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Transmit diversity pilot processing

  • US 20030206601A1
  • Filed: 05/06/2002
  • Published: 11/06/2003
  • Est. Priority Date: 05/06/2002
  • Status: Active Grant
First Claim
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1. An apparatus, comprising:

  • a sum estimator for producing an estimate of the sum of a primary channel and a diversity channel in response to a received symbol;

    a difference estimator for producing an estimate of the difference of the primary channel and the diversity channel in response to a received symbol;

    a controller for updating the sum estimator when the received symbol comprises a sum of the primary and diversity channels and for updating the difference estimator when the received symbol comprises a difference of the primary and diversity channels; and

    a parameter estimator for producing a primary channel estimate and a diversity channel estimate from the estimate of the sum and the estimate of the difference of the primary and diversity channels.

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