Shunt resistance variation for a constant power supply in UHF RFID tags

Authors:
E. Colin;A. Moretto;S. Abou Chakra;C. Ripoll
Affiliations:
LRIT, ESIGETEL, Avon, France;LRIT, ESIGETEL, Avon, France;ECE, Hariri Canadian University, Beirut, Lebanon;ESYCOM - ESIEE, Université Paris-Est, Noisy Le Grand, France
Venue:
WiCOM'09 Proceedings of the 5th International Conference on Wireless communications, networking and mobile computing
Year:
2009

Citing 1
Cited 0

UHF RFID tag-antenna matching optimization using VHDL-AMS behavioral modeling

Analog Integrated Circuits and Signal Processing

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Abstract

In the case of short reader-to-tag distances, shunt resistance diverts current in order to protect the chip but this affects the chip power supply and the Delta Radar Cross Section. This paper presents a shunt resistance law variation which keeps a constant power supply in the RFID chip and the impact of this law on the Delta Radar Cross Section.