Remotely powered addressable UHF RFID integrated system

This paper presents a fully integrated remotely powered and addressable radio frequency identification (RFID) transponder working at 2.45 GHz. The achieved operating range at 4 W effective isotropically radiated power (EIRP) base-station transmit power is 12 m. The integrated circuit (IC) is impleme...

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Bibliographic Details
Published in:IEEE journal of solid-state circuits 2005-11, Vol.40 (11), p.2193-2202
Main Authors: Curty, J.-P., Joehl, N., Dehollain, C., Declercq, M.J.
Format: Article
Language:English
Subjects:
Amplitude modulation
Amplitude shift keying
Antennas
Application specific integrated circuits
Applied sciences
Backscatter
Backscattering
Backscattering modulation
Circuits
Design. Technologies. Operation analysis. Testing
Electronic equipment and fabrication. Passive components, printed wiring boards, connectics
Electronics
Exact sciences and technology
Frequency
Integrated circuits
low power
low voltage
Modulation
passive transponder
Power transmission
Radio frequency identification
Radiofrequency identification
Readers
RFID
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Switches
Transponders
wireless power transmission
Wireless sensor networks
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Summary:This paper presents a fully integrated remotely powered and addressable radio frequency identification (RFID) transponder working at 2.45 GHz. The achieved operating range at 4 W effective isotropically radiated power (EIRP) base-station transmit power is 12 m. The integrated circuit (IC) is implemented in a 0.5 /spl mu/m silicon-on-sapphire technology. A state-of-the-art rectifier design achieving 37% of global efficiency is embedded to supply energy to the transponder. The necessary input power to operate the transponder is about 2.7 /spl mu/W. Reader to transponder communication is obtained using on-off keying (OOK) modulation while transponder to reader communication is ensured using the amplitude shift keying (ASK) backscattering modulation technique. Inductive matching between the antenna and the transponder IC is used to further optimize the operating range.
ISSN:0018-9200
1558-173X
DOI:10.1109/JSSC.2005.857352