An RFID Tag Using a Planar Inverted‐F Antenna Capable of Being Stuck to Metallic Objects | Zendy

Choi Wonkyu | Zendy; Son Hae Won | Zendy; Bae JiHoon | Zendy; Choi Gil Young | Zendy; Pyo Cheol Sig | Zendy; Chae JongSuk | Zendy

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An RFID Tag Using a Planar Inverted‐F Antenna Capable of Being Stuck to Metallic Objects

Author(s) -

Choi Wonkyu,

Son Hae Won,

Bae JiHoon,

Choi Gil Young,

Pyo Cheol Sig,

Chae JongSuk

Publication year - 2006

Publication title -

etri journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.295

H-Index - 46

eISSN - 2233-7326

pISSN - 1225-6463

DOI - 10.4218/etrij.06.0205.0082

Subject(s) - standing wave ratio , planar , loop antenna , ultra high frequency , radio frequency identification , antenna (radio) , electrical engineering , dipole antenna , acoustics , coaxial antenna , microstrip antenna , computer science , engineering , physics , computer graphics (images) , computer security

This letter presents the design for a low‐profile planar inverted‐F antenna (PIFA) that can be stuck to metallic objects to create a passive radio frequency identification (RFID) tag in the UHF band. The designed PIFA, which uses a dielectric substrate for the antenna, consists of a U‐slot patch for size reduction, several shorting pins, and a coplanar waveguide feeding structure to easily integrate with an RFID chip. The impedance bandwidth and maximum gain of the tag antenna are about 0.3% at 914 MHz for a voltage standing wave ratio (VSWR) of less than 2 and 3.6 dBi, respectively. The maximum read range is about 4.5 m as long as the tag antenna is on a metallic object.

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