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Apparatus and method for adaptive forward error correction in data communications

  • US 5,699,365 A
  • Filed: 03/27/1996
  • Issued: 12/16/1997
  • Est. Priority Date: 03/27/1996
  • Status: Expired due to Term
First Claim
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1. A method for adaptive forward error correction in a data communication system, the data communication system having a communications medium, the communications medium having a plurality of communications channels, the method comprising:

  • (a) receiving encoded data over a first communications channel of the plurality of communications channels, the encoded data having a first degree of forward error correction of a plurality of degrees of forward error correction;

    (b) monitoring a channel parameter of the first communications channel to form a monitored parameter;

    (c) determining a threshold level of the channel parameter;

    (d) comparing the monitored parameter with the threshold level;

    (e) when the monitored parameter is not within a variance of the threshold level, selecting a second degree of forward error correction of the plurality of degrees of forward error correction; and

    (f) transmitting a forward error correction revision parameter on a second communications channel of the plurality of communications channels, the forward error correction revision parameter corresponding to the second degree of forward error correction.

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