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

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

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
Number of pages8
JournalJournal of Lightwave Technology
Volume35
Issue number20
DOIs
Publication statusPublished - 15 Oct 2017

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