Modeling and Design of Novel Structures for Multiband RFID Readers and Automotive RFID Tags
Anya Traille (1,2), Li Yang (2), and Manos M. Tentzeris (2)
(1) SEAL-GTRI, Georgia Tech, Atlanta, GA, USA, (2) GEDC, School of ECE, Georgia Tech, Atlanta, GA, USA
As RFID technologies mature, designing complex multistandard/universal RFID systems is becoming an increasingly difficult task, especially for “universal” operation in both UHF bands (433/900 MHz), as well as in different continents (subbands from 868-956 MHz). Especially RFID readers, that require compact size, good power handling capability and highly-efficient antenna systems, have to be modeled with full-wave techniques to account for the electromagnetic effects of closely-spaced components. This paper introduces the design and modeling of a novel circular-polarization multistandard antenna for UHF RFID readers. In addition, this paper discusses the full-wave modeling of RFID Tags in the proximity of automotives performing for the first time a system-level radiation pattern analysis due to neighboring cars and different RFID tag positions. Both simulations are performed with FEKO software.
24th Annual Review of Progress in Applied Computational Electromagnetics
2008
April
758-762
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