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- Title
Novel Electrically Small Meander Line RFID Tag Antenna.
- Authors
Sallam, Mai O.; Soliman, Ezzeldin A.; Vandenbosch, Guy A. E.; De Raedt, Walter
- Abstract
This article introduces a new RFID tag antenna designed for operation at 915 MHz. The proposed antenna is electrically small with dimensions (?0/15) × (?0/15). It features two vivaldi-like apertures flipped with respect to each other around an axis parallel to their slotted edges. Each aperture is loaded with a meander line with multiple loops. The two sides of the proposed antenna are fed via a common slot line that is coupled electromagnetically to a perpendicular microstrip line at the other side of a dielectric substrate. The new antenna are fabricated using printed circuit board technology and the fabricated prototype is experimentally characterized. The optimization and theoretical investigation of the proposed antenna are performed via both HFSS and CST. The two simulators agree very well with each other and with measurements. The characteristics of the new RFID antenna are generally good, such as: small size (22 mm2), low profile (0.8 mm), flexible impedance matching, reasonable impedance bandwidth (8%), omni-directional radiation, low cross-polarization level (-20 dB at broadside), acceptable radiation efficiency (76%), and gain (-0.3 dBi).
- Subjects
ANTENNA design; ELECTRIC impedance; BANDWIDTHS; MICROSTRIP transmission lines; RADIO frequency identification systems; ANTENNA radiation patterns; ELECTROMAGNETISM
- Publication
International Journal of RF & Microwave Computer-Aided Engineering, 2013, Vol 23, Issue 6, p639
- ISSN
1096-4290
- Publication type
Article
- DOI
10.1002/mmce.20699