Performance analysis of multi-hop free space optics over strong turbulence

被引：0
|
作者：
Hu, Qingsong [1 ]
Huang, Yuhua [1 ]
Wang, Junbo [2 ]
Zhang, Jing [3 ]
Jiang, Peng [2 ]
Su, Qin [2 ]
Song, Xiaoyu [4 ]
机构：
[1] College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, Jiangsu 210016, China
[2] College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, Jiangsu 210016, China
[3] School of Electrical and Information Engineering, Jiangsu University, Zhenjiang, Jiangsu 212001, China
[4] Guangxi Key Laboratory of Hybrid Computation and IC Design Analysis, Nanning, Guangxi 530006, China
来源：
Guangxue Xuebao/Acta Optica Sinica | 2013年 / 33卷 / 09期
关键词：
Atmospheric turbulence - Light transmission - Alignment - Fading channels - Space optics;
D O I：
10.3788/AOS201333.0906004
中图分类号：
学科分类号：
摘要：
The performance of multi-hop free space optics (FSO) is investigated using serial decode-and-forward (DF) relay transmission. While researching the optical channel fading model, a statistical model for the optical intensity fluctuation at the receiver due to the combined effects of strong turbulence-induced fading, misalignment error and pass loss is presented. For given weather and misalignment conditions, the end-to-end outage probability of serial DF multi-hop FSO is derived and a closed-form analytical expression is got. Numerical results show that the serial DF multi-hop transmission is a promising technology to increase the performance of FSO. The derived analytical expression shows excellent agreement with the simulation results.
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