Joint precoder and decoder optimization is considered for uplinkmultiusermultiple-inputmultiple-output (MU-MIMO) systems\r\nwith limited channel state information (CSI) at both the transmitters and receivers. Instead of counting on complex iterativebased\r\nalgorithms, an efficient and noniterative QR-based linear transceiver pair design is employed. In addition, an equal power\r\ndistribution (EPD) scheme is applied to adjust transmit power allocation of each mobile station (MS) between its symbols\r\nunder the total transmit-power constraint. Simulations are conducted to provide a comparative evaluation of the proposed QREPD\r\nalgorithm with other transceiver designs on the sum mean-squared error (SMSE) and the averaged bit-error-rate (BER)\r\nperformance.
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