Bit error rate and reliability analysis of cooperative communication in free-space optical systems

被引：0
|
作者：
Vineeta Dubey
Devi Chadha
Vinod Chandra
机构：
[1] Indian Institute of Technology Delhi Hauz Khas,Department of Electrical Engineering
来源：
Photonic Network Communications | 2014年 / 28卷
关键词：
FSO; Cooperative communication; Pointing error ; Reliability; Availability; MTBF;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We have investigated the performance and reliability improvement of cooperative free-space optical (FSO) communication over single input single output (SISO) system in this paper. The bit error rate (BER) analysis with quadrature phase shift keying (QPSK), gamma–gamma channel model and pointing error has been demonstrated for SISO and cooperative system. The performance improvement with different combining techniques in cooperative system for different channel environments has been shown in the paper. Markov models for reliability analysis of FSO systems in SISO and cooperative communication have been developed. We have obtained significant increase in availability and mean time between failures with cooperative communication over SISO model.
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页码：92 / 101
页数：9
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