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Local positioning with passive UHF RFID transponders

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6 Author(s)
Heidrich, J. ; Inst. of Electron. Eng., Univ. of Erlangen-Nuremberg, Erlangen, Germany ; Brenk, D. ; Essel, J. ; Fischer, G.
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This paper describes the theory of distance measurements with passive UHF transponders using the principle of modulated backscattering. The method was evaluated with the analogue frontend of a passive RFID chip for the UHF range. The chip was designed in a 0.14mum CMOS technology.

Published in:

Wireless Sensing, Local Positioning, and RFID, 2009. IMWS 2009. IEEE MTT-S International Microwave Workshop on

Date of Conference:

24-25 Sept. 2009