Results 31 to 40 of about 8,289,047 (288)
Wavelength-Multiplexed Polymer LEDs: Towards 55 Mb/s Organic Visible Light Communications [PDF]
, 2015 We present recent progress on visible light communication systems using polymer light-emitting diodes as the transmitters and a commercial silicon photodetector as the receiver.
Papakonstantinou, I +15 more
core +1 more source
Synthesis of visible-light-activated yellow amorphous TiO2 photocatalyst [PDF]
, 2008 Visible-light-activated yellow amorphous TiO2 (yam-TiO2) was synthesised by a simple and organic-free precipitation method. TiN, an alternative precursor for TiO2 preparation, was dissolved in hydrogen peroxide under acidic condition ( pH similar to 1 ...
Randorn, Chamnan +8 more
core +1 more source
, 2022 S.133-180Introduction Optical free space communication using visible radiation, i.e. light, has been known for a very long time. Some early examples are signaling using fire, the Heliograph using sunlight, which is directed to the receiver by means of a ...
Langer, K.-D.
core +1 more source
Mobile Phone Camera-Based Indoor Visible Light Communications With Rotation Compensation
IEEE Photonics Journal, 2016 Downlink visible light communication (VLC) using a mobile phone camera is presented. The proposed scheme consists of an 8 $\times$ 8 light-emitting diode (LED) array for data transmission and eight white LEDs for an adequate level of illumination.
Willy Anugrah Cahyadi +3 more
doaj +1 more source
Enhancing Airport Navigation Using Visible Light Communication [PDF]
EPJ Web of ConferencesThis study introduces an innovative approach to facilitate navigation within crowded multi-terminal airports using Visible Light Communication (VLC) technology.
Vieira Manuela +4 more
doaj +1 more source
Visible Light or Infrared? Modulating LiFi for Dual Operation in the Visible and Infrared Spectra [PDF]
, 2023 Light-Fidelity (LiFi) has emerged in the last few years as a promising technology for alleviating the stringent demand of wireless data services. Prior works have considered LiFi operating either in the visible light or infrared spectrum.
Genovés Guzmán, Borja +3 more
core +1 more source
Multiuser Massive MIMO-OFDM for Visible Light Communication Systems
IEEE Access, 2023 Visible light communication (VLC) has emerged as a viable supplement to existing radio frequency (RF) communication systems. The limited modulation bandwidth of sources is one of the significant challenges in the multiuser (MU) VLC systems, which ...
Mohammad Javad Zakavi +2 more
doaj +1 more source
Spectral-Efficient L/E-ACO-SCFDM-Based Dimmable Visible Light Communication System
IEEE Access, 2019 In this paper, we propose a dimmable visible light communication (VLC) system based on spectral-efficient layered/enhanced asymmetrically clipped optical single-carrier frequency-division multiplexing (L/E-ACO-SCFDM).
Tiantian Zhang +5 more
doaj +1 more source
Design for The Indoor Visible Light Communication Application System Based on LED Visible Light
MATEC Web of Conferences, 2017 This paper designs an indoor visible light communication application system based on LED. The system can modulate the original signal one or more times, move to a specific frequency band, transmit on the power line, in the LED terminal use this module to
Lian Wenyu +4 more
doaj +1 more source
CGH for Indoor Visible Light Communication System
IEEE Access, 2017 In this paper, we propose, design, and evaluate two indoor visible light communication (VLC) systems based on computer generated holograms (CGHs); a simple static CGH-VLC system and an adaptive CGH-VLC system. Each transmitter is followed by the CGH, and
Safwan Hafeedh Younus +3 more
doaj +1 more source