BER Performance of FSO Links over Strong Atmospheric Turbulence Channels with Pointing Errors

In this letter, we investigate the error rate performance of free-space optical (FSO) links over strong turbulence fading channels together with misalignment (pointing error) effects. First, we present a novel closed-form expression for the distribution of a stochastic FSO channel model which takes...

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Bibliographic Details
Published in:IEEE communications letters 2008-01, Vol.12 (1), p.44-46
Main Authors: Sandalidis, H.G., Tsiftsis, T.A., Karagiannidis, G.K., Uysal, M.
Format: Article
Language:English
Subjects:
Applied sciences
Atmospheric modeling
AWGN
Biomedical optical imaging
Bit error rate
Channels
Computational fluid dynamics
Detection, estimation, filtering, equalization, prediction
Error analysis
Exact sciences and technology
Exact solutions
Fading
Information, signal and communications theory
Links
Mathematical analysis
Optical modulation
Optical receivers
Optical refraction
Optical telecommunications
Optical transmitters
Optical variables control
Signal and communications theory
Signal, noise
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
Transmission and modulation (techniques and equipments)
Turbulence
Wireless optical communications
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Description
Summary:In this letter, we investigate the error rate performance of free-space optical (FSO) links over strong turbulence fading channels together with misalignment (pointing error) effects. First, we present a novel closed-form expression for the distribution of a stochastic FSO channel model which takes into account both atmospheric turbulence-induced fading and misalignment-induced fading. Then, we evaluate the average bit-error rate in closed form of a FSO system operating in this channel environment, assuming intensity modulation/direct detection with on-off keying. Numerical examples are further provided to collaborate on the derived analytical expressions.
ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2008.071408