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has been cited by the following article:

• TITLE: Analysis and Design of UHF Bow-Tie RFID Tag Antenna Input Impedance

  AUTHORS: D. A. Abd El-Aziz, T. G. Abouelnaga, E. A. Abdallah, M. El-Said, Yaser S. E. Abdo

  KEYWORDS: Bandwidth, Bow-Tie Antenna, Radio Frequency Identification (RFID), Ultra High Frequency (UHF)

  JOURNAL NAME: Open Journal of Antennas and Propagation, Vol.4 No.2, June 22, 2016

  ABSTRACT: In this paper two proposed methods of input impedance calculation for Bow-Tie antenna are introduced. The proposed methods show input impedance calculation with high accuracy. Also, design curves for input impedance values were developed depending on the geometry of antenna. The proposed design curves are used to design a Bow-Tie type RFID tag antenna. The input impedance of the tag antenna is calculated using proposed methods and compared with that obtained using CST studio suite 2014 and IE3D Zeland version 12.0 software packages. The results are investigated and discussed. The tag antenna is fabricated, measured and the obtained input impedance is compared with the simulation and the proposed methods. Good agreement among measured input impedance and that simulated by CST, IE3D or proposed methods is obtained.