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Designs 2018, 2(4), 49; https://doi.org/10.3390/designs2040049

Integrated Light Sensing and Communication for LED Lighting

Department of Electronics and Telecommunications (DET), Politecnico di Torino, I10129 Torino, Italy
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Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Received: 4 October 2018 / Revised: 11 November 2018 / Accepted: 19 November 2018 / Published: 22 November 2018
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Abstract

Solid state lighting is nowadays widely diffused both in residential and office or industrial environment. Ambient light sensing to modulate lamp power is typical too, but sensors inside a lamp are a challenge, due to the high flux of these sources, which easily saturates nearby light detectors. Usually, separate sensing devices must be introduced in the system, thus increasing complexity and cost. In this work, a methodology will be presented, to allow integration of a light sensing device inside a lamp, using low cost circuitry to mitigate interactions between high power light-emitting diode (LED) sources and sensing photodiodes. Moreover, the same circuit allows visual light communication among sources. View Full-Text
Keywords: LED; Ambient Light Sensing (ALS); Visual Light Communication (VLC); Internet of Things (IoT); sensing LED; Ambient Light Sensing (ALS); Visual Light Communication (VLC); Internet of Things (IoT); sensing
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Ruo Roch, M.; Martina, M. Integrated Light Sensing and Communication for LED Lighting. Designs 2018, 2, 49.

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