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148 条记录 (耗时 0.039 秒)

    Method and apparatus for digital communication in the presence of closely spaced adjacent channels
    31.
    发明授权
    Method and apparatus for digital communication in the presence of closely spaced adjacent channels 失效
    在存在紧密间隔的相邻通道的情况下用于数字通信的方法和装置

    公开(公告)号：US5710797A

    公开(公告)日：1998-01-20

    申请号：US447410

    申请日：1995-05-23

    申请人： Mordechai Segal ,  Ofir Shalvi

    发明人： Mordechai Segal ,  Ofir Shalvi

    IPC分类号： H04J1/12 ,  H04L5/06 ,  H04L27/06

    CPC分类号： H04L5/06 ,  H04J1/12 ,  Y02B60/50

    摘要： A single transducer digital communication receiver is described which is capable of extracting the data bits of at least one desired signal in the presence of interfering signals of similar type. The present invention also seeks to provide a communication system in which overlapping transmissions are tolerated and allowed. The present invention describes a design for a digital communication system, according to a specific frequency plan, which includes an appropriate digital demodulator that extracts the data bits of the desired signal(s) in the presence of closely spaced signals. The present invention enables reduced channel spacing in digital communication systems and thereby increases the system capacity (i.e. the number of users per bandwidth unit) without incurring any significant loss in system performance (e.g. power margins, BER, and channel availability). It also allows a reduced power margin that is required to maintain a pre-specified performance level without sacrificing system capacity. These two factors, power margin and system capacity, play a central role in the design and construction of state-of-the-art digital communication systems which seek to pack more users on the same frequency band without incurring significant power loss. Thus, the present invention also provides a method and apparatus for upgrading existing systems such as a cellular system for mobile wireless communications that is based on the IS-54 or the GSM standard.

    摘要翻译： 描述了一种单个换能器数字通信接收机，其能够在存在类似类型的干扰信号的情况下提取至少一个期望信号的数据位。 本发明还寻求提供一种通信系统，其中允许和允许重叠传输。 本发明描述了一种根据特定频率规划的数字通信系统的设计，该设计包括在存在紧密间隔的信号的情况下提取所需信号的数据位的适当的数字解调器。 本发明能够减少数字通信系统中的信道间隔，从而增加系统容量（即，每个带宽单元的用户数量），而不会导致系统性能（例如功率余量，BER和信道可用性）的任何显着损失。 它还允许在不牺牲系统容量的情况下维持预定义的性能水平所需的功率裕度降低。 这两个因素，功率余量和系统容量，在设计和建造最先进的数字通信系统中起着核心作用，这些数字通信系统试图在相同的频带上打包更多的用户，而不会导致显着的功率损耗。 因此，本发明还提供了一种用于升级现有系统的方法和装置，例如基于IS-54或GSM标准的用于移动无线通信的蜂窝系统。

    Methods and apparatus particularly useful for blind deconvolution
    32.
    发明授权
    Methods and apparatus particularly useful for blind deconvolution 失效
    方法和设备特别适用于盲解卷积

    公开(公告)号：US5283813A

    公开(公告)日：1994-02-01

    申请号：US834092

    申请日：1992-02-12

    申请人： Ofir Shalvi ,  Ehud Weinstein

    发明人： Ofir Shalvi ,  Ehud Weinstein

    IPC分类号： H04B3/14 ,  G06F17/10 ,  G06F17/15 ,  G06T5/20 ,  H03H15/00 ,  H03H17/00 ,  H03H21/00 ,  H04B3/23 ,  H04L25/03 ,  H03H7/30

    CPC分类号： H04L25/0305 ,  H04L2025/03662

    摘要： A method and apparatus for controlling an equalizer receiving the output of an unknown system in order to produce a desired response for recovering the input to the system are characterized by iteratively adjusting the equalizer such that the unknown system combined with the equalizer behaves essentially as a linear system whose (t,n) taps, for some combinations of t and n, are iteratively adjusted according to the following rule: ##EQU1## where s.sub.t,n denotes the (t,n) tap before the iteration, s'.sub.t,n denotes the (t,n) tap after the iteration, I is a preselected integer greater then or equal to one, .alpha..sub.i i=1,2 . . . I are preselected scalars that may vary from iteration to iteration, and p.sub.i, q.sub.i i=1,2, . . . I are preselected non-negative integers such that p.sub.i +q.sub.i .gtoreq.2.

    摘要翻译： 用于控制接收未知系统的输出以便产生用于恢复到系统的输入的期望响应的均衡器的方法和装置的特征在于迭代地调整均衡器，使得与均衡器组合的未知系统基本上表现为线性 （t，n）抽头，对于t和n的某些组合，根据以下规则进行迭代调整：（*化学结构*）其中st，n表示迭代​​前的（t，n）抽头，s' t，n表示迭代​​后的（t，n）抽头，I是大于等于1的预选整数，（α）ii = 1,2。 。 。 我是可以从迭代到迭代的预选标量，pi，qi i = 1,2。 。 。 我是预选的非负整数，使得pi + qi> = 2。

    Memory device with adaptive capacity
    33.
    发明授权
    Memory device with adaptive capacity 有权
    具有适应能力的存储器件

    公开(公告)号：US08694859B2

    公开(公告)日：2014-04-08

    申请号：US13539920

    申请日：2012-07-02

    申请人： Ofir Shalvi ,  Dotan Sokolov ,  Ariel Maislos ,  Zeev Cohen ,  Eyal Gurgi ,  Gil Semo

    发明人： Ofir Shalvi ,  Dotan Sokolov ,  Ariel Maislos ,  Zeev Cohen ,  Eyal Gurgi ,  Gil Semo

    IPC分类号： G06F11/00

    CPC分类号： G11C16/349 ,  G06F2212/7205 ,  G06F2212/7206 ,  G11C11/56 ,  G11C11/5607 ,  G11C11/5621 ,  G11C11/5628 ,  G11C11/5642 ,  G11C11/565 ,  G11C11/5657 ,  G11C11/5671 ,  G11C11/5678 ,  G11C27/005 ,  G11C2211/5621 ,  G11C2211/5641

    摘要： A method for data storage in a memory that includes a plurality of analog memory cells includes estimating respective achievable storage capacities of the analog memory cells. The memory cells are assigned respective storage configurations defining quantities of data to be stored in the memory cells based on the estimated achievable capacities. The data is stored in the memory cells in accordance with the respective assigned storage configurations. The achievable storage capacities of the analog memory cells are re-estimated after the memory has been installed in a host system and used for storing the data in the host system. The storage configurations are modified responsively to the re-estimated achievable capacities.

    摘要翻译： 一种用于在包括多个模拟存储器单元的存储器中的数据存储的方法包括估计模拟存储器单元的各自可实现的存储容量。 根据估计的可实现的容量，为存储器单元分配相应的存储配置，其定义要存储在存储器单元中的数据量。 数据根据相应的分配的存储配置存储在存储器单元中。 在存储器已经安装在主机系统中并用于在主机系统中存储数据之后，重新估计模拟存储器单元的可实现的存储容量。 存储配置根据重新估计的可实现容量进行修改。

    Adaptive over-provisioning in memory systems
    37.
    发明授权
    Adaptive over-provisioning in memory systems 有权
    内存系统中的自适应过度配置

    公开(公告)号：US08479080B1

    公开(公告)日：2013-07-02

    申请号：US12822207

    申请日：2010-06-24

    申请人： Ofir Shalvi ,  Naftali Sommer ,  Yoav Kasorla

    发明人： Ofir Shalvi ,  Naftali Sommer ,  Yoav Kasorla

    IPC分类号： H03M13/00

    CPC分类号： G06F12/0802 ,  G06F3/061 ,  G06F3/0619 ,  G06F3/0665 ,  G06F3/0688 ,  G06F11/10 ,  G06F11/1008 ,  G06F12/02 ,  G06F12/0223 ,  G06F12/023 ,  G06F12/0246 ,  G06F2212/7205 ,  Y02D10/13

    摘要： A method for data storage includes, in a memory that includes multiple memory blocks, specifying at a first time a first over-provisioning overhead, and storing data in the memory while retaining in the memory blocks memory areas, which do not hold valid data and whose aggregated size is at least commensurate with the specified first over-provisioning overhead. Portions of the data from one or more previously-programmed memory blocks containing one or more of the retained memory areas are compacted. At a second time subsequent to the first time, a second over-provisioning overhead, different from the first over-provisioning overhead, is specified, and data storage and data portion compaction is continued while complying with the second over-provisioning overhead.

    摘要翻译： 一种用于数据存储的方法包括在包括多个存储器块的存储器中，在第一时间指定第一过度供应开销，并且将数据存储在存储器中，同时保留存储器块，其不保存有效数据， 其聚合大小至少与指定的第一超额配置开销相称。 包含一个或多个保留的存储区域的一个或多个预先编程的存储块的数据的部分被压缩。 在第一次之后的第二时间，指定与第一过度供应开销不同的第二过度供应开销，并且在遵循第二过度供应开销的同时继续数据存储和数据部分压缩。

    Efficient data storage in multi-plane memory devices
    38.
    发明授权
    Efficient data storage in multi-plane memory devices 有权
    在多平面存储设备中高效的数据存储

    公开(公告)号：US08456905B2

    公开(公告)日：2013-06-04

    申请号：US12332370

    申请日：2008-12-11

    申请人： Yoav Kasorla ,  Eyal Gurgi ,  Dotan Sokolov ,  Ofir Shalvi

    发明人： Yoav Kasorla ,  Eyal Gurgi ,  Dotan Sokolov ,  Ofir Shalvi

    IPC分类号： G11C11/34

    CPC分类号： G06F11/1072 ,  G06F12/0246 ,  G06F12/0607 ,  G06F2212/7208 ,  G11C29/52

    摘要： A method for data storage includes initially storing a sequence of data pages in a memory that includes multiple memory arrays, such that successive data pages in the sequence are stored in alternation in a first number of the memory arrays. The initially-stored data pages are rearranged in the memory so as to store the successive data pages in the sequence in a second number of the memory arrays, which is less than the first number. The rearranged data pages are read from the second number of the memory arrays.

    摘要翻译： 一种用于数据存储的方法包括：首先将数据页序列存储在包括多个存储器阵列的存储器中，使得序列中的连续数据页被交替地存储在第一数量的存储器阵列中。 将初始存储的数据页重新排列在存储器中，以便将序列中的连续数据页存储在小于第一数量的第二数量的存储器阵列中。 从第二数量的存储器阵列中读取重新排列的数据页。

    EFFICIENT RE-READ OPERATIONS IN ANALOG MEMORY CELL ARRAYS
    39.
    发明申请
    EFFICIENT RE-READ OPERATIONS IN ANALOG MEMORY CELL ARRAYS 有权
    在模拟存储器单元阵列中有效地重新读取操作

    公开(公告)号：US20120254696A1

    公开(公告)日：2012-10-04

    申请号：US13523352

    申请日：2012-06-14

    申请人： Uri Perlmutter ,  Naftali Sommer ,  Ofir Shalvi

    发明人： Uri Perlmutter ,  Naftali Sommer ,  Ofir Shalvi

    IPC分类号： H03M13/05 ,  G06F11/10

    CPC分类号： G06F11/10 ,  G06F11/1008 ,  G06F11/1068 ,  G11C2029/0411 ,  H03M13/00 ,  H03M13/3761

    摘要： A method for data storage includes storing data, which is encoded with an Error Correction Code (ECC), in a group of analog memory cells by writing respective first storage values to the memory cells in the group. After storing the data, respective second storage values are read from the memory cells in the group, and the read second storage values are processed so as to decode the ECC. Responsively to a failure in decoding the ECC, one or more of the second storage values that potentially caused the failure are identified as suspect storage values. Respective third storage values are re-read from a subset of the memory cells that includes the memory cells holding the suspect storage values. The ECC is re-decoded using the third storage values so as to reconstruct the stored data.

    摘要翻译： 一种用于数据存储的方法包括通过将相应的第一存储值写入组中的存储器单元来将经错误校正码（ECC）编码的数据存储在一组模拟存储器单元中。 在存储数据之后，从组中的存储器单元读取相应的第二存储值，并且处理读取的第二存储值以便对ECC进行解码。 响应于对ECC的解码失败，可​​能导致故障的一个或多个第二存储值被识别为可疑存储值。 从包含存储可疑存储值的存储单元的存储器单元的子集重新读取相应的第三存储值。 使用第三存储值对ECC进行重新解码，以重建存储的数据。

    Selective activation of programming schemes in analog memory cell arrays
    40.
    发明授权
    Selective activation of programming schemes in analog memory cell arrays 有权
    在模拟存储单元阵列中选择性地激活编程方案

    公开(公告)号：US08228701B2

    公开(公告)日：2012-07-24

    申请号：US12714501

    申请日：2010-02-28

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

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

    IPC分类号： G11C27/00

    CPC分类号： G11C27/005 ,  G11C7/02 ,  G11C11/5628 ,  G11C16/3418

    摘要： A method for data storage includes defining a first programming scheme that programs a group of analog memory cells while reducing interference caused by at least one memory cell that neighbors the group, and a second programming scheme that programs the group of the analog memory cells and does not reduce all of the interference reduced by the first programming scheme. One of the first and second programming schemes is selected based on a criterion defined with respect to the analog memory cells. Data is stored in the group of the analog memory cells using the selected programming scheme.

    摘要翻译： 一种用于数据存储的方法包括：定义第一编程方案，其编程一组模拟存储器单元，同时减少由与该组相邻的至少一个存储器单元引起的干扰;以及第二编程方案，其对该组模拟存储器单元进行编程 不能减少第一编程方案减少的所有干扰。 基于针对模拟存储器单元定义的标准来选择第一和第二编程方案之一。 使用所选择的编程方案将数据存储在模拟存储器单元的组中。