KEYWORDS: Light emitting diodes, Detection and tracking algorithms, Signal to noise ratio, Visible radiation, 3D acquisition, Telecommunications, Interference (communication), Optical engineering, Receivers, LED lighting
We propose an indoor positioning system with visible light communication (VLC) technology, which employs a dimensionality reduction (DR) algorithm based on the received signal intensity, to eliminate the dead zone of positioning. Simulations are conducted for five altitude levels with dimensions of 5 m × 5 m × 4 m to verify the performance of the proposed DR algorithm. The result shows that subcentimeter accuracy in positioning can be obtained at five levels in three-dimensional space and that there exists no dead zone. Good robustness against the signal-to-noise ratio, space size, and transmission power is also verified via extensive tests.
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