Method and apparatus for error detection in digital communications
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United States of America Patent
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Jan 2, 2001
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N/A
app pub date -
Mar 21, 1997
filing date -
Mar 29, 1996
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Abstract
An encoder encodes digital signals representative of data by classifying the digital signals into first and second classes indicative of their influence on data quality and subjects them to error detection encoding capable of generating at least two error detection codes which respectively correspond to the first and second classes. A decoder receives the encoded digital signals classified into first and second digital signal classes, decodes the error detection codes, and generates error signals, corresponding to the respective digital signal classes, from which the quality of the received digital signals is estimated and the utility of the received digital signals is determined.
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