具有射频反馈链路的海上FSO信道自适应信道编码

2011 International Conference on Space Optical Systems and Applications (ICSOS) Pub Date : 2011-05-11 DOI:10.1109/ICSOS.2011.5783696

M. Gregory, P. Hoeher

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引用次数: 4

摘要

自由空间光数据链路(FSO)可以提供高带宽和安全的数据传输。由于雾或大气湍流等信道影响会降低网络的可用性，因此需要微波(RF)备份链路。本文考虑了海洋环境。研究了不同闪烁指数的多孔径(MIMO) FSO链路中信道编码的影响。此外，提出了一种自适应编码方案，最大限度地提高了组合混合(RF/FSO)网络在各种可能的信号失真情况下的可用性。

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Adaptive channel coding for maritime FSO channels with RF feedback link

Free-space optical data links (FSO) can provide high bandwidth and secure data transmission. Since channel impacts like fog or atmospheric turbulence are decreasing the network availability, a microwave (RF) backup link is desirable. In this paper, the maritime environment is considered. The impact of channel coding is studied for multi-aperture (MIMO) FSO links with different scintillation index. In addition, an adaptive coding scheme is proposed, maximizing the availability of the combined hybrid (RF/FSO) network regarding the full range of possible signal distortions.

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2011 International Conference on Space Optical Systems and Applications (ICSOS)

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