A fine-grained visible light communication position detection system

M Vieira, MA Vieira, P Louro, A Fantoni… - Sensors & …, 2017 - search.proquest.com
An indoor positioning system where trichromatic white Light Emitting Diodes (LEDs) are
used both for illumination proposes and as transmitters and an optical processor, based on …

Visible light communication technology for fine-grained indoor localization

M Vieira, MA Vieira, P Louro, A Fantoni… - Optical Interconnects …, 2018 - spiedigitallibrary.org
This paper focuses on designing and analysing a visible light based communication and
positioning system. The indoor positioning system uses trichromatic white Light Emitting …

Light-emitting diodes aided indoor localization using visible light communication technology

M Vieira, MA Vieira, P Louro, P Vieira - Optical Engineering, 2018 - spiedigitallibrary.org
This paper focuses on designing and analyzing a visible light-based communication and
positioning system for indoor wireless communication under light-emitting diodes (LEDs) …

Visible light communication and indoor positioning using a-SiCH device as receiver

MA Vieira, M Vieira, P Louro, P Vieira… - … on Applications of …, 2017 - spiedigitallibrary.org
An indoor positioning system were trichromatic white LEDs are used both for illumination
proposes and as transmitters and an optical processor, based on a-SiC: H technology, as …

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 …

Light-fidelity (Li-Fi) optical sensing and detection in large indoor environements

M Vieira, MA Vieira, P Louro, A Fantoni… - … 2018–The Ninth …, 2018 - repositorio.ipl.pt
In this work, a Light Emitting Diode (LED) assisted navigation system for large environments
is presented. The LEDs are used both for room illumination purposes and as transmitters if …

Geolocation and wayfinding services using visible light communication

M Vieira, MA Vieira, P Louro, P Vieira - Sensors & Transducers, 2020 - repositorio.ipl.pt
This paper investigates the applicability of an intuitive wayfinding system in complex
buildings using Visible Light Communication (VLC). Typical scenarios include finding …

Indoors geolocation based on visible light communication

P Louro, M Vieira, MA Vieira - Sensors & Transducers, 2020 - repositorio.ipl.pt
This paper presents the use of a selective device based on a-SiC: H/a-Si: H for the
photodetection of visible signals emitted by red, green and blue emitters in a Visible Light …

Indoor positioning system using a WDM device based on a-SiC: H technology

MA Vieira, M Vieira, P Louro, L Mateus, P Vieira - Journal of Luminescence, 2017 - Elsevier
In this paper, we present an indoor positioning system were trichromatic white LEDs are
used as transmitters and an optical processor based on a-SiC: H technology as mobile …

Geolocation and communication in unfamiliar indoor environments through visible light

M Vieira, MA Vieira, P Louro… - … and Applications XXV, 2021 - spiedigitallibrary.org
To support people's wayfinding activities in unfamiliar indoor environments, a method able
to generate ceiling landmark route instructions using Visible Light Communication (VLC) is …