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A Multi-CAP Visible-Light Communications System with 4.85-b/s/Hz Spectral Efficiency

Lookup NU author(s): Dr Paul Haigh

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Abstract

© 1983-2012 IEEE. In this paper, we experimentally demonstrate a multiband carrierless amplitude and phase modulation format for the first time in VLC. We split a conventional carrierless amplitude and phase modulated signal into m subcarriers in order to protect from the attenuation experienced at high frequencies in low-pass VLC systems. We investigate the relationship between throughput/spectral efficiency and m, where m = {10, 8, 6, 4, 2, 1} subcarriers over a fixed total signal bandwidth of 6.5 MHz. We show that transmission speeds (spectral efficiencies) of 31.53 (4.85), 30.88 (4.75), 25.40 (3.90), 23.65 (3.60), 15.78 (2.40), and 9.04 (1.40) Mb/s (b/s/Hz) can be achieved for the listed values of m, respectively.


Publication metadata

Author(s): Haigh PA, Burton A, Werfli K, Minh HL, Bentley E, Chvojka P, Popoola WO, Papakonstantinou I, Zvanovec S

Publication type: Article

Publication status: Published

Journal: IEEE Journal on Selected Areas in Communications

Year: 2015

Volume: 33

Issue: 9

Pages: 1771-1779

Print publication date: 01/09/2015

Online publication date: 25/05/2015

Acceptance date: 02/04/2015

ISSN (print): 0733-8716

ISSN (electronic): 1558-0008

Publisher: IEEE

URL: https://doi.org/10.1109/JSAC.2015.2433053

DOI: 10.1109/JSAC.2015.2433053


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