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Analysis of Nyquist Pulse Shapes for Carrierless Amplitude and Phase Modulation in Visible Light Communications

Lookup NU author(s): Dr Paul HaighORCiD

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This is the authors' accepted manuscript of an article that has been published in its final definitive form by IEEE, 2018.

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Abstract

© 2018 IEEE. This paper proposes and experimentally demonstrates, for the first time, two new candidate pulse shapes for carrierless amplitude and phase modulation in the context of visible light communications. It is commonly accepted that the pulse shape at the heart of the Hilbert pair used to generate the required orthogonal signal spaces should be the square-root raised cosine. In this paper, we introduce two additional candidate pulse shapes, namely the first csv pulse and the so-called better-than-Nyquist pulse. We demonstrate experimentally that the better-than-Nyquist pulse offers superior bit-error rate performance compared to the square-root raised cosine and Xia pulses under additive white Gaussian noise channel conditions, while offering lower computational complexity.

Publication metadata

Author(s): Haigh PA, Chvojka P, Zvanovec S, Ghassemlooy Z, Darwazeh I

Publication type: Article

Publication status: Published

Journal: Journal of Lightwave Technology

Year: 2018

Volume: 36

Issue: 20

Pages: 5023-5029

Print publication date: 15/10/2018

Online publication date: 06/09/2018

Acceptance date: 04/09/2018

Date deposited: 07/03/2019

ISSN (print): 0733-8724

ISSN (electronic): 1558-2213

Publisher: IEEE

URL: https://doi.org/10.1109/JLT.2018.2869022

DOI: 10.1109/JLT.2018.2869022

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