Mis-correction and no-correction rates for error control
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United States of America Patent
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Aug 12, 2014
Grant Date -
Nov 28, 2013
app pub date -
May 24, 2012
filing date -
May 24, 2012
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Abstract
An embodiment is a method for encoding data with an error correction code. The method includes receiving a first number of data symbols by a memory controller, receiving a second number of meta-data sub-symbols, generating a third number of check symbols using an ECC, where the third number includes a difference between a number of symbols in an ECC codeword and the first number and generating a mismatch vector from the check and meta-data sub-symbols, where a number of sub-symbols of the mismatch vector includes the second number. The method also includes generating an adjustment syndrome symbol by multiplying the mismatch vector by a matrix, generating the third number of adjusted check symbols responsive to the adjustment syndrome symbol, and generating a final codeword by concatenating the adjusted check symbols and the data symbols, where the final codeword includes the number of symbols in the ECC codeword.
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