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COMMUNICATION SIGNAL SYMBOL TIMING ERROR DETECTION AND RECOVERY

  • US 20080240221A1
  • Filed: 03/26/2008
  • Published: 10/02/2008
  • Est. Priority Date: 03/30/2007
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a band-edge filtering arrangement operable to receive as inputs samples of a received communication signal, and to provide a filtered output signal comprising band edges of the samples, the received communication signal comprising symbols and the samples comprising samples of the communication signal according to receive symbol timing;

    a down converter operatively coupled to the band-edge filtering arrangement and operable to convert the filtered output signal to baseband; and

    a symbol timing phase error calculator operatively coupled to the down converter and operable to calculate a phase error of the receive symbol timing based on the down converted baseband signal.

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