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Analyzing the Impact of Fog and Atmospheric Turbulence on the Deployment of Free-Space Optical Communication Links in India

  • Research Article-Electrical Engineering
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Abstract

This paper aims to study the possibility of deployment of free-space optical communication (FSOC) links in India. We have focused on different locations of India for investigating the feasibility of the FSOC link, and it includes the coastal and inland locations, representing the major commercial areas of India. The atmospheric data related to daily visibilities and wind speeds, over 5 years, along with altitude of locations have been studied to calculate the scattering and turbulent losses. The losses due to scattering and turbulence are further added to find the total atmospheric losses for all locations. The atmospheric losses are maximum for the coastal location of Mumbai, and the inland location of Chandigarh has recorded minimum atmospheric losses. We have calculated maximum achievable link ranges for different locations mathematically by using the power link margin equation and atmospheric losses. Further, the results have revealed that the longest FSOC link of an optimal range of 3.24 km can be deployed in Chandigarh, while Mumbai has the shortest FSOC link of range 1.76 km under the average atmospheric conditions. Additionally, we have designed an FSOC system using Optisystem 13.0 software and analyzed the system performance for different locations of India by incorporating the atmospheric losses of different locations. Furthermore, we have verified the results of the mathematical and simulation model. The maximum achievable link ranges calculated by using the mathematical and simulation model have demonstrated close similarity with an average percentage error of 2.42% only.

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Data Availability

The data that support the findings of this study are available from the Indian Meteorological Department. Restrictions apply to the availability of these data, which were used under license for this study. Data are available at [http://dsp.imdpune.gov.in/] with the permission of the Indian Meteorological Department.

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Acknowledgements

We are very grateful to the Indian Meteorological Department for supplying the meteorological data, related to the atmospheric conditions of different locations, for conducting this research study.

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  1. Department of Electronics and Communication Engineering, Chandigarh University, Mohali, Punjab, 140413, India

    Harjeevan Singh & Nitin Mittal

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  1. Harjeevan Singh
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Singh, H., Mittal, N. Analyzing the Impact of Fog and Atmospheric Turbulence on the Deployment of Free-Space Optical Communication Links in India. Arab J Sci Eng 47, 2691–2710 (2022). https://doi.org/10.1007/s13369-021-05763-9

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