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12 May 2016 Building occupant and asset localization and tracking using visible light communication
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This research demonstrates how inexpensive commercial off-the-shelf lighting components and microcontrollers can be used to construct a solution for occupant and asset localization and tracking through visible light communication (VLC). Through the modulation of the emitted light from networked LED luminaires, the location of a receiver can be determined. This paper describes the implementation of the VLC enabled LED luminaires, in addition to the infrared synchronization protocol, which enabled inexpensive white LEDs to be time division multiplexed to avoid packet collisions. Luminaires use token message passing to regulate packet transmission. Physical construction of these luminaires is discussed in addition to the simulated performance of this system.
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Kofi Nyarko, Christian Emiyah, and Samuel Mbugua "Building occupant and asset localization and tracking using visible light communication", Proc. SPIE 9844, Automatic Target Recognition XXVI, 98440B (12 May 2016);

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