Results 31 to 40 of about 399,468 (278)
Research on integrated communication and positioning technology based on visible light
Dianxin kexue, 2023 Visible light wireless technology transmits information through visible light, utilizing light-emitting diode (LED) light sources to achieve communication and positioning while illuminating.Visible light communication positioning integration (VLCP ...
Wei WANG +3 more
doaj +2 more sources
Scalable Visible Light Indoor Positioning System Using RSS
Mathematics, 2022 This paper proposes a visible light positioning system that utilizes commercial Light-Emitting Diode (LED) lamps as transmitters and Silicon PIN photodiodes as receivers.
Carlos M. Avendaño-Lopez +5 more
doaj +1 more source
Experimental Demonstration of an Indoor VLC Positioning System Based on OFDMA [PDF]
, 2017 We propose an indoor visible light communication (VLC) and positioning system using the orthogonal frequency division multiplexing access (OFDMA) scheme, which can provide both indoor positioning and communications.
Ghassemlooy, Zabih +4 more
core +1 more source
A Low Complexity Indoor Visible Light Positioning Method
IEEE Access, 2021 The continuous positioning of a mobile user equipment (MU) in a prompt way is a fundamental requirement in several indoor applications related to ubiquitous computation, assisted living environments, and security/surveillance systems.
Aristeidis-Chrysovalantis Anastou +5 more
doaj +1 more source
Monte Carlo algorithm for the evaluation of the distance estimation variance in RSS-based visible light positioning [PDF]
, 2017 In this work, the Monte Carlo algorithm to determine the variance on the distance estimation in Received Signal Strength-based visible light positioning is considered.
De Strycker, Lieven +2 more
core +1 more source
Angle diversity to increase coverage and position accuracy in 3D visible light positioning [PDF]
, 2019 The most common approach to light-based indoor positioning relies on multilateration of received signals to the mobile device. Any deficiencies in the fidelity of these light signals can significantly distort position estimates. In this paper, we propose
Lam, Emily W., Little, Thomas D.C.
core +1 more source
IEEE Photonics Journal, 2020 We put forward and experimentally demonstrate a second order machine-learning (ML) based visible-light-positioning (VLP) system using simple linear interpolation algorithm to reduce the training samples required in the ML algorithm.
Yu-Chun Wu +8 more
doaj +1 more source
Generalised photon sieves: fine control of complex fields with simple pinhole arrays [PDF]
, 2015 Spatial shaping of light beams has led to numerous new applications in fields such as imaging, optical communication, and micromanipulation. However, structured radiation is less well explored beyond visible optics, where methods for shaping fields are ...
Li, F. +3 more
core +1 more source
An analysis of the impact of LED tilt on visible light positioning accuracy [PDF]
, 2019 Whereas the impact of photodiode noise and reflections is heavily studied in Visible Light Positioning (VLP), an often underestimated deterioration of VLP accuracy is caused by tilt of the Light Emitting Diodes (LEDs).
Bastiaens, Sander +3 more
core +1 more source
Optical boundaries for LED-based indoor positioning system [PDF]
, 2019 Overlap of footprints of light emitting diodes (LEDs) increases the positioning accuracy of wearable LED indoor positioning systems (IPS) but such an approach assumes that the footprint boundaries are defined.
Popoola, Olaoluwa Rotimi +3 more
core +4 more sources