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Method and apparatus for determining with high resolution the fidelity of information received on a communications channel

  • US 5,553,243 A
  • Filed: 01/07/1994
  • Issued: 09/03/1996
  • Est. Priority Date: 01/07/1994
  • Status: Expired due to Term
First Claim
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1. A method for determining a weighted average error dispersion of data signals received over a current communication channel, comprising:

  • (a) detecting a frame of information on the current communications channel that includes plural redundant messages;

    (b) determining a voted message from the redundant messages;

    (c) splitting each redundant message and the voted message into multi-bit words and determining a weighted value for each word;

    (d) summing the weighted values for each redundant message and the voted message to generate a corresponding checkword;

    (e) determining a weighted average error dispersion for the received communications signal based on the sum of the differences between the voted message checkword and each redundant message checkword; and

    (f) searching for another communications channel if the weighted average error dispersion is outside of a desired range.

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