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This letter presents novel meandered patch antennas that are designed for ultrahigh frequency (UHF) band radio frequency identification (RFID) tags mountable on metallic objects. The antenna has a low-profile structure (0.8 mm thick). Meandering a long patch into several half-wavelength radiating elements makes the surface currents of all radiating elements in phase, thus achieving an enhanced antenna gain and a good reading range performance. In addition, the proposed antennas mounted on a 400 ?? 400 mm2 metal plate are studied. Little effect of the metal-plate size on the reading range is obtained.
Published in:
Antennas and Wireless Propagation Letters, IEEE
(Volume:9
)
Date of Publication: 2010
- Page(s):
- 118 - 121
- ISSN :
- 1536-1225
- INSPEC Accession Number:
- 11177510
- Digital Object Identifier :
- 10.1109/LAWP.2010.2043711
- Product Type:
- Journals & Magazines
- Date of Publication :
- 22 February 2010
- Date of Current Version :
- 15 March 2010
- Issue Date :
- 2010
- Sponsored by :
- IEEE Antennas and Propagation Society
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