Statistical and temporal irradiance fluctuations modeling for a ground-to-geostationary satellite optical link
Résumé
An optical communication link performance between the ground and a geostationary satellite can be impaired by scintillation, beam wandering and beam spreading due to its propagation through atmospheric turbulence. These effects on the link performance can be mitigated by tracking and error correction codes coupled with interleaving. Precise numerical tools capable of describing the irradiance fluctuations statistically and of creating irradiance time series are needed to characterize the benefits of these techniques and optimize them. The wave optics propagation method have proven their capability of modeling the effects of atmospheric turbulence on a beam but it is known to be computationally intensive. We present an analytical-numerical model that provides good results on the probability density functions of irradi-ance fluctuations as well as time series with an important saving of time and computational resources.
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