Channel capacity analysis of a mixed dual-hop radio-frequency-free space optical transmission system with Malaga distribution

被引：21

作者：

Vellakudiyan, Jagadeesh ^{[1
]}

Ansari, Imran Shafique ^{[2
]}

Palliyembil, Vineeth ^{[3
]}

Muthuchidambaranathan, Palanivel ^{[3
]}

Qaraqe, Khalid A. ^{[2
]}

机构：

[1] Vellore Inst Technol, Sch Elect Engn, Vellore 632014, Tamil Nadu, India

[2] Texas A&M Univ Qatar TAMUQ, Dept Elect & Comp Engn, Doha, Qatar

[3] Natl Inst Technol, Dept Elect & Commun Engn, Tiruchirappalli, Tamil Nadu, India

来源：

IET COMMUNICATIONS | 2016年 / 10卷 / 16期

关键词：

Rayleigh channels; amplify and forward communication; decode and forward communication; channel capacity; free-space optical communication; radio links; relay networks (telecommunication); cooperative communication; channel capacity analysis; mixed dual-hop radio-frequency-free space optical transmission system; RF-FSO communication system; Malaga distribution; amplify and forward relays; AF relays; decode and forward relays; DF relays; RF link; Rayleigh fading; FSO link; Malaga distributed turbulence channel; mixed RF-FSO cooperative system; cumulative distributive function; CDF; Meijer's G function; signal-to-noise ratio; ATMOSPHERIC-TURBULENCE; PERFORMANCE ANALYSIS; POINTING ERRORS; LINKS;

D O I：

10.1049/iet-com.2016.0041

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 channel capacity performance of a dual-hop asymmetric radio-frequency-free space optical (RF-FSO) communication system in the presence of pointing errors is presented. Here, both fixed-gain amplify and forward (AF) and decode and forward (DF) relays are considered. The RF link experiences Rayleigh fading and the FSO link experiences Malaga distributed turbulence channel. For this mixed RF-FSO cooperative system, novel mathematical expressions for cumulative distributive function (CDF) and the channel capacity are derived and performance is analysed with both fixed-gain AF and DF relays in the presence of pointing errors. In addition, the authors derive the asymptotic expressions for the CDF and the channel capacity derived earlier in terms of Meijer's G function in the high signal-to-noise ratio regime.

引用

页码：2119 / 2124

页数：6

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