Performance Analysis of FSO Links over Unified Gamma-Gamma Turbulence Channels

Ansari, I. S. , Yilmaz, F. and Alouini, M.-S. (2015) Performance Analysis of FSO Links over Unified Gamma-Gamma Turbulence Channels. In: 2015 IEEE 81st Vehicular Technology Conference (VTC Spring), Glasgow, Scotland, 11-14 May 2015, pp. 1-5. ISBN 9781479980888 (doi:10.1109/VTCSpring.2015.7145999)

Ansari, I. S. , Yilmaz, F. and Alouini, M.-S. (2015) Performance Analysis of FSO Links over Unified Gamma-Gamma Turbulence Channels. In: 2015 IEEE 81st Vehicular Technology Conference (VTC Spring), Glasgow, Scotland, 11-14 May 2015, pp. 1-5. ISBN 9781479980888 (doi:10.1109/VTCSpring.2015.7145999)

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Abstract

In this work, we present a unified performance analysis of a free-space optical (FSO) link that accounts for pointing errors and both types of detection techniques (i.e. intensity modulation/direct detection as well as heterodyne detection). We, then, present unified exact closed-form expressions for various statistical characteristics of the end-to-end signal-to-noise ratio (SNR) of a single link FSO transmission system. We capitalize on these unified results to offer unified exact closed-form expressions for various performance metrics. Additionally, we derive the asymptotic results for all the expressions derived earlier in the high SNR regime in terms of simple elementary functions. We also derive new asymptotic expressions for the ergodic capacity in the low as well as high SNR regimes in terms of simple elementary functions via utilizing moments. All the presented results are verified via computer-based Monte-Carlo simulations.

Item Type:Conference Proceedings
Additional Information:This work was supported in part by a grant from King Abdulaziz City of Sciences and Technology (KACST).
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Ansari, Dr Imran
Authors: Ansari, I. S., Yilmaz, F., and Alouini, M.-S.
College/School:College of Science and Engineering > School of Engineering > Systems Power and Energy
ISSN:1550-2252
ISBN:9781479980888

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