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The end-to-end performance of dual-hop transmissions with decode-and-forward relaying over independent non-identically distributed Nakagami-m fading channels is investigated. In the analysis, partial relay selection is employed. This recently proposed selection scheme finds applicability in different wireless systems such as ad hoc and sensor networks. Closed-form expressions for the outage probability...
Evaluation of the bit error rate for general M-ary quadrature amplitude modulation (M-QAM) in Nakagami-m fading channels is presented. The analysis considers real values of the Nakagami fading parameter m, and bit-to-symbol mapping that is not necessarily Gray. Analytical and simulation results are compared to illustrate the accuracy of the analysis, taking as examples non-Gray mapped 16-QAM and 32-cross-QAM...
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