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DC offset compensation

  • US 6,950,479 B2
  • Filed: 10/15/2001
  • Issued: 09/27/2005
  • Est. Priority Date: 10/16/2000
  • Status: Active Grant
First Claim
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1. A method of estimating a DC offset level of an input signal having a preamble part and a data part, the method comprising:

  • during reception of a preamble part of an input signal, using an estimation method which does not rely on a DC-free signal to estimate the DC offset value of the input signal; and

    during reception of a data part of the input signal, which data part follows the preamble part of the signal, using a different estimation method which relies on a DC-free signal to estimate the DC offset value of the input signal.

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