VLC application in peak to average power reduction in optical NOMA waveform using PAPR methods
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Jyoti A. Dhanke
Abstract
This work presents a novel peak-to-Average aower ratio (PAPR) reduction method for non-orthogonal multiple access (NOMA) waveforms based on an Airy function-based partial transmit sequence (PTS) strategy. The new approach is evaluated over NOMA systems with 64, 256, and 512 subcarriers and compared with traditional PTS, selective mapping (SLM), and clipping and filtering methods. Performance assessment takes into account significant parameters such as PAPR reduction, bit error rate (BER), and power spectral density (PSD). Findings show that the Airy-based PTS scheme efficiently reduces PAPR for all subcarrier configurations with a competitive BER, especially in high-subcarrier applications where conventional methods tend to deteriorate. PSD analysis also verifies that the suggested method maintains spectral integrity, reducing out-of-band emissions. Such a conclusion makes Airy-based PTS a promising means of improving the efficiency of NOMA waveforms in 5G and forthcoming wireless networks via an optimal performance balance between spectral efficiency, reduction of PAPR, and BER performance.
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Research ethics: Not applicable.
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Informed consent: Not applicable.
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Author contributions: The authors have accepted responsibility for the entire content of this manuscript and approved its submission.
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Use of Large Language Models, AI and Machine Learning Tools: None declared.
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Conflict of interest: The author states no conflict of interest.
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Research funding: Not applicable.
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Data availability: Not applicable.
References
1. Le-Tran, M, Vu, T -H, Kim, S. Performance analysis of optical backhauled cooperative NOMA visible light communication. IEEE Trans Veh Technol 2021;70:12932–45. https://doi.org/10.1109/TVT.2021.3121716.Search in Google Scholar
2. Ibrahim, RW, Baleanu, D On a new linear operator formulated by Airy functions in the open unit disk. Adv Differ Equ 2021, 366 (2021). https://doi.org/10.1186/s13662-021-03527-1.Search in Google Scholar
3. Kumar, A, Sharma, H, Gaur, N, Gour, N. PAPR analysis of 5G and B5G waveforms using advanced PAPR algorithms. IT Professional 2024;26:17–21. https://doi.org/10.1109/MITP.2024.3405824.Search in Google Scholar
4. Kumar, A, Yaminiand, KAP, Kaliaperumal, K, Alsowail, RA, Gaur, N. A systematic PAPR analysis of optical 5G waveforms using advanced and deep learning PAPR algorithms: estimation of PAPR, PSD, and BER. Wirel Netw 2025;31:1861–83. https://doi.org/10.1007/s11276-024-03835-w.Search in Google Scholar
5. Taşpınar, N, Alhalabi, M. Peak-to-average power Ratio (PAPR) reduction using discrete invasive weed optimization (DIWO) in coherent detection optical OFDM (CO-OFDM) communication systems. Wirel Pers Commun 2024;139:715–32. https://doi.org/10.1007/s11277-024-11645-8.Search in Google Scholar
6. Kumar, A, Nanthaamornphong, A, Alsharif, MH, Masud, M. SIC based RL for massive MIMO NOMA signal detection for different modulation schemes under diverse channel conditions. Sci Rep 2025;15:24641. https://doi.org/10.1038/s41598-025-06492-x.Search in Google Scholar PubMed PubMed Central
7. Taspınar, N, Alhalabi, M. Performance investigation of long-haul high data rate optical OFDM IM/DD system with different QAM modulations. J Electr Eng 2021;72. https://doi.org/10.2478/jee-2021-0026.Search in Google Scholar
8. Kumar, A, Nanthaamornphong, A, Gaur, N. Optimizing PAPR performance for 6G OTFS waveform using adaptive genetic PTS method for Rician fading channels. EURASIP J Appl Signal Process 2025;2025:22. https://doi.org/10.1186/s13634-025-01234-7.Search in Google Scholar
9. Ramazan, M, Amca, H, Rizaner, A, Ulusoy, AH. A novel µ-law nonlinear companding with modified recoverable upper clipping method for PAPR reduction in ACO-OFDM VLC systems. Optik 2023;282. https://doi.org/10.1016/j.ijleo.2023.170890.Search in Google Scholar
10. Ding, Z. A study on the optimality of downlink hybrid NOMA. IEEE Signal Process Lett 2025;32:511–15. https://doi.org/10.1109/LSP.2024.3524096/.Search in Google Scholar
11. Kumar, A, Chandrashekhara, KT, Radhakrishnan, P, Nanthaamornphong, A. Efficient hybrid signal detection for optical NOMA with 512-QAM in visible light communication. J Opt Commun 2025;2025:1–9. https://doi.org/10.1515/joc-2025-0136.Search in Google Scholar
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