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Multistatic Antenna Configuration For Radio Frequencey Identification (RFID) Systems

  • US 20090231105A1
  • Filed: 05/29/2009
  • Published: 09/17/2009
  • Est. Priority Date: 03/01/2005
  • Status: Active Grant
First Claim
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1. A radio frequency identification (RFID) reader, comprising:

  • a plurality of antennae;

    a radio frequency (RF) source for signal transmission;

    a receiver to receive backscattered modulated signals from at least one RFID tag; and

    a timing circuit coupled with the receiver, wherein the timing circuit is configured to determine a signal propagation delay between at least two of the plurality of antennae.

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