Results 11 to 20 of about 8,747,987 (147)

Advanced Progress of Optical Wireless Technologies for Power Industry: An Overview

Applied Sciences, 2020
Optical wireless communications have attracted widespread attention in the traditional power industry because of the advantages of large spectrum resources, strong confidentiality, and freedom from traditional electromagnetic interference.
Jupeng Ding, Wenwen Liu, Chih-Lin I, Hui Zhang, Hongye Mei   +4 more
doaj   +1 more source

Real-Time Multi-User Video Optical Wireless Transmission Based on a Parallel Micro-LEDs Bulb

IEEE Photonics Journal, 2021
In this work, we experimentally achieved a real-time video optical wireless transmission which can broadcast two users in different positions, simultaneously.
Zixian Wei, Zhongxu Liu, Zhaoming Wang, Mutong Li, Chien-Ju Chen, Meng-Chyi Wu, Songping Mai, Faisal Nadeem Khan, Changyuan Yu, H. Y. Fu   +9 more
doaj   +1 more source

Implementation of a Full Optically-Powered 5G NR Fiber-Wireless System

IEEE Photonics Journal, 2022
We report the implementation of a full optically-powered 5G new radio (5G NR) fiber-wireless (FiWi) system based on power-over-fiber (PoF) and radio-over-fiber (RoF) technologies.
Leticia Carneiro de Souza, Eduardo Saia Lima, Arismar Cerqueira Sodre Junior   +2 more
doaj   +1 more source

Design of monitoring system for coal mine roof separation based on WaveMesh network and STM32

Meikuang Anquan, 2022
In view of the traditional coal mine roof separation layer monitoring system maintenance difficult, inconvenient installation, low flexibility, and the unstable signal transmission, high power consumption and short service period of the wireless ...
WU Shitao, TANG Jianquan, YANG Jie
doaj   +1 more source

Recent developments in indoor optical wireless systems [PDF]

, 2008
An overview of the developments in optical wireless systems viewed from the traditional communications viewpoint of transmitter, channel and receiver is presented.
Leeson, Mark S., Higgins, Matthew D., Green, Roger, Joshi, Harita, H. Joshi, M.S. Leeson, R.J. Green, M.D. Higgins   +7 more
core   +1 more source

Optimisation of Lambertian order for indoor non-directed optical wireless communication [PDF]

, 2012
This paper studies the optimised Lambertian order (OLO) of light-emitting diodes (LEDs) for an indoor non-directed line of sight optical wireless communication (NLOS-OWC) systems.
Ghassemlooy, Zabih, H. Le Minh, Z. Ghassemlooy, Minh, Hao Le, Wu, Dehao, D. Wu, Tang, Xuan, Khalighi, Mohammad-Ali, Rajbhandari, Sujan, M. A. Khalighi, S. Rajbhandari, Le Minh, Hoa   +11 more
core   +1 more source

Low-Latency Optical Wireless Data-Center Networks Using Nanoseconds Semiconductor-Based Wavelength Selectors and Arrayed Waveguide Grating Router

Photonics, 2022
In order to meet the massively increasing requirements of big-data applications, data centers (DCs) are key infrastructures to cope with the associated demands, such as high performance, easy scalability, low cabling complexity and low power consumption.
Shaojuan Zhang, Xuwei Xue, Eduward Tangdiongga, Nicola Calabretta   +3 more
doaj   +1 more source

Analysis and Experiment of Laser Energy Distribution of Laser Wireless Power Transmission Based on a Powersphere Receiver

Photonics, 2023
Laser wireless power transmission (WPT) is one of the most important technologies in the field of long-range power transfer. This technique uses a laser as a transmission medium instead of conventional physical or electrical connections to perform WPT ...
Tiefeng He, Guoliang Zheng, Qingyang Wu, Haixuan Huang, Lili Wan, Keyan Xu, Tianyu Shi, Zhijian Lv   +7 more
doaj   +1 more source

Wireless Photometry Prototype for Tri-Color Excitation and Multi-Region Recording

Micromachines, 2022
Visualizing neuronal activation and neurotransmitter release by using fluorescent sensors is increasingly popular. The main drawback of contemporary multi-color or multi-region fiber photometry systems is the tethered structure that prevents the free ...
Aatreya Chakravarti, Amin Hazrati Marangalou, Ian Matthew Costanzo, Devdip Sen, Mirco Sciulli, Yusuke Tsuno, Ulkuhan Guler   +6 more
doaj   +1 more source

Optical generation and wireless transmission of 60 GHz OOK signals using gain switched laser [PDF]

, 2010
We present a novel, simple and cost effective system for optical millimeter-wave generation and transmission of 3 Gbps data based on gain switching.
Anandarajah, Prince M., Barry, Liam P., Shams, Haymen, Perry, Philip   +3 more
core   +2 more sources