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In this paper, we propose a high-gain circularly-polarized (CP) dual-band antenna array for UHF (902-928 MHz) and microwave band (2.4-2.5 GHz) RFID applications. The proposed antenna consists of dual-ring radiators excited through apertures as the basic element. A 2-by-2 array formed by sequentially-rotated configuration exhibited 8 dBic gain at UHF band and 10 dBic gain at microwave band. Very good CP performance with axial ratio less than 1 dB was achieved at both bands.
Published in:
Electromagnetics; Applications and Student Innovation (iWEM), 2012 IEEE International Workshop on
Date of Conference: 6-9 Aug. 2012
- Page(s):
- 1 - 2
- E-ISBN :
- 978-1-4673-2998-9
- Print ISBN:
- 978-1-4673-3000-8
- INSPEC Accession Number:
- 13057780
- Conference Location :
- Chengdu, Sichuan
- Digital Object Identifier :
- 10.1109/iWEM.2012.6320353
- Product Type:
- Conference Publications
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