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Capacity Enhancement for Free Space Optics Transmission System Using Orbital Angular Momentum Optical Code Division Multiple Access in 5G and beyond Networks

Author

Listed:
  • Somia A. Abd El-Mottaleb

    (Alexandria Higher Institute of Engineering and Technology, Alexandria 21311, Egypt)

  • Mehtab Singh

    (Department of Electronics and Communication Engineering, University Institute of Engineering, Chandigarh University, Mohali 140413, Punjab, India)

  • Abdellah Chehri

    (Department of Mathematics and Computer Science, Royal Military College of Canada, Kingston, ON K7K 7B4, Canada)

  • Hassan Yousif Ahmed

    (Department of Electrical Engineering, College of Engineering in Wadi Alddawasir, Prince Sattam Bin Abdulaziz University, Wadi Alddawasir 11991, Saudi Arabia)

  • Medien Zeghid

    (Department of Electrical Engineering, College of Engineering in Wadi Alddawasir, Prince Sattam Bin Abdulaziz University, Wadi Alddawasir 11991, Saudi Arabia
    Electronics and Micro-Electronics Laboratory (E. μ. E. L.), Faculty of Sciences, University of Monastir, Monastir 5000, Tunisia)

  • Akhtar Nawaz Khan

    (Department of Electrical Engineering, Jalozai Campus, University of Engineering and Technology, Peshawar 25120, Pakistan)

Abstract

This paper introduces a novel free space optics (FSO) communication system for future-generation high-speed networks. The proposed system integrates orbital angular momentum (OAM) modes with an optical code division multiple access (OCDMA) technique. Two OAM beams are used ( L G 0 , 0 and L G 0 , 10 ), each of which is used for transmitting three independent channels. Each channel is assigned by fixed right shift (FRS) codes and carries 10 Gbps of information data. The performance of the proposed model is evaluated under different foggy and dust storm conditions. Furthermore, the performance of two cities with different geographical locations, Alexandria city in Egypt and Srinagar city in India, is investigated to demonstrate its ability to be implemented in future generations. Bit error rate (BER), eye diagrams, received optical power (ROP), and channel capacity are used for studying the performance of the proposed system. The observed simulation results show successful transmission of 60 Gbps overall capacity with the longest propagation FSO range for Alexandria city, which is 1400 m. Because dust storms have a large attenuation when compared to different foggy conditions, the proposed model had the shortest propagation range of 315 m under low dust (LD), 105 m under moderate dust (MD), and 40 m under heavy dust (HD). Furthermore, the cloudy weather conditions that affect Srinagar city, which is considered a hilly area, make our suggested model achieve 1000 m.

Suggested Citation

  • Somia A. Abd El-Mottaleb & Mehtab Singh & Abdellah Chehri & Hassan Yousif Ahmed & Medien Zeghid & Akhtar Nawaz Khan, 2022. "Capacity Enhancement for Free Space Optics Transmission System Using Orbital Angular Momentum Optical Code Division Multiple Access in 5G and beyond Networks," Energies, MDPI, vol. 15(19), pages 1-19, September.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:19:p:7100-:d:926893
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    References listed on IDEAS

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    1. Somia A. Abd El-Mottaleb & Ahmed Métwalli & Abdellah Chehri & Hassan Yousif Ahmed & Medien Zeghid & Akhtar Nawaz Khan, 2022. "New Algorithm for a Fixed Right Shift Code to Support Different Quality of Services in Smart and Sustainable Optical Networks," Sustainability, MDPI, vol. 14(16), pages 1-21, August.
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