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Antenna array in 3D to improve tracking of small HF RFID tag

Miyassa, Salhi and Benamara, Megdouda and Grzeskowiak, Marjorie and Lissorgues, Gaëlle and Diet, Antoine and Le Bihan, Yann Antenna array in 3D to improve tracking of small HF RFID tag. (2018) IET Microwaves, Antennas & Propagation, 12 (5). 678-683. ISSN 1751-8725

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Official URL: https://doi.org/10.1049/iet-map.2017.0540


This paper presents an improvement of small RFID tags detection in HF near field, whatever their lateral and angular misalignments, using a complementary sub-coils reader antenna, enhanced by coplanar weakly-coupled resonators, and conformed on a 3D tube. The key ideas of detection improvement are: (i) modification of B -field vector distribution with the complementary coils above the common edge of consecutive loops; (ii) increase of B -field vector diversity and magnitude distribution by a 3D structure conformed on the tube, by realising 2 pairs of Identical Coaxial Loops (ICLs) with face-to-face sub-coils in forward current, and (iii) enhancement of B -field magnitude distribution by resonators included in the complementary sub-coils. Numerical simulations are carried out using High Frequency Structure Simulator (HFSS). The studied figure-of-merit is the mutual inductance between the tag and the reader coil. Results are reported for the 4 planar complementary sub-coils, the previous structure conformed on the tube and for the structure in which RCL resonators are added in the 3 planar complementary sub-coils. Experimental detection range measurements of each fabricated structure drives to the enhancement of the 3D complementary 4 × 3 sub-coils structure with weakly-coupled RLC resonators in each-sub-coil in terms of read-out distance and detection surface area.

Item Type:Article
Additional Information:Thanks to the IEEE (Institute of Electrical and Electronics Engineers). This paper is available at : https://ieeexplore.ieee.org/abstract/document/8334070 “© 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
HAL Id:hal-01691564
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:Other partners > Conservatoire National des Arts et Métiers - CNAM (FRANCE)
French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Other partners > Ecole de l'Innovation Technologique - ESIEE PARIS (FRANCE)
Other partners > Sorbonne Université (FRANCE)
Other partners > CentraleSupélec (FRANCE)
Other partners > Université Paris-Est Marne-La-Vallée - UPEM (FRANCE)
Other partners > Université Paris-Sud 11 (FRANCE)
Laboratory name:
Deposited On:24 Jun 2019 12:20

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