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Atmospheric turbulence reduces the reliability of atmospheric laser-communication systems, and light-intensity flicker increases the system bit-error rate. Although the characteristics of an atmospheric channel cannot be changed, methods such as large-aperture reception, automatic-gain control (AGC), adaptive optics, channel coding, multi-aperture transmission technology, and multi-aperture reception technology are effective methods to suppress the influence of atmospheric turbulence (Churnside in Appl Opt 30:1982–1994, 1991;Huiqin and Xizheng in Laser Journal 29:52–54, 2008;Huiqin and Xizheng in China Laser 35:874–878, 2008; Andrews L C, Phillips R L, Hopen C Y. Aperture averaging of optical scintillations: power fluctuaions and the temporal spectrum[J]. Waves in Random Media, 2000, 10: (1) 53–70.;Dongtang et al. in J Opt 24:1020–1024, 2004; Minch, J.R. Gervais, D.R. Townsend, D.J.Adaptive Transceivers for Mobile Free-Space Optical Communications [C]IEEE Military Communications Conference, 1 ~ 5 200; Shane M. Haas, Jeffrey H. Shapiro, Vahid Tarokh, Space–Time Codes for Wireless Optical;).

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Multi-aperture Transmitter/Multi-aperture Receiver Technology in a Turbulent Atmosphere

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  • 发表日期：

    2025年

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  • Xizheng Ke

摘要

Atmospheric turbulence reduces the reliability of atmospheric laser-communication systems, and light-intensity flicker increases the system bit-error rate. Although the characteristics of an atmospheric channel cannot be changed, methods such as large-aperture reception, automatic-gain control (AGC), adaptive optics, channel coding, multi-aperture transmission technology, and multi-aperture reception technology are effective methods to suppress the influence of atmospheric turbulence (Churnside in Appl Opt 30:1982–1994, 1991;Huiqin and Xizheng in Laser Journal 29:52–54, 2008;Huiqin and Xizheng in China Laser 35:874–878, 2008; Andrews L C, Phillips R L, Hopen C Y. Aperture averaging of optical scintillations: power fluctuaions and the temporal spectrum[J]. Waves in Random Media, 2000, 10: (1) 53–70.;Dongtang et al. in J Opt 24:1020–1024, 2004; Minch, J.R. Gervais, D.R. Townsend, D.J.Adaptive Transceivers for Mobile Free-Space Optical Communications [C]IEEE Military Communications Conference, 1 ~ 5 200; Shane M. Haas, Jeffrey H. Shapiro, Vahid Tarokh, Space–Time Codes for Wireless Optical;).