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A miniaturized electronic beam-scanning phased-array antenna for radio-frequency identification (RFID) applications

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3 Author(s)
Chih-Lin Chang ; Dept. of Electron. Eng., Nat. Taiwan Univ. of Sci. & Technol., Taipei, Taiwan ; Chi-Hsing Wu ; Chao-Hsiung Tseng

This paper presents a miniaturized electronic beam-scanning phased-array antenna for ultra-high-frequency (UHF) radio-frequency identification (RFID) applications. The developed antenna consists of two dipole antennas and a beam-scanning network, which is composed by two reflection-type phase shifters and a power divider. To reduce the fabrication cost, the circuit sizes of the beam-scanning components are miniaturized using shunt-stub-based artificial transmission lines. The measured results of the developed phased-array antenna are in good agreement with the calculated results by the antenna array theory.

Published in:

Anti-Counterfeiting, Security and Identification (ASID), 2012 International Conference on

Date of Conference:

24-26 Aug. 2012