空间到地面自由空间光通信的衰落减缓编码技术

A. Andò, R. Pernice, L. Curcio, S. Stivala, S. Mangione, P. Gallo, M. Campanella, G. Garbo, A. Busacca
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引用次数: 3

摘要

在本文中,实现了一个地球静止卫星对地自由空间光学(FSO)下行通道模型,该模型能够预测在大范围湍流条件下和不同天顶角值下闪烁引起的时间辐照度波动。为了减轻FSO通信中发生的衰落事件,我们还在我们的模型中测试了三种不同的无速率代码(Luby Transform, Raptor和RaptorQ)的性能,发现RaptorQ是减轻FSO链路错误的最佳候选。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Fading mitigation coding techniques for space to ground free space optical communications
In this manuscript, a Geostationary satellite-to-ground Free Space Optics (FSO) downlink channel model has been implemented, which is able to predict temporal irradiance fluctuations caused by scintillation at a wide range of turbulence conditions and for different values of the zenith angle. In order to mitigate fading events that occur in FSO communications, we have also tested the performance of three different families of Rateless Codes (Luby Transform, Raptor and RaptorQ) into our model and found that RaptorQ is the best candidate to mitigate errors in FSO links.
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