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

P. A. Haigh, S. T. Le, S. Zvanovec, Z. Ghassemlooy, P. Luo, T. Xu, P. Chvojka, T. Kanesan, E. Giacoumidis, P. Canyelles-Pericas, H. Le Minh, W. Popoola, Sujan Rajbhandari, I. Papakonstantinou, I. Darwazeh

    Research output: Contribution to journalArticle

    76 Citations (Scopus)
    180 Downloads (Pure)


    Email Print Request Permissions 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
    Issue number2
    Publication statusPublished - Apr 2015

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    • OFDM modulation
    • amplitude modulation
    • data communication
    • light emitting diodes
    • optical communication
    • optical modulation
    • phase modulation
    • LED devices
    • VLC domain
    • VLC systems
    • bandlimited systems
    • broadcasting technologies
    • data communications
    • electromagnetic spectrum
    • m-CAP
    • modulation formats
    • modulation scheme
    • multiband carrierless amplitude modulation
    • next generation transmission technologies
    • optical power
    • orthogonal frequency-division multiplexing
    • spectral usage
    • transmission speeds
    • visible light communications systems
    • Bandwidth
    • Bit error rate
    • Finite impulse response filters
    • Fluorescence
    • Light emitting diodes
    • Lighting
    • Modulation
    • OFDM
    • Optical devices
    • Receivers


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