Lasers, Fiber Optics, and Communications

Statistical modeling of optical attenuation measurements in continental fog conditions

[+] Author Affiliations
Muhammad Saeed Khan

University College of Engineering, Sciences and Technology, Lahore Leads University, Department of Electrical Engineering, Lahore, Pakistan

Muhammad Amin

Nuclear Institute for Food and Agriculture, Peshawar, Pakistan

Muhammad Saleem Awan

Pakistan Institute of Laser and Optics, Islamabad, Pakistan

Abid Ali Minhas

Al Yamamah University, College of Computer and Information Systems, Riyadh, Saudi Arabia

Jawad Saleem

COMSATS Institute of Information Technology, Department of Electrical Engineering, Abbottabad, Pakistan

Rahimdad Khan

COMSATS Institute of Information Technology, Department of Electrical Engineering, Wah Cantt, Pakistan

Opt. Eng. 56(3), 036113 (Mar 24, 2017). doi:10.1117/1.OE.56.3.036113
History: Received November 30, 2016; Accepted March 7, 2017
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Abstract.  Free-space optics is an innovative technology that uses atmosphere as a propagation medium to provide higher data rates. These links are heavily affected by atmospheric channel mainly because of fog and clouds that act to scatter and even block the modulated beam of light from reaching the receiver end, hence imposing severe attenuation. A comprehensive statistical study of the fog effects and deep physical understanding of the fog phenomena are very important for suggesting improvements (reliability and efficiency) in such communication systems. In this regard, 6-months real-time measured fog attenuation data are considered and statistically investigated. A detailed statistical analysis related to each fog event for that period is presented; the best probability density functions are selected on the basis of Akaike information criterion, while the estimates of unknown parameters are computed by maximum likelihood estimation technique. The results show that most fog attenuation events follow normal mixture distribution and some follow the Weibull distribution.

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© 2017 Society of Photo-Optical Instrumentation Engineers

Citation

Muhammad Saeed Khan ; Muhammad Amin ; Muhammad Saleem Awan ; Abid Ali Minhas ; Jawad Saleem, et al.
"Statistical modeling of optical attenuation measurements in continental fog conditions", Opt. Eng. 56(3), 036113 (Mar 24, 2017). ; http://dx.doi.org/10.1117/1.OE.56.3.036113


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