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Outage Probability of Opportunistic Decode-and-Forward Relaying over Correlated Shadowed Fading Channels

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Abstract

For opportunistic relaying, different relays are distributed in different locations, so the shadowing between different links is likely to be different and correlated. In this letter, we investigate the effect of correlated log-normal shadowing on the outage probability of opportunistic decode-and-forward relaying. Since there is no closed-form expression for the outage probability, we present a decorrelating transformation and then use Gaussian–Hermite integration technique to evaluate this outage probability. The numerical and simulation results verify that our proposed approach is accurate, and show that the correlation coefficients and standard deviations of shadowing have a significant impact on the outage performance.

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Acknowledgments

This work was supported by the China Scholarship Council (CSC), National Natural Science Foundation of China (61401310) and the Doctoral Foundation of Tianjin Normal University (5RL135).

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Authors and Affiliations

  1. Tianjin Key Laboratory of Wireless Mobile Communications and Power Transmission, Tianjin Normal University, Tianjin, 300387, China

    Liang Han & Jiasong Mu

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  1. Liang Han
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  2. Jiasong Mu
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Correspondence to Liang Han.

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Han, L., Mu, J. Outage Probability of Opportunistic Decode-and-Forward Relaying over Correlated Shadowed Fading Channels. Wireless Pers Commun 91, 453–462 (2016). https://doi.org/10.1007/s11277-016-3470-y

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