| 摘要 |
A method and apparatus for detecting a transmit signal in a receiver in a multiple-input multiple-output (MIMO) system are provided. The method includes: dividing a constellation space into a plurality of sub-spaces, the constellation space being determined by a channel matrix, which indicates channel characteristics of the MIMO communication system, and the number of antennas; and detecting the transmit signal by calculating a metric of at least one of the sub-spaces. The apparatus includes: a channel estimation unit which estimates channel characteristics of the MIMO communication system; a preprocessing unit which preprocesses the estimated channel-characteristic data; and a signal detection unit which processes a received signal measured by the receiver using the preprocessed channel-characteristic data, divides a constellation space used to detect the transmit signal into sub-spaces, and executes a statistical algorithm on at least one of the sub-spaces.
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