Performance analysis of DF relaying multi-hop systems over log-normal fading channels |
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Authors: | Gaofeng Pan Quanyuan Feng |
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Affiliation: | 1. The School of Electronic and Information Engineering, Southwest University, Chongqing 400715, China;2. The School of Information Science & Technology, Southwest Jiaotong University, Chengdu 610031, China |
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Abstract: | In this paper, we studied the end-to-end average bit error rate (BER) performance of decode-and-forward (DF) relaying multi-hop chain systems (MCSs) over log-normal fading channels. After specifying the distribution of the signal-to-noise rate for each hop, the analytical expression of the end-to-end average BER has been derived. The derived end-to-end average BER model can be used in the case that all the single-hops in the chain have different statistical behaviors, i.e., all links suffer various types of fadings, not limited to one type of fading. The comparisons between Monte Carlo simulation results and analytical results under various conditions verify the accuracy of the proposed model. |
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