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Reducing mutual coupling in chipless rfid tags composed of U‐folded dipole scatterers
Author(s) -
Machac Jan,
Polivka Milan,
Svanda Milan,
Havlicek Jaroslav
Publication year - 2016
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.30138
Subject(s) - chipless rfid , dipole , topology (electrical circuits) , coupling (piping) , physics , amplitude , microwave , encoding (memory) , radar cross section , electronic engineering , computer science , acoustics , engineering , optoelectronics , optics , electrical engineering , resonator , telecommunications , scattering , artificial intelligence , mechanical engineering , quantum mechanics
We propose a novel chipless RFID tag composed of topologically modified uniplanar U‐folded dipoles with inclined arms. This topology reduces the interelement mutual coupling and provides a significantly better amplitude uniformity and frequency stability of tag RCS response when logical “ 0 ” is coded by removing particular scatterers from the array. Simultaneously, it provides a higher encoding capacity in unit frequency range than the arrays composed of original U‐folded dipoles with parallel arms, yet at the expense of small RCS magnitude reduction.© 2016 Wiley Periodicals, Inc. Microwave Opt Technol Lett 58:2723–2725, 2016
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