期刊
IEEE TRANSACTIONS ON SIGNAL PROCESSING
卷 57, 期 3, 页码 1141-1150出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TSP.2008.2008542
关键词
Channel state information (CSI); mean-square error (MSE); multiple-input multiple-output (MIMO); precoding; spatial multiplexing
资金
- Natural Sciences and Engineering Research Council of Canada [41731]
- International Conference on Communications, Glasgow, U.K.
This paper presents new results on joint linear transceiver design under the minimum total mean-square error (MSE) criterion, with channel mean as well as both transmit and receive correlation information at both ends of a multiple-input multiple-output (MIMO) link. The joint design is formulated into an optimization problem. The optimum closed-form precoder and decoder are derived. Compared to the case with perfect channel state information (CSI), linear filters are added at both ends to balance the suppression of channel noise and the noise from imperfect channel estimation. The impact of channel estimation error as well as channel correlation on system performance is assessed, based on analytical and simulation results.
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