Effects on pulse-position modulation for laser communication in the presence of atmospheric scintillation

John J. Kiriazes; Ronald L. Phillips; Larry C. Andrews

doi:10.1117/12.450639

9 December 2002 Effects on pulse-position modulation for laser communication in the presence of atmospheric scintillation

John J. Kiriazes, Ronald L. Phillips, Larry C. Andrews

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Proceedings Volume 4821, Free-Space Laser Communication and Laser Imaging II; (2002) https://doi.org/10.1117/12.450639
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

Atmospheric scintillation negatively affects point-to-point laser communication requiring either an increase in power to maintain link throughput rate or decreasing the data rate at a constant power. The effect of atmospheric scintillation on irradiance can be modeled using a gamma-gamma probability distribution. With the model of irradiance known, the Poisson transform of the irradiance is determined. Using the Poisson transform of the gamma-gamma distribution, the probability of word error is calculated for a pulse-position modulation (PPM) receiver. The word error probability for M-ary PPM decoding is then plotted with respect to varying turbulence parameters.

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John J. Kiriazes, Ronald L. Phillips, and Larry C. Andrews "Effects on pulse-position modulation for laser communication in the presence of atmospheric scintillation", Proc. SPIE 4821, Free-Space Laser Communication and Laser Imaging II, (9 December 2002); https://doi.org/10.1117/12.450639

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