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A new approximation to the average symbol error rate of amplify-and-forward diversity is derived for independent and non-identically distributed Nakagami-m fading channels. The new approximation has low computational complexity. Numerical results show that it is almost identical to the exact average symbol error rate in all the cases considered.
This letter derives the asymptotic symbol error rate (SER) of amplify-and-forward (AF) cooperative communications with the Nth best-relay scheme over independent and non-identical Nakagami-m fading channels. The diversity gain has been analyzed and examined as well. Simulation and numerical evaluation show the tightness of such an approximation in the high SNR regions and the accuracy of our theoretical...
In this paper, we analyze the performance of dual-hop channel state information (CSI)-assisted amplify-and-forward (AF) cooperative networks using orthogonal space-time block codes (OSTBCs) over independent but not identically distributed Nakagami-m fading channels. Specifically, we present closed-form expressions of the outage probability (OP) and the symbol error probability (SEP). The analytical...
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