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Performance analysis of mode division multiplexing based free space optics system incorporating on–off keying and polarization shift keying under dynamic environmental conditions

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Abstract

In this paper, we propose a novel mode division multiplexing (MDM) based FSO transmission system incorporating polarization shift keying (PolSK) to enhance the information carrying capacity of the system. Using numerical simulations, we report the transmission of two independent 40 Gbps information signals using distinct Laguerre Gaussian modes up to an FSO transmission reach of 90 km under the influence of clear environmental conditions using the proposed system. Further, the influence of different environmental conditions such as rain, haze, and fog on the performance of the proposed link using bit error rate as performance metrics has also been investigated in this paper. Also, we report a comparative analysis of PolSK and on–off keying modulation formats in the proposed MDM-FSO link under the same environmental conditions. The simulation results show that under different weather conditions, PolSK based MDM-FSO transmission system demonstrates better performance.

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Acknowledgements

The authors are thankful to Dr. T.S. Sidhu, Director, SBSSTC, Ferozepur for providing opportunity and support to complete the work as effective. The authors would also like to express their sincere thanks to Prof. Dr. Truong Khang Nguyen, Division of Computational Physics, Institute for Computational Science, Ton Duc Thang University, Ho Chi Minh City, Vietnam for giving his value suggestion, comments and support to complete this work as effective.

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Authors and Affiliations

  1. Department of Electronics and Communication Engineering, Guru Nanak Dev University, Regional Campus, Gurdaspur, India

    Amit Grover & Anu Sheetal

  2. Division of Computational Physics, Institute for Computational Science, Ton Duc Thang University, Ho Chi Minh City, Vietnam

    Vigneswaran Dhasarathan

  3. Faculty of Electrical and Electronics Engineering, Ton Duc Thang University, Ho Chi Minh City, Vietnam

    Vigneswaran Dhasarathan

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  1. Amit Grover
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Grover, A., Sheetal, A. & Dhasarathan, V. Performance analysis of mode division multiplexing based free space optics system incorporating on–off keying and polarization shift keying under dynamic environmental conditions. Wireless Netw 26, 3439–3449 (2020). https://doi.org/10.1007/s11276-020-02275-6

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