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We propose opportunistic scheduling with cooperative selection diversity (CSD) in wireless multiuser relay networks (MRN). In this policy, the destination with the highest instantaneous end-to-end signal-to-noise ratio (SNR), either directly from the source or indirectly through the relay, is scheduled for transmission. For the practical case of unbalanced Nakagami-m fading channels, we derive new...
In this paper, we first derive an optimal precoder for amplify-and-forward (AF) multiple-antenna relay systems with single-antenna source and destination terminals by maximizing the output signal-to-noise ratio (SNR). Then, the resulting maximum SNR expression and its approximation at high transmission SNR are analyzed to obtain their statistical properties for independently identically distributed...
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