Rabin & Berdo, P.C.
Method and apparatus of detecting signal based on minimum mean square error in multiple input multiple output system
A receiver in a multiple-input multiple-output (MIMO) system is provided. The receiver includes a channel estimator estimating a channel based on a receiving signal, a minimum mean square error (MMSE) based reciprocal log likelihood ratio (R-LLR) calculator connected with the channel estimator and calculating an R-LLR based on the receiving signal and the estimated channel, and a channel decoder connected with the MMSE based R-LLR calculator and decoding the channel and the receiving signal based on the calculated R-LLR, wherein the R-LLR is calculated based on the reciprocity.
Electronics and Telecommunications Research Institute
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Jae Kwon Young Jo Youn Ok Nulibyul Hoon Jung Pil Seungjae
Kim Bang Park Kim Lee Choi Bang