Results 11 to 20 of about 758,632 (333)

A Multi-Static Radar Network with Ultra-Wideband Radio-Equipped Devices

open access: yesSensors, 2020
A growing number of devices, from car key fobs to mobile phones to WiFi-routers, are equipped with ultra-wideband radios. In the network formed by these devices, communicating modules often estimate the channel impulse response to employ a matched filter
Anton Ledergerber, Raffaello D’Andrea
doaj   +2 more sources

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

Precision Positioning for Smart Logistics Using Ultra-Wideband Technology-Based Indoor Navigation: A Review

open access: yesIEEE Access, 2022
Logistics is an important driver for the competitiveness of industries and material supply. The development of smart logistics, powered by precise positioning and communication technologies can significantly improve the efficiency of logistics.
Mahmoud Elsanhoury   +7 more
semanticscholar   +1 more source

Practical imaging algorithms in ultra-wideband radar systems using active aperture synthesis and stochastic probing signals

open access: yesRADIOELECTRONIC AND COMPUTER SYSTEMS, 2023
The subject of the manuscript is the algorithms for radar imaging. This research develops imaging methods and algorithms for wideband and ultrawideband active aperture synthesis systems with antenna arrays and stochastic probing signals.
S. Zhyla   +16 more
semanticscholar   +1 more source

Design of a Compact Ultra-Wideband Microstrip Bandpass Filter

open access: yesElectronics, 2023
A compact ultra-wideband bandpass filter based on a multilayer printed circuit board (MPCB) structure is proposed in this paper. RO4450F prepreg is used to bond three RO4350B dielectric substrates with different thicknesses in the MPCB structure.
C. Li   +4 more
semanticscholar   +1 more source

Ultra‐Wideband Electrostrictive Mechanical Antenna [PDF]

open access: yesAdvanced Functional Materials, 2021
Mechanical antennas based on piezoelectric materials can effectively reduce the size of long wave antennas down to 1/1000 of the wavelength (from km scale to mm level).
Jianchun Xu   +9 more
semanticscholar   +1 more source

A Jug-Shaped CPW-Fed Ultra-Wideband Printed Monopole Antenna for Wireless Communications Networks

open access: yesApplied Sciences, 2022
A type of telecommunication technology called an ultra-wideband (UWB) is used to provide a typical solution for short-range wireless communication due to large bandwidth and low power consumption in transmission and reception.
Sarosh Ahmad   +8 more
semanticscholar   +1 more source

TeraMIMO: A Channel Simulator for Wideband Ultra-Massive MIMO Terahertz Communications [PDF]

open access: yesIEEE Transactions on Vehicular Technology, 2021
Following recent advances in terahertz (THz) technology, there is a consensus on the crucial role of THz communications in the next generation of wireless systems.
Simon Tarboush   +6 more
semanticscholar   +1 more source

Metal‐only ultra‐wideband reflectarray

open access: yesElectronics Letters, 2022
A metal‐only ultra‐wideband polarisation‐selective reflectarray element using the true time delay is proposed herein. The element affords a large bandwidth with a tuneable reflection phase.
Jia‐Wei Ren, Hong‐Jian Wang
doaj   +1 more source

A Compact CPW-Fed Ultra-Wideband Multi-Input-Multi-Output (MIMO) Antenna for Wireless Communication Networks

open access: yesIEEE Access, 2022
In this article, a compact coplanar waveguide (CPW) technique based ultra-wideband multiple-input-multiple-output (MIMO) antenna is proposed. The design is characterized by a broad impedance bandwidth starting from 3 GHz to 11 GHz.
Sarosh Ahmad   +6 more
semanticscholar   +1 more source

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