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Hybrid Super-Nyquist CAP Modulation based VLC with Low Bandwidth Polymer LEDs

Lookup NU author(s): Dr Paul HaighORCiD


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© 2019 IEEE.Visible light communication systems often suffer from high frequency attenuation when transmitting out-of-band. This effect has been ameliorated by multi-band modulations such as multi-band carrier-less amplitude and phase (m-CAP), which minimises the effect of decreased high frequency magnitude and maximises signal-to-noise ratio-per-sub-band. On the other hand, in the pass-band region, super-Nyquist CAP (SCAP) can offer throughput improvements with no additional complexity at the receiver, at the cost of bit error rate. We propose, for the first time, a new hybrid SCAP modulation format that takes advantageous of both SCAP (i.e. overlapped sub-bands within the modulation bandwidth) and conventional m-CAP (orthogonally spaced bands outside the modulation bandwidth) while maintaining isolation between noise sources. We show higher baud rates within the passband region whilst supporting out-of-band transmission at lower error vector magnitudes.

Publication metadata

Author(s): Haigh PA, Darwazeh I, Chvojka P, Minotto A, Burton A, Murto P, Wang E, Ghassemlooy Z, Zvanovec S, Cacialli F

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC

Year of Conference: 2019

Online publication date: 21/11/2019

Acceptance date: 02/04/2016

Publisher: Institute of Electrical and Electronics Engineers Inc.


DOI: 10.1109/PIMRC.2019.8904212

Library holdings: Search Newcastle University Library for this item

ISBN: 9781538681107