Lookup NU author(s): Dr Paul Haigh
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IEEEIn this article, we experimentally demonstrate a novel expanded nonorthogonal multiband super-Nyquist carrier-less amplitude and phase (m-ESCAP) modulation for bandlimited organic visible light communication (VLC) systems. The proposed scheme has the same bandwidth requirement as the conventional m-CAP while breaking the orthogonality between subcarriers by purposely overlapping them. We compare m-ESCAP with the conventional m-CAP and a compressed nonorthogonal version of m-CAP (m-SCAP) in terms of measured bit error rate (BER) performance, bit rates, and spectral efficiencies. We show that the m-ESCAP system offers improvement in the bit rate of $\sim$10% and 20% compared to the m-CAP and m-SCAP, respectively, and in the spectral efficiency of $\sim$20% compared to m-CAP. These gains are achieved at the cost of increased BER, which, however, remains below the 7% forward error correction limit.
Author(s): Chvojka P, Ghassemlooy Z, Cacialli F, Darwazeh I, Zvanovec S, Haigh PA, Minotto A, Burton A, Murto P, Genene Z, Mammo W, Andersson MR, Wang E
Publication type: Article
Publication status: Published
Journal: IEEE Systems Journal
Pages: epub ahead of print
Online publication date: 19/09/2019
Acceptance date: 02/04/2016
ISSN (print): 1932-8184
ISSN (electronic): 1937-9234
Publisher: Institute of Electrical and Electronics Engineers Inc.
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