Patent ID: 8781516

Claim:
A Base Station (BS) apparatus in a wireless communication system, the apparatus comprising: a controller for determining to apply one of a first power control in which power control commands are slot-periodically generated without information determined after receiving a frame and a second power control in which power control commands are frame-periodically generated based on the information determined after receiving the frame; a first generator for generating a first power control command at a slot period using a channel quality premising a rake receiver according to the first power control; a second generator for generating a second power control command at a frame period using a channel quality premising an equalizer according to the second power control, and for generating a third power control command according to a predefined pattern at a slot when the channel quality is unavailable; and a modulator/demodulator (modem) for transmitting at least one of the first, second, and third power control commands.