Results 91 to 100 of about 65,492 (218)

UWB slot-loaded Antipodal Vivaldi Antenna for through-the-wall radar imaging (TWRI) applications [PDF]

open access: yesSerbian Journal of Electrical Engineering
The study presents an Ultra-Wideband Slot-loaded Antipodal Vivaldi Antenna (SL-AVA) designed for through-the-wall radar imaging (TWRI) applications. The antenna incorporates rectangular slots of varying lengths and widths, effectively extending ...
Ahmed Sajjad   +4 more
doaj   +1 more source

Monitoring Movements of Ataxia Patient by Using UWB Technology

open access: yesSensors, 2020
Internet of multimedia things (IoMT) driving innovative product development in health care applications. IoMT requires delay-sensitive and higher bandwidth devices.
Tanjila Akter Zilani   +4 more
doaj   +1 more source

Underground Personnel Positioning Method Based on Self-training and NLOS Suppression

open access: yesTaiyuan Ligong Daxue xuebao
[Purposes] The research of precise location of underground personnel in coal mine is of great significance to protect their life safety. The ultra-wideband signal is susceptible to non-lineof- sight (NLOS) interference, which will seriously affects the ...
SHAO Xiaoqiang   +5 more
doaj   +1 more source

Deep Learning-Based LOS and NLOS Identification in Wireless Body Area Networks

open access: yesSensors, 2019
In this article, the usage of deep learning (DL) in ultra-wideband (UWB) Wireless Body Area Networks (WBANs) is presented. The developed approach, using channel impulse response, allows higher efficiency in identifying the direct visibility conditions ...
Krzysztof K. Cwalina   +4 more
doaj   +1 more source

A Coplanar Waveguide Fed Hexagonal Shape Ultra Wide Band Antenna with WiMAX and WLAN Band Rejection [PDF]

open access: yes, 2014
In this paper, a coplanar waveguide (CPW) fed hexagonal shape planar antenna has been considered for ultra-wide band (UWB). This antenna is then modified to obtain dual band rejection. The Wireless Local Area Network (WLAN) and Wireless Microwave Access (
Das, S., Mandal, T.
core   +1 more source

A Genetic Algorithm Based Finger Selection Scheme for UWB MMSE Rake Receivers

open access: yes, 2005
Due to a large number of multipath components in a typical ultra wideband (UWB) system, selective Rake (SRake) receivers, which combine energy from a subset of multipath components, are commonly employed.
Chiang, Mung   +3 more
core   +2 more sources

Design of mine-used integrated intelligent vehicle terminal based on UWB

open access: yesMeikuang Anquan
We designed an intelligent vehicle terminal based on UWB accurate positioning technology, which integrates multiple functions such as precise positioning, 4G/5G wireless communication, video monitoring, data acquisition, voice call and other functions ...
Yang HAN
doaj   +1 more source

An improved trilateral positioning algorithm based on UWB

open access: yesGong-kuang zidonghua, 2019
In view of the problems that existing underground positioning algorithm based on UWB is complex and solution value is not global optimal, an improved trilateral positioning algorithm based on UWB was proposed.
YOU Xiaorong, PEI Hao, HUO Zhenlong
doaj   +1 more source

Key technology of an identification card for mobile phone positioning

open access: yesMeikuang Anquan
In order to solve the problem that most of the existing mine-used smart phones only have the functions of voice calls, video photos, data transmission and so on, and do not have the functions of precise positioning, position coordinate display, message ...
Fei WANG
doaj   +1 more source

Proof of Concept for measuring vital signs using UWB transceivers

open access: yesCurrent Directions in Biomedical Engineering
This paper shows the possibility of using Ultrawideband (UWB) DW3000 transceivers for noninvasive vital sign monitoring via a transversal propagation method.
Egemann Noel   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy