Performance analysis of an 80 (8 x 10) Gbps RZ-DPSK based WDM-FSO system under combined effects of various weather conditions and atmospheric turbulence induced fading employing Gamma-Gamma fading model

被引：34
|
作者：
Badar, Naazira [1 ,2 ]
Jha, Rakesh Kumar [1 ,2 ]
Towfeeq, Itmenon [2 ]
机构：
[1] Shri Mata Vaishno Devi Univ, Dept Elect & Commun Engn, Katra, Jammu & Kashmir, India
[2] Clemson Univ, Clemson, SC 29634 USA
来源：
OPTICAL AND QUANTUM ELECTRONICS | 2018年 / 50卷 / 01期
关键词：
FSO; WDM; RZ-DPSK; Gamma-Gamma fading model; Link margin; BER; Quality Factor;
D O I：
10.1007/s11082-017-1306-y
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：
Free space optics (FSO) has the capacity to be a vital element for the design of ubiquitous and reliable systems for next-generation networks owing to its large bandwidth and high data rate support. The last-mile issue finds an efficient solution in FSO in scenarios where fiber deployment is not feasible. However the FSO link is prone to fluctuations in optical signal strength due to various weather conditions and atmospheric turbulence. In this paper, an 80 (8 x 10) Gbps RZ-DPSK based WDM-FSO system is analyzed based on its performance on weather conditions viz. very clear, drizzle, haze, thin fog, moderate fog and thick fog. Link-margin analysis is also done. The turbulence model employed is the Gamma-Gamma fading model. The system is simulated on OptiSystem 14.0.
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页数：11
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