Results 111 to 120 of about 115,454 (254)
Compact UWB-MIMO Antenna With High Isolation and Triple Band-Notched Characteristics
IEEE Access, 2019 A novel and high-performance four-element ultra-wideband (UWB) multiple-input multiple-output (MIMO) antenna is proposed in the paper. The proposed antenna is designed by using a novel integration technology of the symmetric layout, orthogonal structure,
Zhijun Tang +5 more
semanticscholar +1 more source
Deep Learning-Based LOS and NLOS Identification in Wireless Body Area Networks
Sensors, 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
Underground Personnel Positioning Method Based on Self-training and NLOS Suppression
Taiyuan 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
Compact UWB MIMO Vivaldi Antenna With Dual Band-Notched Characteristics
IEEE Access, 2019 A novel ultra-wideband (UWB) multiple-input multiple-output (MIMO) Vivaldi antenna with dual band-notched characteristics is presented and fabricated. The antenna is comprised of an improved ground plane and two microstrip feeding lines with a compact ...
Zhenya Li, Cheng-you Yin, Xiaosong Zhu
semanticscholar +1 more source
An improved trilateral positioning algorithm based on UWB
Gong-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
Design of mine-used integrated intelligent vehicle terminal based on UWB
Meikuang AnquanWe 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
A Belief Propagation Based Framework for Soft Multiple-Symbol Differential Detection
, 2016 Soft noncoherent detection, which relies on calculating the \textit{a posteriori} probabilities (APPs) of the bits transmitted with no channel estimation, is imperative for achieving excellent detection performance in high-dimensional wireless ...
Gao, Hui +3 more
core +1 more source
Key technology of an identification card for mobile phone positioning
Meikuang AnquanIn 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
Current Directions in Biomedical EngineeringThis 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
Sensors, 2010 The use of microwave imaging is becoming more prevalent for detection of interior hidden defects in manufactured and packaged materials. In applications for detection of hidden moisture, microwave tomography can be used to image the material and then ...
Mathew G. Pelletier +3 more
doaj +1 more source