Results 1 to 10 of about 4,942,780 (260)

Negatively Biased Solar Cell Optical Receiver for Underwater Wireless Optical Communication System With Low Peak Average Power Ratio

open access: yesIEEE Photonics Journal, 2022
Charging batteries in underwater scenarios is generally very expensive and impractical, and solar cell (SC)-based underwater simultaneous lightwave information and power transfer (SLIPT) systems are a powerful solution.
Wen Lei   +5 more
doaj   +1 more source

Visible Light Communication

open access: yesOntare, 2022
This work presents a general and introductory review of visible light communication. Visible light communication or VLC refers to wireless communications using a spectral range from 380 to 780 nm for the transmission of information.
Juan Felipe Gutiérrez   +1 more
doaj   +1 more source

Side Polished Fiber: A Versatile Platform for Compact Fiber Devices and Sensors

open access: yesPhotonic Sensors, 2022
Side polished fiber (SPF) has a controllable average roughness and length of the side-polishing region, which becomes a versatile platform for integrating multiple materials to interact with the evanescent field to fabricate all-fiber devices and sensors.
Linqing Zhuo   +11 more
doaj   +1 more source

A Fast and High-Accuracy Real-Time Visible Light Positioning System Based on Single LED Lamp With a Beacon

open access: yesIEEE Photonics Journal, 2020
With the advantages of high positioning accuracy and low cost, visible light positioning (VLP) is becoming a promising solution for practical indoor positioning system.
Huaping Li   +9 more
doaj   +1 more source

Fasys: Visible-Light-Based Communication and Positioning Services towards Smart Cities

open access: yesSensors, 2023
Visible-light-based transmission application plays an important role in various types of sensor services for the Internet of Things (IoTs). However, in big data scenarios, current visible-light-based systems cannot achieve concurrent high-speed ...
Baozhu Yu   +4 more
doaj   +1 more source

Multi-User Visible Light Communication and Positioning System Based on Dual-Domain Multiplexing Scheme

open access: yesPhotonics, 2023
Visible light communication and positioning (VLCP) is a promising candidate for constructing a multi-functional wireless network with large-scale connectivity and centimeter-level positioning.
Zhongxu Liu, Changyuan Yu
doaj   +1 more source

Quartz-enhanced photoacoustic spectroscopy employing pilot line manufactured custom tuning forks

open access: yesPhotoacoustics, 2020
Pilot line manufactured custom quartz tuning forks (QTFs) with a resonance frequency of 28 kHz and a Q value of >30, 000 in a vacuum and ∼ 7500 in the air, were designed and produced for trace gas sensing based on quartz enhanced photoacoustic ...
Huadan Zheng   +19 more
doaj   +1 more source

Advances in Visible Light Communication

open access: yesPhotonics, 2023
Visible light communications (VLC) have been a highly popular area of research in recent years [...]
Cuiwei He, Wajahat Ali
doaj   +1 more source

Recent Advances in Indoor Localization via Visible Lights: A Survey

open access: yesSensors, 2020
Because of the limitations of the Global Positioning System (GPS) in indoor scenarios, various types of indoor positioning or localization technologies have been proposed and deployed.
A B M Mohaimenur Rahman   +2 more
doaj   +1 more source

High-Speed Indoor Navigation System based on Visible Light and Mobile Phone

open access: yesIEEE Photonics Journal, 2017
Visible light positioning (VLP) is widely believed to be a cost-effective answer to the growing demand for real-time indoor positioning. However, due to the high computational cost of image processing, most existing VLC-based systems fail to deliver ...
Junbin Fang   +7 more
doaj   +1 more source

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