Results 11 to 20 of about 399,468 (278)

A Low-Cost Visible Light Positioning System for Indoor Positioning [PDF]

open access: yesSensors, 2020
Currently, a high percentage of the world’s population lives in urban areas, and this proportion will increase in the coming decades. In this context, indoor positioning systems (IPSs) have been a topic of great interest for researchers.
Juan Carlos Torres   +7 more
doaj   +7 more sources

Automating the Calibration of Visible Light Positioning Systems [PDF]

open access: yesSensors, 2022
Visible light positioning is one of the most popular technologies used for indoor positioning research. Like many other technologies, a calibration procedure is required before the system can be used.
Robin Amsters   +4 more
doaj   +6 more sources

A Comprehensive Study on Light Signals of Opportunity for Subdecimetre Unmodulated Visible Light Positioning [PDF]

open access: yesSensors, 2020
Currently, visible light positioning (VLP) enabling an illumination infrastructure requires a costly retrofit. Intensity modulation systems not only necessitate changes to the internal LED driving module, but decrease the LEDs’ radiant flux as well. This
Sander Bastiaens   +4 more
doaj   +2 more sources

Visible Light Positioning via Floor Reflections [PDF]

open access: yesIEEE Access, 2019
The last two decades have witnessed significant advances in the field of indoor positioning systems, which have led to technologies with high location precision.
Fan Yang   +5 more
doaj   +2 more sources

Visible light communications-based indoor positioning via compressed sensing [PDF]

open access: yesIEEE Communications Letters, 2018
This paper presents an approach for visible light communication-based indoor positioning using compressed sensing. We consider a large number of light emitting diodes (LEDs) simultaneously transmitting their positional information and a user device ...
Ajmani, Manisha   +3 more
core   +5 more sources

A Survey of Positioning Systems Using Visible LED Lights [PDF]

open access: yesIEEE Communications Surveys and Tutorials, 2018
© 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new ...
Cao, Pan   +8 more
core   +6 more sources

Demonstration of Three-Dimensional Indoor Visible Light Positioning with Multiple Photodiodes and Reinforcement Learning [PDF]

open access: yesSensors, 2020
To provide high-quality location-based services in the era of the Internet of Things, visible light positioning (VLP) is considered a promising technology for indoor positioning.
Zhuo Zhang   +5 more
doaj   +2 more sources

Indoor Real-Time 3-D Visible Light Positioning System Using Fingerprinting and Extreme Learning Machine

open access: yesIEEE Access, 2020
Photodiode-based (PD-based) visible light positioning (VLP) has become a research focus of indoor positioning technology, while the existing VLP models rarely consider the anti-interference and positioning time of that.
Yirong Chen   +3 more
doaj   +3 more sources

Angle-of-Arrival (AOA) Visible Light Positioning (VLP) System Using Solar Cells With Third-Order Regression and Ridge Regression Algorithms

open access: yesIEEE Photonics Journal, 2020
We put forward and demonstrate a angle-of-arrival (AOA) based visible-light-positioning (VLP) system using quadrant-solar-cell (QSC) and third-order ridge regression machine learning (RRML) to improve the positioning accuracy.
Chong-You Hong   +9 more
doaj   +3 more sources

Image Sensor-Based Three-Dimensional Visible Light Positioning for Various Environments [PDF]

open access: yesSensors
Research on image sensor (IS)-based visible light positioning systems has attracted widespread attention. However, when the receiver is tilted or under a single LED, the positioning system can only achieve two-dimensional (2D) positioning and requires ...
Xiangyu Liu   +3 more
doaj   +2 more sources

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