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 …

Positioning and advertising in large indoor environments using visible light communication

M Vieira, M Vieira, P Louro, P Vieira - Optical Engineering, 2019 - spiedigitallibrary.org
We investigate the applicability of an intuitive advertising system for large indoor
environments using visible light communication (VLC). This VLC-based positioning system …

Experience: Large Scale Indoor Location-based Service in Libraries

L Ma, R Zhang, X Shi - Adjunct Proceedings of the 2023 ACM …, 2023 - dl.acm.org
This paper presents the experience in the implementation and application of a large-scale
Indoor Location-Based Service (LBS) in an academic library. We deployed an indoor …

Cooperative guidance system for mobile users inside large buildings based on visible light communication

M Vieira, MA Vieira, P Vieira… - … , Sub-Systems, and …, 2023 - spiedigitallibrary.org
Toward supporting people's wayfinding activities, we propose a VLC-based guidance
system for mobile users inside large buildings. A mesh cellular hybrid structure is chosen as …

MUX/DEMUX SiC receiver for visible light communications

M Vieira, MA Vieira, P Louro - Microsystem Technologies, 2020 - Springer
In this paper we present a MUX/DEMUX device based on a multilayer a-SiC: H optical filter
that requires near-ultraviolet steady state optical switches to select desired wavelengths in …

[HTML][HTML] Exploring fast fingerprint construction algorithm for unmodulated visible light indoor localization

C Shi, X Niu, T Li, S Li, C Huang, Q Niu - Sensors, 2020 - mdpi.com
The study of visible light indoor position has received considerable attention. The visible
light indoor position has problems such as deployment difficulty and high cost. In our system …

[PDF][PDF] VLC Based Guidance System to Be Used by Mobile Users Inside Large Buildings.

M Vieira, MA Vieira, P Louro, A Fantoni, P Vieira - 2022 - run.unl.pt
Communication (VLC) based guidance system to be used by mobile users inside large
buildings. This system is composed of several transmitters (ceiling luminaries), which …

[PDF][PDF] Visible Light Communication in Vehicular Communication Applications

MA Vieira, M Vieira, P Louro… - Proceedings of the …, 2022 - novaresearch.unl.pt
This paper addresses the issues related to the Visible Light Communication (VLC) usage in
vehicular communication applications. We propose a Visible Light Communication system …

Enhancing indoor navigation in multi-terminal airports through visible light communication signals

M Vieira, MA Vieira, G Galvão, P Louro… - Optical Sensing and …, 2024 - spiedigitallibrary.org
This paper presents a method for supporting wayfinding in crowded buildings using Visible
Light Communication (VLC). Luminaires are repurposed to transmit encoded messages …

[PDF][PDF] Indoor self-localization and wayfinding services using visible light communication: a model

M Vieira, M Vieira, P Louro, J Rodrigues… - … 2021: The Twelfth …, 2021 - personales.upv.es
Visible Light Communication (VLC) is a promising technology that can jointly be used to
accomplish the typical lighting functionalities of the Light-Emitting Diodes (LEDs) and data …