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1. 发明授权

US07788446B2 System and method for drive-side guarantee of quality of service and for extending the lifetime of storage devices 有权
标题翻译：驱动端保证服务质量和延长存储设备使用寿命的系统和方法
公开(公告)号：US07788446B2
公开(公告)日：2010-08-31
申请号：US12021645
申请日：2008-01-29
申请人： Erozan Kurtas , Mehmet Erden , Xueshi Yang
发明人： Erozan Kurtas , Mehmet Erden , Xueshi Yang
IPC分类号： G06F12/00 , G11B27/36 , G11B21/02
CPC分类号： G11B27/36 , G11B20/10101 , G11B20/182 , G11B2020/1863
摘要： A storage device has a storage medium, a plurality of read-write mechanisms, a quality monitoring and book-keeping unit and a scheduling unit. The plurality of read-write mechanisms is coupled to the storage medium. The quality monitoring and book-keeping unit is coupled to the plurality of read-write mechanisms and is adapted to monitor at least one performance parameter associated with each read-write mechanism during operation. The scheduling unit is coupled to the quality monitoring and book-keeping unit. The scheduling unit is adapted to rank each of the plurality of read-write mechanisms according to the at least one performance parameter and to responsively schedule use of a read-write mechanism according to its rank.
摘要翻译：存储装置具有存储介质，多个读写机构，质量监视和记录单元以及调度单元。多个读写机构耦合到存储介质。质量监视和记录单元耦合到多个读写机构，并且适于在操作期间监视与每个读写机构相关联的至少一个性能参数。调度单元耦合到质量监视和记录单元。调度单元适于根据至少一个性能参数对多个读写机构中的每一个进行排序，并根据其等级响应地调度对读写机制的使用。

2. 发明授权

US07599450B2 Pattern-dependent equalization and detection 有权
标题翻译：模式相关的均衡和检测
公开(公告)号：US07599450B2
公开(公告)日：2009-10-06
申请号：US10771813
申请日：2004-02-03
申请人： Xueshi Yang , Erozan Kurtas
发明人： Xueshi Yang , Erozan Kurtas
IPC分类号： H03D1/00
CPC分类号： H04L25/03331 , H04L25/03191 , H04L25/03197
摘要： A system for pattern dependent equalization has an equalizer bank and a detector. The equalizer bank has a plurality of equalizers, which are each tuned to a selected data pattern. The detector may be a standard sequence detector or a modified Viterbi detector, which calculates the branch metric using a pattern dependent equalized output and a pattern-dependent target. A method of decoding data uses a pattern dependent equalizer bank. The pattern dependent equalizer bank processes a segment of a bit sequence to produce an equalized pattern-dependent output for each equalizer in parallel. The detector then detects the bit sequence using the branch metric calculation to select the smallest accumulated path metric.
摘要翻译：用于图形相关均衡的系统具有均衡器组和检测器。均衡器组具有多个均衡器，每个均衡器被调谐到选定的数据模式。检测器可以是标准序列检测器或修改的维特比检测器，其使用模式相关的均衡输出和与模式相关的目标来计算分支度量。数据解码的方法使用模式相关的均衡器组。模式相关均衡器组处理一个位序列的一个段，以平行地为每个均衡器产生均衡的模式相关输出。然后，检测器使用分支度量计算来检测比特序列，以选择最小的累积路径度量。

3. 发明申请

US20050168358A1 METHOD AND APPARATUS FOR CODED SYMBOL STUFFING IN RECORDING SYSTEMS 有权
标题翻译：记录系统中编码符号的方法和装置
公开(公告)号：US20050168358A1
公开(公告)日：2005-08-04
申请号：US10767831
申请日：2004-01-29
申请人： Alexander Kuznetsov , Erozan Kurtas
发明人： Alexander Kuznetsov , Erozan Kurtas
IPC分类号： G11B20/14 , H03M5/00 , H03M5/14 , H03M7/00
CPC分类号： H03M5/145 , G11B20/1426
摘要： A system and method of forming RLL coded data streams with separator blocks has an RLL encoder and a channel encoder. The input code word is divided into data portions and a separator portion. The data portions are inserted into an output codeword without encoding. Each data portion is separated from a next data portion by a space. The separator portion is encoded into non-zero separator sub-matrices, which are stuffed into the spaces between the data portions. The separator portions and the data portions may be separately permuted without exceeding a maximum number of consecutive zeros.
摘要翻译：用分离块形成RLL编码数据流的系统和方法具有RLL编码器和信道编码器。输入代码字分为数据部分和分隔部分。将数据部分插入到输出码字中而不进行编码。每个数据部分与下一个数据部分分开一个空格。分离器部分被编码成非零分离子子矩阵，其被填充到数据部分之间的空间中。分离器部分和数据部分可以被分开排列而不超过最大数量的连续零。

4. 发明申请

US20060233287A1 Jitter sensitive maximum-a-posteriori sequence detection 有权
标题翻译：抖动敏感最大后验序列检测
公开(公告)号：US20060233287A1
公开(公告)日：2006-10-19
申请号：US11105008
申请日：2005-04-13
申请人： Xueshi Yang , Erozan Kurtas , Rohit Negi , Xun Zhang
发明人： Xueshi Yang , Erozan Kurtas , Rohit Negi , Xun Zhang
IPC分类号： H03D1/00
CPC分类号： H04L25/03178 , G11B20/10046 , G11B20/10212
摘要： A channel detector has an anchor points inserter, a desired signal calculator, a distance calculator and a data detector. The anchor points inserter is adapted to choose values of expected transition locations for transition shifts within a received signal and to insert anchor points corresponding to the chosen values within a bit detection interval. The desired signal calculator is coupled to the anchor points inserter and is adapted to estimate desired signals corresponding to transition location information from the anchor points inserter. The distance calculator is coupled to the desired signal calculator and is adapted to generate a distance calculator output based on distances between the received signal and each of the desired signals. The data detector is coupled to the distance calculator and is adapted to identify a bit sequence corresponding to a desired signal having a minimum distance from the received signal. The data detector is adapted to generate an output based on the distance calculator output.
摘要翻译：信道检测器具有锚点插入器，期望的信号计算器，距离计算器和数据检测器。锚点插入器适于选择接收信号内的转变位移的预期转换位置的值，并且在位检测间隔内插入与所选择的值对应的锚定点。期望的信号计算器耦合到锚点插入器，并且适于估计对应于来自锚点插入器的转换位置信息的期望信号。距离计算器耦合到期望的信号计算器，并且适于基于接收信号和每个期望信号之间的距离产生距离计算器输出。数据检测器耦合到距离计算器，并且适于识别与从接收信号具有最小距离的期望信号相对应的比特序列。数据检测器适于基于距离计算器输出生成输出。

5. 发明授权

US07333279B2 System and method for drive-side guarantee of quality of service and for extending the lifetime of storage devices 有权
标题翻译：驱动端保证服务质量和延长存储设备使用寿命的系统和方法
公开(公告)号：US07333279B2
公开(公告)日：2008-02-19
申请号：US11085845
申请日：2005-03-22
申请人： Erozan Kurtas , Mehmet Erden , Xueshi Yang
发明人： Erozan Kurtas , Mehmet Erden , Xueshi Yang
IPC分类号： G11B27/36 , G11B21/02
CPC分类号： G11B27/36 , G11B20/10101 , G11B20/182 , G11B2020/1863
摘要： A storage device has a storage medium, a plurality of read-write mechanisms, a quality monitoring and book-keeping unit and a scheduling unit. The plurality of read-write mechanisms is coupled to the storage medium. The quality monitoring and book-keeping unit is coupled to the plurality of read-write mechanisms and is adapted to monitor at least one performance parameter associated with each read-write mechanism during operation. The scheduling unit is coupled to the quality monitoring and book-keeping unit. The scheduling unit is adapted to rank each of the plurality of read-write mechanisms according to the at least one performance parameter and to responsively schedule use of a read-write mechanism according to its rank.
摘要翻译：存储装置具有存储介质，多个读写机构，质量监视和记录单元以及调度单元。多个读写机构耦合到存储介质。质量监视和记录单元耦合到多个读写机构，并且适于在操作期间监视与每个读写机构相关联的至少一个性能参数。调度单元耦合到质量监视和记录单元。调度单元适于根据至少一个性能参数对多个读写机构中的每一个进行排序，并根据其等级响应地调度对读写机制的使用。

6. 发明申请

US20060215290A1 System and method for drive-side guarantee of quality of service and for extending the lifetime of storage devices 有权
标题翻译：驱动端保证服务质量和延长存储设备使用寿命的系统和方法
公开(公告)号：US20060215290A1
公开(公告)日：2006-09-28
申请号：US11085845
申请日：2005-03-22
申请人： Erozan Kurtas , Mehmet Erden , Xueshi Yang
发明人： Erozan Kurtas , Mehmet Erden , Xueshi Yang
IPC分类号： G11B27/36
CPC分类号： G11B27/36 , G11B20/10101 , G11B20/182 , G11B2020/1863
摘要： A storage device has a storage medium, a plurality of read-write mechanisms, a quality monitoring and book-keeping unit and a scheduling unit. The plurality of read-write mechanisms is coupled to the storage medium. The quality monitoring and book-keeping unit is coupled to the plurality of read-write mechanisms and is adapted to monitor at least one performance parameter associated with each read-write mechanism during operation. The scheduling unit is coupled to the quality monitoring and book-keeping unit. The scheduling unit is adapted to rank each of the plurality of read-write mechanisms according to the at least one performance parameter and to responsively schedule use of a read-write mechanism according to its rank.
摘要翻译：存储装置具有存储介质，多个读写机构，质量监视和记录单元以及调度单元。多个读写机构耦合到存储介质。质量监视和记录单元耦合到多个读写机构，并且适于在操作期间监视与每个读写机构相关联的至少一个性能参数。调度单元耦合到质量监视和记录单元。调度单元适于根据至少一个性能参数对多个读写机构中的每一个进行排序，并根据其等级响应地调度对读写机制的使用。

7. 发明授权

US06933865B1 Method and apparatus for coded symbol stuffing in recording systems 有权
标题翻译：记录系统中编码符号填充的方法和装置
公开(公告)号：US06933865B1
公开(公告)日：2005-08-23
申请号：US10767831
申请日：2004-01-29
申请人： Alexander Vasilievich Kuznetsov , Erozan Kurtas
发明人： Alexander Vasilievich Kuznetsov , Erozan Kurtas
IPC分类号： G11B20/14 , H03M5/00 , H03M5/14 , H03M7/00
CPC分类号： H03M5/145 , G11B20/1426
摘要： A system and method of forming RLL coded data streams with separator blocks has an RLL encoder and a channel encoder. The input code word is divided into data portions and a separator portion. The data portions are inserted into an output codeword without encoding. Each data portion is separated from a next data portion by a space. The separator portion is encoded into non-zero separator sub-matrices, which are stuffed into the spaces between the data portions. The separator portions and the data portions may be separately permuted without exceeding a maximum number of consecutive zeros.
摘要翻译：用分离块形成RLL编码数据流的系统和方法具有RLL编码器和信道编码器。输入代码字分为数据部分和分隔部分。将数据部分插入到输出码字中而不进行编码。每个数据部分与下一个数据部分分开一个空格。分离器部分被编码成非零分离子子矩阵，其被填充到数据部分之间的空间中。分离器部分和数据部分可以被分开排列而不超过最大数量的连续零。

8. 发明申请

US20060067434A1 Method and apparatus for providing iterative timing recovery 有权
公开(公告)号：US20060067434A1
公开(公告)日：2006-03-30
申请号：US10950312
申请日：2004-09-24
申请人： Piya Kovintavewat , John Barry , Mehmet Erden , Erozan Kurtas
发明人： Piya Kovintavewat , John Barry , Mehmet Erden , Erozan Kurtas
IPC分类号： H04L27/06
CPC分类号： H04L25/03337 , H04L7/0054
摘要： A method includes the steps of receiving a signal indicative of data bits, and performing per survivor processing-iterative timing recovery (PSP-ITR) on the received signal to generate probabilities of the data bits. To perform PSP-ITR on the received signal, the signal can be processed using a per survivor processing-soft decision algorithm (PSP-SDA) which jointly performs timing recovery and equalization in accordance with embodiments of the present invention. The soft decision algorithm (SDA) can be, for example, a Bahl, Cocke, Jelinek, and Raviv (BCJR) algorithm or a Soft Output Viterbi Algorithm (SOVA) modified in accordance with the concepts of the present invention such that it is configured to implement per survivor processing (PSP) to jointly perform timing recovery and equalization.

9. 发明授权

US07665007B2 Retrial and reread methods and apparatus for recording channels 有权
标题翻译：重读和重新读取频道的方法和设备
公开(公告)号：US07665007B2
公开(公告)日：2010-02-16
申请号：US10881398
申请日：2004-06-30
申请人： Xueshi Yang , Erozan Kurtas
发明人： Xueshi Yang , Erozan Kurtas
IPC分类号： H03M13/00
CPC分类号： G11B20/18 , G11B20/10009
摘要： A method of reading a data block from a sector of a recording media is described. The data block from the sector of the recording channel is decoded with an ECC decoder (first trial). The data block is re-decoded (second trial) using an adjusted timing recovery block that is adjusted based on the decoded data block, if the number of errors exceeded an error correction capability of the ECC decoder on the first trial. In one embodiment, the data block is reread from the same sector of the recording channel using the adjusted timing recovery block that is adjusted based on the re-decoded data block. The data block is subsequently jointly decoded with the waveforms obtained from the second trial by a possibly modified sequence detector, if the number of errors exceeded the error correction capability of the ECC decoder during the second trial.
摘要翻译：描述从记录介质的扇区读取数据块的方法。来自记录通道的扇区的数据块用ECC解码器解码（第一次试用）。如果第一次试验中ECC解码器的错误数量超过错误校正能力，则使用调整后的基于解码数据块调整的定时恢复块对数据块进行再解码（第二次试验）。在一个实施例中，使用经调整的定时恢复块，根据重新解码的数据块进行调整，从记录通道的相同扇区重新读取数据块。如果在第二次试验期间错误数超过了ECC解码器的纠错能力，则数据块随后由可能修改的序列检测器与从第二次试验获得的波形联合解码。

10. 发明申请

US20060227902A1 Method and apparatus for interative noise whitening with causal and anti-causal prediction filters 有权
标题翻译：用因果和反因果预测滤波器迭代噪声增白的方法和装置
公开(公告)号：US20060227902A1
公开(公告)日：2006-10-12
申请号：US11102622
申请日：2005-04-08
申请人： Mustafa Kaynak , Erozan Kurtas
发明人： Mustafa Kaynak , Erozan Kurtas
IPC分类号： H04L27/06
CPC分类号： H04L25/03076 , H04L2025/03356 , H04L2025/03503 , H04L2025/03611
摘要： A channel detector has a belief propagation detector, a causal and anti-causal channel output module, and a noise prediction module. The belief propagation detector is coupled to a channel and is adapted to receive a channel output. The belief propagation detector is adapted to generate tentative bit decisions based in part on the channel output. The causal and anti-causal channel output module is coupled to the belief propagation detector and is adapted to generate causal and anti-causal channel outputs based on the tentative bit decisions. The noise prediction module is coupled to the causal and anti-causal channel output module and is adapted to predict noise samples based on a difference between the channel output and the causal and anti-causal channel outputs. The noise prediction module is adapted to whiten the channel output with the predicted noise samples and to return the whitened channel output to the belief propagation detector to generate new tentative bit decisions.
摘要翻译：信道检测器具有置信传播检测器，因果和反因果信道输出模块以及噪声预测模块。置信传播检测器耦合到信道并且适于接收信道输出。置信传播检测器适于部分地基于信道输出产生临时比特决定。因果和反因果信道输出模块耦合到信任传播检测器，并且适于基于暂定位决定产生因果信道和反因果信道输出。噪声预测模块耦合到因果和反因果信道输出模块，并且适于基于信道输出与因果信道和反因果信道输出之间的差异来预测噪声样本。噪声预测模块适于使用预测的噪声样本对信道输出进行白化，并将白化的信道输出返回到置信传播检测器以产生新的暂定比特决定。

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