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Evaluation of multi-band carrier-less amplitude and phase modulation performance for VLC under various pulse shaping filter parameters

Lookup NU author(s): Dr Paul HaighORCiD


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Copyright © 2016 by SCITEPRESS - Science and Technology Publications, Lda. All rights reserved. In multi-band carrier-less amplitude and phase modulation (m-CAP), the transmitter and receiver pulse shaping filters have a significant impact on the signal performance. Since m-CAP is an emerging and promising modulation format for visible light communications (VLC), it is necessary to balance the system performance and the filter length, due to limited integration density in field programmable gate arrays (FPGAS). In this paper we investigate the m-CAP VLC system performance for different number of sub-bands m = {2, 5, 10} under varying finite impulse response (FIR) filter parameters, such as the filter length Lf and the roll-off factor β. We show that increasing both β and Lf improves the bit error rate (BER) performance of the system substantially. We demonstrate that a BER target of 10-4 is achieved using Lf ≤ 12 symbols for m = 5 and 10 for low order subcarriers. Moreover, the BER limit is attained for β = 0.2 by all subcarriers, except the last two for m = 5 and 10, which is a significant improvement, even considering the slightly increased excess bandwidth in comparison to the literature.

Publication metadata

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

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: Proceedings of the 13th International Joint Conference on e-Business and Telecommunications (ICETE 2016)

Year of Conference: 2016

Pages: 25-31

Online publication date: 26/07/2016

Acceptance date: 02/04/2016

Publisher: SciTePress


DOI: 10.5220/0005956900250031

Library holdings: Search Newcastle University Library for this item

ISBN: 9789897581960