INTER-CELL INTERFERENCE ALGORITHMS FOR SOFT DECODING OF LDPC CODES
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United States of America Patent
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Issued Date -
Dec 17, 2015
app pub date -
Aug 24, 2015
filing date -
Dec 23, 2011
priority date (Note) -
Abandoned
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Abstract
Aspects of the subject technology relate to a method for reading information stored in a flash memory device. In some implementations, the method can include steps including, obtaining a first read signal of a first cell, wherein the first cell is located in a first word line and in a first bit line in the flash memory device, obtaining a programming level of a second cell, wherein the second cell is located in a second word line and in the first bit line, and wherein the second word line is adjacent to the first word line. In certain aspects, the method may further comprise steps for obtaining decoding information for the first cell based on the programming level of the second cell, wherein the decoding information is derived from a first set of reference voltage distributions corresponding to the obtained programming level of the second cell. A data storage system and a non-transitory machine readable storage medium are also provided.
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