Lookup NU author(s): Dr Paul Haigh
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© 2015 IEEE. In this paper we present new numerical results for the signal-to-noise ratio and bit error rate (BER) performances of multi-band carrier-less amplitude and phase (m-CAP) modulation in the context of a highly bandlimited visible light communications (VLC) link. Light-emitting diodes are used as the transmitter and are modelled in this work as an ideal first order analogue low-pass filter. The link bandwidth is given as unity, while the filter cut-off frequency is set to 0.1. The number of bands, or subcarriers, is selected as m = 1, 2, 5 and 10. Here, we show that under such a high bandwidth constraint, using m = 10 subcarriers can result in 40% and 17% improvement in bit rate compared to m = 1 and 2, and m = 5 subcarriers, respectively for the same BER target.
Author(s): Haigh PA, Aguado A, Ghassemlooy Z, Chvojka P, Werfli K, Zvanovec S, Ertunc E, Kanesan T
Publication type: Conference Proceedings (inc. Abstract)
Publication status: Published
Conference Name: International Conference on Wireless Communications and Signal Processing (WCSP 2015)
Year of Conference: 2015
Online publication date: 03/12/2015
Acceptance date: 01/01/1900
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