Impact of GSM Interference on passive UHF RFIDs

Konferenz: Smart SysTech 2015 - European Conference on Smart Objects, Systems and Technologies
16.07.2015 - 17.07.2015 in Aachen, Germany

Tagungsband: Smart SysTech 2015

Seiten: 7Sprache: EnglischTyp: PDF

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Autoren:
Brunner, Benjamin; Pfeiffer, Florian (perisens GmbH, Lichtenbergstr. 8, 85748 Garching near München, Germany)
Finkenzeller, Klaus (Giesecke & Devrient GmbH, Prinzregentenstr. 159, 81677 München, Germany)
Biebl, Erwin (Fachgebiet Höchstfrequenztechnik, Technische Universität München, Arcisstr. 21, 80333 München, Germany)

Inhalt:
This paper presents an interference analysis considering the impact of GSM uplink signals on passive UHF transponders in accordance of the ISO/IEC 18000-6 standard, both operating in a similar frequency band. The GSM uplink signal (from the mobile device to the base station) is particularly critical as interferer, as the mobile device can be located close to a transponder system e.g. several persons having a phone call close to a subway ticketing system. The measurements were conducted with GSM interferer signals generated by an RF signal generator and a programmable GSM mobile phone. February 17, 2015.