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

Research output: Contribution to journalArticle

  • Sujan Rajbhandari
  • Aravind Venugopalan nair 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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Original languageEnglish
Pages (from-to)4358-4365
Number of pages8
JournalJournal of Lightwave Technology
Volume35
Issue number20
DOIs
Publication statusPublished - 15 Oct 2017

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.

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