Positioning and space-division multiple access enabled by structured illumination with light-emitting diodes

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Abstract

Self-location of devices in an illuminated area can be realized using light-emitting diode array luminaires with integrated electronic smart control. These smart lighting sources project a rapidly displayed time sequence of spatial illumination patterns onto the scene, which enables positioning on a millisecond timescale. We demonstrate a prototype system based on a CMOS-driven 16×16 array of GaN light-emitting diodes and its application to space-division multiple access in a Gb/s optical wireless network.
Original languageEnglish
Pages (from-to)2339-2345
Number of pages7
JournalJournal of Lightwave Technology
Volume35
Issue number2
Early online date22 Feb 2017
DOIs
Publication statusE-pub ahead of print - 22 Feb 2017

Keywords

  • light-emitting diodes (LEDs)
  • localization
  • wireless optical
  • position measurement
  • navigation
  • space-division multiple access

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