Impact of GSM Interference on passive UHF RFIDs

Conference: Smart SysTech 2015 - European Conference on Smart Objects, Systems and Technologies
07/16/2015 - 07/17/2015 at Aachen, Germany

Proceedings: ITG-Fb. 259: Smart SysTech 2015

Pages: 7Language: englishTyp: PDF

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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)

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.