:
1. A wireless base station of a wireless communication system including the wireless base station, a wireless terminal, and a relay station configured to relay a wireless signal transceived between the wireless base station and the wireless terminal, the wireless base station comprising: a processor configured to perform a second transmission power control different from a first transmission power control, the first transmission power control being performed on a first wireless terminal connected to the wireless base station without the relay station, the second transmission power control being performed on a second wireless terminal connected to the wireless base station through the relay station; and a transmitter configured to transmit a control message according to the second transmission power control to the second wireless terminal, wherein the second transmission power control maintains a transmission power of the second wireless terminal regardless of a quality of a wireless signal transmitted from the second wireless terminal by transmitting a transmission power control (TPC) command to the second wireless terminal, the transmitted TPC command being set to “0” to instruct the second wireless terminal to maintain the transmission power of the second wireless terminal.