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SER Performance of Amplify-and-Forward Cooperative Diversity Over Asymmetric Fading Channels

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Abstract

In this paper, the performance of amplify-and-forward (AF) cooperative diversity is analyzed over asymmetric fading channels. The source–relay and the relay–destination links experience Rayleigh fading while the source–destination link is subject to generalized Gamma fading. First, the probability density function (PDF) and the moment generating function (MGF) of the source–relay–destination link and the MGF of the source–destination link are derived. Then, the symbol error rate (SER) is determined based on the MGF of the total end-to-end signal-to-noise ratio (SNR). Moreover, the SER performance of N-relay assisted AF cooperative diversity is illustrated for M-ary phase shift keying (M-PSK) and M-ary quadrature amplitude modulation (M-QAM). Based on the derived MGF expressions, the numerical results are obtained by varying the modulation types and channel parameters for different scenarios.

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Acknowledgments

This work was supported by the Scientific Research Projects Coordinating Office of Erciyes University (EU-BAP, Project No: FBY-11-3682). The authors would like to thank the anonymous reviewers for their valuable comments and suggestions to improve the quality of the paper.

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Authors and Affiliations

  1. Department of Electrical and Electronics Engineering, Faculty of Engineering, Erciyes University, 38039 , Kayseri, Turkey

    Nuri Kapucu, Mehmet Bilim & Ibrahim Develi

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  1. Nuri Kapucu
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  2. Mehmet Bilim
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  3. Ibrahim Develi
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Correspondence to Nuri Kapucu.

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Kapucu, N., Bilim, M. & Develi, I. SER Performance of Amplify-and-Forward Cooperative Diversity Over Asymmetric Fading Channels. Wireless Pers Commun 73, 1117–1127 (2013). https://doi.org/10.1007/s11277-013-1251-4

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