公开(公告)号：US08290024B2

公开(公告)日：2012-10-16

申请号：US11151104

申请日：2005-06-13

申请人： Ashwin Sampath ,  Toshio Nagata

发明人： Ashwin Sampath ,  Toshio Nagata

IPC分类号： H04B1/69

CPC分类号： H04L25/03019 ,  H04B1/707 ,  H04B2201/70701 ,  H04L2025/03535 ,  H04L2025/03783 ,  H04L2025/03808

摘要： Methods and apparatus to facilitate improve code division multiple access (CDMA) receivers are disclosed. An example method disclosed herein comprises: receiving a signal containing first portions that are based on known data and second portions that are based on unknown data; generating a training signal, from the received signal, that substantially represents one or more of the first portions; adapting filter coefficients using the training signal; and equalizing the received signal using the adapted filter coefficients.

摘要翻译： 公开了促进改进码分多址（CDMA）接收机的方法和装置。 本文公开的示例性方法包括：接收包含基于已知数据的第一部分的信号和基于未知数据的第二部分; 从所接收的信号产生基本上代表所述第一部分中的一个或多个的训练信号; 使用训练信号调整滤波器系数; 以及使用适配的滤波器系数来均衡所接收的信号。

公开(公告)号：US08242499B2

公开(公告)日：2012-08-14

申请号：US12619835

申请日：2009-11-17

申请人： Toshio Nagata

发明人： Toshio Nagata

IPC分类号： H01L21/66

CPC分类号： H01L22/12 ,  H01L23/544 ,  H01L27/1218 ,  H01L29/78603 ,  H01L2924/0002 ,  H01L2924/30105 ,  H01L2924/00

摘要： A method of producing a semiconductor device includes the steps of preparing an SOQ (Silicon On Quartz) substrate in which a semiconductor layer is formed on a quartz substrate; forming a plurality of semiconductor device forming regions in the SOQ substrate; forming a crack inspection pattern in the SOQ substrate; inspecting the crack inspection pattern to detect a crack in the crack inspection pattern in a first inspection step; and inspecting the semiconductor device forming regions to detect a crack in the semiconductor device forming regions in a second inspection step when the crack is detected in the crack inspection pattern in the first inspection step.

摘要翻译： 一种制造半导体器件的方法包括以下步骤：制备在石英衬底上形成半导体层的SOQ（石英石英）基片; 在所述SOQ基板中形成多个半导体器件形成区域; 在SOQ基板上形成裂纹检查图案; 在第一检查步骤中检查裂纹检查图案以检测裂纹检查图案中的裂纹; 并且在第一检查步骤中在裂纹检查图案中检测到裂纹时，在第二检查步骤中检查半导体器件形成区域以检测半导体器件形成区域中的裂纹。

公开(公告)号：US20070071071A1

公开(公告)日：2007-03-29

申请号：US11518559

申请日：2006-09-08

申请人： Yuan Li ,  Toshio Nagata

发明人： Yuan Li ,  Toshio Nagata

IPC分类号： H04B1/00 ,  H04L27/28

CPC分类号： H04L25/03159 ,  H04B1/712 ,  H04B7/0619 ,  H04B7/0669 ,  H04L2025/03426

摘要： Methods and apparatus to perform frequency-domain equalization in high-speed downlink packet access (HSDPA) receivers for wireless channels with large delay-spreads are disclosed. An example method comprises computing a first frequency-domain equalizer (FDE) coefficient for a first set of multipaths, computing a second FDE coefficient for a second set of multipaths, computing a first equalized signal by equalizing a received code division multiple access (CDMA) signal with the first FDE coefficient, computing a second equalized signal by equalizing the received CDMA signal with the second FDE coefficient, delaying the first equalized signal by a delay difference between the first and the second sets, and combining the delayed first equalized signal and the second equalized signal.

摘要翻译： 公开了用于具有大延迟扩展的无线信道的高速下行链路分组接入（HSDPA）接收机中进行频域均衡的方法和装置。 一个示例性方法包括：计算第一组多路径的第一频域均衡器（FDE）系数，计算第二组多路径的第二FDE系数，通过均衡接收到的码分多址（CDMA） 信号与第一FDE系数，通过使接收的CDMA信号与第二FDE系数相等来计算第二均衡信号，将第一均衡信号延迟第一和第二组之间的延迟差，并将延迟的第一均衡信号和 第二均衡信号。

公开(公告)号：US20070053417A1

公开(公告)日：2007-03-08

申请号：US11518054

申请日：2006-09-08

申请人： Toshio Nagata ,  Yuan Li ,  Raied Salem

发明人： Toshio Nagata ,  Yuan Li ,  Raied Salem

IPC分类号： H04B1/00 ,  H04K1/10

CPC分类号： H04B1/7097 ,  H04B1/7105

摘要： Methods and apparatus to perform fractional-spaced channel estimation for frequency-domain equalizers in high-speed downlink packet access (HSDPA) receivers are disclosed. An example method comprises computing a first fractionally-spaced time-domain channel estimate from an oversampled CDMA signal, and computing a first chip-interval frequency-domain equalizer (FDE) coefficient from the first fractionally-spaced channel estimate.

摘要翻译： 公开了在高速下行链路分组接入（HSDPA）接收机中对频域均衡器执行小数间隔信道估计的方法和装置。 一个示例性方法包括从过采样CDMA信号计算第一小数间隔时域信道估计，以及从第一分数间隔信道估计计算第一码片间隔频域均衡器（FDE）系数。

公开(公告)号：US20060034352A1

公开(公告)日：2006-02-16

申请号：US11151104

申请日：2005-06-13

申请人： Ashwin Sampath ,  Toshio Nagata

发明人： Ashwin Sampath ,  Toshio Nagata

IPC分类号： H04B1/707

CPC分类号： H04L25/03019 ,  H04B1/707 ,  H04B2201/70701 ,  H04L2025/03535 ,  H04L2025/03783 ,  H04L2025/03808

摘要： Methods and apparatus to facilitate improve code division multiple access (CDMA) receivers are disclosed. An example method disclosed herein comprises: receiving a signal containing first portions that are based on known data and second portions that are based on unknown data; generating a training signal, from the received signal, that substantially represents one or more of the first portions; adapting filter coefficients using the training signal; and equalizing the received signal using the adapted filter coefficients.

摘要翻译： 公开了促进改进码分多址（CDMA）接收机的方法和装置。 本文公开的示例性方法包括：接收包含基于已知数据的第一部分的信号和基于未知数据的第二部分; 从所接收的信号产生基本上代表所述第一部分中的一个或多个的训练信号; 使用训练信号调整滤波器系数; 以及使用适配的滤波器系数来均衡所接收的信号。

公开(公告)号：US09552206B2

公开(公告)日：2017-01-24

申请号：US13232774

申请日：2011-09-14

申请人： William M. Johnson ,  Murali S. Chinnakonda ,  Jeffrey L. Nye ,  Toshio Nagata ,  John W. Glotzbach ,  Hamid R. Sheikh ,  Ajay Jayaraj ,  Stephen Busch ,  Shalini Gupta ,  Robert J.P. Nychka ,  David H. Bartley ,  Ganesh Sundararajan

发明人： William M. Johnson ,  Murali S. Chinnakonda ,  Jeffrey L. Nye ,  Toshio Nagata ,  John W. Glotzbach ,  Hamid R. Sheikh ,  Ajay Jayaraj ,  Stephen Busch ,  Shalini Gupta ,  Robert J.P. Nychka ,  David H. Bartley ,  Ganesh Sundararajan

IPC分类号： G06F15/16 ,  G06F15/80 ,  G06F9/30 ,  G06F9/355 ,  G06F9/38 ,  G06F9/45

CPC分类号： G06F9/30076 ,  G06F8/40 ,  G06F9/30 ,  G06F9/30054 ,  G06F9/30101 ,  G06F9/3012 ,  G06F9/355 ,  G06F9/3552 ,  G06F9/3853 ,  G06F9/3887 ,  G06F9/3891 ,  G06F15/16 ,  G06F15/80 ,  G06F15/8053

摘要： Traditionally, providing parallel processing within a multi-core system has been very difficult. Here, however, a system is provided where serial source code is automatically converted into parallel source code, and a processing cluster is reconfigured “on the fly” to accommodate the parallelized code based on an allocation of memory and compute resources. Thus, the processing cluster and its corresponding system programming tool provide a system that can perform parallel processing from a serial program that is transparent to a user. Generally, a control node connected to the address and data leads of a host processor uses messages to control the processing of data in a processing cluster. The cluster includes nodes of parallel processors, shared function memory, a global load/store, and hardware accelerators all connected to the control node by message busses. A crossbar data interconnect routes data to the cluster circuits separate from the message busses.

摘要翻译： 传统上，在多核系统中提供并行处理非常困难。 然而，这里提供了一种系统，其中串行源代码被自动转换为并行源代码，并且“即时”重新配置处理集群，以根据存储器和计算资源的分配来容纳并行化代码。 因此，处理集群及其相应的系统编程工具提供可以对从用户透明的串行程序执行并行处理的系统。 通常，连接到主处理器的地址和数据引线的控制节点使用消息来控制处理集群中的数据的处理。 集群包括并行处理器的节点，共享功能存储器，全局加载/存储以及所有通过消息总线连接到控制节点的硬件加速器。 交叉开关数据互连将数据路由到与消息总线分离的集群电路。

公开(公告)号：US20070053416A1

公开(公告)日：2007-03-08

申请号：US11518025

申请日：2006-09-08

申请人： Yuan Li ,  Toshio Nagata ,  Raied Salem

发明人： Yuan Li ,  Toshio Nagata ,  Raied Salem

IPC分类号： H04B1/00 ,  H04L27/28

CPC分类号： H04B1/406 ,  H04B1/0003 ,  H04B7/04 ,  H04B7/0615 ,  H04L25/0206 ,  H04L25/022 ,  H04L25/03006 ,  H04L25/03159 ,  H04L2025/03426 ,  H04L2025/03522

摘要： Methods and apparatus to perform closed-loop transmit diversity with frequency-domain equalizers in high-speed downlink packet access (HSDPA) receivers are disclosed. An example method comprises receiving a first signal representative of a first code division multiple access (CDMA) signal received from a first transmit antenna and a second signal representative of a second CDMA signal received from a second transmit antenna, computing a first channel estimate for a first path from the first transmit antenna to the receiver, computing a second channel estimate for a second path from the second transmit antenna to the receiver, and computing a frequency-domain equalizer (FDE) coefficient for the first path based on the first and the second channel estimates.

摘要翻译： 公开了在高速下行链路分组接入（HSDPA）接收机中使用频域均衡器执行闭环发射分集的方法和装置。 示例性方法包括：接收表示从第一发射天线接收的第一码分多址（CDMA）信号的第一信号和表示从第二发射天线接收的第二CDMA信号的第二信号，计算第一信道估计 从第一发射天线到接收机的第一路径，计算从第二发射天线到接收机的第二路径的第二信道估计，以及基于第一和第二发射天线计算第一路径的频域均衡器（FDE）系数 第二频道估计。

公开(公告)号：US07072926B2

公开(公告)日：2006-07-04

申请号：US10164868

申请日：2002-06-07

申请人： Toshio Nagata ,  Mitsuhiko Yagyu

发明人： Toshio Nagata ,  Mitsuhiko Yagyu

IPC分类号： G06F1/02

CPC分类号： H04L1/0046 ,  H04L1/0054 ,  H04L1/0061

摘要： Blind transport format detection with sliding window trace-back for evaluating decodings to candidate block lengths together with piecewise linear approximation of the reliability figure (logarithm of ratio of maximum survivor path metric minus minimum survivor path metric divided by 0 state path metric minus minimum survivor path metric) with a small lookup table plus simple logic.

摘要翻译： 具有滑动窗口追溯的盲传输格式检测，用于评估解码到候选块长度以及可靠性图的分段线性近似（最大幸存路径度量减去最小幸存路径度量除以0状态路径度量减去最小幸存路径的比率对数 度量）与一个小的查找表加上简单的逻辑。

公开(公告)号：US06953966B2

公开(公告)日：2005-10-11

申请号：US10254646

申请日：2002-09-26

申请人： Toshio Nagata

发明人： Toshio Nagata

IPC分类号： H01L21/8247 ,  H01L21/28 ,  H01L21/314 ,  H01L21/316 ,  H01L21/321 ,  H01L27/115 ,  H01L29/423 ,  H01L29/788 ,  H01L29/792 ,  H01L21/336

CPC分类号： H01L21/02164 ,  H01L21/02271 ,  H01L21/02337 ,  H01L21/28273 ,  H01L21/31612 ,  H01L21/32105 ,  H01L29/42324

摘要： In a first embodiment, Tetraethyl Orthosilicate Si(OC2H5)4 is used at the process temperature of 650° C.±5° C. as film forming material, to decrease crystal defects occurring during deposition. In a second embodiment, annealing is carried out in sparse oxygen gas atmosphere after deposition, to mend crystal defects that occurred during deposition. In a third embodiment, initial temperature of the CVD device is kept at about 400° C., whereby the start of natural oxidation of the deposition surface is prevented and production circumstances of the semiconductor element is not deteriorated. Then, the CVD device is heated up to CVD temperature of about 750° C. or about 650° C., to deposit oxide.

摘要翻译： 在第一实施方案中，在650℃±5℃的工艺温度下使用四乙基原硅酸盐Si（OC2H5）作为成膜材料，以减少沉积期间发生的晶体缺陷。 在第二实施例中，在沉积之后在稀疏氧气气氛中进行退火，以修复在沉积期间发生的晶体缺陷。 在第三实施例中，CVD装置的初始温度保持在约400℃，从而防止沉积表面的自然氧化开始，并且半导体元件的生产环境不会劣化。 然后，将CVD装置加热至约750℃或约650℃的CVD温度以沉积氧化物。

公开(公告)号：US06830974B2

公开(公告)日：2004-12-14

申请号：US10606792

申请日：2003-06-27

申请人： Toshio Nagata

发明人： Toshio Nagata

IPC分类号： H01L218247

CPC分类号： H01L21/02164 ,  H01L21/02271 ,  H01L21/02304 ,  H01L21/02337 ,  H01L21/28273 ,  H01L21/3144 ,  H01L21/31612 ,  H01L29/42324

摘要： A method of fabricating a semiconductor device includes the steps of forming a first film of silicon nitride or silicon oxynitride on a polysilicon layer, forming a second film of silicon oxide on the first film by chemical vapor deposition, and oxygen-annealing the second film to form a tunnel oxide film. The presence of the silicon nitride or silicon oxynitride film enables an annealing process with a high oxidation capability to be used without oxidizing the polysilicon layer. The leakage of unwanted current through the tunnel oxide film can thereby be reduced, improving the data retention characteristics of devices such as flash memories.