Low profile compact-slot antenna array for RFID applications: backscatter-tag identification and localization

Aberbour, Lyazid;Craeye, Christophe;Decostre, A.
(2008) 2008 IEEE Antennas and Propagation Society International Symposium and USNC/URSI National Radio Science Meeting — Location: San Diego, CA, USA (5.July.2008)

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Abstract
A Y-shape array, optimized for RFID backscatter-tag localization and identification in the UHF 869 MHz band, has been presented. The antenna-array element consists of a miniaturized slot antenna printed on a metallic box which, thanks to its non-resonant property, allows to keep an acceptable bandwidth while it lower the back radiation level and allows easy reconfiguration. Reducing the antenna thickness without reducing its occupied surface i.e. a slightly reduced radius of the sphere enclosing the antenna, does not drastically affect the antenna performances.
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Aberbour, L., Craeye, C., & Decostre, A. (2008). Low profile compact-slot antenna array for RFID applications: backscatter-tag identification and localization. 2008 IEEE Antennas and Propagation Society International Symposium and USNC/URSI National Radio Science Meeting, 4 pp. https://doi.org/10.1109/APS.2008.4619084