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1. 发明授权

US08804260B2 Systems and methods for inter-track interference compensation 有权
标题翻译：轨道间干扰补偿的系统和方法
公开(公告)号：US08804260B2
公开(公告)日：2014-08-12
申请号：US13186174
申请日：2011-07-19
申请人： George Mathew , Jongseung Park , Shaohua Yang , Erich F. Haratsch , Ming Jin , Yuan Xing Lee
发明人： George Mathew , Jongseung Park , Shaohua Yang , Erich F. Haratsch , Ming Jin , Yuan Xing Lee
IPC分类号： G11B5/09
CPC分类号： G11B20/10046 , G11B5/012 , G11B5/09 , G11B19/045 , G11B20/10398 , G11B20/1217 , G11B2020/10759 , G11B2020/1232 , G11B2020/1298 , G11B2220/2516
摘要： Various embodiments of the present invention provide systems and methods for data processing. As an example, a data processing circuit is discussed that includes: a data buffer, an inter-track interference response circuit, and an inter-track interference signal estimator circuit. The data buffer is operable to store a previous track data set. The inter-track interference response circuit is operable to estimate an inter-track interference response from the previous track data set based at least in part on the previous track data set and a current track data set. The inter-track interference signal estimator circuit is operable to calculate an inter-track interference from the previous track data set based at least in part on the previous track data set and the inter-track interference response from the previous track data set.
摘要翻译：本发明的各种实施例提供了用于数据处理的系统和方法。作为示例，讨论了包括数据缓冲器，轨道间干扰响应电路和轨道间干扰信号估计器电路的数据处理电路。数据缓冲器可操作以存储先前的轨迹数据集。轨道间干扰响应电路可用于至少部分地基于先前的轨道数据集和当前轨道数据集来估计来自先前轨道数据集的轨道间干扰响应。轨道间干扰信号估计器电路可用于至少部分地基于先前的轨道数据集和来自前一轨道数据集的轨道间干扰响应来计算来自先前轨道数据集的轨道间干扰。

2. 发明申请

US20120063022A1 Systems and Methods for Inter-track Interference Compensation 有权
标题翻译：轨道间干扰补偿的系统和方法
公开(公告)号：US20120063022A1
公开(公告)日：2012-03-15
申请号：US13186174
申请日：2011-07-19
申请人： George Mathew , Jongseung Park , Shaohua Yang , Erich F. Haratsch , Ming Jin , Yuan Xing Lee
发明人： George Mathew , Jongseung Park , Shaohua Yang , Erich F. Haratsch , Ming Jin , Yuan Xing Lee
IPC分类号： G11B5/09
CPC分类号： G11B20/10046 , G11B5/012 , G11B5/09 , G11B19/045 , G11B20/10398 , G11B20/1217 , G11B2020/10759 , G11B2020/1232 , G11B2020/1298 , G11B2220/2516
摘要： Various embodiments of the present invention provide systems and methods for data processing. As an example, a data processing circuit is discussed that includes: a data buffer, an inter-track interference response circuit, and an inter-track interference signal estimator circuit. The data buffer is operable to store a previous track data set. The inter-track interference response circuit is operable to estimate an inter-track interference response from the previous track data set based at least in part on the previous track data set and a current track data set. The inter-track interference signal estimator circuit is operable to calculate an inter-track interference from the previous track data set based at least in part on the previous track data set and the inter-track interference response from the previous track data set.
摘要翻译：本发明的各种实施例提供了用于数据处理的系统和方法。作为示例，讨论了包括数据缓冲器，轨道间干扰响应电路和轨道间干扰信号估计器电路的数据处理电路。数据缓冲器可操作以存储先前的轨迹数据集。轨道间干扰响应电路可用于至少部分地基于先前的轨道数据集和当前轨道数据集来估计来自先前轨道数据集的轨道间干扰响应。轨道间干扰信号估计器电路可用于至少部分地基于先前的轨道数据集和来自前一轨道数据集的轨道间干扰响应来计算来自先前轨道数据集的轨道间干扰。

3. 发明授权

US08681439B2 Systems and methods for handling sector gaps in inter-track interference compensation 有权
标题翻译：用于处理轨道间干扰补偿中的扇区间隙的系统和方法
公开(公告)号：US08681439B2
公开(公告)日：2014-03-25
申请号：US13186197
申请日：2011-07-19
申请人： George Mathew , Jongseung Park , Shaohua Yang , Erich F. Haratsch , Ming Jin
发明人： George Mathew , Jongseung Park , Shaohua Yang , Erich F. Haratsch , Ming Jin
IPC分类号： G11B27/36 , G11B5/00
CPC分类号： G11B20/10046 , G11B5/012 , G11B5/09 , G11B19/045 , G11B20/10398 , G11B20/1217 , G11B2020/10759 , G11B2020/1232 , G11B2020/1298 , G11B2220/2516
摘要： Various embodiments of the present invention provide systems and methods for data processing. As an example, a data processing circuit is discussed that includes an inter-track interference determination circuit operable to calculate an inter-track interference from a previous track data set based at least in part on the previous track data set and a current track data set. The previous track data set includes a gap. A portion of the data in the previous track data set corresponds to a previous track on a storage medium, and the data in the previous track data set corresponding to the gap corresponds to a track preceding a previous track.
摘要翻译：本发明的各种实施例提供了用于数据处理的系统和方法。作为示例，讨论了包括轨道间干扰确定电路的数据处理电路，其可操作以至少部分地基于先前的轨道数据集和当前轨道数据集来计算来自先前轨道数据集的轨道间干扰。先前的轨道数据集包括间隙。前一轨道数据集中的一部分数据对应于存储介质上的先前磁道，并且与该间隙相对应的先前磁道数据集中的数据对应于先前磁道之前的磁迹。

4. 发明申请

US20120063024A1 Systems and Methods for Handling Sector Gaps in Inter-track Interference Compensation 有权
标题翻译：用于处理轨道间干扰补偿中的扇区间隙的系统和方法
公开(公告)号：US20120063024A1
公开(公告)日：2012-03-15
申请号：US13186197
申请日：2011-07-19
申请人： George Mathew , Jongseung Park , Shaohua Yang , Erich F. Haratsch , Ming Jin
发明人： George Mathew , Jongseung Park , Shaohua Yang , Erich F. Haratsch , Ming Jin
IPC分类号： G11B5/02
CPC分类号： G11B20/10046 , G11B5/012 , G11B5/09 , G11B19/045 , G11B20/10398 , G11B20/1217 , G11B2020/10759 , G11B2020/1232 , G11B2020/1298 , G11B2220/2516
摘要： Various embodiments of the present invention provide systems and methods for data processing. As an example, a data processing circuit is discussed that includes an inter-track interference determination circuit operable to calculate an inter-track interference from a previous track data set based at least in part on the previous track data set and a current track data set. The previous track data set includes a gap. A portion of the data in the previous track data set corresponds to a previous track on a storage medium, and the data in the previous track data set corresponding to the gap corresponds to a track preceding a previous track.
摘要翻译：本发明的各种实施例提供了用于数据处理的系统和方法。作为示例，讨论了包括轨道间干扰确定电路的数据处理电路，其可操作以至少部分地基于先前的轨道数据集和当前轨道数据集来计算来自先前轨道数据集的轨道间干扰。先前的轨道数据集包括间隙。前一轨道数据集中的一部分数据对应于存储介质上的先前磁道，并且与该间隙相对应的先前磁道数据集中的数据对应于先前磁道之前的磁迹。

5. 发明授权

US08773794B2 Systems and methods for block-wise inter-track interference compensation 有权
标题翻译：用于块式轨道间干扰补偿的系统和方法
公开(公告)号：US08773794B2
公开(公告)日：2014-07-08
申请号：US13186213
申请日：2011-07-19
申请人： George Mathew , Jongseung Park , Shaohua Yang , Erich F. Haratsch
发明人： George Mathew , Jongseung Park , Shaohua Yang , Erich F. Haratsch
IPC分类号： G11B5/09
CPC分类号： G11B20/10046 , G11B5/012 , G11B5/09 , G11B19/045 , G11B20/10398 , G11B20/1217 , G11B2020/10759 , G11B2020/1232 , G11B2020/1298 , G11B2220/2516
摘要： Various embodiments of the present invention provide systems and methods for data processing. As an example, a block-wise data processing circuit is discussed that includes: a data buffer, an inter-track interference response circuit, and an inter-track interference signal estimator circuit. The data buffer is operable to store a previous track data set corresponding to a block. The inter-track interference response circuit is operable to estimate an inter-track interference response from the previous track data set across the block based at least in part on the previous track data set and a current track data set. The inter-track interference signal estimator circuit is operable to calculate an inter-track interference from the previous track data set across the block based at least in part on the previous track data set and the inter-track interference response from the previous track data set.
摘要翻译：本发明的各种实施例提供了用于数据处理的系统和方法。作为示例，讨论了包括数据缓冲器，轨道间干扰响应电路和轨道间干扰信号估计器电路的块状数据处理电路。数据缓冲器可操作以存储对应于块的先前轨道数据集。轨道间干扰响应电路可操作以至少部分地基于先前的轨道数据集和当前轨道数据集来估计来自块的前一轨道数据集的轨道间干扰响应。轨道间干扰信号估计器电路可操作以至少部分地基于先前的轨道数据集和来自前一轨道数据集的轨道间干扰响应来计算跨越块的先前轨道数据集的轨道间干扰。

6. 发明申请

US20120063023A1 Systems and Methods for Block-wise Inter-track Interference Compensation 有权
标题翻译：块式轨道间干扰补偿的系统和方法
公开(公告)号：US20120063023A1
公开(公告)日：2012-03-15
申请号：US13186213
申请日：2011-07-19
申请人： George Mathew , Jongseung Park , Shaohua Yang , Erich F. Haratsch
发明人： George Mathew , Jongseung Park , Shaohua Yang , Erich F. Haratsch
IPC分类号： G11B5/09
CPC分类号： G11B20/10046 , G11B5/012 , G11B5/09 , G11B19/045 , G11B20/10398 , G11B20/1217 , G11B2020/10759 , G11B2020/1232 , G11B2020/1298 , G11B2220/2516
摘要： Various embodiments of the present invention provide systems and methods for data processing. As an example, a block-wise data processing circuit is discussed that includes: a data buffer, an inter-track interference response circuit, and an inter-track interference signal estimator circuit. The data buffer is operable to store a previous track data set corresponding to a block. The inter-track interference response circuit is operable to estimate an inter-track interference response from the previous track data set across the block based at least in part on the previous track data set and a current track data set. The inter-track interference signal estimator circuit is operable to calculate an inter-track interference from the previous track data set across the block based at least in part on the previous track data set and the inter-track interference response from the previous track data set.
摘要翻译：本发明的各种实施例提供了用于数据处理的系统和方法。作为示例，讨论了包括数据缓冲器，轨道间干扰响应电路和轨道间干扰信号估计器电路的块状数据处理电路。数据缓冲器可操作以存储对应于块的先前轨道数据集。轨道间干扰响应电路可操作以至少部分地基于先前的轨道数据集和当前轨道数据集来估计来自块的前一轨道数据集的轨道间干扰响应。轨道间干扰信号估计器电路可操作以至少部分地基于先前的轨道数据集和来自前一轨道数据集的轨道间干扰响应来计算跨越块的先前轨道数据集的轨道间干扰。

7. 发明授权

US08379498B2 Systems and methods for track to track phase alignment 有权
标题翻译：轨道跟踪相位对准的系统和方法
公开(公告)号：US08379498B2
公开(公告)日：2013-02-19
申请号：US13186146
申请日：2011-07-19
申请人： George Mathew , Ming Jin , Shaohua Yang , Erich F. Haratsch
发明人： George Mathew , Ming Jin , Shaohua Yang , Erich F. Haratsch
IPC分类号： G11B5/09
CPC分类号： G11B20/10046 , G11B5/012 , G11B5/09 , G11B19/045 , G11B20/10398 , G11B20/1217 , G11B2020/10759 , G11B2020/1232 , G11B2020/1298 , G11B2220/2516
摘要： Various embodiments of the present invention provide systems and methods for data processing. As an example, a data processing circuit is discussed that includes: a data buffer, an inter-track interference response circuit, an inter-track interference signal estimator circuit, and a sync mark detector circuit. The data buffer is operable to store a previous track data set that includes a first sync pattern. The inter-track interference response circuit is operable to estimate an inter-track interference response from the previous track data set based at least in part on the previous track data set and a current track data set. The current track data set includes a second sync pattern. The inter-track interference signal estimator circuit is operable to calculate an inter-track interference from the previous track data set based at least in part on the previous track data set and the inter-track interference response from the previous track data set. The sync mark detector circuit operable to identify the first sync pattern in the inter-track interference from the previous track data set in the current track data set.
摘要翻译：本发明的各种实施例提供了用于数据处理的系统和方法。作为示例，讨论了包括数据缓冲器，轨道间干扰响应电路，轨道间干扰信号估计器电路和同步标记检测器电路的数据处理电路。数据缓冲器可操作以存储包括第一同步模式的先前轨迹数据集。轨道间干扰响应电路可用于至少部分地基于先前的轨道数据集和当前轨道数据集来估计来自先前轨道数据集的轨道间干扰响应。当前轨道数据集包括第二同步模式。轨道间干扰信号估计器电路可用于至少部分地基于先前的轨道数据集和来自前一轨道数据集的轨道间干扰响应来计算来自先前轨道数据集的轨道间干扰。同步标记检测器电路可用于识别来自当前轨道数据集中的先前轨道数据集的轨道间干扰中的第一同步模式。

8. 发明申请

US20120063284A1 Systems and Methods for Track to Track Phase Alignment 有权
标题翻译：轨道跟踪相位对准的系统和方法
公开(公告)号：US20120063284A1
公开(公告)日：2012-03-15
申请号：US13186146
申请日：2011-07-19
申请人： George Mathew , Ming Jin , Shaohua Yang , Erich F. Haratsch
发明人： George Mathew , Ming Jin , Shaohua Yang , Erich F. Haratsch
IPC分类号： G11B27/36
CPC分类号： G11B20/10046 , G11B5/012 , G11B5/09 , G11B19/045 , G11B20/10398 , G11B20/1217 , G11B2020/10759 , G11B2020/1232 , G11B2020/1298 , G11B2220/2516
摘要： Various embodiments of the present invention provide systems and methods for data processing. As an example, a data processing circuit is discussed that includes: a data buffer, an inter-track interference response circuit, an inter-track interference signal estimator circuit, and a sync mark detector circuit. The data buffer is operable to store a previous track data set that includes a first sync pattern. The inter-track interference response circuit is operable to estimate an inter-track interference response from the previous track data set based at least in part on the previous track data set and a current track data set. The current track data set includes a second sync pattern. The inter-track interference signal estimator circuit is operable to calculate an inter-track interference from the previous track data set based at least in part on the previous track data set and the inter-track interference response from the previous track data set. The sync mark detector circuit operable to identify the first sync pattern in the inter-track interference from the previous track data set in the current track data set.
摘要翻译：本发明的各种实施例提供了用于数据处理的系统和方法。作为示例，讨论了包括数据缓冲器，轨道间干扰响应电路，轨道间干扰信号估计器电路和同步标记检测器电路的数据处理电路。数据缓冲器可操作以存储包括第一同步模式的先前轨迹数据集。轨道间干扰响应电路可用于至少部分地基于先前的轨道数据集和当前轨道数据集来估计来自先前轨道数据集的轨道间干扰响应。当前轨道数据集包括第二同步模式。轨道间干扰信号估计器电路可用于至少部分地基于先前的轨道数据集和来自前一轨道数据集的轨道间干扰响应来计算来自前一轨迹数据集的轨道间干扰。同步标记检测器电路可用于识别来自当前轨道数据集中的先前轨道数据集的轨道间干扰中的第一同步模式。

9. 发明申请

US20110292535A1 METHODS AND APPARATUS FOR SYNCHRONIZATION MARK DETECTION BASED ON A POSITION OF AN EXTREME DISTANCE METRIC 有权
标题翻译：基于极限距离位置的同步标记检测方法与装置
公开(公告)号：US20110292535A1
公开(公告)日：2011-12-01
申请号：US12790249
申请日：2010-05-28
申请人： Erich F. Haratsch , Shaohua Yang , Nenad Miladinovic , Yuan Xing Lee
发明人： Erich F. Haratsch , Shaohua Yang , Nenad Miladinovic , Yuan Xing Lee
IPC分类号： G11B5/09
CPC分类号： G11B20/10009 , G11B5/59616 , G11B20/1403 , G11B27/3027 , G11B2020/1287 , G11B2020/1476 , G11B2220/2516 , H04L7/08
摘要： Methods and apparatus are provided for detection of a synchronization mark based on a position of an extreme distance metric. A synchronization mark is detected in a received signal by computing a distance metric between the received signal and an ideal version of the received signal expected when reading the synchronization mark, wherein the distance metric is computed for a plurality of positions within a search window; determining a substantially extreme distance metric within the search window; and detecting the synchronization mark based on a position of the substantially extreme distance metric. The distance metric can comprise a sum of square differences or a Euclidean distance between the received signal and the ideal version of the received signal.
摘要翻译：提供了用于基于极距离度量的位置来检测同步标记的方法和装置。通过计算接收到的信号与读取同步标记之间期望的接收信号的理想版本之间的距离度量，在接收信号中检测同步标记，其中针对搜索窗口内的多个位置计算距离度量; 确定搜索窗口内的基本上极端的距离度量; 以及基于所述基本上极端的距离度量的位置来检测所述同步标记。距离度量可以包括平方差的和或接收信号与接收信号的理想版本之间的欧氏距离。

10. 发明授权

US08587888B2 Methods and apparatus for synchronization mark detection based on a position of an extreme distance metric 有权
标题翻译：基于极端距离度量位置的同步标记检测方法和装置
公开(公告)号：US08587888B2
公开(公告)日：2013-11-19
申请号：US12790249
申请日：2010-05-28
申请人： Erich F. Haratsch , Shaohua Yang , Nenad Miladinovic , Yuan Xing Lee
发明人： Erich F. Haratsch , Shaohua Yang , Nenad Miladinovic , Yuan Xing Lee
IPC分类号： G11B5/09
CPC分类号： G11B20/10009 , G11B5/59616 , G11B20/1403 , G11B27/3027 , G11B2020/1287 , G11B2020/1476 , G11B2220/2516 , H04L7/08
摘要： Methods and apparatus are provided for detection of a synchronization mark based on a position of an extreme distance metric. A synchronization mark is detected in a received signal by computing a distance metric between the received signal and an ideal version of the received signal expected when reading the synchronization mark, wherein the distance metric is computed for a plurality of positions within a search window; determining a substantially extreme distance metric within the search window; and detecting the synchronization mark based on a position of the substantially extreme distance metric. The distance metric can comprise a sum of square differences or a Euclidean distance between the received signal and the ideal version of the received signal.
摘要翻译：提供了用于基于极距离度量的位置来检测同步标记的方法和装置。在接收到的信号中通过计算接收信号与读取同步标记之间期望的接收信号的理想版本之间的距离度量来检测接收信号中的同步标记，其中为搜索窗口内的多个位置计算距离度量; 确定搜索窗口内的基本上极端的距离度量; 以及基于所述基本上极端的距离度量的位置来检测所述同步标记。距离度量可以包括平方差的和或接收信号与接收信号的理想版本之间的欧氏距离。

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