Title :
Matching Techniques for Miniaturized UHF RFID Loop Antennas
Author :
Im, Yun-Taek ; Kim, Jea-Hee ; Park, Wee-Sang
Author_Institution :
Electr. Eng. Dept., Pohang Univ. of Sci. & Technolgoy (POSTECH), Pohang
fDate :
7/1/1905 12:00:00 AM
Abstract :
Two types of matching techniques are proposed for the UHF RFID antennas in Korea. One is to create dual-resonance mode inside loop antenna, and the other is to use folded dipole loop antenna with capacitive loading. The measured maximum gains are -2.9 and 1.8 dBi, respectively. In both cases, the measured bandwidths are 6 and 8 MHz. The proposed antenna has achieved 80% size reduction compared with a one-wavelength long loop antenna.
Keywords :
dipole antennas; loop antennas; radiofrequency identification; RFID loop antennas; bandwidth 6 MHz; bandwidth 8 MHz; capacitive loading; dipole antenna; dual-resonance mode; matching techniques; miniaturized UHF loop antennas; Loop antenna; matching; radio frequency identification (RFID); small antenna;
Journal_Title :
Antennas and Wireless Propagation Letters, IEEE
DOI :
10.1109/LAWP.2009.2014399
