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Home / Archives / Volume-7 / Issue-2 / Article-3

Volume - 7 | Issue - 2 | june 2025

Impact of Design Parameters on FSO System under Rain Conditions Open Access
Ankita Purohit  , Sharbari Deb, Garima Mathur  122
Pages: 122-139
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Cite this article
Purohit, Ankita, Sharbari Deb, and Garima Mathur. "Impact of Design Parameters on FSO System under Rain Conditions." IRO Journal on Sustainable Wireless Systems 7, no. 2 (2025): 122-139
Published
20 May, 2025
Abstract

In wireless communication, FSO promises to provide high-speed communication under extremely vulnerable atmospheric conditions. This study evaluates the effect of system design parameters for moderate rain conditions by simulating the proposed model using Optisystem 22.0. In this work, the divergence angle and the aperture diameter were varied, and their effects on the system were observed in terms of the signal quality, Bits in error, and the receiver's optical power. The findings show that increasing the divergence angle degrades system performance, whereas an increase in the receiver’s aperture diameter improves the signal quality at the receiver side. The observed eye diagram reveals that the received signal quality is improved as it has less Inter-Symbol Interference.

Keywords

Free Space Optical Communication Beam Divergence Optical Power Photodetector Q-Factor

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