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Performance of multi-hop parallel free-space optical communication over gamma-gamma fading channel w

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外文题目: Performance of multi-hop parallel free-space optical communication over gamma-gamma fading channel with pointing errors
作者: Gao, Zhengguang; Liu, Hongzhan; Ma, Xiaoping; Lu, Wei
刊名: Appl. Optics
年: 2016 卷: 55 期: 32 页: 9178--9184
英文关键词:

ATMOSPHERIC-TURBULENCE; FSO LINKS; CAPACITY; SYSTEMS
英文摘要:
Multi-hop parallel relaying is considered in a free-space optical (FSO) communication system deploying binary phase-shift keying (BPSK) modulation under the combined effects of a gamma-gamma (GG) distribution and misalignment fading. Based on the best path selection criterion, the cumulative distribution function (CDF) of this cooperative random variable is derived. Then the performance of this optical mesh network is analyzed in detail. A Monte Carlo simulation is also conducted to demonstrate the effectiveness of the results for the average bit error rate (ABER) and outage probability. The numerical result proves that it needs a smaller average transmitted optical power to achieve the same ABER and outage probability when using the multi-hop parallel network in FSO links. Furthermore, the system use of more number of hops and cooperative paths can improve the quality of the communication. (C) 2016 Optical Society of America


文献类型: 期刊论文
正文语种: English
收录类别: SCIEI
DOI: 10.1364/AO.55.009178


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