Results 61 to 70 of about 1,976 (209)

Design and Analysis of Chipless RFID Tags Based on Retro-Radiators

open access: yesIEEE Access, 2019
Chipless RFID tag is a promising technique for future RFID systems due to its low cost and high reliability. In this paper, three chipless RFID tags are designed based on retro-reflective structures, in order to increase the reading range and enhance the
Hui Li   +4 more
doaj   +1 more source

Dual-Band RFID Tag Antenna Based on the Hilbert-Curve Fractal for HF and UHF Applications [PDF]

open access: yes, 2016
A novel single-radiator card-type tag is proposed which is constructed using a series Hilbert-curve loop and matched stub for high frequency (HF)/ultra high frequency (UHF) dual-band radio frequency identification (RFID) positioning applications.
Alibakhshikenari, Mohammad   +4 more
core   +1 more source

Accurate Positioning System Based on Chipless Technology

open access: yesSensors, 2019
In this paper, we present an accurate method to localize an object on a 2D plan using the chipless technology. This method requires a single antenna and a chipless tag.
Nicolas Barbot, Etienne Perret
doaj   +1 more source

Encoding Capacity Enhancement for Chipless RFID Tag Using Resonant Frequency Placement

open access: yesIEEE Access, 2023
In this study, a novel encoding approach for chipless radio frequency identification (RFID) tags is proposed. This tag is designed with $N$ resonant elements, each of which can be parameterized to resonate at $M$ individual desired frequencies ...
Cong-Cuong Le   +3 more
doaj   +1 more source

Spectral signature barcodes based on S-shaped split ring resonators (S-SRRs) [PDF]

open access: yes, 2016
In this paper, it is shown that S-shaped split ring resonators (S-SRRs) are useful particles for the implementation of spectral signature (i.e., a class of radiofrequency) barcodes based on coplanar waveguide (CPW) transmission lines loaded with such ...
Herrojo, Cristian   +3 more
core   +2 more sources

Frequency signatured directly printable humidity sensing tag using organic electronics [PDF]

open access: yes, 2017
In this paper chipless RFID tag, capable of carrying 9-bit data is presented. The tag is optimized for several flexible substrates. With growing information and communication technology, sensor integration with data transmission has gained significant ...
Ayesha Habib   +4 more
core   +1 more source

Multimodal Wearable Biosensing Meets Multidomain AI: A Pathway to Decentralized Healthcare

open access: yesAdvanced Science, EarlyView.
Multimodal biosensing meets multidomain AI. Wearable biosensors capture complementary biochemical and physiological signals, while cross‐device, population‐aware learning aligns noisy, heterogeneous streams. This Review distills key sensing modalities, fusion and calibration strategies, and privacy‐preserving deployment pathways that transform ...
Chenshu Liu   +10 more
wiley   +1 more source

2-SR-based electrically small antenna for RFID applications [PDF]

open access: yes, 2016
In this work, the 2-turn spiral resonator (2-SR) is proposed as an electrically small antenna for passive radio frequency identification (RFID) tags at the European ultra-high frequency (UHF) band. The radiation properties are studied in order to explore
Aguilà Moliner, Pau   +5 more
core   +2 more sources

Nanomaterial‐Based Inkjet Printing for Electrochemical Sensing

open access: yesSmall, Volume 22, Issue 10, 17 February 2026.
Inkjet printing provides a digitally controlled, versatile, and highly reproducible method for fabricating and functionalizing sensing devices. This Perspective highlights how homogeneous, material‐efficient deposition enables precise patterning of functional inks and scalable integration of sensors for chemical and biological detection. The discussion
David Panáček   +7 more
wiley   +1 more source

Mechanically reconfigurable microstrip lines loaded with stepped impedance resonators and potential applications [PDF]

open access: yes, 2014
This paper is focused on exploring the possibilities and potential applications of microstrip transmission lines loaded with stepped impedance resonators (SIRs) etched on top of the signal strip, in a separated substrate. It is shown that if the symmetry
Martín, Ferran,, Naqui Garolera, Jordi
core   +3 more sources

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