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Composition distribution matching (CCDM) encoded 32-QAM-RoF system supporting 100 GHz radio signal

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Abstract

Recently, incredible progress has been achieved in creating radio frequency (RF) carriers for millimeter wave (30–300 GHz) optical communication systems with ultrahigh data rates. Using a constant-composition distribution matcher (CCDM) to achieve probabilistic amplitude shaping (PAS) is a practical way to improve the efficiency and adaptability of coded modulations that use minimal bandwidth. Therefore, in this research article, a 100 Gbps–100 GHz radio over fiber (RoF) system is presented by incorporating PAS-CCDM in 32-quadrature amplitude modulation (QAM) (32-QAM) system over a 160-km link distance. A comparative analysis is presented between the proposed system and conventional-32-QAM-based RoF system at different link lengths and input power levels in terms of symbol error rate and Q factor. Performance comparison of the presented system and reported RoF systems revealed that the proposed system has carried maximum RF signal, highest data rate, and prolonged distance without using any amplifier.

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Authors and Affiliations

  1. Lovely Faculty of Technology and Sciences, Lovely Professional University, Phagwara, Punjab, India

    Shippu Sachdeva, Manoj Sindhwani & Abhishek Kumar

  2. Department of Electronics and Communication Engineering, KIET Group of Institutions, Delhi-NCR, Ghaziabad, India

    Hunny Pahuja

  3. Chandigarh University, Gharuan, Mohali, Punjab, India

    Simarpreet Kaur

  4. Department of Robotics and Automation, Symbiosis Institute of Technology, Symbiosis International University, Pune, India

    Manoj Kumar Shukla

Authors
  1. Shippu Sachdeva
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  2. Hunny Pahuja
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  3. Manoj Sindhwani
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  4. Simarpreet Kaur
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  5. Abhishek Kumar
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  6. Manoj Kumar Shukla
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Correspondence to Manoj Sindhwani.

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Sachdeva, S., Pahuja, H., Sindhwani, M. et al. Composition distribution matching (CCDM) encoded 32-QAM-RoF system supporting 100 GHz radio signal. J Opt 53, 2679–2686 (2024). https://doi.org/10.1007/s12596-023-01405-5

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  • DOI: https://doi.org/10.1007/s12596-023-01405-5

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