Performance analysis of dual-hop PLC-FSO communication system

被引：0
|
作者：
Chen S. [1 ]
Yan X. [1 ]
Li S. [1 ]
Yang L. [1 ]
机构：
[1] College of Computer Science and Electronic Engineering, Hunan University, Changsha
来源：
Tongxin Xuebao/Journal on Communications | 2021年 / 42卷 / 10期
关键词：
Bit error rate; Channel capacity; Outage probability; Power line communication and free-space optical com-munication system;
D O I：
10.11959/j.issn.1000-436x.2021199
中图分类号：
学科分类号：
摘要：
A dual-hop power line communication and free-space optical communication (PLC-FSO) system was proposed, where an amplify-and-forward (AF) relay was applied to help the signal transmission between the PLC link and the FSO link. More specifically, it was assumed that the PLC link was affected by both additive background noise and impulsive noise, and the channel fading followed log-normal distribution, while the fading induced by the atmospheric turbulence in the FSO link followed a Gamma-Gamma distribution, and the effect of pointing errors was also considered. Based on this model, closed-form expressions for the outage probability, bit error rate, and the channel capacity were derived. In addition, asymptotic analysis for the outage probability and BER, and upper bound expression for the channel capacity were presented. Finally, the accuracy of the analytical results was justified through Monte-Carlo simulations. The results show that the system outage probability decreases as the pointing error parameter increases and the smaller the PLC link impulse noise, the lower the bit error rate. The system capacity increases as the turbulence intensity decreases. © 2021, Editorial Board of Journal on Communications. All right reserved.
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页码：243 / 250
页数：7
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