Performance analysis of mixed RF/FSO system with CCI

被引：4

作者：

Wang, Zhuo ^{[1
]}

Shi, Wenxiao ^{[1
]}

Liu, Wei ^{[1
]}

机构：

[1] Jilin Univ, Coll Commun Engn, 5372 Nanhu Rd, Changchun 130012, Jilin, Peoples R China

来源：

IET COMMUNICATIONS | 2019年 / 13卷 / 14期

基金：

中国国家自然科学基金;

关键词：

probability; cochannel interference; amplify and forward communication; Rayleigh channels; optical links; relay networks (telecommunication); free-space optical communication; statistical distributions; outage capacity; system performance; RF links; fixed gain scheme; performance enhancement; variable gain scheme; performance analysis; CCI; optical system; co-channel interference; Rayleigh fading; FSO links; pointing errors; multiple CCIs; fixed gain relay schemes; variable gain relay schemes; mixed RF-FSO system; mixed radio-frequency-free-space optical system; amplify-and-forward relay; end-to-end outage probability; symbol error rate; SER floors; M-distribution; ATMOSPHERIC-TURBULENCE; CHANNEL;

D O I：

10.1049/iet-com.2018.5653

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this study, the performance of the mixed radio-frequency (RF)/free-space optical (FSO) system with co-channel interference (CCI) is investigated. The RF links are modelled as Rayleigh fading, whereas FSO links follow M-distribution with pointing errors. Assume the amplify-and-forward relay is corrupted by multiple CCIs, and both fixed and variable gain relay schemes are considered. Novel expressions for the end-to-end outage probability (OP), symbol error rate (SER) and outage capacity in different cases are presented and analysed. Numerical results demonstrate the existence of OP and SER floors in the presence of CCIs, which implies system performance is dominant by RF links, and interference is the main factor affecting the system performance. Additionally, the fixed gain scheme provides a performance enhancement compared with the variable gain scheme in the authors' system.

引用

页码：2199 / 2206

页数：8

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