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 …

Optical signal processing for a smart vehicle lighting system using a-SiCH technology

MA Vieira, M Vieira, P Vieira, P Louro - Optical Sensors 2017, 2017 - spiedigitallibrary.org
We propose the use of Visible Light Communication (VLC) for vehicle safety applications,
creating a smart vehicle lighting system that combines the functions of illumination and …

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 …

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) …

Cooperative vehicular communication systems based on visible light communication

MA Vieira, M Vieira, P Louro, P Vieira - Optical Engineering, 2018 - spiedigitallibrary.org
The use of visible light communication (VLC) in vehicular communication systems for vehicle
safety applications is proposed. The system aims to ensure the communication between a …

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 …

Vehicle-to-vehicle and infrastructure-to-vehicle communication in the visible range

MA Vieira, M Vieira, P Vieira… - Sensors & Transducers, 2017 - search.proquest.com
This paper proposes the use of Visible Light Communication (VLC) for vehicle safety
applications, creating a smart vehicle lighting system that combines the functions of …

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 …

[PDF][PDF] Smart vehicle lighting system in the visible range: vehicle-to-vehicle communication

MA Vieira, M Vieira, P Louro, P Vieira - SENSORDEVICES 2017, 2017 - academia.edu
Communication (VLC) for vehicle safety applications, creating a smart vehicle lighting
system that combines the functions of illumination and signaling, communications, and …

Coupled data transmission and indoor positioning by using transmitting trichromatic white LEDs and a SiC optical MUX/DEMUX mobile receiver

M Vieira, MA Vieira, P Vieira, P Louro - Optical Sensors 2017, 2017 - spiedigitallibrary.org
In this paper, we present an indoor positioning system were trichromatic white LEDs are
used both for illumination proposes and as transmitters, and an MUX/DEMUX device, based …