Optical signal processing for indoor positioning using a-SiCH technology

MA Vieira, M Vieira, P Louro, V Silva… - Optical …, 2016 - spiedigitallibrary.org
We use the nonlinear property of silicon carbon (SiC) multilayer devices under UV
irradiation to design an optical processor for indoor positioning. The transducer combines …

Experimental demonstration of an indoor positioning system based on artificial neural network

B Lin, Q Guo, C Lin, X Tang, Z Zhou… - Optical …, 2019 - spiedigitallibrary.org
We propose a 2-D visible light positioning system based on the artificial neural network
(ANN), where the light-emitting diodes are grouped into blocks and the block coordinates …

Indoor high precision three-dimensional positioning system based on visible light communication using modified genetic algorithm

H Chen, W Guan, S Li, Y Wu - Optics Communications, 2018 - Elsevier
To improve the precision of indoor positioning and actualize three-dimensional positioning,
a reversed indoor positioning system based on visible light communication (VLC) using …

An indoor visible light positioning system using artificial neural network

C Lin, B Lin, X Tang, Z Zhou, H Zhang… - Asia Communications …, 2018 - opg.optica.org
We propose a visible light positioning system based on an artificial neural network (ANN)
and optical camera communications. The receiver's position is approximately and precisely …

An indoor visible light positioning system based on optical camera communications

B Lin, Z Ghassemlooy, C Lin, X Tang… - IEEE Photonics …, 2017 - ieeexplore.ieee.org
We experimentally demonstrate an indoor visible light positioning system based on optical
camera communications, in which the transmitted coordinate data are spatially separated …

Indoor positioning using a high-speed, fish-eye lens-equipped camera in visible light communication

Y Nakazawa, H Makino, K Nishimori… - International …, 2013 - ieeexplore.ieee.org
We propose a method for determining the indoor position based on a Visible Light
Communication (VLC) system that uses a high-speed fish-eye lens-equipped camera. In …

Fine-grained indoor localization: optical sensing and detection

M Vieira, MA Vieira, P Louro, P Vieira… - Optical Sensing and …, 2018 - spiedigitallibrary.org
A LED-assisted navigation system for large indoor environments is proposed. White LEDs
are used both for illumination purposes and as transmitters. On-off keying modulation …

A novel three-dimensional indoor positioning algorithm design based on visible light communication

W Guan, Y Wu, S Wen, H Chen, C Yang, Y Chen… - Optics …, 2017 - Elsevier
In this paper, a visible light communication based three dimensional indoor positioning
system employing a dedicated algorithm and using the code division multiple access …

Three-dimensional high-precision indoor positioning strategy using Tabu search based on visible light communication

Q Peng, W Guan, Y Wu, Y Cai, C Xie… - Optical …, 2018 - spiedigitallibrary.org
This paper proposes a three-dimensional (3-D) high-precision indoor positioning strategy
using Tabu search based on visible light communication. Tabu search is a powerful global …

Automated alignment system for optical wireless communication systems using image recognition

P Brandl, A Weiss, H Zimmermann - Optics letters, 2014 - opg.optica.org
In this Letter, we describe the realization of a tracked line-of-sight optical wireless
communication system for indoor data distribution. We built a laser-based transmitter with …