Results 91 to 100 of about 66,735 (286)

Optically transparent UWB antenna for wireless application & energy harvesting

, 2012
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.Transparent UWB antennas have been the focus of this PhD research.
Peter, Thomas
core  

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

Study and miniaturisation of antennas for ultra wideband communication systems

, 2009
PhDWireless communications have been growing with an astonishing rate over the past few years and wireless terminals for future applications are required to provide diverse services.
Guo, Lu
core  

Reduced-rank adaptive least bit-error-rate detection in hybrid direct-sequence time-hopping ultrawide bandwidth systems

, 2011
Design of high-efficiency low-complexity detection schemes for ultrawide bandwidth (UWB) systems is highly challenging. This contribution proposes a reduced-rank adaptive multiuser detection (MUD) scheme operated in least bit-errorrate (LBER) principles ...
Ahmed, Qasim, Sheng Chen, Yang, Lie-Liang, Lie-Liang Yang, Chen, Sheng, Qasim Zeeshan Ahmed   +5 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

Initial synchronisation of wideband and UWB direct sequence systems: single- and multiple-antenna aided solutions [PDF]

, 2012
This survey guides the reader through the open literature on the principle of initial synchronisation in single-antenna-assisted single- and multi-carrier Code Division Multiple Access (CDMA) as well as Direct Sequence-Ultra WideBand (DS-UWB) systems ...
SeungHwan Won, Won, SeungHwan, Hanzo, Lajos, Lajos Hanzo   +3 more
core   +1 more source

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

Compact Electromagnetic Bandgap Structures for Notch Band in Ultra-Wideband Applications

, 2010
This paper introduces a novel approach to create notch band filters in the front-end of ultra-wideband (UWB) communication systems based on electromagnetic bandgap (EBG) structures.
Jan Sykulski, Rotaru, M., Mihai Rotaru, Sykulski, J.K.   +3 more
core   +1 more source

EXIT chart aided design of DS-CDMA UltraWideBand systems using Iterative decoding [PDF]

, 2008
This paper presents a novel ultrawideband (UWB), direct sequence code division multiple access (DS-CDMA) aided system designed for the IEEE 802.15.3a UWB channel specifications.
M. El-Hajjar, Ahmed, Q.Z., S. Chen, El-Hajjar, Mohammed, Chen, Sheng, S. X. Ng, Q. Z. Ahmed, R. A. Riaz, Ng, Soon Xin, L. Hanzo, Riaz, R.A., Hanzo, Lajos   +11 more
core   +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