Performance of SIMO FSO Links over Mixture Composite Irradiance Channels

Free space optics (FSO) technology has demonstrated an increasingly scientific and commercial interest over the past few years. However, due to signal propagation in the atmosphere, the operation depends strongly on the atmospheric conditions and some random impairments, including turbulence and poi...

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Bibliographic Details
Published in:Applied sciences 2019-05, Vol.9 (10), p.2072
Main Authors: Androutsos, Nikolaos A., Nistazakis, Hector E., Stassinakis, Argyris N., Sandalidis, Harilaos G., Tombras, George S.
Format: Article
Language:English
Subjects:
Apertures
atmospheric turbulence
Eddies
Error functions
Expected values
free space optical communications (FSO)
Gaussian beams (optics)
Irradiance
pointing errors
Process parameters
receiver diversity
Scattering
Transmitters
Turbulence
Turbulence models
Wavelengths
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Summary:Free space optics (FSO) technology has demonstrated an increasingly scientific and commercial interest over the past few years. However, due to signal propagation in the atmosphere, the operation depends strongly on the atmospheric conditions and some random impairments, including turbulence and pointing error (PE) effects. In the present study, a single-input multiple-output FSO system with wavelength, spatial, or time diversity over the turbulence and non-zero boresight PE effects is thoroughly investigated. A versatile mixture composite model which accurately describes both impairments is employed for the performance evaluation. Novel mathematical expressions of the outage probability and the average bit-error rate assuming intensity modulation/direct detection and optimal combining at the reception are provided.
ISSN:2076-3417
2076-3417
DOI:10.3390/app9102072