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Visible Light Communications: Simplified Co-Equalisation of Fast OFDM in a Multiple-Input Multiple-Output Configuration

Lookup NU author(s): Dr Paul Haigh

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Abstract

© 2019 IEEE.In this paper we experimentally demonstrate, for the first time, a simplified co-equalisation for imaging multiple-input multiple-output based visible light communication systems. We show that in such systems, where all channels have similar magnitude responses, an equaliser trained on a single channel produces coefficients that may be used in the form of a look-up table to equalise the remaining channels without the need for explicit or bespoke training. The system demonstrated is based on the fast-orthogonal frequency division multiplexing based on pulse amplitude modulation scheme to improve the spectral efficiency, where a data rate of 80 Mb/s is achieved using four light-emitting diodes, each of a 4 MHz raw bandwidth. We show that the reported system performance closely matches that of the traditional and more computationally complex system in terms of bit-error rate.


Publication metadata

Author(s): Haigh PA, Burton A, Ghassemlooy Z, Darwazeh I

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 26th International Conference on Telecommunications, ICT 2019

Year of Conference: 2019

Pages: 46-50

Online publication date: 15/08/2019

Acceptance date: 02/04/2016

Publisher: Institute of Electrical and Electronics Engineers Inc.

URL: https://doi.org/10.1109/ICT.2019.8798821

DOI: 10.1109/ICT.2019.8798821

Library holdings: Search Newcastle University Library for this item

ISBN: 9781728102733


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