Performance Evaluation of FSO Communications under Sand-Dust Conditions

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Abstract

Sand-dust weather conditions are considered the primary challenge to free-space optical (FSO) communications. It may cause severe attenuation that is malignant to FSO link performance. This study investigates the impact of sand-dust particles on a laser signal using the radiation propagation method and the small-Angle approximation method. Numerical simulation shows that in sand-dust weather conditions, the multiple scattering effect is dominant and results in signal pulse delay and pulse broadening. Furthermore, the signal attenuation follows a negative exponential distribution to the laser wavelength. Superior performance can be achieved by employing a longer wavelength laser to reduce pulse delay and mutual interference.

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Cao, M., Wang, H., Yao, Y., & Hou, S. (2019). Performance Evaluation of FSO Communications under Sand-Dust Conditions. International Journal of Antennas and Propagation, 2019. https://doi.org/10.1155/2019/2046896

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