Results 31 to 40 of about 11,028,576 (294)
Curve-Fitting Correction Method for the Nonlinear Dimming Response of Tunable SSL Devices
Technologies, 2023 Solid-state lighting (SSL) devices are ubiquitous in several markets, including architectural, automotive, healthcare, heritage conservation, and entertainment lighting.
Rugved Kore, Dorukalp Durmus
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Joint Dimming and Data Transmission Optimization for Multi-User Visible Light Communication System
IEEE Access, 2017 Visible light communication (VLC) is regarded as a promising technology for indoor communications due to its safety, availability, and efficiency. By deploying multiple light-emitting diodes (LEDs) at the transmitter, high data rate can be achieved.
Sike Yao +3 more
doaj +1 more source
Power Management of LED Street Lighting System Based on FPGA [PDF]
Engineering and Technology Journal, 2014 Light Emitting Diode (LED) lamp is new lighting technology used over the world, its high efficiency, low power consumption, dimming capability, long lifetime, environmental friendly and much more advantages make it preferred source in new outdoor and ...
Hanan A.R Akar +2 more
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Dimming Control Scheme of Visible Light Communication Based on Joint Multilevel Time-Shifted Coding
, 2022 Dimming control is an essential objection in the signal designing of visible light communication (VLC), which requires improving the communication performance of the system as much as possible while considering the illumination quality.
Qi Wu, Jian Zhang, Lin Li, Jia-Ning Guo
core +1 more source
A High Accuracy Weak Voltage LED Analog Dimming Method
IEEE Access, 2019 A weak voltage analog dimming method for high precision light emitting diode (LED) current control with N-Bits analog static offset calibration (N-Bits ASOC), dynamic offset cancellation (DOC) and K-times dimming duty to voltage (KD2V) conversion is ...
Jiang-Ping He +5 more
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Low-Complexity Hybrid Optical OFDM with High Spectrum Efficiency for Dimming Compatible VLC System
Applied Sciences, 2019 In visible light communications (VLC), dimming control constitutes an indispensable technique to comply with various illumination necessities and with different energy consumption constraints.
Simeng Feng +3 more
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IEEE Access, 2019 In this paper, a novel modulation scheme called enhanced asymmetrically clipped DC-biased optical OFDM (eADO-OFDM) is proposed to accommodate different demands of multi-users in downlink multiple access for visible light communication systems. Meanwhile,
Xuan Huang +5 more
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Energies, 2020 In this study, the indoor illuminance of a full-scale mock-up with LED system and external automated blinds was quantitatively evaluated by performing experiments involving integrated blinds and LED dimming controls.
Chul-Ho Kim, Kwang-Ho Lee, Kang-Soo Kim
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Weight Threshold Check Coding for Dimmable Indoor Visible Light Communication Systems
IEEE Photonics Journal, 2018 To provide energy savings and ecological benefits, dimming control is a crucial factor in indoor visible light communication (VLC) system where desired brightness levels can be achieved.
Yu Zuo +3 more
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Advanced Functional Materials, EarlyView.A scalable, solution‐processed WSe2/ZrO2‐x van der Waals heterostructure realizes a light‐induced field‐tunneling synapse (LIFTS) that activates exclusively under bright illumination, emulating the photopic adaptation of the human retina at the device level.
Kijeong Nam +10 more
wiley +1 more source