Results 21 to 30 of about 812 (180)

Evaluation of Misalignment Effect in Vehicle-to-Vehicle Visible Light Communications: Experimental Demonstration of a 75 Meters Link

Sensors, 2021
The use of visible light communications technology in communication-based vehicle applications is gaining more and more interest as the research community is constantly overcoming challenge after challenge.
Sebastian-Andrei Avătămăniței, Cătălin Beguni, Alin-Mihai Căilean, Mihai Dimian, Valentin Popa   +4 more
doaj   +1 more source

In-Vehicle Visible Light Communications Data Transmission System Using Optical Fiber Distributed Light: Implementation and Experimental Evaluation

Sensors, 2022
Visible light communications emerges as a promising wireless communication technology that has been found suitable for numerous indoor and outdoor applications.
Cătălin Beguni, Alin-Mihai Căilean, Sebastian-Andrei Avătămăniței, Eduard Zadobrischi, Raul Stoler, Mihai Dimian, Valentin Popa, Bastien Béchadergue, Luc Chassagne   +8 more
doaj   +1 more source

Hybrid RF/VLC Systems: A Comprehensive Survey on Network Topologies, Performance Analyses, Applications, and Future Directions

IEEE Access, 2021
Wireless communications refer to data transmissions in unguided propagation media through the use of wireless carriers such as radio frequency (RF) and visible light (VL) waves.
Hisham Abuella, Mohammed Elamassie, Murat Uysal, Zhengyuan Xu, Erchin Serpedin, Khalid A. Qaraqe, Sabit Ekin   +6 more
doaj   +1 more source

Visible Light Communication

Ontare, 2022
This work presents a general and introductory review of visible light communication. Visible light communication or VLC refers to wireless communications using a spectral range from 380 to 780 nm for the transmission of information.
Juan Felipe Gutiérrez, Jesús María Quintero   +1 more
doaj   +1 more source

Physical-Layer Network Coding Enhanced Visible Light Communications Using RGB LEDs

IEEE Photonics Journal, 2023
Visible light communications (VLC) is a good candidate technology for the 6th generation (6G) wireless communications. Red, green, and blue (RGB) light-emitting diodes (LEDs) based VLC has become an important research branch due to its low price and high
Jian Xiong, Runxin Zhang, Lu Lu, Qifu Tyler Sun, Keping Long   +4 more
doaj   +1 more source

Noise-Adaptive Visible Light Communications Receiver for Automotive Applications: A Step Toward Self-Awareness

Sensors, 2020
Visible light communications are considered as a promising solution for inter-vehicle communications, which in turn can significantly enhance the traffic safety and efficiency.
Alin-Mihai Căilean, Mihai Dimian, Valentin Popa   +2 more
doaj   +1 more source

Visible Light Communications: A Survey on Recent High-Capacity Demonstrations and Digital Modulation Techniques

Photonics, 2023
In order to deal with the increasing number of mobile devices and with their demand for Internet services, particularly social media platforms, streaming video, and online gaming, Radio-Frequency (RF) wireless networks have been pushed to their capacity ...
Pedro A. Loureiro, Fernando P. Guiomar, Paulo P. Monteiro   +2 more
doaj   +1 more source

A Survey of NOMA for VLC Systems: Research Challenges and Future Trends

Sensors, 2022
Visible light communication (VLC) has become a promising technology for high data rate communications and an attractive complementary to conventional radio frequency (RF) communication. VLC is a secure, energy efficient and cost-effective technology that
Hesham Sadat, Mohamed Abaza, Ali Mansour, Ayman Alfalou   +3 more
doaj   +1 more source

Noise Resilient Outdoor Traffic Light Visible Light Communications System Based on Logarithmic Transimpedance Circuit: Experimental Demonstration of a 50 m Reliable Link in Direct Sun Exposure

Sensors, 2020
The usage of Visible Light Communications (VLC) technology in automotive applications is very promising. Nevertheless, in outdoor conditions, the performances of existing VLC systems are strongly affected by the sun or other sources of light.
Sebastian Andrei Avătămăniței, Alin-Mihai Căilean, Adrian Done, Mihai Dimian, Marius Prelipceanu   +4 more
doaj   +1 more source

Vehicular Visible Light Networks for Urban Mobile Crowd Sensing

Sensors, 2018
Crowd sensing is a powerful tool to map and predict interests and events. In the future, it could be boosted by an increasing number of connected vehicles sharing information and intentions.
Barbara M. Masini, Alessandro Bazzi, Alberto Zanella   +2 more
doaj   +1 more source