公开(公告)号：US09130599B2

公开(公告)日：2015-09-08

申请号：US14140451

申请日：2013-12-24

Applicant: LSI Corporation

Inventor： Seongwook Jeong ,  Lu Pan ,  Jianzhong Huang ,  Haitao Xia

IPC: G11B5/09 ,  H03M13/45 ,  G11B20/10 ,  H03M13/11

CPC classification number: G11B20/10037 ,  G11B20/10046 ,  G11B20/10268 ,  G11B20/10287 ,  G11B20/10296 ,  G11B2020/185 ,  H03M13/1171 ,  H03M13/2957 ,  H03M13/6343

Abstract: A data processing system includes a binary data detector having a hard decision output, a reliability calculator operable to calculate an error pattern reliability metric for each of a number of dominant error patterns associated with the hard decision output, and a converter operable to convert the error pattern reliability metrics to multi-level soft information.

Abstract translation: 数据处理系统包括具有硬决策输出的二进制数据检测器，可操作的可靠性计算器，用于计算与硬判决输出相关联的多个主要错误模式中的每一个的误差模式可靠性度量;以及转换器，用于将误差 模式可靠性度量到多级软信息。

公开(公告)号：US20140334028A1

公开(公告)日：2014-11-13

申请号：US13912171

申请日：2013-06-06

Applicant: LSI Corporation

Inventor： Lu Lu ,  Jianzhong Huang ,  Haitao Xia

IPC: H03M1/06 ,  H03M13/41 ,  G11B20/10

CPC classification number: G11B20/10046 ,  H03H17/0267 ,  H03H2021/0087 ,  H03M13/2957 ,  H03M13/6343

Abstract: Systems, methods, devices, circuits for data processing, and more particularly to systems and methods for data processing with a linear phase noise predictive filter. A data processing system includes an equalizer circuit operable to filter a digital data input to yield equalized data, a linear phase noise predictive finite impulse response filter operable to filter the equalized data to yield filtered data, and a data detector circuit operable to apply a data detection algorithm to the filtered data to yield a detected output. The greatest tap coefficient for the linear phase noise predictive finite impulse response filter is at a center tap.

Abstract translation: 用于数据处理的系统，方法，设备，电路，更具体地涉及用于使用线性相位噪声预测滤波器进行数据处理的系统和方法。 数据处理系统包括均衡器电路，可操作以对数字数据输入进行滤波以产生均衡的数据;线性相位噪声预测有限脉冲响应滤波器，可操作以对均衡的数据进行滤波以产生滤波后的数据;以及数据检测器电路，可操作以应用数据 检测算法对滤波后的数据产生检测输出。 线性相位噪声预测有限脉冲响应滤波器的最大抽头系数位于中心抽头。

公开(公告)号：US20140198405A1

公开(公告)日：2014-07-17

申请号：US13742336

申请日：2013-01-15

Applicant: LSI CORPORATION

Inventor： Jianzhong Huang ,  Haitao Xia ,  Rui Cao ,  Lu Pan

IPC: G11B5/035

CPC classification number: G11B5/035 ,  G11B20/10046 ,  G11B20/1833

Abstract: Systems and methods for data processing, and more particularly systems and methods for loop processing with variance adaptation.

Abstract translation: 用于数据处理的系统和方法，更具体地说，用于具有方差适应的循环处理的系统和方法。

公开(公告)号：US09112538B2

公开(公告)日：2015-08-18

申请号：US13800370

申请日：2013-03-13

Applicant: LSI Corporation

Inventor： Jianzhong Huang ,  Yu Kou ,  Haitao Xia ,  Seongwook Jeong

IPC: G11B5/035 ,  H03M13/41 ,  H03M13/13 ,  G11B20/10 ,  H03M13/00 ,  G11B5/00

CPC classification number: H03M13/41 ,  G11B5/035 ,  G11B20/10009 ,  G11B20/10046 ,  G11B20/10268 ,  G11B2005/0013 ,  H03M13/13 ,  H03M13/6343

Abstract: The present inventions are related to systems and methods for data processing, and more particularly to systems and methods for performing loop feedback in a data processing system.

Abstract translation: 本发明涉及用于数据处理的系统和方法，更具体地涉及用于在数据处理系统中执行循环反馈的系统和方法。

公开(公告)号：US08995072B1

公开(公告)日：2015-03-31

申请号：US14135984

申请日：2013-12-20

Applicant: LSI Corporation

Inventor： Dahua Qin ,  Xun Zhang ,  Lu Lu ,  Haitao Xia ,  Jianzhong Huang

IPC: G11B5/09 ,  G11B27/36 ,  G11B21/02 ,  G11B5/596

CPC classification number: G11B5/09 ,  G11B5/59611 ,  G11B5/59688 ,  G11B20/10009

Abstract: A servo system includes a detector circuit operable to apply a data detection algorithm to digital data to yield hard decisions, a convolution circuit operable to yield ideal digital data based on the hard decisions and on target values, a subtraction circuit operable to subtract the ideal digital data from the digital data to yield an error signal, a scaling circuit operable to scale the error signal to yield a scaled noise signal, an adder operable to add the scaled noise signal to the digital data to yield noise-added digital data, and a second detector circuit operable to apply a second data detection algorithm to the noise-added digital data to yield output hard decisions.

Abstract translation: 伺服系统包括检测器电路，可操作以将数据检测算法应用于数字数据以产生硬判决，卷积电路可操作以基于硬判决和目标值产生理想数字数据，减法电路可操作以减去理想数字 来自数字数据的数据以产生误差信号，缩放电路，可操作以缩放误差信号以产生缩放的噪声信号;加法器，可操作以将缩放的噪声信号添加到数字数据以产生噪声附加的数字数据;以及 第二检测器电路可操作以将第二数据检测算法应用于经噪声增加的数字数据以产生输出硬判决。

公开(公告)号：US08917467B1

公开(公告)日：2014-12-23

申请号：US14109804

申请日：2013-12-17

Applicant: LSI Corporation

Inventor： Haitao Xia ,  Jianzhong Huang ,  Ming Jin ,  Wu Chang

IPC: G11B5/09

CPC classification number: G11B20/10009 ,  G11B5/09

Abstract: Systems, methods, devices, circuits for data processing, and more particularly to data processing including adjacent track interference mitigation.

Abstract translation: 用于数据处理的系统，方法，设备，电路，更具体地涉及包括相邻轨道干扰减轻的数据处理。

公开(公告)号：US08854760B1

公开(公告)日：2014-10-07

申请号：US13886170

申请日：2013-05-02

Applicant: LSI Corporation

Inventor： Lu Lu ,  Haitao Xia ,  Jianzhong Huang

IPC: G11B5/09 ,  G11B20/18

CPC classification number: G11B20/18 ,  G11B20/10388

Abstract: A data processing circuit includes a subtraction circuit operable to subtract an ideal version of a data pattern from a sampled version of a data pattern to yield a difference signal, an error calculation circuit operable to calculate an error between the ideal version of the data pattern and the sampled version of the data pattern based on the difference signal, and a comparator circuit operable to compare the error with a threshold value and operable to assert a track refresh signal if the error is greater than the threshold value. The track refresh signal is operable to trigger a magnetic storage device to refresh data on a data track.

Abstract translation: 数据处理电路包括减法电路，其可操作以从数据模式的采样版本中减去数据模式的理想版本以产生差分信号;误差计算电路，用于计算数据模式的理想版本与 基于差分信号的数据模式的采样版本;以及比较器电路，其可操作以将误差与阈值进行比较，并且如果误差大于阈值则可用于断言轨迹刷新信号。 轨道刷新信号可操作以触发磁存储设备来刷新数据轨道上的数据。