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Performance comparison of Hermite Gaussian and donut transverse modes in MDM-based FSO transmission system

MEHTAB SINGH1,* , AMIT GROVER2, MEET KUMARI1, ANU SHEETAL3, REECHA SHARMA4, SUVIDHI5

Affiliation

  1. Department of Electronics and Communication Engineering, University Institute of Engineering, Chandigarh University, Mohali, Punjab, India
  2. Department of Electronics and Communication Engineering, Shaheed Bhagat Singh State University, Ferozepur, Punjab, India
  3. Department of Engineering and Technology, Guru Nanak Dev University, Regional Campus, Gurdaspur, Punjab, India
  4. Department of Electronics and Communication Engineering, Punjabi University, Patiala, Punjab, India
  5. Department of Computer Science and Engineering, Punjab Engineering College (Deemed to be University), Chandigarh, India

Abstract

The rising demand for channel bandwidth as a result of drastic rise in the number of mobile users and high-bandwidth utilizing applications has congested the traditional networks. Free space optics (FSO) links guarantee to offer huge bandwidth for various types of present 5G wireless networks to share massive amount of data at high transmission rates for multiple users. In this work, a 2 10 Gbps mode division multiplexing (MDM)-FSO transmission system has been suggested and investigated. The performance of the proposed link is compared for distinct Hermite Gaussian (HG) modes and Donut Transverse (DT) modes. Further, the link is investigated under the impact of different weather conditions i.e. clear, light fog, moderate fog, and heavy fog. The results illustrate that DT modes perform better than HG modes under all weather conditions and are more suitable for realizing long-reach FSO links. The proposed system can suitably meet the demands of high channel-bandwidth in backhaul and front-haul links in future 5G services.

Keywords

FSO, MDM, Donut Transverse modes, Hermite Gaussian modes, Attenuation.

Citation

MEHTAB SINGH, AMIT GROVER, MEET KUMARI, ANU SHEETAL, REECHA SHARMA, SUVIDHI, Performance comparison of Hermite Gaussian and donut transverse modes in MDM-based FSO transmission system, Optoelectronics and Advanced Materials - Rapid Communications, 16, 3-4, March-April 2022, pp.121-129 (2022).

Submitted at: Aug. 6, 2021

Accepted at: April 7, 2022