Dual frequency circularly polarized microstrip antenna for RFID reader application (アンテナ・伝播)

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概要

• 論文の詳細を見る

• A dual frequency circularly polarized microstrip antenna is proposed for UHF (950 MHz) and microwave (2.45 GHz) RFID Reader applications. By properly combined circularly polarized square ring slot structure into well known circularly polarized truncated square patch antenna, a dual-frequency circularly polarized microstrip antenna are presented. This antenna is fed by a modified L-probe. The analysis and design of the proposed antenna have been performed using the full-wave electromagnetic simulator IE3D. From the calculation, the proposed antenna patch size is reduced by about 14% compared to the well-known truncated corner circularly polarized square patch antenna at a given frequency. Good return loss are achieved for the both band, although the axial ratio bandwidth is narrow.

• 社団法人電子情報通信学会の論文
• 2008-05-08

著者

• Hasibuan Henry

  Graduate School Of Science And Technology Nagasaki University

• Taguchi Mitsuo

  Faculty Of Engineering Nagasaki University

• TAKAHASHI Mie

  NEC System Technologies, Ltd.

• Takahashi Mie

  Nec System Technologies Ltd.

関連論文

• Dual frequency circularly polarized microstrip antenna for RFID reader application (アンテナ・伝播)

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