Multi-band carrier-less amplitude and phase modulation for bandlimited visible light communications systems

Paul Haigh, Son Thai Le, Stanislav Zvanovec, Zabih Ghassemlooy, Pengfei Luo, Tongyang Xu, Petr Chvojka, Thavamaran Kanesan, Elias Giacoumidis, Pep Canyelles-Pericas, Hoa Le Minh, Wasiu Oyewole Popoola, Sujan Rajbhandari, Ioannis Papakonstantinou, Izzat Darwazeh

Research output: Contribution to journalArticlepeer-review

60 Citations (Scopus)

Abstract

Visible light communications is a technology with enormous potential for a wide range of applications within next generation transmission and broadcasting technologies. VLC offers simultaneous illumination and data communications by intensity modulating the optical power emitted by LEDs operating in the visible range of the electromagnetic spectrum (~370-780 nm). The major challenge in VLC systems to date has been in improving transmission speeds, considering the low bandwidths available with commercial LED devices. Thus, to improve the spectral usage, the research community has increasingly turned to advanced modulation formats such as orthogonal frequency-division multiplexing. In this article we introduce a new modulation scheme into the VLC domain; multiband carrier-less amplitude and phase modulation (m-CAP) and describe in detail its performance within the context of bandlimited systems.
Original languageEnglish
Pages (from-to)46-53
JournalIEEE Wireless Communications
Volume22
Issue number2
DOIs
Publication statusPublished - Apr 2015

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