Average capacity for heterodyne FSO communication systems over gamma-gamma turbulence channels with pointing errors

被引：47
|
作者：
Liu, C. [1 ]
Yao, Y. [1 ]
Sun, Y. [1 ]
Zhao, X. [1 ]
机构：
[1] Harbin Inst Technol, Shenzhen Grad Sch, Dept Elect & Informat Engn, Shenzhen 518055, Guangdong, Peoples R China
来源：
ELECTRONICS LETTERS | 2010年 / 46卷 / 12期
基金：
美国国家科学基金会;
关键词：
PERFORMANCE;
D O I：
10.1049/el.2010.0633
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：
A closed-form expression for the average capacity of the heterodyne differential phase shift keying (DPSK) free-space optical (FSO) communication systems over gamma-gamma turbulence channels is derived by considering the effect of pointing errors. Numerical results show the average capacity can be evaluated with the effect of atmospheric turbulence conditions, beamwidth and jitter variance. Meanwhile, these results verify the accuracy of our mathematical analysis. This work can be helpful for the heterodyne DPSK FSO communication system designer.
引用
收藏
页码：851 / 852
页数：2
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