METHOD OF DETECTING AND CORRECTING ERRORS WITH BCH AND LDPC ENGINES FOR FLASH STORAGE SYSTEMS
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United States of America Patent
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Jan 8, 2015
app pub date -
Jul 3, 2013
filing date -
Jul 3, 2013
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Abstract
A method of detecting and correcting errors with BCH and LDPC engines for flash storage systems is provided and the steps of the method comprise: deciding the number i of sub-channels CH1˜CHi divided from the data channel depending on requirement; deriving the width selection of each sub-channel CHi; checking if the sum of width of each sub-channel CHi is equal to the length of the original channel 20 or not; if yes, run next step; if not, go back to the previous step and try again; and connecting each sub-channel CHi to a corresponding one of n BCH engines BCHn or a corresponding one of m LDPC engines Lm with a bus by one-by-one mapping, wherein i=n+m.
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