公开(公告)号：US20120297270A1

公开(公告)日：2012-11-22

申请号：US13566372

申请日：2012-08-03

申请人： Ofir Shalvi ,  Naftali Sommer ,  Dotan Sokolov ,  Yoav Kasoria

发明人： Ofir Shalvi ,  Naftali Sommer ,  Dotan Sokolov ,  Yoav Kasoria

IPC分类号： G11C16/10 ,  G06F11/10 ,  H03M13/05

CPC分类号： G11C11/5628 ,  G06F11/1008 ,  G06F11/1068 ,  G11C11/56 ,  G11C16/34 ,  G11C16/3459 ,  G11C29/00 ,  G11C29/52 ,  H03M13/2906

摘要： A method for data storage includes storing first data bits in a set of multi-bit analog memory cells at a first time by programming the memory cells to assume respective first programming levels. Second data bits are stored in the set of memory cells at a second time that is later than the first time by programming the memory cells to assume respective second programming levels that depend on the first programming levels and on the second data bits. A storage strategy is selected responsively to a difference between the first and second times. The storage strategy is applied to at least one group of the data bits, selected from among the first data bits and the second data bits.

摘要翻译： 一种用于数据存储的方法包括：通过对存储器单元进行编程来采用各自的第一编程级别，来将第一数据位在第一时间存储在一组多位模拟存储单元中。 第二数据位通过对存储器单元进行编程以采取依赖于第一编程电平和第二数据位的相应的第二编程电平而在比第一时间晚的第二时间存储在存储单元组中。 响应于第一次和第二次之间的差异选择存储策略。 将存储策略应用于从第一数据位和第二数据位中选择的至少一组数据位。

公开(公告)号：US08208304B2

公开(公告)日：2012-06-26

申请号：US12618732

申请日：2009-11-15

申请人： Ofir Shalvi ,  Naftali Sommer ,  Uri Perlmutter ,  Dotan Sokolov

发明人： Ofir Shalvi ,  Naftali Sommer ,  Uri Perlmutter ,  Dotan Sokolov

IPC分类号： G11C16/04

CPC分类号： G06F11/1068 ,  G11C11/5628 ,  G11C11/5642 ,  G11C16/26 ,  G11C27/005 ,  G11C2211/5641

摘要： A method for data storage includes accepting data for storage in a memory that includes multiple analog memory cells and supports a set of built-in programming commands. Each of the programming commands programs a respective page, selected from a group of N pages, in a subset of the memory cells. The subset of the memory cells is programmed to store M pages of the data, M>N, by performing a sequence of the programming commands drawn only from the set.

摘要翻译： 一种用于数据存储的方法包括接收用于存储在包括多个模拟存储器单元的存储器中的数据，并且支持一组内置的编程命令。 每个编程命令在存储器单元的子集中编写从一组N页中选择的相应页面。 存储器单元的子集被编程为通过执行仅从集合中绘制的编程命令的序列来存储数据的M页M> N。

公开(公告)号：US08174857B1

公开(公告)日：2012-05-08

申请号：US12649360

申请日：2009-12-30

申请人： Naftali Sommer ,  Uri Perlmutter

发明人： Naftali Sommer ,  Uri Perlmutter

IPC分类号： G11C27/00

CPC分类号： G11C11/5642

摘要： A method for data readout includes storing two or more candidate sets of read thresholds for reading from a memory device that includes a plurality of analog memory cells. A group of the memory cells from which data is to be read is identified. An order is defined among the candidate sets of the read thresholds responsively to a criterion defined over the group of the memory cells. Data readout from the group of the memory cells is attempted by iterating over the candidate sets according to the order, until the data is read successfully.

摘要翻译： 一种用于数据读出的方法包括从包括多个模拟存储器单元的存储器件存储用于读取的两个或更多个用于读取的候选读取阈值组。 识别要从中读取数据的一组存储单元。 响应于在存储器单元组上定义的标准，在读取阈值的候选组中定义顺序。 通过根据顺序迭代候选集来尝试来自存储器单元组的数据读取，直到数据被成功读取。

公开(公告)号：US08156398B2

公开(公告)日：2012-04-10

申请号：US12364531

申请日：2009-02-03

申请人： Naftali Sommer

发明人： Naftali Sommer

IPC分类号： H03M13/00

CPC分类号： H03M13/3738 ,  G06F11/1072 ,  G11C16/3418 ,  G11C29/021 ,  G11C29/028 ,  G11C29/42 ,  H03M13/1102 ,  H03M13/15 ,  H03M13/1515 ,  H03M13/152 ,  H03M13/19 ,  H03M13/3723 ,  H03M13/3746 ,  H03M13/6325

摘要： A method for operating a memory, which includes analog memory cells, includes encoding data with an Error Correction Code (ECC) that is representable by a plurality of equations. The encoded data is stored in a group of the analog memory cells by writing respective input storage values to the memory cells in the group. Multiple sets of output storage values are read from the memory cells in the group using one or more different, respective read parameters for each set. Numbers of the equations, which are satisfied by the respective sets of the output storage values, are determined. A preferred setting of the read parameters is identified responsively to the respective numbers of the satisfied equations. The memory is operated on using the preferred setting of the read parameters.

摘要翻译： 一种用于操作包括模拟存储器单元的存储器的方法，包括用可由多个等式表示的纠错码（ECC）编码数据。 通过将相应的输入存储值写入组中的存储器单元，将编码数据存储在一组模拟存储器单元中。 从组中的存储器单元读取多组输出存储值，使用每组的一个或多个不同的相应读取参数。 确定由各组输出存储值所满足的等式的数量。 读取参数的优选设置是响应于所满足的等式的相应数量来确定的。 使用读取参数的首选设置来操作存储器。

公开(公告)号：US20120026789A1

公开(公告)日：2012-02-02

申请号：US13239411

申请日：2011-09-22

申请人： Ofir Shalvi ,  Naftali Sommer ,  Eyal Gurgi ,  Ariel Maislos

发明人： Ofir Shalvi ,  Naftali Sommer ,  Eyal Gurgi ,  Ariel Maislos

IPC分类号： G11C16/06

CPC分类号： G06F11/1068 ,  G06F11/1016 ,  G11C16/26

摘要： A method for operating a memory (28) includes storing data in a group of analog memory cells (32) of the memory as respective first voltage levels. After storing the data, second voltage levels are read from the respective analog memory cells. The second voltage levels are affected by cross-coupling interference causing the second voltage levels to differ from the respective first voltage levels. Cross-coupling coefficients, which quantify the cross-coupling interference among the analog memory cells, are estimated by processing the second voltage levels. The data stored in the group of analog memory cells is reconstructed from the read second voltage levels using the estimated cross-coupling coefficients.

摘要翻译： 用于操作存储器（28）的方法包括将存储器的一组模拟存储器单元（32）中的数据存储为相应的第一电压电平。 在存储数据之后，从相应的模拟存储器单元读取第二电压电平。 第二电压电平受到交叉耦合干扰的影响，导致第二电压电平与相应的第一电压电平不同。 通过处理第二电压电平来估计量化模拟存储器单元之间的交叉耦合干扰的交叉耦合系数。 使用估计的交叉耦合系数，从读取的第二电压电平重建存储在模拟存储器单元组中的数据。

公开(公告)号：US07975192B2

公开(公告)日：2011-07-05

申请号：US11995814

申请日：2007-10-30

申请人： Naftali Sommer ,  Ofir Shalvi ,  Dotan Sokolov

发明人： Naftali Sommer ,  Ofir Shalvi ,  Dotan Sokolov

IPC分类号： G11C29/42 ,  G11C29/50

CPC分类号： G06F11/1068 ,  G11C8/20 ,  G11C11/56 ,  G11C11/5642 ,  G11C27/005

摘要： A method for operating a memory (28) includes storing data, which is encoded with an Error Correction Code (ECC), in analog memory cells (32) of the memory by writing respective analog input values selected from a set of nominal values to the analog memory cells. The stored data is read by performing multiple read operations that compare analog output values of the analog memory cells to different, respective read thresholds so as to produce multiple comparison results for each of the analog memory cells. At least two of the read thresholds are positioned between a pair of the nominal values that are adjacent to one another in the set of the nominal values. Soft metrics are computed responsively to the multiple comparison results. The ECC is decoded using the soft metrics, so as to extract the data stored in the analog memory cells.

摘要翻译： 一种用于操作存储器（28）的方法包括：通过将从一组标称值中选择的相应模拟输入值写入到存储器的模拟存储器单元（32）中来存储用错误校正码（ECC）编码的数据， 模拟存储单元。 通过执行将模拟存储器单元的模拟输出值与不同的相应读取阈值进行比较的多个读取操作来读取存储的数据，以便为每个模拟存储器单元产生多个比较结果。 读取阈值中的至少两个位于在标称值的集合中彼此相邻的一对标称值之间。 响应于多个比较结果计算软指标。 使用软指标对ECC进行解码，以便提取存储在模拟存储单元中的数据。

公开(公告)号：US07821826B2

公开(公告)日：2010-10-26

申请号：US11995805

申请日：2007-10-30

申请人： Ofir Shalvi ,  Naftali Sommer

发明人： Ofir Shalvi ,  Naftali Sommer

IPC分类号： G11C16/04

CPC分类号： G11C16/26 ,  G11C7/16 ,  G11C11/5642 ,  G11C16/24 ,  G11C27/005

摘要： A method for operating a memory (20) includes storing analog values in an array of analog memory cells (22), so that each of the analog memory cells holds an analog value corresponding to at least first and second respective bits. A first indication of the analog value stored in a given analog memory cell is obtained using a first set of sampling parameters. A second indication of the analog value stored in the given analog memory cell is obtained using a second set of sampling parameters, which is dependent upon the first indication. The first and second respective bits are read out from the given analog memory cell responsively to the first and second indications.

摘要翻译： 一种用于操作存储器（20）的方法包括将模拟值存储在模拟存储器单元（22）的阵列中，使得每个模拟存储器单元保持与至少第一和第二相应位对应的模拟值。 使用第一组采样参数获得存储在给定模拟存储器单元中的模拟值的第一指示。 使用取决于第一指示的第二组采样参数来获得存储在给定模拟存储器单元中的模拟值的第二指示。 响应于第一和第二指示，从给定的模拟存储单元读出第一和第二各自的位。

公开(公告)号：US20080198652A1

公开(公告)日：2008-08-21

申请号：US11995811

申请日：2007-05-10

申请人： Ofir Shalvi ,  Naftali Sommer

发明人： Ofir Shalvi ,  Naftali Sommer

IPC分类号： G11C16/04

CPC分类号： G11C11/5628 ,  G11C11/56 ,  G11C16/3404 ,  G11C29/00

摘要： A method for data storage includes accepting data for storage in a memory (28) that includes multiple analog memory cells (32). The data is converted to input values. The input values are filtered using a non-linear filtering operation to produce respective shaped values, and the shaped values are converted to output values using a linear spreading transformation with coefficients chosen so that each of the shaped values contributes to at least two of the output values. The non-linear filtering operation is selected so as to reduce a size of an output range in which the output values lie. The output values are stored in the respective analog memory cells.

摘要翻译： 一种用于数据存储的方法包括接收用于存储在包括多个模拟存储器单元（32）的存储器（28）中的数据。 数据被转换为输入值。 使用非线性滤波操作来过滤输入值以产生相应的成形值，并且使用线性扩展变换将成形值转换为输出值，其中系数被选择，使得每个成形值有助于至少两个输出 价值观。 选择非线性滤波操作，以便减小输出值所在的输出范围的大小。 输出值存储在相应的模拟存储单元中。

公开(公告)号：US07315573B2

公开(公告)日：2008-01-01

申请号：US10273556

申请日：2002-10-18

申请人： Itay Lusky ,  Daniel Wajcer ,  Yosef Bendel ,  Yigal Bitran ,  Naftali Sommer ,  Ofir Shalvi ,  Zvi Reznic ,  Ariel Yagil ,  Eli Haim

发明人： Itay Lusky ,  Daniel Wajcer ,  Yosef Bendel ,  Yigal Bitran ,  Naftali Sommer ,  Ofir Shalvi ,  Zvi Reznic ,  Ariel Yagil ,  Eli Haim

IPC分类号： H04B3/46 ,  H04B17/00 ,  H04Q1/20

CPC分类号： H04L1/0001 ,  H04L1/0003 ,  H04L1/0017 ,  H04L1/0019 ,  H04L1/20 ,  Y02D50/10

摘要： A method is provided for automatically improving throughput of an active channel in a communication system comprising: receiving input from one or more modules that identify and characterize impairments in the active channel; monitoring the input to track changes in the impairments; and changing channel parameters to improve throughput on the channel based on the changes in the impairments. Other systems and methods are disclosed.

摘要翻译： 提供了一种用于自动提高通信系统中的有效信道的吞吐量的方法，包括：从识别并描述有效信道中的损伤的一个或多个模块接收输入; 监测输入以跟踪损伤的变化; 并改变通道参数，以根据损伤的变化改善通道的吞吐量。 公开了其它系统和方法。

公开(公告)号：US20070223597A1

公开(公告)日：2007-09-27

申请号：US11689038

申请日：2007-03-21

申请人： Naor Goldman ,  Naftali Sommer

发明人： Naor Goldman ,  Naftali Sommer

IPC分类号： H04B14/06 ,  H04L5/12

CPC分类号： H04B14/06 ,  H04L1/0057 ,  H04L25/067 ,  H04L27/3845

摘要： A novel apparatus and method of differential decoding for use in a communication system such as a cable system. The differential decoding mechanism of the present invention enables the use of the Chase algorithm for Reed Solomon (RS) codes (i.e. non-binary codes). The mechanism is well suited for use in systems employing QAM data modulation/demodulation techniques and that also incorporate use of a differential encoder such as in DOCSIS capable cable modem systems. The differential decoding mechanism is operative to analyze the input to the differential decoder and adjust the decoding action accordingly. The mechanism generates the first and second candidate constellation points needed by the Chase algorithm. Considering the differential encoding, there are four possible constellation candidates. The differential decoder reduces these four possible options to two by eliminating from consideration two of them. Depending on the number of symbols to be improved by the Chase algorithm, this reduction can potentially reduce the number of options significantly.

摘要翻译： 一种用于诸如电缆系统的通信系统中使用的差分解码的新型装置和方法。 本发明的差分解码机构能够使用Chase算法用于里德所罗门（RS）码（即非二进制码）。 该机制非常适用于采用QAM数据调制/解调技术的系统，并且还结合使用差分编码器，如DOCSIS能力的电缆调制解调器系统。 差分解码机构用于分析差分解码器的输入并相应地调整解码动作。 该机制产生Chase算法所需的第一和第二候选星座点。 考虑到差分编码，有四种可能的星座候选。 差分解码器将这四种可能的选择从两种方案中消除了考虑。 根据Chase算法要改进的符号数量，这种减少可以显着地减少选项数量。