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A Circular Polarized Metallic Patch Antenna for RFID Reader

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3 Author(s)
Jong Moon Lee ; Electronics and Telecommunications Research Institute (ETRI) 161 Gajeong-dong, Yuseong-Ku, Daejeon, 305-350, Korea Tel.: +82-42-860-4855, FAX.: +82-42-860-5199, E-mail: ; Nae Soo Kim ; Cheol Sig Pyo

A novel single feed circularly polarized metallic patch antenna for RFID reader is proposed. The proposed antenna has a simple structure, it has corner truncated square patch, ground plane and a probe feed. In addition to structure of the proposed antenna is simple and low cost. Experimental results of a constructed prototype with the center operating frequency at 911 MHz showed that the antenna has an impedance bandwidth (2:1 VSWR) of about 23 MHz, a 3 dB axial ratio of about 9 MHz, and a gain level of about 9 dBi

Published in:

2005 Asia-Pacific Conference on Communications

Date of Conference:

5-5 Oct. 2005