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

Herrnsdorf, Johannes and Strain, Michael J. and Gu, Erdan and Henderson, Robert K. and Dawson, Martin D. (2017) Positioning and space-division multiple access enabled by structured illumination with light-emitting diodes. Journal of Lightwave Technology, 35 (2). pp. 2339-2345. ISSN 0733-8724 (https://doi.org/10.1109/JLT.2017.2672864)

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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.

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