On the probability density function of signal intensity in free-space  optical communications systems impaired by pointing jitter and         turbulence

Kamran Kiasaleh

doi:10.1117/12.181939

1 November 1994 On the probability density function of signal intensity in free-space optical communications systems impaired by pointing jitter and turbulence

Kamran Kiasaleh

Author Affiliations +

Optical Engineering, Vol. 33, Issue 11, (November 1994). https://doi.org/10.1117/12.181939

Abstract

Expressions for the probability density function (pdf) of optical signal intensity in an optical communication channel impaired by motion-induced beam jitter and turbulence are derived. It is assumed that the optical beam possesses a Gaussian profile, generated by a pulsed laser, and that the beam scintillation is governed by either log-normal distribution for weak turbulence or K distribution for moderate to strong turbulence in the saturation region. For extreme propagation distances or very strong turbulence, a negative exponential pdf is used to model turbulence. For the aforementioned beam scintillation statistics, approximate pdf's for the signal intensity are also obtained and the conditions for which these approximations seem to be valid are also discussed.

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Kamran Kiasaleh "On the probability density function of signal intensity in free-space optical communications systems impaired by pointing jitter and turbulence," Optical Engineering 33(11), (1 November 1994). https://doi.org/10.1117/12.181939

Published: 1 November 1994

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