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Systems and methods for end-of-segment marker-based data alignment

A data processing system and data technology, applied in recording/reproducing/deleting methods, data recording, magnetic recording, etc., can solve problems such as data loss and synchronization marks that cannot be restored correctly

Active Publication Date: 2016-10-19
AVAGO TECH INT SALES PTE LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In some cases, sync markers were not restored correctly, resulting in data loss

Method used

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  • Systems and methods for end-of-segment marker-based data alignment
  • Systems and methods for end-of-segment marker-based data alignment
  • Systems and methods for end-of-segment marker-based data alignment

Examples

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Embodiment Construction

[0015] The present invention relates to systems and methods for data processing, and more particularly to systems and methods for data synchronization and detection.

[0016] Certain embodiments of the present invention provide a data processing system that includes a synchronization mark recognition circuit and an alignment circuit. The sync mark identification circuit is operable to: identify a sync mark pattern in the data input within a first time window to obtain a first sync find output, wherein the sync mark within the first time window is detected when the comparison index is less than a threshold and identifying a sync mark pattern in the data input within a second time window to obtain a second sync find output, wherein the sync mark is identified as a comparison indicator in the data input within the second time window in the second time window The position within the time window that is the lowest value and less than the threshold. The alignment circuit is operabl...

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Abstract

The present invention discloses systems and methods of data alignment based on end-of-segment markers, generally relates to systems and methods of data processing, and more particularly relates to systems and methods for data synchronization and detection.

Description

technical field [0001] The present invention relates to systems and methods for data processing, and more particularly to systems and methods for data synchronization and detection. Background technique [0002] Various data transmission systems have been developed, including storage systems, cellular telephone systems, and wireless transmission systems. Within each of these systems, data is transmitted from a sender to a receiver via some medium. For example, in a storage system, data is transferred from a sender (ie, write function) to a receiver (ie, read function) via a storage medium. The validity of any transmission is subject to the ability to recover the data originally provided. Such recovery typically involves the detection of synchronization marks indicating the location and timing of user data to be recovered. In some cases, sync marks cannot be restored correctly, resulting in data loss. [0003] Accordingly, for at least the reasons described above, there i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/06
CPCG11B5/59616G11B20/10222G11B5/59655G11B2220/2516G11B5/09G11B27/19G11B20/10296
Inventor 杨玉清杨少华王磊赵古
Owner AVAGO TECH INT SALES PTE LTD