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Indoor Visible Light Positioning: Overcoming the Practical Limitations of the Quadrant Angular Diversity Aperture Receiver (QADA) by Using the Two-Stage QADA-Plus Receiver

1
Department of Electrical and Computer Systems Engineering, Faculty of Engineering, Monash University, Wellington Rd, Clayton 3800, Victoria, Australia
2
Department of Mechanical and Aerospace Engineering, Faculty of Engineering, Monash University, Wellington Rd, Clayton 3800, Victoria, Australia
*
Author to whom correspondence should be addressed.
This article is an extended version of our paper published in Cincotta, S.; He, C.; Neild, A.; Armstrong, J. QADA-PLUS: A Novel Two-Stage Receiver for Visible Light Positioning. In Proceedings of the 2018 International Conference on Indoor Positioning and Indoor Navigation (IPIN), Nantes, France, 24–27 September 2018, doi: 10.1109/IPIN.2018.8533733.
Sensors 2019, 19(4), 956; https://doi.org/10.3390/s19040956
Received: 20 December 2018 / Revised: 20 February 2019 / Accepted: 20 February 2019 / Published: 24 February 2019
(This article belongs to the Special Issue Sensor Fusion and Novel Technologies in Positioning and Navigation)
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Abstract

Visible light positioning (VLP), using LED luminaires as beacons, is a promising solution to the growing demand for accurate indoor positioning. In this paper, we introduce a two-stage receiver that has been specifically designed for VLP. This receiver exploits the advantages of two different VLP receiver types: photodiodes and imaging sensors. In this new receiver design a quadrant angular diversity aperture (QADA) receiver is combined with an off-the-shelf camera to form a robust new receiver called QADA-plus. Results are presented for QADA that show the impact of noise and luminaire geometry on angle of arrival estimation accuracy and positioning accuracy. Detailed discussions highlight other potential sources of error for the QADA receiver and explain how the two-stage QADA-plus can overcome these issues. View Full-Text
Keywords: visible light positioning; indoor positioning; angle of arrival; QADA; QADA-plus; quadrant photodiode visible light positioning; indoor positioning; angle of arrival; QADA; QADA-plus; quadrant photodiode
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Cincotta, S.; He, C.; Neild, A.; Armstrong, J. Indoor Visible Light Positioning: Overcoming the Practical Limitations of the Quadrant Angular Diversity Aperture Receiver (QADA) by Using the Two-Stage QADA-Plus Receiver. Sensors 2019, 19, 956.

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