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Duobinary Modulation for Visible Light Communications

Lookup NU author(s): Dr Paul Haigh

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Abstract

© 2019 IEEE.The paper proposes and experimentally investigates the performance of the duobinary transmission technique for a highly bandlimited VLC system. By adding a controlled amount of inter-symbol interference (ISI) into the transmitted signals through the use of pulse shaping filters, data rate can be doubled within the same signal bandwidth. To gain full insight into duobinary signalling, the so-called modified binary scheme is also tested. Bit error rate (BER) performance of both systems is measured for a range of data rates and compared to BERs for ideal binary and traditional on-off keying non-return to zero (OOK-NRZ) formats, across the same physical link. We show the duobinary system can support higher bit rates and lower BER than OOK-NRZ while requiring half the bandwidth of the binary scheme.


Publication metadata

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

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 2019 European Conference on Networks and Communications, EuCNC 2019

Year of Conference: 2019

Pages: 52-56

Online publication date: 15/08/2019

Acceptance date: 02/04/2004

Publisher: Institute of Electrical and Electronics Engineers Inc.

URL: https://doi.org/10.1109/EuCNC.2019.8801992

DOI: 10.1109/EuCNC.2019.8801992

Library holdings: Search Newcastle University Library for this item

ISBN: 9781728105468


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