2005•Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIERequires access
Study of channel model of free-space laser communications system
Ying Tan, Jianzhong Guo
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Abstract
Free-space laser communication is attractive technology regardless of in intersatellites applications or in atmosphere application. However, free space laser transmission environment is very terrible bit error rate will increase because of various interferences. In the paper, the characteristic of free-space laser transmitting is analyzed, and channel models used in the free-space laser communications system are retrospected and summarized. It leads to the suggestion that forward error correction codes should be applied to free space optical communication systems to improve the transmission reliability, and some useful conclusions are drawn.