Matrix analysis
Fundamentals of wireless communication
Fundamentals of wireless communication
MIMO Relaying With Linear Processing for Multiuser Transmission in Fixed Relay Networks
IEEE Transactions on Signal Processing
Linear Transceiver Design in Nonregenerative Relays With Channel State Information
IEEE Transactions on Signal Processing
Optimal Design of Non-Regenerative MIMO Wireless Relays
IEEE Transactions on Wireless Communications
On the capacity of MIMO relay channels
IEEE Transactions on Information Theory
Relay-based deployment concepts for wireless and mobile broadband radio
IEEE Communications Magazine
Weighted Sum Rate Maximization for Downlink Multiuser Relay Network with Direct Link
Wireless Personal Communications: An International Journal
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This paper addresses the filter-design issues for multi-user non-regenerative MIMO-relay systems. Based on the perfect channel state information (CSI), optimal joint linear filter schemes at the base station and the relay are derived, aiming to minimize the mean squared error (MSE). We first propose the joint optimal filter scheme in the downlink scenario along with a more practical suboptimal scheme, and then a closed-form optimal solution in the uplink scenario is exploited. Numerical results show that the proposed joint schemes can reduce the bit error rate (BER) significantly, especially for the high SNR case.