Simple and robust digital code tracking loop for wireless communication systems
    101.
    发明授权
    Simple and robust digital code tracking loop for wireless communication systems 有权
    用于无线通信系统的简单稳健的数字代码跟踪循环

    公开(公告)号:US07715463B2

    公开(公告)日:2010-05-11

    申请号:US12119139

    申请日:2008-05-12

    Applicant: Bin Li

    Inventor: Bin Li

    CPC classification number: H04B1/7085 H04B1/7115 H04B1/7117 H04B2001/70706

    Abstract: A simple and robust CTL is used for time tracking of multipath components of a spread spectrum signal transmitted over a wireless multipath fading channel. A digital code-tracking loop includes the implementations of despreading early and late data samples by use of a pseudonoise sequence, an error signal output generated by the despreading, and adjustment for a plurality of on-time, early and late samples, a data rate of a control signal provided as a fractional proportion of a data rate of error signals.

    Abstract translation: 一种简单而鲁棒的CTL用于通过无线多径衰落信道发送的扩频信号的多径分量的时间跟踪。 数字代码跟踪循环包括通过使用伪噪声序列来解扩早期和晚期数据样本的实现,由解扩生成的误差信号输出以及多个准时,早期和晚期样本的调整,数据速率 作为误差信号的数据速率的分数比例提供的控制信号。

    Non-Volatile Single-Event Upset Tolerant Latch Circuit
    103.
    发明申请
    Non-Volatile Single-Event Upset Tolerant Latch Circuit 有权
    非易失性单事件容忍型锁存电路

    公开(公告)号:US20100027321A1

    公开(公告)日:2010-02-04

    申请号:US12525458

    申请日:2008-11-25

    CPC classification number: G11C11/4125 G11C13/0004 G11C14/009

    Abstract: A non-volatile single-event upset (SEU) tolerant latch is disclosed. The non-volatile SEU tolerant latch includes a first and second inverters connected to each other in a cross-coupled manner. The gates of transistors within the first inverter are connected to the drains of transistors within the second inverter via a first feedback resistor. Similarly, the gates of transistors within the second inverter are connected to the drains of transistors within the first inverter via a second feedback resistor. The non-volatile SEU tolerant latch also includes a pair of chalcogenide memory elements connected to the inverters for storing information.

    Abstract translation: 公开了一种非易失性单事件镦粗(SEU)容错锁存器。 非易失性SEU容限锁存器包括以交叉耦合方式彼此连接的第一和第二反相器。 第一反相器内的晶体管的栅极通过第一反馈电阻连接到第二反相器内的晶体管的漏极。 类似地,第二反相器内的晶体管的栅极经由第二反馈电阻器连接到第一反相器内的晶体管的漏极。 非易失性SEU容限锁存器还包括连接到逆变器的一对硫族化物存储元件,用于存储信息。

    Read Reference Circuit for a Sense Amplifier Within a Chalcogenide Memory Device
    105.
    发明申请
    Read Reference Circuit for a Sense Amplifier Within a Chalcogenide Memory Device 有权
    读取硫属化物存储器件内的读出放大器的参考电路

    公开(公告)号:US20100002500A1

    公开(公告)日:2010-01-07

    申请号:US12525482

    申请日:2008-11-26

    Abstract: A read reference circuit for a sense amplifier within a chalcogenide memory device is disclosed. The read reference circuit provides a reference voltage level to the sense amplifier for distinguishing between a logical “0” state and a logical “1” state within a chalcogenide memory cell. In conjunction with a precharge circuit, the read reference circuit generates a selectable read reference current to the sense amplifier in order to detect the logical state of the chalcogenide memory cell. The precharge circuit precharges the bitlines of the chalcogenide memory cell before the sense amplifier detects the logical state of the chalcogenide memory cell.

    Abstract translation: 公开了一种用于硫族化物存储器件内的读出放大器的读取参考电路。 读取参考电路向读出放大器提供参考电压电平,用于区分硫属化物存储单元内的逻辑“0”状态和逻辑“1”状态。 结合预充电电路,读取的参考电路产生可读的读取参考电流到读出放大器,以便检测硫族化物存储单元的逻辑状态。 预充电电路在读出放大器检测到硫族化物存储单元的逻辑状态之前对硫族化物存储单元的位线进行预充电。

    Reduced complexity sliding window based equalizer
    106.
    发明授权
    Reduced complexity sliding window based equalizer 失效
    降低复杂性滑动窗口均衡器

    公开(公告)号:US07609794B2

    公开(公告)日:2009-10-27

    申请号:US12191702

    申请日:2008-08-14

    Abstract: Data estimation is performed in a wireless communication system using both oversampling and multiple reception antennas. A receive vector is produced for each antenna at a sampling interval which is a multiple of the chip rate of the received signal. A channel response matrix is produced for each antenna at a preferred multiple of the sampling rate. Each receive vector is processed using a sliding window based approach, where a plurality of successive windows are processed. For each window, a combined circulant channel response matrix is produced using the channel response matrices. Using the combined circulant channel response matrix and a combined received vector comprising each received vector in a discrete Fourier transform based approach to estimate a data vector corresponding to that window; and combining the data vector estimated in each window to form a combined data vector.

    Abstract translation: 在使用过采样和多个接收天线的无线通信系统中执行数据估计。 以每个天线的采样间隔产生接收矢量,该采样间隔是接收信号的码片速率的倍数。 以采样率的优选倍数为每个天线产生信道响应矩阵。 使用基于滑动窗口的方法处理每个接收向量,其中处理多个连续的窗口。 对于每个窗口,使用信道响应矩阵来产生组合循环信道响应矩阵。 使用组合循环信道响应矩阵和包括基于离散傅立叶变换的方法中的每个接收向量的组合接收向量来估计对应于该窗口的数据矢量; 并组合在每个窗口中估计的数据矢量以形成组合的数据向量。

    LOAD SIMULATOR
    107.
    发明申请
    LOAD SIMULATOR 审中-公开
    负载模拟器

    公开(公告)号:US20090261843A1

    公开(公告)日:2009-10-22

    申请号:US12202346

    申请日:2008-09-01

    Applicant: BIN LI

    Inventor: BIN LI

    CPC classification number: G01R31/40 G01R31/2846

    Abstract: A load simulator includes an indicator, a first resistor, and a second resistor. A first terminal of the indicator is connected to a first pin of a charger, while a second terminal of the indicator is grounded. The indicator and the first resistor are connected in parallel. Two terminals of the second resistor are connected to a second pin of the charger and ground, respectively.

    Abstract translation: 负载模拟器包括指示器,第一电阻器和第二电阻器。 指示器的第一端子连接到充电器的第一引脚,而指示器的第二端子接地。 指示器和第一个电阻并联连接。 第二电阻器的两个端子分别连接到充电器和地的第二引脚。

    Advanced receiver with sliding window block linear equalizer
    108.
    发明授权
    Advanced receiver with sliding window block linear equalizer 失效
    高级接收机带滑动窗口线性均衡器

    公开(公告)号:US07570689B2

    公开(公告)日:2009-08-04

    申请号:US11238318

    申请日:2005-09-29

    CPC classification number: H04L25/03159 H04B17/336

    Abstract: A receiver or an integrated circuit (IC) incorporated therein includes a fast Fourier transform (FFT)-based (or hybrid FFT-based) sliding window block level equalizer (BLE) for generating equalized samples. The BLE includes a noise power estimator, first and second channel estimators, an FFT-based chip level equalizer (CLEQ) and a channel monitor unit. The noise power estimator generates a noise power estimate based on two diverse sample data streams. The channel estimators generate respective channel estimates based on the sample data streams. The channel monitor unit generates a first channel monitor signal including truncated channel estimate vectors based on the channel estimates, and a second channel monitor signal which indicates an approximate rate of change of the truncated channel estimate vectors. The FFT-based CLEQ generates the equalized samples based on the noise power estimate, one-block samples of the first and second sample data streams, the channel estimates and the monitor signals.

    Abstract translation: 结合在其中的接收器或集成电路(IC)包括用于产生均衡样本的基于快速傅立叶变换(FFT)(或基于混合FFT)的滑动窗口块级均衡器(BLE)。 BLE包括噪声功率估计器,第一和第二信道估计器,基于FFT的码片级均衡器(CLEQ)和信道监视器单元。 噪声功率估计器基于两个不同的采样数据流产生噪声功率估计。 信道估计器基于样本数据流生成相应的信道估计。 信道监视单元基于信道估计产生包括截断的信道估计向量的第一信道监视信号,以及指示截断的信道估计向量的近似变化率的第二信道监视信号。 基于FFT的CLEQ基于噪声功率估计,第一和第二采样数据流的一个块采样,信道估计和监视信号来生成均衡的采样。

    METHOD AND SYSTEM FOR TRANSMITTING MESSAGES OVER A FORWARD LINK SIGNALING CHANNEL
    109.
    发明申请
    METHOD AND SYSTEM FOR TRANSMITTING MESSAGES OVER A FORWARD LINK SIGNALING CHANNEL 审中-公开
    用于在前向链路信号通道上传输信息的方法和系统

    公开(公告)号:US20090175293A1

    公开(公告)日:2009-07-09

    申请号:US12399374

    申请日:2009-03-06

    Abstract: A method and system for transmitting messages over an F-SCCH in wireless communication field are disclosed. The method includes the following steps: acquiring a transmission type according to a negotiation between a terminal and a network during a link initialization; configuring a bit number occupied by a message type of messages of the F-SCCH; communicating, by the network, messages with the terminal according to the configured bit number of the message type based on the determined transmission type. With the present invention, redundancy of channel configuration may be decreased, channel configuration of the conventional art is simplified, hence reducing resource occupancy and improving resource utilization of channels.

    Abstract translation: 公开了一种在无线通信领域中通过F-SCCH发送消息的方法和系统。 该方法包括以下步骤:在链路​​初始化期间根据终端和网络之间的协商获取传输类型; 配置由F-SCCH的消息的消息类型占据的比特数; 根据所确定的传输类型,根据所配置的消息类型的位数,通过网络与终端通信。 利用本发明,可以减少信道配置的冗余,简化传统技术的信道配置,从而减少资源占用并提高信道的资源利用。

    METHOD AND DEVICE FOR DISTORTION CORRECTION IN MAGNETIC RESONANCE IMAGING
    110.
    发明申请
    METHOD AND DEVICE FOR DISTORTION CORRECTION IN MAGNETIC RESONANCE IMAGING 有权
    用于磁共振成像中的失真校正的方法和装置

    公开(公告)号:US20090169083A1

    公开(公告)日:2009-07-02

    申请号:US12344900

    申请日:2008-12-29

    Applicant: Guo Bin Li

    Inventor: Guo Bin Li

    CPC classification number: G01R33/56509 G01R33/4824 G01R33/5617 G01R33/56563

    Abstract: In a method and device for correcting distortion in MRI, k-space data are acquired in a number of data readout directions, the data are converted into a number of images, and a corresponding pixel shift map is generated for each image. The geometric distortion in the corresponding image is corrected according to the pixel shift map, and then all geometric distortion-corrected images are combined. Since movement distortion normally exists in the data readout direction, collecting the k-space data from a number of data readout directions can effectively correct movement distortion. Moreover, correcting the geometric distortion for the images converted from data acquired in a number of data readout directions according to the pixel shift map can reduce the geometric distortion of the final image generated from combination of images. The method and device correct not only movement distortion of MRI images, but also geometric distortion of MRI images.

    Abstract translation: 在用于校正MRI中的失真的方法和装置中,在多个数据读出方向上获取k空间数据,将数据转换为多个图像,并且为每个图像生成相应的像素移位图。 根据像素移位图校正相应图像中的几何失真,然后组合所有几何失真校正图像。 由于在数据读出方向上通常存在运动失真,因此从多个数据读出方向收集k空间数据可以有效地校正运动失真。 此外,根据像素移位图,对从数据读出方向获取的数据转换的图像的几何失真进行校正可以减少由图像组合产生的最终图像的几何失真。 该方法和装置不仅校正MRI图像的运动失真,而且校正MRI图像的几何失真。

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