Results 21 to 30 of about 8,289,047 (288)
Zero power light labeling based on visible light communication
Dianxin kexue, 2023 In order to achieve zero energy consumption of visible light labels, MATLAB and MULTISIM were used to simulate the impedance matching of the receiver, matching the input impedance of the first-order equalization circuit with the internal resistance of ...
Tianyang MA, Xiongbin CHEN, Yiwu XU
doaj +2 more sources
An Indoor Visible Light Positioning System for Multi-Cell Networks
Photonics, 2022 Indoor positioning systems based on visible light communication (VLC) using white light-emitting diodes (WLEDs) have been widely studied in the literature. In this paper, we present an indoor visible-light positioning (VLP) system based on red–green–blue
Roger Alexander Martínez-Ciro +3 more
doaj +1 more source
Efficient road surface detection using visible light communication [PDF]
, 2015 This paper presents an efficient road surface detection technique based on visible light communication (VLC). It uses light emitting diodes (LED) based car headlamps to illuminate the road surface and capture the diffuse and specular reflections from the
Ghassemlooy, Zabih +7 more
core +1 more source
An Overview of Visible Light Communication Systems
International journal of Computer Networks & Communications, 2015 Visible Light Communication (VLC) has gained great interest in the last decade due to the rapid developments in Light Emitting Diodes (LEDs) fabrication. Efficiency, durability and long life span of LEDs make them a promising residential lighting equipment as well as an alternative cheap and fast data transfer equipment.
Taner Çevik, Serdar Yilmaz
openaire +2 more sources
Visible light communications: Challenges and possibilities
2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications, 2008 Solid-state lighting is a rapidly developing field. White-light and other visible LEDs are becoming more efficient, have high reliability and can be incorporated into many lighting applications. Recent examples include car head-lights based on white LEDs, and LED illumination as an architectural feature.
O'Brien, D +6 more
openaire +3 more sources
, 2019 Described herein is a visible-light-driven chlorotrifluoromethylative and chlorotrichloromethylative cyclization reaction to synthesize chlorotrifluoromethylated and chlorotrichloromethylated cyclic compounds. Visible-light photochemistry was utilized to
Chaoguo Yan (2408521) +7 more
core +4 more sources
Smart receiver for visible light communications: Design and Analysis [PDF]
, 2012 This paper presents the concept, design and analysis for a visible light communications receiver to guard against blocking and enhance mobility. Different geometrical shapes have been investigated, with two being chosen and analyzed in MATLAB for the ...
Haigh, P. A. +14 more
core +1 more source
Improved Visible Light Communication Receiver Performance by Leveraging the Spatial Dimension [PDF]
, 2022 In wireless communications systems, signals can be transmitted as time (temporal) or spatial variants across 3D space, and in both ways. However, using temporal variant communication channels in high-speed data transmission introduces inter-symbol ...
Rahman, MD Rashed
core +1 more source
MAC/PHY Comprehensive Visible Light Communication Networks Simulation
Sensors, 2020 In this paper, the effect of channel conditions on the global behavior of a wireless Visible Light Communications (VLC) optical network are studied.
Edmundo Torres-Zapata +4 more
doaj +1 more source
CALC: Calibration for Ambient Light Correction in Screen-to-Camera Visible Light Communication
Results in Optics, 2021 Screen-to-Camera Visible Light Communication (S2C-VLC) offers an attractive alternative to other near-field communication methods. It provides direct communication between smartphones without infrastructure support and demand on radio frequency while ...
Kunyu Sun +2 more
doaj +1 more source