Unleashing the Power of LED-to-Camera Communications for IoT Devices

Alexis Duque 1, 2 Razvan Stanica 1 Hervé Rivano 1 Adrien Desportes 2
1 URBANET - Réseaux capillaires urbains
CITI - CITI Centre of Innovation in Telecommunications and Integration of services, Inria Grenoble - Rhône-Alpes
Abstract : In this paper, we propose a line of sight LED-to-camera communication system based on a small color LED and a smartphone. We design a cheap prototype as proof of concept of a near communication framework for the Internet of Things. We evaluate the system performance, its reliability and the environment influence on the LED-to-camera communication, highlighting that a throughput of a few kilobits per second is reachable. Finally, we design a real time, efficient LED detection and image processing algorithm to leverage the specific issues encountered in the system.
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Alexis Duque, Razvan Stanica, Hervé Rivano, Adrien Desportes. Unleashing the Power of LED-to-Camera Communications for IoT Devices. VLCS 2016 - ACM 3rd International Workshop on Visible Light Communication Systems , Oct 2016, New York, United States. ⟨10.1145/2981548.2981555⟩. ⟨hal-01351146⟩

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