Undersampled differential phase shift on-off keying for optical camera communications

Niu Liu, Julian Cheng & Jonathan Holzman
OCC (Optical Camera Communication) has been proposed in recent years as a new technique for visible light communications. This paper introduces the implementation and experimental demonstration of an OCC system. Phase uncertainty and phase slipping caused by camera sampling are the two major challenges for OCC. In this paper, we propose a novel modulation scheme called undersampled differential phase shift on–off keying to encode binary data bits without exhibiting any flicker to human eyes. The...
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