Positioning and data broadcasting using illumination pattern sequences displayed by LED arrays

Research output: Contribution to journalArticle

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34 Downloads (Pure)

Abstract

Illumination of a scene with a time-sequence of spatial light patterns enables clients within the scene to navigate, receive broadcast wireless data, or make subsequent space-division multiple access connections to a high bandwidth wireless system. We have developed dedicated binary pattern sequences, for use with arrays of light-emitting diodes (LEDs), which are projected on the area of interest. The LED arrays can be in either active-matrix or matrix-addressable format. The properties of the different sequences are compared theoretically and experimentally, highlighting a trade-off between position update rate and resilience against pixel cross-talk and interference.
Original languageEnglish
Pages (from-to)5582 - 5592
Number of pages11
JournalIEEE Transactions on Communications
Volume66
Issue number11
Early online date28 Jun 2018
DOIs
Publication statusPublished - 30 Nov 2018

Keywords

  • light-emitting diodes (LEDs)
  • localization
  • wireless optical
  • position measurement
  • navigation

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