Linear Transceiver Design for Amplify-And-Forward MIMO Relay Systems under Channel Uncertainties

Chengwen Xing; Shaodan Ma; Yik‐Chung Wu; Tung-Sang Ng; H Vincent Vincent Poort

doi:10.1109/wcnc.2010.5506465

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Linear Transceiver Design for Amplify-And-Forward MIMO Relay Systems under Channel Uncertainties

Article 2010 en

Abstract

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In this paper, robust joint design of linear relay precoders and destination equalizers for amplify-and-forward (AF) MIMO relay systems under Gaussian channel uncertainties is investigated. After incorporating the channel uncertainties into the robust design based on the Bayesian framework, a closedform solution is derived to minimize the mean-square-error (MSE) of the received signal at the destination. The effectiveness of the proposed robust transceiver is verified by simulations.

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