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In this paper, we propose a novel clock calibration approach called FLIGHT, which leverages the fact that the fluorescent light intensity changes with a stable period that equals half of the alternating current’s. By tuning to the light emitted from indoor fluorescent lamps, FLIGHT can intelligently extract the light period information and achieve network wide time calibration by referring to such...
In this demo, we demonstrate the usage of fluorescent lighting for temporal and spatial designs. The design leverages the fact that the fluorescent light intensity changes with a stable period, which can serve as both a global time reference and an indoor environment indicator. In the temporal domain, we focus on achieving a consistent time among different nodes without communications. In the spatial...
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