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A Circular Polarization Antenna Design for Improving the Reception of UHF RFID Reader

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Abstract

This study designed a novel circular polarization antenna for a UHF bandwidth RFID reader. The performance tests of the antenna designed exhibit that return loss (S11) was about −45.529 db at 914 MHz, which is relatively small, and antenna gain was about 9.09 dbi. It was also confirmed that 50 Ω impedance matching was about 50.48 Ω and it can be applied for every RFID system. Therefore, the design enables to have higher gain of circular polarization antenna by improving the reception which is one of the most important parameters of the RFID reader and is expected to be extensively used in recognizing multi-tag in the distance.

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Authors and Affiliations

  1. Department of Silver Care Welfare, Jeonnam Provincial College, South Jeolla, Korea

    Jonghun Chun

  2. Department of Computer Engineering, Chosun University, Gwangju, South Korea

    Hyunsook Chung

  3. Department of Information & Communications Engineering, Chosun University, Gwangju, South Korea

    Jongan Park

Authors
  1. Jonghun Chun
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  2. Hyunsook Chung
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  3. Jongan Park
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Corresponding author

Correspondence to Hyunsook Chung.

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Chun, J., Chung, H. & Park, J. A Circular Polarization Antenna Design for Improving the Reception of UHF RFID Reader. Wireless Pers Commun 60, 389–404 (2011). https://doi.org/10.1007/s11277-011-0297-4

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  • DOI: https://doi.org/10.1007/s11277-011-0297-4

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