CHENG Weijun, HUANG Yan. On the Performance of Adaptive SC/MRC Cooperative Systems over Composite Fading Channels[J]. Chinese Journal of Electronics, 2016, 25(3): 533-540. doi: 10.1049/cje.2016.05.020
Citation: CHENG Weijun, HUANG Yan. On the Performance of Adaptive SC/MRC Cooperative Systems over Composite Fading Channels[J]. Chinese Journal of Electronics, 2016, 25(3): 533-540. doi: 10.1049/cje.2016.05.020

On the Performance of Adaptive SC/MRC Cooperative Systems over Composite Fading Channels

doi: 10.1049/cje.2016.05.020
Funds:  This work is supported by the Research Program of of First-Class University and Discipline Foundation from Minzu University of China (No.10301-0150200517).
  • Received Date: 2014-04-24
  • Rev Recd Date: 2014-10-22
  • Publish Date: 2016-05-10
  • We investigated a simple Adaptive selection/maximal-ratio (ASM) combining cooperative system with output threshold over independent nonidentical composite Nakagami-lognormal fading channels using Mixture gamma (MG) distribution. Some novel closed-form expressions for the probability density function, the cumulative distribution function and the momentgeneration function of the output Signal-to-noise ratio (SNR) for the ASM system are derived, respectively. The average symbol error rate, outage probability and the diversity order for the ASM system are given based on the above expressions. For the purpose of comparison, we also derive the statistical characterizations of the conventional selection combining and maximal-ratio combining cooperative systems using MG distribution. Numerical and simulation results are shown to verify the accuracy of the analytical results under different scenarios, such as varying average SNR, fading parameters per hop, and the location of relaying nodes. These results show that ASM is a simple and flexible cooperative system, and can be useful in future practical deployment.
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