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21. 发明申请

US20110246859A1 METHODS AND APPARATUS FOR COMPUTING SOFT DATA OR LOG LIKELIHOOD RATIOS FOR RECEIVED VALUES IN COMMUNICATION OR STORAGE SYSTEMS 有权
标题翻译：用于计算通信或存储系统中接收值的软数据或记录比特率的方法和装置
公开(公告)号：US20110246859A1
公开(公告)日：2011-10-06
申请号：US12751966
申请日：2010-03-31
申请人： Erich F. Haratsch , Nenad Miladinovic , Andrei Vityaev
发明人： Erich F. Haratsch , Nenad Miladinovic , Andrei Vityaev
IPC分类号： H03M13/45 , G06F11/10
CPC分类号： H03M13/612 , G11C7/04 , G11C11/56 , G11C11/5642 , G11C13/0002 , G11C13/0033 , G11C13/004 , G11C16/0483 , G11C16/26 , H03M13/1111 , H03M13/2957 , H03M13/3905 , H03M13/4146 , H03M13/47
摘要： Methods and apparatus are provided for computing soft data or log likelihood ratios for received values in communication or storage systems. Soft data values or log likelihood ratios are computed for received values in a communication system or a memory device by obtaining at least one received value; identifying a segment of a function corresponding to the received value, wherein the function is defined over a plurality of segments, wherein each of the segments has an associated set of parameters; and calculating the soft data value or log likelihood ratio using the set of parameters associated with the identified segment. The computed soft data values or log likelihood ratios are optionally provided to a decoder.
摘要翻译：提供了用于计算通信或存储系统中接收值的软数据或对数似然比的方法和装置。通过获得至少一个接收值来计算通信系统或存储设备中的接收值的软数据值或对数似然比; 识别对应于所接收的值的功能的片段，其中所述功能在多个片段上被定义，其中所述片段中的每个片段具有相关联的参数组; 以及使用与所识别的段相关联的参数集来计算软数据值或对数似然比。所计算的软数据值或对数似然比可选地提供给解码器。

22. 发明申请

US20110246136A1 METHODS AND APPARATUS FOR COMPUTING A PROBABILITY VALUE OF A RECEIVED VALUE IN COMMUNICATION OR STORAGE SYSTEMS 有权
标题翻译：在通信或存储系统中计算接收值的可行性值的方法和装置
公开(公告)号：US20110246136A1
公开(公告)日：2011-10-06
申请号：US12751960
申请日：2010-03-31
申请人： Erich F. Haratsch , Nenad Miladinovic , Andrei Vityaev
发明人： Erich F. Haratsch , Nenad Miladinovic , Andrei Vityaev
IPC分类号： G06F17/18
CPC分类号： H03M13/612 , H03M13/1102 , H03M13/2957 , H03M13/3905 , H03M13/41 , H03M13/4138 , H04L1/005
摘要： Methods and apparatus are provided for computing a probability value of a received value in communication or storage systems. A probability value for a received value in a communication system or a memory device is computed by obtaining at least one received value; identifying a segment of a function corresponding to the received value, wherein the function is defined over a plurality of segments, wherein each of the segments has an associated set of parameters; and calculating the probability value using the set of parameters associated with the identified segment. A probability value for a received value in a communication system or a memory device can also be computed by calculating the probability value for the received value using a first distribution, wherein the first distribution is predefined and wherein a mapped version of the first distribution approximates a distribution of the received values and wherein the calculating step is implemented by a processor, a controller, a read channel, a signal processing unit or a decoder.
摘要翻译：提供了用于计算通信或存储系统中的接收值的概率值的方法和装置。通过获得至少一个接收值来计算通信系统或存储设备中的接收值的概率值; 识别对应于所接收的值的功能的片段，其中所述功能在多个片段上被定义，其中所述片段中的每个片段具有相关联的参数组; 以及使用与所识别的段相关联的参数集来计算概率值。也可以通过使用第一分布计算接收值的概率值来计算通信系统或存储器件中的接收值的概率值，其中第一分布是预定义的，并且其中第一分布的映射版本近似于分配接收值，其中计算步骤由处理器，控制器，读通道，信号处理单元或解码器来实现。

23. 发明授权

US08775913B2 Methods and apparatus for computing soft data or log likelihood ratios for received values in communication or storage systems 有权
标题翻译：用于计算通信或存储系统中接收值的软数据或对数似然比的方法和装置
公开(公告)号：US08775913B2
公开(公告)日：2014-07-08
申请号：US12751966
申请日：2010-03-31
申请人： Erich F. Haratsch , Nenad Miladinovic , Andrei Vityaev
发明人： Erich F. Haratsch , Nenad Miladinovic , Andrei Vityaev
IPC分类号： H03M13/03 , H03M13/00 , G11C16/26 , G11C7/04 , H03M13/47 , G11C13/00 , G11C11/56 , G11C16/04 , H03M13/39 , H03M13/41 , H03M13/11 , H03M13/29
CPC分类号： H03M13/612 , G11C7/04 , G11C11/56 , G11C11/5642 , G11C13/0002 , G11C13/0033 , G11C13/004 , G11C16/0483 , G11C16/26 , H03M13/1111 , H03M13/2957 , H03M13/3905 , H03M13/4146 , H03M13/47
摘要： Methods and apparatus are provided for computing soft data or log likelihood ratios for received values in communication or storage systems. Soft data values or log likelihood ratios are computed for received values in a communication system or a memory device by obtaining at least one received value; identifying a segment of a function corresponding to the received value, wherein the function is defined over a plurality of segments, wherein each of the segments has an associated set of parameters; and calculating the soft data value or log likelihood ratio using the set of parameters associated with the identified segment. The computed soft data values or log likelihood ratios are optionally provided to a decoder.
摘要翻译：提供了用于计算通信或存储系统中接收值的软数据或对数似然比的方法和装置。通过获得至少一个接收值来计算通信系统或存储设备中的接收值的软数据值或对数似然比; 识别对应于所接收的值的功能的片段，其中所述功能在多个片段上被定义，其中所述片段中的每个片段具有相关联的参数组; 以及使用与所识别的段相关联的参数集来计算软数据值或对数似然比。所计算的软数据值或对数似然比可选地提供给解码器。

24. 发明授权

US08504885B2 Methods and apparatus for approximating a probability density function or distribution for a received value in communication or storage systems 有权
标题翻译：用于近似通信或存储系统中的接收值的概率密度函数或分布的方法和装置
公开(公告)号：US08504885B2
公开(公告)日：2013-08-06
申请号：US12751973
申请日：2010-03-31
申请人： Erich F. Haratsch , Nenad Miladinovic , Andrei Vityaev
发明人： Erich F. Haratsch , Nenad Miladinovic , Andrei Vityaev
IPC分类号： G06F11/00
CPC分类号： G11C11/5642 , G11C16/3454
摘要： Methods and apparatus are provided for approximating a probability density function or distribution for a received value in communication or storage systems. A target distribution is approximated for a received value in one or more of a communication system and a memory device, by substantially minimizing a squared error between the target distribution of the received values and a second distribution obtained by mapping a predefined distribution, such as a Gaussian distribution, through a mapping function, wherein the second distribution has an associated set of parameters. The mapping function can be, for example, a piecewise linear function. The second distribution has a plurality of segments and each of the segments has an associated set of parameters. The associated set of parameters can be used to compute probability values, soft data values or log likelihood ratios.
摘要翻译：提供了用于近似通信或存储系统中的接收值的概率密度函数或分布的方法和装置。通过基本上最小化接收到的值的目标分布与通过映射预定义分布而获得的第二分布之间的平方误差来实现对一个或多个通信系统和存储设备中的接收值的目标分布近似，高斯分布，通过映射函数，其中第二分布具有相关联的参数集合。映射函数可以是例如分段线性函数。第二分布具有多个段，并且每个段具有相关的一组参数。相关的参数集可用于计算概率值，软数据值或对数似然比。

25. 发明授权

US09294132B1 Dual-stage data decoding for non-volatile memories 有权
标题翻译：用于非易失性存储器的双级数据解码
公开(公告)号：US09294132B1
公开(公告)日：2016-03-22
申请号：US13672047
申请日：2012-11-08
申请人： Borja Peleato-Inarrea , Andrei Vityaev , Nenad Miladinovic
发明人： Borja Peleato-Inarrea , Andrei Vityaev , Nenad Miladinovic
IPC分类号： H03M13/29 , G11B20/18 , H03M13/39 , G06F11/10 , H03M13/27
CPC分类号： H03M13/29 , G06F11/1048 , G06F11/1068 , G11B20/1833 , G11B2020/1846 , G11B2020/185 , H03M13/1108 , H03M13/1117 , H03M13/27 , H03M13/2948 , H03M13/3707 , H03M13/3927 , H03M13/6325
摘要： A method and system for decoding information read from a non-volatile memory uses a two stage decoding algorithm, where the first stage is a high-speed, low precision decoder and the second stage is a low-speed, high precision decoder. Most of the time only the first stage of the decoder is used, which lowers the average power consumption of the decoding process.
摘要翻译：用于解码从非易失性存储器读取的信息的方法和系统使用两级解码算法，其中第一级是高速，低精度解码器，第二级是低速，高精度解码器。大多数时候只使用解码器的第一级，这降低了解码过程的平均功耗。

26. 发明授权

US07260167B1 Method and apparatus for synchronization of a bit stream for long latency date detection 有权
标题翻译：用于长时间延迟日期检测的位流同步的方法和装置
公开(公告)号：US07260167B1
公开(公告)日：2007-08-21
申请号：US10768907
申请日：2004-02-02
申请人： Pantas Sutardja , Andrei Vityaev
发明人： Pantas Sutardja , Andrei Vityaev
IPC分类号： H04L7/06
CPC分类号： H04L7/042 , G11B20/10009 , G11B20/1217 , G11B20/1426 , G11B20/18 , G11B27/3027 , G11B2020/1287 , G11B2020/1476
摘要： A method is for decoding a bit stream from a waveform representing the bit stream, having a first synchronization mark, data, and a second synchronization mark. Digitized samples are decoded to form a reconstructed bit stream. The reconstructed bit stream is then stored. At least one of the first synchronization mark and the second synchronization mark are then extracted from the reconstructed bit stream. Finally, the data are extracted from the reconstructed bit stream using an iterative decoding process, in accordance with at least one of the first synchronization mark and the second synchronization mark. As such, loss of the data between the first synchronization mark and the second synchronization mark, if there is a problem with the first synchronization mark, is avoided.
摘要翻译：一种方法是从表示具有第一同步标记，数据和第二同步标记的比特流的波形对比特流进行解码。数字样本被解码以形成重构比特流。然后存储重建的比特流。然后从重建的比特流中提取第一同步标记和第二同步标记中的至少一个。最后，根据第一同步标记和第二同步标记中的至少一个，使用迭代解码处理从重建的位流中提取数据。因此，避免了第一同步标记与第二同步标记之间的数据的丢失，如果存在第一同步标记的问题。

27. 发明授权

US08429489B2 Data retrieval from a storage device using a combined error correction and detection approach 失效
标题翻译：使用组合的纠错和检测方法从存储设备进行数据检索
公开(公告)号：US08429489B2
公开(公告)日：2013-04-23
申请号：US12200528
申请日：2008-08-28
申请人： Andrei Vityaev
发明人： Andrei Vityaev
IPC分类号： G11C29/00 , H03M13/29
CPC分类号： G11B20/1833 , H03M13/1515
摘要： 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.
摘要翻译：提出了一种或多种有效地检索存储在存储设备的介质中的数据的方法和系统。一种或多种方法和系统通过使用多级解码过程校正和检测错误来实现。在一个实施例中，存储设备包括磁性硬盘驱动器。在一个实施例中，系统和方法应用允许在多个连续解码级或处理级上执行错误校正和检测的编码/解码技术。使用该系统和方法增加了可以在编码码字中校正的符号错误的最大数目，从而提供了数据恢复的改进。

28. 发明授权

US07822138B2 Calculating apparatus and method for use in a maximum likelihood detector and/or decoder 有权
标题翻译：用于最大似然检测器和/或解码器的计算装置和方法
公开(公告)号：US07822138B2
公开(公告)日：2010-10-26
申请号：US10867179
申请日：2004-06-14
申请人： Oleg Zaboronski , Nicholas Atkinson , Robert Charles Jackson , Theo Drane , Andrei Vityaev
发明人： Oleg Zaboronski , Nicholas Atkinson , Robert Charles Jackson , Theo Drane , Andrei Vityaev
IPC分类号： H04L5/12 , H03M13/03
CPC分类号： H03M13/395 , H03M13/4107 , H03M13/4138
摘要： A calculator for use in a maximum likelihood detector, including: a receiver for receiving convolution encoded data which may include noise; first calculator for calculating a first component of a first path metric difference between two possible sequences of states corresponding to the convolution encoded data, the two sequences each having a length equal to a constraint length of the convolution encoded data, and the two sequences starting at a same state and ending at a same state, adapted to calculate the first component using the convolution-encoded data and using convolution encoding parameters of the convolution-encoded data, wherein the first component is independent of the two sequences; and second calculator for calculating a second component of the first path metric difference using the two sequences, wherein the second component is independent of the convolution encoded data; and using the first and second components to obtain the first path metric difference.
摘要翻译：一种用于最大似然检测器的计算器，包括：接收器，用于接收可包括噪声的卷积编码数据; 第一计算器，用于计算与卷积编码数据相对应的两个可能状态序列之间的第一路径度量差的第一分量，每个具有等于卷积编码数据的约束长度的长度的两个序列，以及从相同的状态并且以相同的状态结束，适于使用卷积编码的数据计算第一分量并使用卷积编码数据的卷积编码参数，其中第一分量独立于两个序列; 以及第二计算器，用于使用所述两个序列来计算所述第一路径量度差的第二分量，其中所述第二分量与所述卷积编码数据无关; 以及使用第一和第二分量来获得第一路径度量差。

29. 发明授权

US07426676B2 Data retrieval from a storage device using a combined error correction and detection approach 有权
标题翻译：使用组合的纠错和检测方法从存储设备进行数据检索
公开(公告)号：US07426676B2
公开(公告)日：2008-09-16
申请号：US10757260
申请日：2004-01-14
申请人： Andrei Vityaev
发明人： Andrei Vityaev
IPC分类号： H03M13/15
CPC分类号： G11B20/1833 , H03M13/1515
摘要： 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.
摘要翻译：提出了一种或多种有效地检索存储在存储设备的介质中的数据的方法和系统。一种或多种方法和系统通过使用多级解码过程校正和检测错误来实现。在一个实施例中，存储设备包括磁性硬盘驱动器。在一个实施例中，系统和方法应用允许在多个连续解码级或处理级上执行错误校正和检测的编码/解码技术。使用该系统和方法增加了可以在编码码字中校正的符号错误的最大数目，从而提供了数据恢复的改进。

30. 发明授权

US07178084B2 Short error propagation modulation coding method and device 有权
标题翻译：短误差传播调制编码方法及装置
公开(公告)号：US07178084B2
公开(公告)日：2007-02-13
申请号：US10253916
申请日：2002-09-25
申请人： William G. Bliss , Andrei Vityaev , Razmik Karabed
发明人： William G. Bliss , Andrei Vityaev , Razmik Karabed
IPC分类号： H03M13/00
CPC分类号： G11B20/1426 , H03M13/31
摘要： A data coding method produces codewords with a scheme that changes for different codewords, and decodes codewords with a scheme that remains constant for all codewords. The coding method receives k user bits, codes the user bits to produce k+r output bits, corrupts any one of the output bits, and accurately reproduces at least k−r−1 user bits. Codewords coded using the appropriate initial conditions are output. For each codeword, the appropriate initial conditions are appended to the codeword coded therefrom.
摘要翻译：数据编码方法产生具有针对不同码字改变的方案的码字，并且用对所有码字保持恒定的方案对码字进行解码。编码方法接收k个用户比特，对用户比特进行编码以产生k + r个输出比特，破坏任何一个输出比特，并且至少准确地再生k-r-1个用户比特。输出使用适当的初始条件编码的代码字。对于每个码字，适当的初始条件被附加到从其编码的码字。

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