Artificial Generation of Mie Scattering Conditions for FSO Fog Chambers

Research output: Chapter in Book/Report/Conference proceedingConference paperpeer-review

Abstract

Terrestrial Free Space Optical (FSO) systems aim to provide an ultra-broadband connectivity within core, metro and access networks. While FSO is considered as a promising solution that meets the data throughput demands of new 5G and Internet of Things (IoT) era, the adverse atmospheric effects and in particular Mie scattering (fog), impose significant risks for communication outage events. In order to foresee and evaluate those fog-related issues within an optical wireless link, the current paper reports on experimental setup utilizing artificial fog sources based on mixture of different highly purified glycols and water. As means of determining the approach feasibility, both atmospheric microphysics by means of empirical modified Gamma Particle Size Distribution (PSD) fog functions and Mie theory are used to estimate the artificially simulated Mie scattering attenuation of glycol-water fluids characterized by their complex refractive indices. The obtained results for moderate continental fog and different glycol concentration demonstrate 69.7 dB/km FSO losses at average which outcome coincides with a naturally occurred fog event. Moreover, all results are compared with analyzed PSDs obtained based on laser diffraction system for two types of fog machines that operate with the considered glycol-water fluids.

Original languageEnglish
Title of host publication2022 13th International Symposium on Communication Systems, Networks and Digital Signal Processing, CSNDSP 2022
PublisherInstitute of Electrical and Electronics Engineers
Pages54-58
Number of pages5
ISBN (Electronic)9781665410441
DOIs
Publication statusPublished - 2022
Event13th International Symposium on Communication Systems, Networks and Digital Signal Processing: CSNDSP 2022 - Dr. António Cupertino de Miranda Centro de Congressos, Porto, Portugal
Duration: 20 Jul 202222 Jul 2022

Conference

Conference13th International Symposium on Communication Systems, Networks and Digital Signal Processing
Abbreviated titleCSNDSP 2022
Country/TerritoryPortugal
CityPorto
Period20/07/2222/07/22

Keywords

  • fog
  • fog fluid
  • Free Space Optics (FSO)
  • Mie scattering
  • optical attenuation
  • Particle Size Distribution (PSD)

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Signal Processing
  • Safety, Risk, Reliability and Quality
  • Instrumentation
  • Atomic and Molecular Physics, and Optics

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