Results 51 to 60 of about 93,158 (208)

Design of low power consumption precise positioning and voice intercom information miner’s lamp

open access: yesMeikuang Anquan, 2021
Aiming at the actual needs of intelligent mine construction and improving the life safety, the paper analyzes the disadvantages of traditional information miner’s lamp, such as high cost, high power consumption, WiFi radio frequency placed in the cap. A
DAI Jianbo
doaj   +1 more source

DQLEL: Deep Q-Learning for Energy-Optimized LoS/NLoS UWB Node Selection [PDF]

open access: yesIEEE Transactions on Signal Processing, 2021
Ultra Wide Band (UWB) has been emerged as a technology to provide reliable, accurate, and energy-efficient indoor navigation/localization systems. There are, however, several key challenges ahead for its efficient implementation including complexity of ...
Zohreh Hajiakhondi-Meybodi   +3 more
semanticscholar   +1 more source

Radiofrequency Technologies of Local Positioning in Healthcare

open access: yesИзвестия высших учебных заведений России: Радиоэлектроника, 2020
Introduction. Localization of objects position in closed space plays an important role in many areas of human activity, including medicine. Using indoor-positioning technologies as a part of telemedicine systems allows one to improve the quality of ...
D. S. Bragin   +3 more
doaj   +1 more source

UWB-Based Real-Time Indoor Positioning Systems: A Comprehensive Review

open access: yesApplied Sciences
Currently, the process of tracking moving objects and determining their indoor location is considered to be one of the most attractive applications that have begun to see widespread use, especially after the adoption of this technology in some smartphone
Mohammed Faeik Ruzaij Al-Okby   +3 more
semanticscholar   +1 more source

Transfer Learning for UWB Error Correction and (N)LOS Classification in Multiple Environments

open access: yesIEEE Internet of Things Journal
Ultra wideband (UWB) is a popular technology to address the need for high-precision indoor positioning systems in challenging industry 4.0 use cases.
Jaron Fontaine   +6 more
semanticscholar   +1 more source

Antenna Study and Design for Ultra Wideband Communication Applications [PDF]

open access: yes, 2006
PhDSince the release by the Federal Communications Commission (FCC) of a bandwidth of 7.5GHz (from 3.1GHz to 10.6GHz) for ultra wideband (UWB) wireless communications, UWB is rapidly advancing as a high data rate wireless communication technology.
Liang, Jianxin
core   +4 more sources

Priority-Based Cloud Computing Architecture for Multimedia-Enabled Heterogeneous Vehicular Users

open access: yesJournal of Advanced Transportation, 2018
In recent days, vehicles have been equipped with smart devices that offer various multimedia-related applications and services, such as smart driving assistance, traffic congestions, weather forecasting, road safety alarms, and many entertainment and ...
Amjad Ali   +7 more
doaj   +1 more source

Data Fusion of UWB and IMU Based on Unscented Kalman Filter for Indoor Localization of Quadrotor UAV

open access: yesIEEE Access, 2020
The indoor location technique plays a essential role during the application of quadrotor unmanned aerial vehicle (UAV). However, the control design problem for the quadrotor UAV is quite difficult in the indoor environment due to the weak GPS signal ...
Weichen You   +3 more
semanticscholar   +1 more source

Cross‐scale Material‐Structure Synergy for 2D Metamaterials: Toward Customizable Intelligent Electromagnetic Manipulation in Multiphysics Fields

open access: yesAdvanced Science, EarlyView.
Recent advances in metasurface‐enabled low‐observable technologies are reviewed from the perspective of cross‐scale material–structure synergy. Electromagnetic, thermal, optical, and acoustic stealth are highlighted together with dynamic tuning, programmable coding, data‐driven inverse design, artificial intelligence, multispectral compatibility, and ...
Shuhao Wang   +5 more
wiley   +1 more source

Overview of Ultra-Wideband Transceivers—System Architectures and Applications

open access: yesTsinghua Science and Technology, 2022
The Ultra-WideBand (UWB) technique, which offers good energy efficiency, flexible data rate, and high ranging accuracy, has recently been recognized as a revived wireless technology for short distance communication.
Bowen Wang   +3 more
doaj   +1 more source

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