Design Methods for 3D RFID Antennas Located on a Conducting Ground Plane | Zendy

Amir Galehdar | Zendy; David V. Thiel | Zendy; Steven G. O'Keefe | Zendy

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Design Methods for 3D RFID Antennas Located on a Conducting Ground Plane

Author(s) -

Amir Galehdar,

David V. Thiel,

Steven G. O'Keefe

Publication year - 2009

Publication title -

ieee transactions on antennas and propagation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.652

H-Index - 200

eISSN - 1558-2221

pISSN - 0018-926X

DOI - 10.1109/tap.2008.2011227

Subject(s) - fields, waves and electromagnetics , aerospace , transportation , components, circuits, devices and systems

Based on 2D meander line methods, $3\times 3\times 3$ point, symmetrical, 3D dipole antennas structure was investigated exhaustively to identify those configurations with the highest efficiency and lowest resonant frequency for a fixed length. Maximum efficiency and input impedance occurs when adjacent high current segments in the antenna are oppositely directed. The optimal antenna structure was compressed and the effect of a nearby conducting plane was investigated. The meander line structure greatly improves antenna performance with a resonant frequency of 498 MHz and an efficiency of 62% when located on a conducting ground plane.

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