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Channel equalizing and carrier recovery system for home phoneline networking alliance receiver and method thereof

  • US 20030231708A1
  • Filed: 04/15/2003
  • Published: 12/18/2003
  • Est. Priority Date: 06/15/2002
  • Status: Active Grant
First Claim
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1. An adaptive channel equalizing system for a home phoneline networking alliance (HomePNA) receiver, the channel equalizing system comprising:

  • a frequency diverse quadrature amplitude modulation (FD-QAM) equalizer for determining FD-QAM tap coefficients and equalizing an FD-QAM signal input into the adaptive channel equalizing system; and

    a quadrature amplitude modulation (QAM) equalizer for receiving the FD-QAM signal determines QAM tap coefficients during a predetermined header period, and continuously updating the QAM tap coefficients during a predetermined payload period to equalize the QAM signal upon receiving the QAM signal.

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