DocumentCode
1423629
Title
Low-Profile Meandered Patch Antennas for RFID Tags Mountable on Metallic Objects
Author
Chen, Horng-Dean ; Tsao, Yu-Hung
Author_Institution
Dept. of Optoelectron. & Commun. Eng., Nat. Kaohsiung Normal Univ., Kaohsiung, Taiwan
Volume
9
fYear
2010
fDate
7/2/1905 12:00:00 AM
Firstpage
118
Lastpage
121
Abstract
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.
Keywords
UHF antennas; antenna radiation patterns; microstrip antennas; radiofrequency identification; antenna gain; half-wavelength radiating elements; low profile meandered patch antennas; ultrahigh frequency band radio frequency identification tags; Patch antenna; radio frequency identification (RFID); tag antenna;
fLanguage
English
Journal_Title
Antennas and Wireless Propagation Letters, IEEE
Publisher
ieee
ISSN
1536-1225
Type
jour
DOI
10.1109/LAWP.2010.2043711
Filename
5419020
Link To Document