发明授权
- 专利标题： Soft-decision input generation for data storage systems
- 专利标题（中）： 数据存储系统的软判决输入生成
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申请号： US13797923申请日： 2013-03-12
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公开(公告)号： US08924824B1公开(公告)日： 2014-12-30
- 发明人: Guangming Lu
- 申请人： Western Digital Technologies, Inc.
- 申请人地址： US CA Irvine
- 专利权人： Western Digital Technologies, Inc.
- 当前专利权人： Western Digital Technologies, Inc.
- 当前专利权人地址： US CA Irvine
- 主分类号： H03M13/00
- IPC分类号： H03M13/00 ; G06F11/10
摘要：
An error management system for a data storage device can generate soft-decision log-likelihood ratios (LLRs) using multiple reads of memory locations. 0-to-1 and 1-to-0 bit flip count data provided by multiple reads of reference memory locations can be used to generate probability data that is used to generate possible LLR values for decoding target pages. Possible LLR values are stored in one or more look-up tables.
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