Further results on fog modeling for terrestrial free-space optical links

Muhammad S. Khan; Erich Leitgeb; Sajid S. Muhammad; Muhammad S. Awan; Vaclav Kvicera; Martin Grabner

doi:10.1117/1.OE.51.3.031207

9 April 2012 Further results on fog modeling for terrestrial free-space optical links

Muhammad S. Khan, Erich Leitgeb, Sajid S. Muhammad, Muhammad S. Awan, Vaclav Kvicera, Martin Grabner

Author Affiliations +

Funded by: Ministry of Education, Ministry of Education, Youth and Sports of the Czech Republic

Optical Engineering, Vol. 51, Issue 3, 031207 (April 2012). https://doi.org/10.1117/1.OE.51.3.031207

Abstract

Recent measurement campaigns in Prague, Czech Republic have recorded the specific attenuation caused by fog in terrestrial free-space optical (FSO) links along with visibility, liquid water content (LWC), and integrated particle surface area for operational wavelengths of 1550 and 830 nm. Data recorded during 5 months of measurements has been analyzed in an attempt to validate and improve the empirical models for LWC and visibility-based attenuation and the probability density function (PDF) estimation of the received signal strength (RSS). The results strongly suggest that further attempts in refinement of the empirical modeling for visibility-based attenuation or LWC-based attenuation shall move towards the establishment of a global data bank of fog attenuation measurements in different climatic regions. This data bank can then help develop generic models which could lead to better system design of future terrestrial FSO links. The PDF estimation of RSS puts forth the Kumaraswamy distribution as the best fit for settled continental fog conditions.

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Muhammad S. Khan, Erich Leitgeb, Sajid S. Muhammad, Muhammad S. Awan, Vaclav Kvicera, and Martin Grabner "Further results on fog modeling for terrestrial free-space optical links," Optical Engineering 51(3), 031207 (9 April 2012). https://doi.org/10.1117/1.OE.51.3.031207

Published: 9 April 2012

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