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Photonics
Volume 11
Issue 7
10.3390/photonics11070643
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

Clipping Noise in Visible Light Communication Systems with OFDM and PAPR Reduction

by
Hussien Alrakah
1,2,*,
Mohamad Hijazi
1,
Sinan Sinanovic
3 and
Wasiu Popoola
1
1
Institute for Imaging, Data and Communication (IDCOM), School of Engineering, The University of Edinburgh, Edinburgh EH9 3BF, UK
2
College of Engineering and Computer Science, Jazan University, Jazan 45142, Saudi Arabia
3
School of Engineering and Built Environment, Glasgow Caledonian University, Glasgow G4 0BA, UK
*
Author to whom correspondence should be addressed.
Photonics 2024, 11(7), 643; https://doi.org/10.3390/photonics11070643
Submission received: 16 February 2023 / Revised: 27 June 2024 / Accepted: 28 June 2024 / Published: 6 July 2024
(This article belongs to the Special Issue Challenges and Opportunities in Optical and Wireless Communication Networks)
Versions Notes

Abstract

This paper presents an analytical study of signal clipping that leads to the noise/distortion in the waveform of DC-biased optical orthogonal frequency division multiplexing (DCO-OFDM)-based visible light communication (VLC) systems. The pilot-assisted (PA) technique is used to reduce the high peak-to-average power ratio (PAPR) of the time-domain waveform of the DCO-OFDM system. The bit error rate (BER) performance of the PA DCO-OFDM system is investigated analytically at three different clipping levels as well as without any clipping. The analytical BER performance is verified through simulation and then compared to that of the conventional DCO-OFDM without PAPR reduction at the selected clipping levels. The PA DCO-OFDM system shows improved BER performance at all three clipping levels.
Keywords: optical wireless communication; visible light communication; optical OFDM; DCO-OFDM; peak-to-average power ratio (PAPR); pilot assisted (PA); clipping noise optical wireless communication; visible light communication; optical OFDM; DCO-OFDM; peak-to-average power ratio (PAPR); pilot assisted (PA); clipping noise

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MDPI and ACS Style

Alrakah, H.; Hijazi, M.; Sinanovic, S.; Popoola, W. Clipping Noise in Visible Light Communication Systems with OFDM and PAPR Reduction. Photonics 2024, 11, 643. https://doi.org/10.3390/photonics11070643

AMA Style

Alrakah H, Hijazi M, Sinanovic S, Popoola W. Clipping Noise in Visible Light Communication Systems with OFDM and PAPR Reduction. Photonics. 2024; 11(7):643. https://doi.org/10.3390/photonics11070643

Chicago/Turabian Style

Alrakah, Hussien, Mohamad Hijazi, Sinan Sinanovic, and Wasiu Popoola. 2024. "Clipping Noise in Visible Light Communication Systems with OFDM and PAPR Reduction" Photonics 11, no. 7: 643. https://doi.org/10.3390/photonics11070643

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