Adaptive Transmission And Reception Apparatus and Method in Wireless Communication System

The present invention relates to an apparatus and method for transmitting and receiving signals in accordance with adaptive, more particularly, a channel state in a wireless communication system for sending and receiving apparatus and method in a wireless communication system. The present invention relates to an adaptive transmission apparatus for transmitting adaptation according to the state of the channel in which the data is transmitted to the receiver from a particular transmitter, and the signal-to-noise ratio estimator for estimating the signal-to-noise ratio of the channel by using the signal transmitted from the receiver , and a transmitter adapted to transmit data to be transmitted based on the estimated signal-to-noise ratio in the receiver. SIR, TDD