Performance Analysis of Mixed PLC-FSO Dual-Hop Communication Systems

被引：10
|
作者：
Yang, Liang [1 ]
Zhu, Qi [1 ]
Yan, Xiaoqin [1 ]
Li, Sai [1 ]
Jiang, Hongbo [1 ]
机构：
[1] Hunan Univ, Coll Comp Sci & Elect Engn, Changsha 410082, Peoples R China
来源：
IEEE INTERNET OF THINGS JOURNAL | 2022年 / 9卷 / 19期
关键词：
Fading channels; Signal to noise ratio; Relays; Internet of Things; Background noise; Bit error rate; Adaptive optics; Average capacity; bit error rate (BER); free-space optical (FSO); outage probability (OP); power line communication (PLC); NAKAGAMI-M; RF; PROBABILITY;
D O I：
10.1109/JIOT.2022.3165190
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this article, we analyze the performance of a mixed dual-hop power line communication/free-space optical communication (PLC-FSO) transmission system supporting both decode-and-forward (DF) and fixed-gain amplify-and-forward (AF) relaying protocols. Further, it is assumed that the PLC link experiences log-normal fading under the effects of additive background and impulsive noise, while the free-space optical (FSO) channel obeys an exponentiated Weibull distribution with pointing errors. On this basis, we derive the probability density function (PDF) and cumulative distribution function (CDF) of the end-to-end (e2e) signal-to-noise ratio (SNR). To evaluate the system performance, the closed-form expressions for the outage probability (OP) and average bit-error rate (BER) are derived. Additionally, to gain more insights, the asymptotic analysis of OP and average BER, and the upper bound of the average capacity are presented.
引用
收藏
页码：19307 / 19317
页数：11
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