Experimental Model Development for the Attenuation Coefficient Estimation of Terrestrial Optical Wireless Links over the Sea

Free space optical (FSO) systems have become a reliable solution for modern communications networks, due to the high performance, availability, reliability and security they can provide. However, their characteristics depend strongly on the conditions of the atmosphere, which is the propagation path...

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Bibliographic Details
Published in:Telecom (Basel) 2021-03, Vol.2 (1), p.93-107
Main Authors: Stassinakis, Argyris N., Papavgeris, George A., Nistazakis, Hector E., Tsigopoulos, Andreas D., Androutsos, Nikolaos A., Tombras, George S.
Format: Article
Language:English
Subjects:
Accuracy
Atmospheric models
Atmospheric temperature
attenuation coefficient
Attenuation coefficients
Component reliability
experimental model
Humidity
Lasers
Measuring instruments
Network reliability
Precipitation
Propagation
Regression analysis
Relative humidity
terrestrial free space optical links
Wind speed
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Summary:Free space optical (FSO) systems have become a reliable solution for modern communications networks, due to the high performance, availability, reliability and security they can provide. However, their characteristics depend strongly on the conditions of the atmosphere, which is the propagation path of the optical beam. In this work, this dependence is experimentally investigated through a terrestrial horizontal FSO link, which was installed a few meters above the sea. Thus, the procedure presented hereis an accurate empirical model for the estimation of the attenuation coefficient for an optical wireless link, as a function of the atmospheric temperature, the relative humidity, and the wind speed. Its accuracy is verified by comparing the estimated outcomes—obtained from the empirical model—versus the measured—experimental—ones. Such accurate empirical models can be used for designing high performance and reliability FSO links, as parts of the upcoming 5G/5G+ networks, for areas where the behavior of the atmospheric conditions and parameters are known.
ISSN:2673-4001
2673-4001
DOI:10.3390/telecom2010007