Method and Apparatus for Space-Time Coding Mode Decision in MIMO system, and Method and Apparatus for Responding the Decided STC Mode

A method and apparatus for determining the STC mode depending on the given channel condition at the receiver in a MIMO wireless communication system. Accordingly, the determination of the STC mode by using a channel capacity estimates, estimating the channel characteristics for this purpose, and then determined for each STC mode-specific signal-to-noise ratio obtained from the channel estimate obtained using the STC mode-specific signal-to-noise ratio by determining the STC mode based on the channel capacity, the characteristics of the angle error and decoding scheme that is generated in the actual implementation to detect a more accurate data is mostly considered.