大气和光学非线性条件下M-QAM调制wdm自由空间光传输系统性能分析

2015 International Conference on Microwave, Optical and Communication Engineering (ICMOCE) Pub Date : 2015-12-01 DOI:10.1109/ICMOCE.2015.7489686

R. Jee, S. Chandra

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引用次数: 7

摘要

在本文中，我们研究了基于M-QAM的自由空间光链路(FSO)与波分复用(WDM)相结合在光学非线性和大气湍流条件下的性能。我们的分析表明，光信道和FSO信道非线性的共同作用会降低链路的传输性能，包括误码率和EVM。本文还提出了基于光调制指数(OMI)的优化方法来减轻上述不利因素。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Performance analysis of WDM-free-space optical transmission system with M-QAM modulation under atmospheric and optical nonlinearities

In this paper, we have studied the performance of M-QAM based free-space optical link (FSO) integrated with Wavelength-division multiplexing (WDM) in the presence of both optical nonlinearity and atmospheric turbulence. Our analysis shows that joint effect of optical and FSO channel nonlinearity degrades the transmission performance link performs in terms of BER and EVM. The optimization in terms of optical modulation index (OMI) to mitigate the above detrimental factors is also presented.

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2015 International Conference on Microwave, Optical and Communication Engineering (ICMOCE)

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