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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 17 — Aug. 15, 2011
  • pp: 15965–15975

Atmospheric turbulence-induced fading channel model for space-to-ground laser communications links

Morio Toyoshima, Hideki Takenaka, and Yoshihisa Takayama  »View Author Affiliations


Optics Express, Vol. 19, Issue 17, pp. 15965-15975 (2011)
http://dx.doi.org/10.1364/OE.19.015965


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Abstract

The fading channel model for generating a random time-varying signal based on the atmospheric turbulence spectrum for space-to-ground laser links is discussed. The temporal frequency characteristics of the downlink are theoretically derived based on the von Karman spectrum. The rms wind speed based on the Bufton wind model is used as the transverse wind velocity, which makes the simulation simple. The time-varying signal is generated as functions of the receiver aperture diameter and the rms wind speed. The simulated result of the time-varying signal is presented and compared with the gamma-gamma distribution based on the scintillation theory in a moderate-to-strong-turbulence regime.

© 2011 OSA

OCIS Codes
(010.1300) Atmospheric and oceanic optics : Atmospheric propagation
(010.3310) Atmospheric and oceanic optics : Laser beam transmission
(060.2605) Fiber optics and optical communications : Free-space optical communication

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: June 20, 2011
Revised Manuscript: July 27, 2011
Manuscript Accepted: July 27, 2011
Published: August 4, 2011

Citation
Morio Toyoshima, Hideki Takenaka, and Yoshihisa Takayama, "Atmospheric turbulence-induced fading channel model for space-to-ground laser communications links," Opt. Express 19, 15965-15975 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-17-15965


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