Results 91 to 100 of about 95,609 (201)

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 and Performance Analysis of a Compact Quad-Element UWB MIMO Antenna for Automotive Communications [PDF]

, 2021
Sriram Arumugam, Sangeetha Manoharan, Sandeep Kumar Palaniswamy, Sachin Kumar   +3 more
openalex   +1 more source

Medium Access Control for Wireless Sensor Networks based on Impulse Radio Ultra Wideband

, 2009
This paper describes a detailed performance evaluation of distributed Medium Access Control (MAC) protocols for Wireless Sensor Networks based on Impulse Radio Ultra Wideband (IR-UWB) Physical layer (PHY).
Berthe, Abdoulaye, Dragomirescu, Daniela, Lecointre, Aubin, Plana, Robert   +3 more
core   +1 more source

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

Meikuang 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

Impulse Radio Systems with Multiple Types of Ultra-Wideband Pulses [PDF]

, 2005
Spectral properties and performance of multi-pulse impulse radio ultra-wideband systems with pulse-based polarity randomization are analyzed. Instead of a single type of pulse transmitted in each frame, multiple types of pulses are considered, which is ...
Gezici, Sinan, Kobayashi, Hisashi, Poor, H. Vincent, Sahinoglu, Zafer   +3 more
core  

Key technology of an identification card for mobile phone positioning

Meikuang 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

Accurate Permittivity Measurements for Microwave Imaging via Ultra-Wideband Removal of Spurious Reflectors

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, Joseph A. Viera, John Wanjura, Greg Holt   +3 more
doaj   +1 more source

Proof of Concept for measuring vital signs using UWB transceivers

Current 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, Kitzig Andreas, Naroska Edwin   +2 more
doaj   +1 more source

Design of a compact UWB antenna with a partial ground plane on epoxy woven glass material

Science and Engineering of Composite Materials, 2017
A compact ultra-wideband (UWB) antenna is presented in this paper with a partial ground plane on epoxy woven glass material. The study is discussed to comprehend the effects of various design parameters with explicit parametric analyses.
Islam Md. Moinul, Islam Mohammad Tariqul, Faruque Mohammad Rashed Iqbal, Aldhaheri Rabah W., Samsuzzaman Md.   +4 more
doaj   +1 more source

A Suboptimal Receiver with Turbo Block Coding for Ultra-Wideband Communications [PDF]

, 2005
In this paper, the performance of adaptive equalization and turbo product coding is investigated for pulse-based UWB communications in short-range indoor environments.
Aquino, Sim, Becker, Timothy, Morelos-Zaragoza, Robert H   +2 more
core   +1 more source