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Performance Analysis for Cooperative Ad-hoc Networks in the Presence of Correlated Nakagami Fading

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Abstract

In a cooperative network, the adverse effect of fading is tackled with the assist of intermediate node using spatial diversity. The system model consists of an origin node (O), an intermediate node (I) and a final node (F). In this paper, we derive an end to end symbol error probability (SEP) for the proposed novel max-min switched diversity scheme over a correlated Nakagami-m fading channels. The modulation scheme used in the system model is M-ary Phase Shift Keying (MPSK). The intermediate node utilizes decode and forward (DF) protocol for retransmission. In this system, we assumed that there is a correlation exists between originating-to-intermediate node link and intermediate-to-final node link. The proposed scheme utilizes full channel state information (CSI) therefore offers better performance. The result shows that the proposed scheme performs better than the other competing schemes. It is also found that the correlated channels reduce the end-to-end system performance than the uncorrelated scenario.

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Authors and Affiliations

  1. Department of ECE, SSN College of Engineering, Kalavakkam, Chennai, Tamilnadu, 603110, India

    C. Annadurai

  2. Department of ECE, Adhiparasakthi Engineering College, Melmaruvathur, Tamilnadu, 603319, India

    V. Nagarajan

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  1. C. Annadurai
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  2. V. Nagarajan
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Correspondence to C. Annadurai.

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Annadurai, C., Nagarajan, V. Performance Analysis for Cooperative Ad-hoc Networks in the Presence of Correlated Nakagami Fading. Wireless Pers Commun 92, 1443–1458 (2017). https://doi.org/10.1007/s11277-016-3614-0

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  • DOI: https://doi.org/10.1007/s11277-016-3614-0

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