A UHF frontend for MIMO applications in RFID

Authors:
Robert Langwieser;Christoph Angerer;Arpad L. Scholtz
Affiliations:
Institute of Communications and Radio-Frequency Engineering, Vienna University of Technology, Austria;Institute of Communications and Radio-Frequency Engineering, Vienna University of Technology, Austria;Institute of Communications and Radio-Frequency Engineering, Vienna University of Technology, Austria
Venue:
RWS'10 Proceedings of the 2010 IEEE conference on Radio and wireless symposium
Year:
2010

Citing 2
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Abstract

The introduction of multi antenna applications in radio frequency identification (RFID) is expected to further improve the capability of RFID systems but requires new or extended simulation and experimental setups. This paper describes a developed analog 2×2 multiple input multiple output (MIMO) frontend for an RFID rapid prototyping system which allows for various realtime experiments to investigate MIMO techniques as beamforming, diversity combining, or localization at the reader. Finally, a measurement example with one transmitter and two receivers is presented for two different tag positions.