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Proceedings Paper

Performance analysis of MIMO FSO systems with radial array beams and finite sized detectors
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Paper Abstract

Multiple-input multiple-output (MIMO) systems are employed in free space optical (FSO) links to mitigate the degrading effects of atmospheric turbulence. In this paper, we consider a MIMO FSO system with practical transmitter and receiver configurations that consists of a radial laser array with Gaussian beams and finite sized detectors. We formulate the average received intensity and the power scinitillation as a function of the receiver coordinates in the presence of weak atmospheric turbulence by using the extended Huygens-Fresnel principle. Then, integrations over the finite sized multiple detectors are performed and the effect of the receiver aperture averaging is quantified. We further derive an outage probability expression of this MIMO system in the presence of turbulence-induced fading channels. Using the derived expressions, we demonstrate the effect of several practical system parameters such as the ring radius, the number of array beamlets, the source size, the link length, structure constant and the receiver aperture radius on the system performance.

Paper Details

Date Published: 3 October 2014
PDF: 13 pages
Proc. SPIE 9224, Laser Communication and Propagation through the Atmosphere and Oceans III, 922409 (3 October 2014); doi: 10.1117/12.2060867
Show Author Affiliations
Muhsin C. Gökçe, Çankaya Univ. (Turkey)
Canan Kamacıoğlu, Çankaya Univ. (Turkey)
Murat Uysal, Özyeğin Univ. (Turkey)
Yahya Baykal, Çankaya Univ. (Turkey)

Published in SPIE Proceedings Vol. 9224:
Laser Communication and Propagation through the Atmosphere and Oceans III
Alexander M. J. van Eijk; Christopher C. Davis; Stephen M. Hammel, Editor(s)

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