The Attenuation of Free Space Optical Communication under Dusty Conditions in Lahore. | [Sindh University Research Journal • 2017]

Author(s):

1. S. M. YASIR: Department of Computer Science, Sindh Madressatul Islam University, Karachi,Pakistan

2. M. T. MUSHTAQ: School of Science and Technology (SST), UMT, Lahore, Pakistan

3. M. S. KHAN: Department of Electrical Engineering, University of Gujarat,Pakistan

4. W. A. SALAM: Department of Electrical Engineering, University of Gujarat,Pakistan

5. M. S. EHSAN: Faculty of IT, UCP, Lahore, Pakistan

6. H. NAWAZ: Department of Computer Science, Sindh Madressatul Islam University,Karachi, Pakistan

Abstract:

FSO (free space optical) communication is one of the most advanced modes of wireless communication. FSO is a line of sight communication which is used to convey data from an optical transmitter to an optical receiver through atmosphere. FSO offers higher data rates but fading level due to atmospheric effects (like sand, dust, fog, rain, snow etc.) are higher than RF (radio frequency) technology. The atmosphere affects the laser beam passing through it. The atmospheric turbulence and scattering results in the degradation of the signal. In this research paper is focused and analyzes the variations in the visibility and attenuation with respect to the concentration of aerosol particles (suspended elemental particles) is done. This research work is conducted and dust model is designed in the atmosphere of urban area of Lahore city. The model deals the effect of the size of the dust particles on the visibility of FSO link and suggests a formula for the calculation of attenuation generated in the link.

Page(s): 875-880

DOI: DOI not available

Published: Journal: Sindh University Research Journal, Volume: 49, Issue: 4, Year: 2017

Keywords:

concentration , attenuation , Free Space Optical FSO Communication System

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