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Communication channel calibration for drift conditions

  • US 8,422,568 B2
  • Filed: 03/01/2012
  • Issued: 04/16/2013
  • Est. Priority Date: 01/28/2004
  • Status: Expired due to Term
First Claim
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1. A method for calibrating a parameter of a communication channel, the method comprising:

  • establishing an operation value for the parameter using a first calibration sequence transmitted across the communication channel;

    communicating data over the communication channel using the operation value;

    tracking adjustment information using second calibration sequences transmitted two or more times interspersed with said communicating data, across the communication channel;

    computing a drift value for the parameter using the adjustment information; and

    adjusting the operation value for the parameter using the drift value.

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