Design of Circularly Polarized Low-Profile Antenna for Radiating Parallel to Ground Plane
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概要
- 論文の詳細を見る
This paper presents a low-profile printed antenna with double U-shaped arms radiating circular polarization for the UHF RFID readers. The proposed antenna consists of double U-shaped strip structures and a capacitive feeding line to generate circular polarization. A part of the U-shaped arms is bent by 90° to direct the main beam parallel to the ground plane. From the results, -10-dB ∣S_<11> ∣ and 3-dB axial ratio of the antenna cover a typical UHF RFID band from 920 MHz to 925 MHz. The bidirectional beam is obtained with the maximum gain of 1.8 dBic in the parallel direction to the ground plane at the 925 MHz. The overall size of the proposed antenna including ground plane is 107 mm×57 mm×12.8 mm.
- 一般社団法人電子情報通信学会の論文
- 2014-01-15
著者
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Phongcharoenpanich Chuwong
Faculty Of Engineering & Research Center For Communications And Information Technology King Mong
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FUKUSAKO Takeshi
Graduate School of Science & Technology, Kumamoto University
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LERTSAKWIMARN Kittima
Faculty of Engineering, King Mongkut's Institute of Technology Ladkrabang
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- Design of Circularly Polarized Low-Profile Antenna for Radiating Parallel to Ground Plane