Error detection structure and method using partial polynomial check
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United States of America Patent
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Jun 14, 1994
Grant Date -
N/A
app pub date -
Jan 16, 1991
filing date -
Jan 16, 1991
priority date (Note) -
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Abstract
The present invention provides a means and method of generating a long error checking polynomial remainder having the ability to detect errors with high reliability and inserting only a subset of the polynomial remainder periodically into a data stream, then at the receiving end recalculating the polynomial remainder and checking the inserted subset for errors. The polynomial has the property that the current remainder value is a function of all data previously transmitted in a transmission session. The subset transmitted also preferably has this property. A longer subset of the polynomial remainder, or the full polynomial remainder, may be inserted less frequently, and is preferably sent and tested at the end of the transmission session.
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