Data retrieval from a storage device using a combined error correction and detection approach
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United States of America Patent
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Apr 23, 2013
Grant Date -
Dec 25, 2008
app pub date -
Aug 28, 2008
filing date -
Jan 14, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
One or more methods and systems of effectively retrieving data stored in a media of a storage device are presented. The one or more methods and systems are implemented by way of correcting and detecting errors using a multi-stage decoding process. In one embodiment, the storage device comprises a magnetic hard drive. In one embodiment, the system and method applies an encoding/decoding technique that allows error correction and detection to be performed over a number of successive decode stages or processing stages. Use of the system and method increases the maximum number of symbol errors that may be corrected in an encoded codeword, providing an improvement in data recovery.
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