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Joint impact of interference and hardware impairments on the performance of mixed RF/FSO cooperative relay networks

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Abstract

In this paper, the simultaneous impact of interference and aggregated hardware impairments on the performance of mixed radio frequency/free space optical (RF/FSO) relaying systems is studied. The relay node is assumed to operate in decode-and-forward (DF) mode and the statistics of RF fading along with co-channel interferers have been modeled using the Nakagami-m distribution. The FSO link is affected by turbulence and pointing error fading which has been modeled using the Malaga distribution. For the considered system model, the closed-form analytical expressions have been derived for outage probability and ergodic capacity. The exact results have been further simplified using the high signal-to-noise ratio approximations to derive the asymptotic representations for the same. Finally, numerical and simulation results have been demonstrated to showcase the important findings of the research work to illustrate the impact of hardware impairment and interference on the mixed RF/FSO DF relaying system.

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  1. NSUT East Campus (Formerly AIACTR), Affiliated to GGSIPU, Delhi, India

    Anu Goel

  2. NSUT East Campus (Formerly AIACTR), Delhi, India

    Richa Bhatia

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  1. Anu Goel
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  2. Richa Bhatia
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Correspondence to Anu Goel.

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Goel, A., Bhatia, R. Joint impact of interference and hardware impairments on the performance of mixed RF/FSO cooperative relay networks. Opt Quant Electron 53, 530 (2021). https://doi.org/10.1007/s11082-021-03064-x

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