发明授权
US09202518B2 Combined soft detection/soft decoding in tape drive storage channels
有权
在磁带机存储通道中组合软检测/软解码
- 专利标题: Combined soft detection/soft decoding in tape drive storage channels
- 专利标题(中): 在磁带机存储通道中组合软检测/软解码
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申请号: US13762216申请日: 2013-02-07
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公开(公告)号: US09202518B2公开(公告)日: 2015-12-01
- 发明人: Roy D. Cideciyan , Robert A. Hutchins , Thomas Mittelholzer , Sedat Oelcer
- 申请人: International Business Machines Corporation
- 申请人地址: KY Grand Cayman
- 专利权人: GLOBALFOUNDRIES Inc.
- 当前专利权人: GLOBALFOUNDRIES Inc.
- 当前专利权人地址: KY Grand Cayman
- 代理机构: Zilka-Kotab, PC
- 主分类号: H03M13/11
- IPC分类号: H03M13/11 ; G11B20/18 ; H03M13/13 ; H03M5/14 ; H03M13/29 ; H03M13/39 ; H03M13/00 ; G11B5/008 ; G11B20/10
摘要:
In one embodiment, a method includes executing a first forward loop of a detection algorithm on a block of signal samples during a first time interval, executing a first reverse loop of the detection algorithm on the block during a second time interval to produce first soft information, executing a decoding algorithm on the block during a third time interval using the first soft information to produce second soft information, executing a second forward loop of the detection algorithm on the block during a fourth time interval using the second soft information, executing a second reverse loop of the detection algorithm on the block during a fifth time interval to produce third soft information, executing the decoding algorithm on the block during a sixth time interval using the third soft information to produce a decoded block of signal samples, and outputting the decoded block of signal samples.
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