Series-fed Dipole Array for Near-field RFID Application

Authors

  • Yi Wang College of Electronic and Information Engineering Nanjing University of Aeronautics and Astronautics, Nanjing, China
  • Laiwei Shen School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China
  • Cheng Huang School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China
  • Jianping Zhu School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China
  • Wanchun Tang 1 Jiangsu Province Engineering Laboratory of Audio Technology, School of Physics and Technology Nanjing Normal University, Nanjing, China 2 Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application Nanjing, China

Keywords:

Near-field, radio frequency identification, series-fed

Abstract

In this paper, the series-fed dipole array is proposed and studied for near-field radio frequency identification (RFID) applications. The dipole array is composed of several dipoles with a series feed line. Closed form expressions for current distribution and near-field distribution are presented in this paper. To verify the feasibility of this kind of antenna as a reader antenna in near-field ultra-high frequency (UHF) RFID, a prototype that contains three dipoles is designed, fabricated and tested. The theoretic analysis, simulations and experiments agree well and it is shown that the series-fed dipole array is capable of generating strong magnetic field over a rectangular area, which is very useful in near-field UHF RFID applications.

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References

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Published

2021-07-18

How to Cite

[1]
Yi Wang, Laiwei Shen, Cheng Huang, Jianping Zhu, and Wanchun Tang, “Series-fed Dipole Array for Near-field RFID Application”, ACES Journal, vol. 33, no. 11, pp. 1190–1195, Jul. 2021.

Issue

2018: Vol 33 Iss 11

Section

Articles