Title :
Local positioning with passive UHF RFID transponders
Author :
Heidrich, Juergen ; Brenk, Daniel ; Essel, Jochen ; Fischer, Georg ; Weigel, Robert ; Schwarzer, Stefan
Author_Institution :
Inst. of Electron. Eng., Univ. of Erlangen-Nuremberg, Erlangen, Germany
Abstract :
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.
Keywords :
CMOS integrated circuits; UHF devices; backscatter; distance measurement; microprocessor chips; radiofrequency identification; transponders; CMOS technology; chip design; distance measurement; local positioning; modulated backscattering; passive UHF RFID transponder; size 0.14 mum; Backscatter; Conferences; Frequency; Microwave Theory and Techniques Society; Passive RFID tags; Radiofrequency identification; Transmitting antennas; Transponders; UHF antennas; Voltage-controlled oscillators; FMCW; RFID; UHF transponder; local positioning; modulated backscattering; radio frequency identification;
Conference_Titel :
Wireless Sensing, Local Positioning, and RFID, 2009. IMWS 2009. IEEE MTT-S International Microwave Workshop on
Conference_Location :
Cavtat
Print_ISBN :
978-1-4244-5060-2
Electronic_ISBN :
978-1-4244-5062-6
DOI :
10.1109/IMWS2.2009.5307861
