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Method and apparatus for line probe signal processing

  • US 6,829,293 B2
  • Filed: 01/16/2001
  • Issued: 12/07/2004
  • Est. Priority Date: 01/16/2001
  • Status: Expired due to Fees
First Claim
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1. A method for processing a line probe signal to determine a data communication rate for a data transmission line, the method comprising;

  • receiving a sequence signal over the data transmission line wherein the line probe signal comprises a maximal length sequence signal;

    filtering the received sequence signal;

    crosscorrelating the filtered sequence signal to obtain a signal generally similar to the line'"'"'s impulse response;

    establishing a target signal to noise ratio for data transmission over the line;

    computing a rate of data transmission, based on the signal generally similar to the line'"'"'s impulse response, that yields a signal to noise ratio not less than the target signal to noise ratio.

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