Planar wire-type inverted-F RFID tag antenna mountable on metallic objects

Abstract
In this paper we present and discuss the development and performance of planar wire-type inverted-F antenna (IFA) for passive RFID tag applications. This antenna design is mountable on metallic objects and can be used in RFID applications. Studies in different fields of RFID and its applications and antenna performance have been carried out at Tampere University of Technology and MIT Auto-ID Lab (P. Raumonen et al., IEEE Int. Antennas and Propag. Symp., 2003; L. Ukkonen et al., Fourth Finnish Wireless Comm. Workshop, 2003; J. Waldrop et al., IEEE Int. Conf. on Comm., 2003; S. Sarma et al, Micro, IEEE, volume 21, issue 6, 2001) and other universities recently. The IFA represents the first low-profile antenna designed for passive RFID applications on metalized objects.

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