CST – Computer Simulation Technology

Double Loop Matching Technique for Robust UHF RFID Tag Antennas
Mikko Heino, Jalmari Toivanen, Jari Holopainen, Ville Viikari
2014 IEEE, Antennas and Propagation Society International Symposium (APSURSI)
1st January 0001
1300 - 1301
UHF antennas loop antennas radiofrequency identification
This paper presents a double resonance UHF RFID antenna suitable for most capacitive chips. The antenna incorporates two inductive loops that facilitate broadband matching. The paper studies how different dimensions in the antenna affect the input impedance. It is shown that the input impedance can be tuned with three structural parameters. The wide impedance bandwidth of the antenna improves the antenna performance when the environment varies making it more robust.

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