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In this paper, we demonstrate a single light-emitting diode (LED) beacon-based 3-D indoor positioning scheme by experiment and theoretical derivation, which can overcome the limitation of multiple LED beacons involved in one positioning process. Only off-the-shelf devices are employed in this scheme, such as an image sensor, a gyroscope, and a photodiode, which have been integrated in most of commercial...
We demonstrate a real-time VLC system using 2ASK-OFDM coding for high-speed communication and communication in positioning simultaneously. The proposed 2ASK-OFDM modulation and demodulation are performed using FPGA and results verify the feasibility of the system.
Indoor positioning using visible light has attracted great attentions in the world. The reported indoor positioning schemes based on visible light are limited by installing multiple LED lamps in the environments. In order to overcome this limitation, we propose a novel indoor positioning system using only one LED lamp, in which a smartphone is used to be receiver to estimate the three-dimension (3-D)...
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