Results 121 to 130 of about 123,667 (246)

A Compact RFID Reader Antenna for UHF Near-Field and Far-Field Operations

open access: yesInternational Journal of Antennas and Propagation, 2013
A compact loop antenna is presented for mobile ultrahigh frequency (UHF) radio frequency identification (RFID) application. This antenna, printed on a 0.8 mm thick FR4 substrate with a small size of 31 mm × 31 mm, achieves good impedance bandwidth from ...
Lai Xiao zheng   +2 more
doaj   +1 more source

Illustration of the Impedance Behaviour of Extremely Low-Profile Coupled Shorted-Patches Antennas for UHF RFID of People

open access: yesInternational Journal of Antennas and Propagation, 2014
The recently introduced coupled shorted-patches technique for the design of extremely low-profile UHF RFID tag antennas is used to illustrate the flexibility of selected feeding methods for tuning the antenna input impedance for the complex values ...
Milan Svanda, Milan Polivka
doaj   +1 more source

Nature-inspired spider web shaped UHF RFID reader antenna for IoT and healthcare applications. [PDF]

open access: yesSci Rep, 2023
Sharif A   +6 more
europepmc   +1 more source

UHF RFID tag localization using pattern reconfigurable reader antenna. [PDF]

open access: yesIEEE Annu Wirel Microw Technol Conf, 2022
Hossain MS, Tajin MAS, Dandekar KR.
europepmc   +1 more source

Performance Improvement in Passive Backscatter Based RFID System with Low DCR Modulations [PDF]

open access: yes, 2014
This paper presents application of the low Duty Cycle Ratio (DCR) modulations: isochronous Digital Pulse Position Modulation (DPPM) and anisochronous Digital Pulse Interval Modulation (DPIM) in backscatter based passive RFID communication system.
Svedek, T., Vinko, D., Zagar, D.
core   +1 more source

Innovative Use of UHF-RFID Wireless Sensors for Monitoring Cultural Heritage Structures

open access: yesBuildings
This paper reports a novel investigation in applying commercial Ultra High-Frequency RFID tags (UHF-RFID tags), which are widely used in logistics as sensing elements in civil engineering structures, particularly for monitoring out-of-plane displacements
Amedeo Gregori   +4 more
doaj   +1 more source

Tri-Band Rectenna Dedicated to UHF RFID, GSM-1800 and UMTS-2100 Frequency Bands. [PDF]

open access: yesSensors (Basel), 2022
Assogba O   +4 more
europepmc   +1 more source

UHF RFID Channel Emulation Testbed for Wireless IoT Systems. [PDF]

open access: yesIEEE Access, 2021
Tajin MAS   +4 more
europepmc   +1 more source

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