Highly Sensitive SPAD-Based Receiver for Dimming Control in LiFi Networks [PDF]
Sensors, 2023 Visible light communication (VLC) is an emerging mode of wireless communication that supports both illumination and communication. One essential function of VLC systems is the dimming control, which requires a sensitive receiver for low-light conditions.
Mohamad Hijazi +2 more
doaj +2 more sources
Full-Range LED Dimming Driver With Ultrahigh Frequency PWM Shunt Dimming Control
IEEE Access, 2020 This paper explores an ultrahigh dimming frequency Light-Emitting Diode (LED) pulse width modulation (PWM) shunt dimming driver that achieves the full-range dimming.
Yi-Feng Wang +2 more
exaly +3 more sources
High-Resolution Dimmable Augmented Spectral-Efficiency Discrete Multi-Tone Architecture Based on Hybrid Pulse-Width Modulation in Visible-Light Communications [PDF]
SensorsDimming control is an indispensable functionality for visible-light communication (VLC) that enables both illumination and data transmission. However, how to achieve both high-resolution dimming control and spectral-efficient communication is still an ...
Yi Liu +3 more
doaj +2 more sources
The influence of dimming-induced luminance change on driving safety in tunnels
Heliyon, 2023 Although dimming the light in tunnels brings salient benefits to energy saving, the effects of dimming-induced luminance changes on driving safety have been rarely explored.
Ke Wu
exaly +3 more sources
An approach to energy conservation in lighting systems using luminaire-based sensor for automatic dimming [PDF]
Scientific ReportsLighting systems account for a significant proportion of energy consumption in buildings. Therefore, energy conservation within these systems can greatly enhance overall building energy efficiency.
Chaiyan Jettanasen +7 more
doaj +2 more sources
Constant Transmission Efficiency Dimming Control Scheme for VLC Systems
Photonics, 2020 As a novel mode of indoor wireless communication, visible light communication (VLC) should consider the illumination functions besides the primary communication function.
Jia-Ning Guo +3 more
doaj +1 more source
Constant Weight Space-Time Codes for Dimmable MIMO-VLC Systems
IEEE Photonics Journal, 2020 Visible light communication(VLC), which combines communication and illumination, is regarded as a potential wireless communication. For illumination requirements of VLC systems, dimming control is a significant function.
Jia-Ning Guo +4 more
doaj +1 more source
Cost-Effective LED Dimming Driver With Single Chip Design for Smart Lighting System
IEEE Access, 2020 For smart lighting system, this paper presents a high-power (60V/1A) single-chip driver for LED dimming using TSMC high-voltage process. The main circuit included analog circuit, power driver and digital control circuit with mixing-mode design ...
Shih-Chang Hsia +2 more
doaj +1 more source
A Novel Hybrid Dimming Control Scheme for Visible Light Communications
IEEE Photonics Journal, 2017 A dimming control scheme that combines analog dimming and spatial dimming is proposed. The basic idea of the combined scheme is that both the direct current bias level of each individual light-emitting diode (LED) and the number of glared LEDs are ...
Yang Yang +3 more
doaj +1 more source
Dimming Control Scheme With High Power and Spectrum Efficiency for Visible Light Communications
IEEE Photonics Journal, 2017 In this paper, in order to accommodate dimming demands for illumination, which is an essential requirement for visible light communication (VLC), a dimming control scheme with high power and spectrum efficiency is proposed.
Fang Yang, Junnan Gao
doaj +1 more source