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Power allocation and performance analysis for incremental-selective decode-and-forward cooperative communications over Nakagami-m fading channels
, Article IEICE Transactions on Communications ; Volume E96-B, Issue 6 , 2013 , Pages 1531-1539 ; 09168516 (ISSN) ; Saadat, R ; Aref, M. R ; Sharif University of Technology
2013
Abstract
The focus of this study is the performance of the relaying network with incremental selective decode-and-forward (ISDF) protocol in non-selective slow Nakagami-m fading channels. To enhance bandwidth efficiency, when the direct transmission is not successful the relay is used to retransmit a clean copy of the source signal. The proposed protocol achieves a significant reduction in the power consumption and an improvement in performance compared to the fixed decode-and-forward (DF). The exact symbol error rate (SER) of M-PSK modulation for the ISDF protocol over general fading channels is derived. However, as the exact SER analysis is very complicated, we provide an approximated SER...