A Multi-Gigabit/sec Integrated Multiple Input Multiple Output VLC Demonstrator

Sujan Rajbhandari, Aravind V. N. Jalajakumari, Hyunchae Chun, Grahame Faulkner, Katherine Cameron, Robert Henderson, Dobroslav Tsonev, Harald Haas, Enyuan Xie, Jonathan J. D. McKendry, Johannes Herrnsdorf, Ricardo Ferreira, Erdan Gu, Martin D. Dawson, Dominic O’Brien

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    44 Citations (Scopus)
    141 Downloads (Pure)

    Abstract

    In this paper, we report the performance of an imaging multiple input multiple output (MIMO) visible light communication (VLC) system. The VLC transmitter consists of a two-dimensional, individually addressable Gallium Nitride micro light emitting diode (µLED) array. The receiver uses a two-dimensional avalanche photodiode (APD) array fabricated using complementary metal oxide semiconductor (CMOS). Using integrated CMOS-based LED drivers, a data rate greater than 1 Gbps was obtained at a link distance of 1 m with the system field of view (FOV) of 3.45 degree using four channels. At a reduced link distance of 0.5 m, a data rate of 7.48 Gbps was obtained using a nine channel MIMO system. This demonstrates the feasibility of compact MIMO systems which offer substantial data rates.
    Original languageEnglish
    Pages (from-to)4358 - 4365
    Number of pages7
    JournalJournal of Lightwave Technology
    Volume35
    Issue number20
    Early online date17 Apr 2017
    DOIs
    Publication statusPublished - 15 Oct 2017

    Bibliographical note

    (c) 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.

    Keywords

    • Visible light communications
    • multiple input multiple output
    • VLC demonstrator
    • integrated VLC

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