Results 11 to 20 of about 10,486 (249)

Comprehensive Analysis of Time-Domain Hybrid PAM for Data-Rate and Distance Adaptive UWOC System

open access: yesIEEE Access, 2021
The challenge for next-generation underwater optical wireless communication systems is to develop optical transceivers that can operate with low power consumption by maximizing the transmission capacity according to the transmission distance between ...
Takahiro Kodama   +5 more
doaj   +1 more source

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

open access: yesApplied 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   +4 more
doaj   +1 more source

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

open access: yesIEEE 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   +9 more
doaj   +1 more source

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

open access: yesIEEE 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   +2 more
doaj   +1 more source

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

open access: yesMeikuang 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

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

open access: yesPhotonics, 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   +3 more
doaj   +1 more source

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

open access: yesPhotonics, 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   +7 more
doaj   +1 more source

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

open access: yesMicromachines, 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   +6 more
doaj   +1 more source

2 $\times$ 80 Gbit/s DWDM Bidirectional Wavelength Reuse Optical Wireless Transmission

open access: yesIEEE Photonics Journal, 2013
We demonstrate a practical 2×80 Gbit/s dense wavelength division multiplexing (DWDM) bidirectional short-range optical wireless link. The measured power penalties for the bidirectional transmission are less than 0.8 and 0.2 dB compared to the back-
Hai-Yin Hsu   +5 more
doaj   +1 more source

Vertical Cavity Surface Emitting Laser Performance Maturing through Machine Learning for High-Yield Optical Wireless Network

open access: yesMicromachines, 2022
The high-yield optical wireless network (OWN) is a promising framework to strengthen 5G and 6G mobility. In addition, high direction and narrow bandwidth-based laser beams are enormously noteworthy for high data transmission over standard optical fibers.
Ammar Armghan   +4 more
doaj   +1 more source

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