Results 81 to 90 of about 5,269,364 (177)

Experimental validation of indoor relay-assisted visible light communications for a last-meter access network

, 2019
This paper provides experimental results for a relay-assisted visible light communications (VLC) link usinga white light-emitting diode (LED) for a last-meter access network.
Nor N.A.M., Zvánovec S., Chvojka P., Ghassemlooy Z., Tabeshmehr P., Pešek P.   +5 more
core   +1 more source

Debunking war information disorder: A case study in assessing the use of multimedia verification tools

Journal of the Association for Information Science and Technology, Volume 76, Issue 5, Page 752-769, May 2025.
Abstract This paper investigates the use of multimedia verification, in particular, computational tools and Open‐source Intelligence (OSINT) methods, for verifying online multimedia content in the context of the ongoing wars in Ukraine and Gaza. Our study examines the workflows and tools used by several fact‐checkers and journalists working at Faktisk,
Sohail Ahmed Khan, Laurence Dierickx, Jan‐Gunnar Furuly, Henrik Brattli Vold, Rano Tahseen, Carl‐Gustav Linden, Duc‐Tien Dang‐Nguyen   +6 more
wiley   +1 more source

Power distribution investigation of a hexagonal diffused cellular indoor visible light communications system [PDF]

, 2011
This paper presents a three dimensions (3D) model of optical power distribution in a diffused cellular indoor visible light communication (VLC) system.
Ghassemlooy, Zabih, Wu, Dehao, Rajbhandari, Sujan, Le Minh, Hoa   +3 more
core  

Experimental Demonstration of 4-level PAM for Sub-pixel Optical Camera Communications

, 2023
As Internet of Things (IoT) technologies proliferate, a scarcity of radio frequency (RF) spectrum resources becomes apparent. One promising solution lies in Visible Light Communication (VLC), which offers a novel approach to wireless data transmission ...
Matus, V., Guerra, V., Hernandez-Morales, C. A., Rabadan, J., Luna-Rivera, J. M., Perez-Jimenez, R., Rufo, J.   +6 more
core   +1 more source

Experimental Demonstration of Vehicle to Road Side Infrastructure Visible Light Communications [PDF]

, 2019
The increasing use of light emitting diodes in traffic lights offer excellent opportunities for implementation of visible light communications (VLC)based wireless technology as part of intelligent transport systems in smart environments.
Elizabeth Eso, Asghar Gholami, Gholami, Asghar, Navid Bani Hassan, Younus, Othman, Isam, Ghassemlooy, Zabih, Eso, Elizabeth, Zvanovec, Stanislav, Hassan, Navid, Bani, Hassan, Othman Isam, Burton, Andrew, Andrew Burton, Zabih Ghassemlooy, Stanislav Zvanovec, Othman Isam Younus   +14 more
core   +1 more source

Signal-to-Noise Ratio Enhancements Enabling 1.6-km Outdoor Visible Light Communication Using Vehicle Lights and Cameras

IEEE Access
Light-based communications offer a promising alternative to alleviate congestion in crowded radio frequency bands and extend communication frequencies towards the THz range.
Don E. Barber, Sean M. Kennedy, John C. McEachen, Murali Tummala   +3 more
doaj   +1 more source

Flexible Glass Hybridized Colloidal Quantum Dots for Gb/s Visible Light Communications

IEEE Photonics Journal, 2018
Color converting films of colloidal quantum dots (CQDs) encapsulated with flexible glass are integrated with microsize GaN LEDs (μLEDs) in order to form optical sources for high-speed visible light communications (VLC).
Caroline Foucher, Mohamed Islim Sufyan, Benoit Jack Eloi Guilhabert, Stefan Videv, Sujan Rajbhandari, Ariel Gomez Diaz, Hyunchae Chun, Dimali A. Vithanage, Graham A. Turnbull, Ifor D. W. Samuel, Grahame Faulkner, Dominic C. O'Brien, Harald Haas, Nicolas Laurand, Martin D. Dawson   +14 more
doaj   +1 more source

Experimental Demonstration of VLC-Based Vehicle-to-Vehicle Communications Under Fog Conditions

IEEE Photonics Journal, 2015
Vehicle-to-vehicle (V2V) communication using visible light communication (VLC) technology under fog conditions is presented. Fog is known as one of the most detrimental atmospheric conditions that causes outdoor optical wireless communications to be ...
Yong Hyeon Kim, Willy Anugrah Cahyadi, Yeon Ho Chung   +2 more
doaj   +1 more source

Recent Progress in GaN-Based High-Bandwidth Micro-LEDs and Photodetectors for High-Speed Visible Light Communication

Photonics
Visible light communication (VLC) is an emerging communication technology that integrates lighting and communication, offering significant advantages in terms of data transmission rates and broad application prospects.
Handan Xu, Jiakang Ai, Tianlin Deng, Yuandong Ruan, Di Sun, Yue Liao, Xugao Cui, Pengfei Tian   +7 more
doaj   +1 more source

Enhancement of Signal Performance in LED Visible Light Communications Using Mobile Phone Camera

IEEE Photonics Journal, 2015
Visible light communication (VLC) is attractive as a supplementary method for future fifth-generation (5G) wireless communication owing to the shortage of radio-frequency bandwidth in conventional wireless communications.
Chi-Wai Chow, Chung-Yen Chen, Shih-Hao Chen   +2 more
doaj   +1 more source