On the BER performance of relay-aided free-space optical communications in the presence of input-dependent noise

Wang, Jin‐Yuan; Wang, Junbo; Zhu, Jian-Xia; Liu, Cheng; Chen, Ming

doi:10.1109/wcsp.2017.8170886

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2020

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“…where g = g L g R denotes the composite VLC channel gain in the outdoor environment [16]. g L is the path-loss following Lambertian emission, ρ denotes the effective photo-current conversion ratio, and g R =g R + R is the atmospheric turbulence, whereg R and R denote the estimated atmospheric turbulence and corresponding estimation error, with variance σ 2 R , respectively.…”

Section: System Modelmentioning

confidence: 99%

Outage of Cognitive Electric Vehicle Networks Over Mixed RF/VLC Channels With Signal-Dependent Noise and Imperfect CSI

Nauryzbayev

Abdallah

Ansari

et al. 2020

IEEE Trans. Veh. Technol.

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In this paper, we propose a novel jamming-robust communication technique for the outdoor cognitive EV-enabled network over mixed radio-frequency (RF)/visible light communication (VLC) channels with signal-dependent noise. One EV acts as a relaying node to allow an aggregator to reach the jammed EV and, at the same time, operates in both RF and VLC spectrum bands while satisfying interference constraints imposed by the primary network entities. We derive an exact closed-form analytical expression for the outage probability and also provide its asymptotic analysis while considering various channel state information quality scenarios. Finally, simulation results validate the accuracy of our analysis. Index Terms-Cognitive radio (CR), electrical vehicle (EV), outage probability (OP), visible light communication (VLC).

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Section: System Modelmentioning

confidence: 99%