电力线和自由光混合通信系统的中断概率分析

doi:10.11959/j.issn.1000-0801.2023198

Abstract

Abstract:

The outage probability of a mixed power line communication and free-space optical communication (PLC-FSO) system with multiuser was investigated.First of all, by assumption that PLC link was affected by both additive background noise and impulsive noise, and FSO link was affected by the pointing error, a mixed PLC-FSO communication system model in multiuser scenario was established and the output signal-to-noise ratio (SNR) of the system was obtained with threshold-based decode-and-forward (DF) protocol.Next, by considering the PLC link obeyed lognormal distribution, while the FSO link obeyed Gamma-Gamma distribution, the closed-form outage probability expression for the considered system was analyzed.Furthermore, the asymptotic outage probability formula at high SNR was also derived to show the diversity order and array gain of the considered system.Finally, computer simulations were provided to validate the correctness of the theoretical analysis, and the influence of related parameters on system performance was also analyzed.As a result, it provides guidance for the entire system design.

Key words: PLC, FSO communication, multiuser system, outage probability

CLC Number:

TN927

Ji ZHANG, Su XU, Yanghua DIAO, Zhi CHEN, Baohui YU. Analysis of the outage probability for mixed PLC-FSO communication systems[J]. Telecommunications Science, 2023, 39(12): 76-84.

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References 18

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