Results 31 to 40 of about 103,721 (258)

Improved Diver Communication System by Combining Optical and Electromagnetic Trackers

open access: yesSensors, 2020
The increasing need for observation in seawater or ocean monitoring systems has ignited a considerable amount of interest and the necessity for enabling advancements in technology for underwater wireless tracking and underwater sensor networks for ...
Aman Kataria   +5 more
doaj   +1 more source

Deep Learning Framework for Wireless Systems: Applications to Optical Wireless Communications

open access: yes, 2018
Optical wireless communication (OWC) is a promising technology for future wireless communications owing to its potentials for cost-effective network deployment and high data rate.
Lee, Hoon   +3 more
core   +1 more source

Ring-modulator-based RoF system with local SSB modulation and remote carrier reuse [PDF]

open access: yes, 2019
A full-duplex radio-over-fibre (RoF) system based on an integrated silicon ring modulator is proposed and demonstrated. For the downstream link, a coherent dual-wavelength laser source is coupled to a silicon ring modulator in the central office (CO ...
Pan, Shilong   +4 more
core   +1 more source

Hierarchically Federated Learning in Wireless Networks: D2D Consensus and Inter-Cell Aggregation

open access: yesIEEE Transactions on Machine Learning in Communications and Networking
Decentralized federated learning (DFL) architecture enables clients to collaboratively train a shared machine learning model without a central parameter server.
Jie Zhang   +4 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

Secrecy Performance Analysis of Hybrid RF/VLC Dual-Hop Relaying Systems

open access: yesFrontiers in Physics, 2021
In this article, the secrecy performance of a hybrid radio frequency (RF)/visible light communication (VLC) system is studied. In this hybrid system, the source node (i.e., Alice) transmits information to the relay node via the outdoor RF link.
Jiaoli Liu   +5 more
doaj   +1 more source

Optical wireless communications for micromachines

open access: yesSPIE Proceedings, 2006
A key challenge for wireless sensor networks is minimizing the energy required for network nodes to communicate with each other, and this becomes acute for self-powered devices such as 'smart dust'. Optical communications is a potentially attractive solution for such devices.
O'Brien, D   +6 more
openaire   +2 more sources

Optical wireless communications for cyber-secure ubiquitous wireless networks [PDF]

open access: yesProceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2020
Wireless connectivity is no longer limited to facilitating communications between individuals, but is also required to support diverse and heterogeneous applications, services and infrastructures. Internet of things (IoT) systems will dominate future technologies, allowing any and all devices to create, share and process data.
Hanaa Abumarshoud   +3 more
openaire   +4 more sources

Energy Efficient User Association for Cloud Radio Access Networks

open access: yesIEEE Access, 2016
Cloud radio access network (C-RAN) and massive multiple-input multiple-output (MIMO) are recognized as two key technologies for the fifth-generation mobile networks.
Jun Zuo   +4 more
doaj   +1 more source

Overview of Vehicle Optical Wireless Communications

open access: yesIEEE Access, 2020
Effective information transmission between vehicles has become one of the solutions to improve road safety. Based on the huge advantages of optical wireless data transmission technology, this article summarizes the research status of unmanned vehicles in
Hongye Mei   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy