ALiSA: A Visible-Light Positioning System Using the Ambient Light Sensor Assembly in a Smartphone

Takuto Sato,Shota Shimada,Hiroaki Murakami,Hiroki Watanabe,Hiromichi Hashizume,Masanori Sugimoto

IEEE Sensors Journal（2022）

引用 10|浏览7

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摘要

In this paper, we describe a visible-light positioning system that uses the ambient-light sensor assembly in a smartphone as a receiver for illumination signals from LED-based room lighting. After correcting for missing or inconsistently sampled data captured by the receiver, we can identify the source LEDs contributing to the received signal via Fourier analysis of its frequency distribution. Loc...

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关键词

Light emitting diodes,Sensors,Frequency modulation,Time-frequency analysis,Location awareness,Frequency response,Nonuniform sampling

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