Controller and operating method for performing read operation to read data in memory device저밀도 패리터검사부호의 패턴기반 비트반전 복호알고리즘

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A controller is provided to include a processor reading data from a memory device, and a decoder receiving the data and decoding the data, the data being represented with check nodes and variable nodes. The decoder includes a check unit calculating syndrome values, a calculation unit receiving the decision values of the variable nodes and calculating flipping function values, a setting unit receiving the flipping function values and generating a candidate vector by dividing the flipping function values into groups and selecting at least some maximum values from the groups, the setting unit setting a flipping function threshold value, and a flipping unit receiving the flipping function threshold value, comparing the flipping function values of the variable nodes with the flipping function threshold value, and flipping a decision value of a target variable node having a greater flipping function value than the flipping function threshold value.
Assignee
KAIST, SK hynix Inc.
Country
US (United States)
Application Date
2019-12-16
Application Number
16716149
Registration Date
2021-08-17
Registration Number
11095316
URI
http://hdl.handle.net/10203/287636
Appears in Collection
EE-Patent(특허)
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