RFID reader with multi antenna physical layer collision recovery receivers

  title={RFID reader with multi antenna physical layer collision recovery receivers},
  author={Jelena Kaitovic and Robert Langwieser and Markus Rupp},
  journal={2011 IEEE International Conference on RFID-Technologies and Applications},
Radio Frequency Identification (RFID) is a wireless identification technology which often operates in environments with multiple RFID tags. Already introduced multiple antenna receivers can recover from a collision of up to M tags as long as M is less than the number of receive antennas and the channel is known at the receiver. This paper proposes a Zero-Forcing (ZF) and a Minimum Mean Square Error (MMSE) receiver which allows the separation of up to M=2NR tags, where NR is the number of… CONTINUE READING
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EPC Radio-Frequency Identity Protocols Class-1 Generation-2 UHF RFID

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  • [Online]. Available: http://www.epcglobalinc.org.
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