Results 41 to 50 of about 123,667 (246)

Electromagnetic modeling of UHF RFID tags [PDF]

open access: yesSerbian Journal of Electrical Engineering, 2011
Paper presents a method for analysis of UHF RFID tags. After a brief overview of RFID system and UHF tags an electromagnetic (EM) simulation of tags in WIPL-D software was conducted.
Milošević Nemanja, Kolundžija Branko
doaj   +1 more source

A new structure of a miniature and flexible printed UHF RFID TAG

open access: yese-Prime: Advances in Electrical Engineering, Electronics and Energy, 2022
A new Miniaturized RFID tag has been designed and optimized using meander theory and split ring resonator theory. The proposed RFID tag is designed and adapted for an UHF chip with Zchip=30.39-i*211Ohm.
Latifa El Ahmar   +5 more
doaj   +1 more source

RFID coverage extension using microstrip-patch antenna array [PDF]

open access: yes, 2009
In this paper, a UHF-band 2 x 2 microstrip phased-array antenna is designed and implemented to extend the coverage of an RFID reader system. The phased-array antenna has four microstrip-patch antennas, three Wilkinson power dividers, and a transmission ...
Abbak, Mehmet   +2 more
core   +1 more source

RePos : relative position estimation of UHF-RFID tags for item-level localization [PDF]

open access: yes, 2019
Radio frequency identification (RFID) technology brings tremendous applications in location-based services. Specifically, ultra-high frequency (UHF) RFID tag positioning based on phase (difference) of arrival (PoA/PDoA) has won great attention, due to ...
De Poorter, Eli   +6 more
core   +2 more sources

The influence of structure uniformity on resonant frequency of ultra-high frequency radio frequency identification tag thread With normal mode helix dipole antenna

open access: yesJournal of Industrial Textiles, 2022
The stable performance of ultra-high frequency radio frequency identification (UHF RFID) tag thread with normal mode helical dipole antenna (NMHDA) was required for industrialized application.
Yong Zhang   +4 more
doaj   +1 more source

Compact Four-Port Dual-Sense Circularly Polarized Stack-Up Patch Antenna for UHF/MW-RFID MIMO System

open access: yesInternational Journal of Antennas and Propagation, 2021
A four-port dual-band dual circularly polarized (CP) stack-up patch antenna is introduced for multiple-input-multiple-output (MIMO) RFID application. The proposed antenna adopts two FR 4 substrates and one Rogers Ro4350b substrates. Two pairs of isolated
Enze Zhang, Jinghui Qiu
doaj   +1 more source

Passive UHF RFID Tag for Multispectral Assessment [PDF]

open access: yesSensors, 2016
This work presents the design, fabrication, and characterization of a passive printed radiofrequency identification tag in the ultra-high-frequency band with multiple optical sensing capabilities. This tag includes five photodiodes to cover a wide spectral range from near-infrared to visible and ultraviolet spectral regions. The tag antenna and circuit
Pablo Escobedo   +5 more
openaire   +5 more sources

Inkjet printed paper based frequency selective surfaces and skin mounted RFID tags: the interrelation between silver nanoparticle ink, paper substrate and low temperature sintering technique [PDF]

open access: yes, 2015
Inkjet printing of functional frequency selective surfaces (FSS) and radio frequency identification (RFID) tags on commercial paper substrates using silver nanoparticle inks sintered using low temperature thermal, plasma and photonic techniques is ...
Abbel, Robert   +10 more
core   +4 more sources

Architecture Characteristics and Technical Trends of UHF RFID Temperature Sensor Chip

open access: yesActive and Passive Electronic Components, 2018
The integration of temperature sensor (TS) and UHF RFID technology has attracted wide attention theoretically and experimentally. The architecture, power consumption, temperature measurement range, accuracy, and communication distance are key indicators ...
Guofeng Zhang   +8 more
doaj   +1 more source

Tattoo Antenna Temporary Transfers Operating On-Skin (TATTOOS) [PDF]

open access: yes, 2015
This paper discusses the development of RFID logo antennas based on the logos of Loughborough University and the University of Kent which can be tattooed directly onto the skin’s surface.
A Chauraya   +11 more
core   +1 more source

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