Results 11 to 20 of about 519,749 (200)

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

Study and miniaturisation of antennas for ultra wideband communication systems [PDF]

open access: yes, 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   +4 more sources

Radio channel characterisation and system-level modelling for ultra wideband body-centric wireless communications [PDF]

open access: yes, 2012
PhDThe next generation of wireless communication is evolving towards user-centric networks, where constant and reliable connectivity and services are essential.
Abbasi, Qammer Hussain
core   +4 more sources

Ultra-wideband radio signals distribution in FTTH networks [PDF]

open access: yes, 2008
The use of an ultra-wideband (UWB) radio technique is proposed as a viable solution for the distribution of high-definition audio/video content in fiber-to-the-home (FTTH) networks.
Roberto Llorente   +13 more
core   +1 more source

Towards a hardware implementation of ultra-wideband beamforming [PDF]

open access: yes, 2010
This paper discusses and analyses the hardware implementation of an ultra-wideband (UWB) beamformer for UWB Impulse Radio data transmission. We use a Complex Programmable Logic Device (CPLD) acting as the binary baseband information source.
Wolfgang Gartner   +9 more
core   +1 more source

UWB centreless networking positioning based on non-cooperative indoor environment

open access: yesJournal of Hebei University of Science and Technology, 2021
In order to improve the positioning ability of ultra wideband network in non-cooperative indoor environment, the theory of centreless positioning algorithm was used to solve and analyze the output distance information of ultra-wideband ranging, and the ...
Qing WANG, Baoguo YU
doaj   +1 more source

SAR evaluation of ultra wideband (UWB) textile antennas [PDF]

open access: yes2014 IEEE Topical Conference on Biomedical Wireless Technologies, Networks, and Sensing Systems (BioWireleSS), 2014
This work presents a systematic investigation of the Specific Absorption Rate (SAR) of two ultra wideband (UWB) textile antennas. These popular UWB topologies are implemented using similar materials and evaluated at a common frequency point for comparison purposes in a certified SAR facility.
Soh, Ping Jack   +6 more
openaire   +2 more sources

NOVEL SOFTWARE IN MATLAB DESIGNED FOR UWB SENSOR-BASED LOCALIZATION OF PEOPLE IN 2D AND 3D SPACE [PDF]

open access: yesActa Electrotechnica et Informatica, 2021
Detection, localization, and tracking of people in 2D or 3D space using Ultra-wideband (UWB) short-range sensors is a subject of worldwide intensive research. In this paper, we describe a proposal for a novel software called UWB-PerLoc-2D3D.
Michal SVINGAL, Dusan KOCUR, Jana FORTES
doaj   +1 more source

A Large Aperture UWB Antenna Array for Real Beam Radar Imaging

open access: yesInternational Journal of Antennas and Propagation, 2012
The development of four-element ultra-wideband (UWB) comb taper slot antenna array with 18 cm element spacing for real beam radar imaging is described. The four-element UWB array system with optimum element spacing is analyzed by energy pattern.
Chao-Hsiang Liao, Dau-Chyrh Chang
doaj   +1 more source

Cognitive Power Allocation for Multicarrier Based Ultra Wide Band (UWB) Wireless Systems [PDF]

open access: yes, 2012
This thesis presents a study of Distributed Cognitive Power Allocation for multicarrier based Ultra Wide Band (UWB) wireless systems in a point to point configuration as a way of reducing the coexistence interference for low power emission wireless ...
Jin, Ruofan
core   +6 more sources

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