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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
  • Coventry University

Research output: Contribution to journalArticlepeer-review

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
JournalJournal of Lightwave Technology
Volume35
Issue number20
DOIs
Publication statusPublished - 15 Oct 2017
Externally publishedYes

Keywords

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

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