PassiveVLP: Leveraging Smart Lights for Passive Positioning

Journal article (2020)

Authors

Weizheng Wang Embedded Systems - EEMCS
Q. Wang Embedded Systems - EEMCS
J. Zhang Electrical Engineering, Mathematics and Computer Science
Marco Zuniga Embedded Systems - EEMCS
Research Group
Embedded Systems (EEMCS) (TU Delft)
Copyright: © 2020 Weizheng Wang, Q. Wang, J. Zhang, Marco Zuniga
DOI
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https://doi.org/10.1145/3362123
Evaluation Passive Implementation System design Visible light communication (VLC) Visible light positioning (VLP) Reflection of light
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Published Date

2020

Language

English

Reuse Rights

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Software Technology

Research Group

Embedded Systems

Abstract

Positioning based on visible light is gaining significant attention. But most existing studies rely on a key requirement: The object of interest needs to carry an optical receiver (camera or photodiode). We remove this requirement and investigate the possibility of achieving accurate positioning in a passive manner—that is, without requiring objects to carry any optical receiver. To achieve this goal, we propose PassiveVLP, in which we exploit the reflective surfaces of objects and the unique propagation properties of LED luminaires. We present geometric models, a testbed implementation, and empirical evaluations to showcase the opportunities and challenges posed by this new type of passive positioning. Overall, we show that our PassiveVLP can track with high accuracy (a few centimeters) a subset of an object’s trajectory, and it can also identify passively the object’s ID.