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1. 发明授权

US08659846B2 Inter-track interference cancelation in the presence of frequency offset 有权
标题翻译：在存在频偏的情况下进行轨道间干扰消除
公开(公告)号：US08659846B2
公开(公告)日：2014-02-25
申请号：US13448218
申请日：2012-04-16
申请人： Naveen Kumar , Jason Bellorado , Marcus Marrow , Kai Keung Chan
发明人： Naveen Kumar , Jason Bellorado , Marcus Marrow , Kai Keung Chan
IPC分类号： G11B5/09
CPC分类号： G11B5/012 , G11B19/045 , G11B20/10046 , G11B2005/0002 , G11B2020/1238 , G11B2020/1292 , G11B2020/1298 , G11B2220/2516
摘要： An initial phase offset between a center track and a side track is determined. An initial side track pulse shape is determined using the initial phase offset and side track interference. The initial side track pulse shape minimizes a contribution of the side track interference to a center track bit. The contribution of the side track interference is removed from the center track bit using the initial side track pulse shape and the side track interference.
摘要翻译：确定中心轨道和侧轨迹之间的初始相位偏移。使用初始相位偏移和侧轨道干扰来确定初始侧轨道脉冲形状。初始侧轨道脉冲形状使得侧轨道干涉对中心轨道位的贡献最小化。使用初始侧轨道脉冲形状和侧轨道干扰，从中心轨道位置去除侧轨道干涉的贡献。

2. 发明授权

US08533576B1 Data independent error computation and usage with decision directed error computation 有权
标题翻译：数据独立的误差计算和使用与决策定向误差计算
公开(公告)号：US08533576B1
公开(公告)日：2013-09-10
申请号：US13012640
申请日：2011-01-24
申请人： Zheng Wu , Jason Bellorado , Marcus Marrow
发明人： Zheng Wu , Jason Bellorado , Marcus Marrow
IPC分类号： H03M13/00 , G06F11/00
CPC分类号： H04L1/0041 , G06F11/00 , H03G3/3052 , H03M13/1102 , H03M13/1515 , H03M13/3715 , H04L1/20
摘要： A signal error is determined by obtaining a known property of an expected signal. A signal is received and a signal error is determined based at least in part on the received signal and the known property of the expected signal.
摘要翻译：通过获得预期信号的已知属性来确定信号误差。接收信号并且至少部分地基于接收到的信号和预期信号的已知属性确定信号误差。

3. 发明授权

US08489971B1 Hardware implementation scheme to adapt coefficients for data dependent noise prediction and soft output viterbi algorithm 有权
标题翻译：硬件实现方案，适应数据相关噪声预测和软输出维特比算法的系数
公开(公告)号：US08489971B1
公开(公告)日：2013-07-16
申请号：US13117955
申请日：2011-05-27
申请人： Kai Keung Chan , Kin Man Ng , Xin-Ning Song , Jason Bellorado
发明人： Kai Keung Chan , Kin Man Ng , Xin-Ning Song , Jason Bellorado
IPC分类号： H03M13/03
CPC分类号： H03M13/6331 , H03M13/1105 , H03M13/4138
摘要： A system for adapting coefficients of a soft output Viterbi algorithm (SOVA) is disclosed. The system includes a receiver configured to select an output of an SOVA detector at least in part based on a criterion. The receiver is configured to store the selected output of the SOVA detector. The receiver is further configured to store a signal that corresponds to the stored selected output of the SOVA detector, wherein the input to the SOVA detector is derived from the signal. The receiver is further configured to adapt a plurality of coefficients of the SOVA detector at least in part based on the stored selected output of the SOVA detector, the stored signal, and a corresponding data pattern. The system includes an interface coupled to the receiver and configured to receive samples.
摘要翻译：公开了一种用于适应软输出维特比算法（SOVA）的系数的系统。该系统包括被配置为至少部分地基于标准来选择SOVA检测器的输出的接收器。接收器被配置为存储所选择的SOVA检测器的输出。接收机还被配置为存储对应于所存储的SOVA检测器的所选输出的信号，其中从该信号导出到SOVA检测器的输入。接收机还被配置为至少部分地基于存储的SOVA检测器的所选输出，所存储的信号和对应的数据模式来适配SOVA检测器的多个系数。该系统包括耦合到接收器并被配置为接收采样的接口。

4. 发明授权

US08185787B1 Blind and decision directed multi-level channel estimation 有权
标题翻译：盲和决策多级信道估计
公开(公告)号：US08185787B1
公开(公告)日：2012-05-22
申请号：US12384894
申请日：2009-04-08
申请人： Marcus Marrow , Jason Bellorado , Rajiv Agarwal
发明人： Marcus Marrow , Jason Bellorado , Rajiv Agarwal
IPC分类号： G11C29/00
CPC分类号： G06F12/0246 , G06F12/00 , G06F12/08 , G11C11/5642 , G11C16/26 , G11C29/026 , G11C29/028
摘要： A technique for blind channel estimation is disclosed herein. A read value that is read from a multi-level storage device is received, as are a set of bins having bin ranges and (for each of the bins in the set) a corresponding portion of read values which fall into that particular bin. One or more of the bin ranges is adjusted such that the received portions of read values remain substantially the same after adjustment and after assignment of the read value to one of the set of bins after adjustment.
摘要翻译：本文公开了一种用于盲信道估计的技术。接收从多级存储设备读取的读取值，以及一组具有存储区范围和（对于集合中的每个存储区）的一组存储在该特定存储区中的读取值的相应部分。调整一个或多个存储区范围，使得读取值的接收部分在调整之后并且在将读取值分配给调整后的一组存储体之一之后保持基本相同。

5. 发明授权

US08094502B1 Write-precompensation and variable write backoff 有权
标题翻译：写预补偿和可变写回退
公开(公告)号：US08094502B1
公开(公告)日：2012-01-10
申请号：US12386004
申请日：2009-04-09
申请人： Jason Bellorado , Marcus Marrow
发明人： Jason Bellorado , Marcus Marrow
IPC分类号： G11C11/34
CPC分类号： G11C16/12 , G11C16/3418 , G11C16/3468 , G11C2216/14
摘要： A technique for writing data is disclosed. The technique includes estimating an amount of additional voltage on a victim cell of a solid-state storage device caused by writing to one or more other cells in the solid-state storage device, determining a modified write value for the victim cell based at least in part on a desired value for the victim cell and the estimated amount of additional voltage, and writing the modified write value to the victim cell.
摘要翻译：公开了一种写入数据的技术。该技术包括估计通过向固态存储设备中的一个或多个其他小区写入而导致的固态存储设备的受害单元上的额外电压的量，至少基于部分是受害单元的期望值和估计的附加电压量，并将修改的写入值写入受害单元。

6. 发明授权

US08443244B2 Blind and decision directed multi-level channel estimation 有权
标题翻译：盲和决策多级信道估计
公开(公告)号：US08443244B2
公开(公告)日：2013-05-14
申请号：US13456065
申请日：2012-04-25
申请人： Marcus Marrow , Jason Bellorado , Rajiv Agarwal
发明人： Marcus Marrow , Jason Bellorado , Rajiv Agarwal
IPC分类号： G11C29/00 , G11C11/34
CPC分类号： G06F12/0246 , G06F12/00 , G06F12/08 , G11C11/5642 , G11C16/26 , G11C29/026 , G11C29/028
摘要： A read value that is read from a multi-level storage device is received, as are a set of bins having bin ranges. A set of amounts corresponding to the set of bins is received where each amount in the set indicates an amount of read values which fall into the corresponding bin. One or more of the bin ranges is adjusted, including by: in the event there is a first bin range that is less than the received read value, increasing at least the first bin range and in the event there is a second bin range that is greater than the received read value, decreasing at least the second bin range.
摘要翻译：接收从多级存储设备读取的读取值，以及一组具有存储区范围的存储区。接收与该组合对应的一组数量，其中集合中的每个量指示落入相应仓的读取值的量。包括一个或多个仓范围，其中包括：如果存在小于接收的读取值的第一仓范围，则至少增加第一仓范围，并且在存在第二仓范围的情况下大于接收到的读取值，至少减小第二个仓范围。

7. 发明授权

US08249197B2 Decision directed timing recovery using multi-phase detection 有权
标题翻译：使用多相检测的决策定时定时恢复
公开(公告)号：US08249197B2
公开(公告)日：2012-08-21
申请号：US13314549
申请日：2011-12-08
申请人： Jason Bellorado , Marcus Marrow
发明人： Jason Bellorado , Marcus Marrow
IPC分类号： H03K9/00
CPC分类号： H04L7/0058 , H04L25/03057
摘要： A set of one or more samples is received. Using a first signal processor associated with a first phase offset, a first decision and a first error value are generated using the set of samples. Using a second signal processor associated with a second phase offset, a second decision and a second error value are generated using the set of samples. This includes interpolating the set of samples to obtain a set of interpolated samples at the second phase offset and generating the second decision and the second error value using the set of interpolated samples at the second phase offset. A selection associated with the first decision and the second decision is made based at least in part on the first error value and the second error value.
摘要翻译：接收一组一个或多个样本。使用与第一相位偏移相关联的第一信号处理器，使用该组样本来生成第一判定和第一误差值。使用与第二相位偏移相关联的第二信号处理器，使用该组样本来生成第二判定和第二误差值。这包括内插样本集合以获得在第二相位偏移处的内插采样集合，并且使用在第二相位偏移处的内插采样集合产生第二判定和第二误差值。至少部分地基于第一误差值和第二误差值进行与第一判定和第二判定相关联的选择。

8. 发明申请

US20120210180A1 BLIND AND DECISION DIRECTED MULTI-LEVEL CHANNEL ESTIMATION 有权
标题翻译：盲和决策指导的多级渠道估算
公开(公告)号：US20120210180A1
公开(公告)日：2012-08-16
申请号：US13456065
申请日：2012-04-25
申请人： Marcus Marrow , Jason Bellorado , Rajiv Agarwal
发明人： Marcus Marrow , Jason Bellorado , Rajiv Agarwal
IPC分类号： G11C29/00 , G06F11/16
CPC分类号： G06F12/0246 , G06F12/00 , G06F12/08 , G11C11/5642 , G11C16/26 , G11C29/026 , G11C29/028
摘要： A read value that is read from a multi-level storage device is received, as are a set of bins having bin ranges and (for each of the bins in the set) a corresponding portion of read values which fall into that particular bin. One or more of the bin ranges is adjusted such that the received portions of read values remain substantially the same after adjustment and after assignment of the read value to one of the set of bins after adjustment.
摘要翻译：接收从多级存储设备读取的读取值，以及一组具有存储区范围和（对于集合中的每个存储区）的一组存储在该特定存储区中的读取值的相应部分。调整一个或多个存储区范围，使得读取值的接收部分在调整之后并且在将读取值分配给调整后的一组存储体之一之后保持基本相同。

9. 发明申请

US20120105994A1 INTER-TRACK INTERFERENCE CANCELATION FOR SHINGLED MAGNETIC RECORDING 有权
标题翻译：用于振动磁记录的互锁干扰消除
公开(公告)号：US20120105994A1
公开(公告)日：2012-05-03
申请号：US13282370
申请日：2011-10-26
申请人： Jason Bellorado , Marcus Marrow
发明人： Jason Bellorado , Marcus Marrow
IPC分类号： G11B5/09
CPC分类号： G11B20/10009 , G11B5/012 , G11B5/09 , G11B20/10046 , G11B2005/0002 , G11B2020/1238 , G11B2020/1292 , G11B2020/1298 , G11B2220/2516
摘要： Inter-track interference cancelation is disclosed, including: receiving an input sequence of samples associated with a track on magnetic storage; using a processor to generate inter-track interference (ITI) data associated with a first side track including by performing a correlation between the input sequence of samples and a sequence of data associated with the first side track.
摘要翻译：公开了磁道间干扰消除，包括：接收与磁存储上的轨道相关联的样本的输入序列; 使用处理器来产生与第一侧轨道相关联的轨道间干扰（ITI）数据，该数据包括通过执行输入样本序列与与第一侧轨道相关联的数据序列之间的相关性。

10. 发明申请

US20120076196A1 DECISION DIRECTED TIMING RECOVERY USING MULTI-PHASE DETECTION 有权
标题翻译：使用多相检测的决策指向时序恢复
公开(公告)号：US20120076196A1
公开(公告)日：2012-03-29
申请号：US13314549
申请日：2011-12-08
申请人： Jason Bellorado , Marcus Marrow
发明人： Jason Bellorado , Marcus Marrow
IPC分类号： H04L27/00 , H04L27/01
CPC分类号： H04L7/0058 , H04L25/03057
摘要： A set of one or more samples is received. Using a first signal processor associated with a first phase offset, a first decision and a first error value are generated using the set of samples. Using a second signal processor associated with a second phase offset, a second decision and a second error value are generated using the set of samples. This includes interpolating the set of samples to obtain a set of interpolated samples at the second phase offset and generating the second decision and the second error value using the set of interpolated samples at the second phase offset. A selection associated with the first decision and the second decision is made based at least in part on the first error value and the second error value.
摘要翻译：接收一组一个或多个样本。使用与第一相位偏移相关联的第一信号处理器，使用该组样本来生成第一判定和第一误差值。使用与第二相位偏移相关联的第二信号处理器，使用该组样本来生成第二判定和第二误差值。这包括内插样本集合以获得在第二相位偏移处的内插采样集合，并且使用在第二相位偏移处的内插采样集合产生第二判定和第二误差值。至少部分地基于第一误差值和第二误差值进行与第一判定和第二判定相关联的选择。

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