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3-D transponder antennas for future SHF RFID applications

: Zichner, R.; Baumann, R.R.


Advances in radio science. Online journal 9 (2011), S.401-405
ISSN: 1684-9973
Kleinheubacher Tagung <2010, Miltenberg>
Zeitschriftenaufsatz, Konferenzbeitrag
Fraunhofer ENAS ()

The radio frequency identification (RFID) technology is omnipresent since a few years. Some of the most popular fields of application are the use for security tasks, for logistics and for the consumer segment. For example, chip card or key ring sized RFID transponders can allow wireless access to secured rooms. The number of applications for wireless data transmission for the identification and tracking of objects increases every year. There is a large development need for highly functional and inexpensive RFID transponders due to the ever-increasing demand on improved reliability, higher data rates and read and write ranges of the RFID systems. Therefore, research was performed on new 3-D transponder antennas for the Super High Frequency Band around 5.8 GHz. Additionally, wave propagation effects and the influence of different dielectric environments were considered. Parallel to the design of the novel antenna structures, the printing process for inexpensive manufacturing was investigated. The gained results are the basis for prospective RFID applications.