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Fading mitigation coding techniques for space to ground free space optical communications

机译:空对地自由空间光通信的衰落缓解编码技术

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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.
机译:在此手稿中,已实现了对地静止卫星对地面自由空间光学(FSO)下行链路信道模型,该模型能够预测在各种湍流条件下以及不同天顶角值下由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,我们还在模型中测试了三种不同的无速率代码系列(Luby Transform,Raptor和RaptorQ)的性能,并发现RaptorQ是减轻FSO链接错误的最佳人选。 。

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