Method of reducing miscorrections in a post-processor using column parity checks
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United States of America Patent
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Jan 10, 2006
Grant Date -
Jun 5, 2003
app pub date -
Nov 20, 2001
filing date -
Nov 20, 2001
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Abstract
The present invention is a method and system for reducing miscorrections of data in a post-processor. In an embodiment of the invention, the system and method may compare a result of an exact match function and a metric for each row of a reconstructed data block to determine if a correction should be made. An algorithm for performing an exact match function may include a column parity check syndrome, a matched filter error syndrome, and an error mask of the present invention. If a result of an exact match function is an exact match, a priority of correction may be given to the row in which the exact match was produced.
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