Capacity Analysis of Amplify-and-Forward Based Dual-Hop Free Space Optical Communication System With Backup RF Link

被引：0
|
作者：
Alhamawi, Khaled Abdul Nasser [1 ]
Altubaishi, Essam Saleh [1 ]
机构：
[1] King Saud Univ, Dept Elect Engn, Riyadh, Saudi Arabia
来源：
PROCEEDINGS OF THE 2016 12TH INTERNATIONAL CONFERENCE ON INNOVATIONS IN INFORMATION TECHNOLOGY (IIT) | 2016年
关键词：
TURBULENCE CHANNELS;
D O I：
暂无
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
In this paper, we present an amplify and forward based dual-hop free space optical communication (FSO) system with a radio frequency (RF) backup link. In which, the dual-hop FSO links are modeled by log-normal distribution turbulence, and the RF link is assumed to follow the Rayleigh distribution. For the proposed system, analytical expressions for the cumulative distribution function and the probability density function of the end-to-end signal-to-noise ratio are derived. Based on these expressions, closed-form expression for the ergodic capacity is derived. The effect of the fading strength on the system capacity is presented. A Comparison with a dual-hop FSO without backup RF link is performed. Finally, computer simulation results are presented to verify our mathematical analysis.
引用
收藏
页码：25 / 29
页数：5
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