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RFID READER SYSTEMS WITH DIGITAL RATE CONVERSION

  • US 20080046492A1
  • Filed: 01/11/2007
  • Published: 02/21/2008
  • Est. Priority Date: 05/19/2006
  • Status: Abandoned Application
First Claim
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1. A method for an RFID reader system using digital rate conversion for timing recovery, the method comprising:

  • receiving a tag response signal waveform;

    obtaining sample values of the tag response signal waveform at sample time points;

    reconstructing signal values at target time points from the sample values by computing a desired time variant fractional delay;

    outputting the reconstructed signal values; and

    further processing the output signal values.

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