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Method for accurate estimation of noise for data modems

  • US 20050135466A1
  • Filed: 12/18/2003
  • Published: 06/23/2005
  • Est. Priority Date: 12/18/2003
  • Status: Active Grant
First Claim
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1. A method for accurate estimation of noise for data modems, said method comprising the steps of:

  • a) defining a pre-determined limit of a calculated variance;

    b) collecting data having said calculated variance;

    c) applying a correction factor to said calculated variance every time said calculated variance is more than said pre-determined limit; and

    d) deriving a true variance of the data by using curve fitting.

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