Method for estimating symbol timing in feed-forward manner

    公开(公告)号:US07092467B2

    公开(公告)日:2006-08-15

    申请号:US10183466

    申请日:2002-06-28

    IPC分类号: H04L7/00 H04D1/00

    摘要: A receiving system for estimating symbol timing in a feed-forward manner comprises: a matched filter for receiving baseband signals and dividing them into real and imaginary numbers; a symbol timing estimator for receiving signals from the matched filter and estimating symbol timing using variables; a storage unit for storing the variables and outputting them according to requests of the symbol timing estimator; an interpolator for receiving a symbol timing estimate from the symbol timing estimator, and interpolating symbol-reading timing of the baseband signal; a delayer for delaying the baseband signal input to the interpolator; an RF/IF signal processor for receiving RF signals and performing RF/IF signal processing; and a baseband converter for converting the signal output from the RF/IF signal processor into baseband signals, and outputting them to the matched filter.

    System for estimating traffic rate of calls in wireless personal communication environment and method for the same
    2.
    发明授权
    System for estimating traffic rate of calls in wireless personal communication environment and method for the same 有权
    用于估计无线个人通信环境中的通话率的系统及其方法

    公开(公告)号:US06909888B2

    公开(公告)日:2005-06-21

    申请号:US10270702

    申请日:2002-10-14

    摘要: A system for estimating a traffic rate of calls in system environments providing wireless personal communication services on an open queuing network includes modules that have functions of making three sets of nodes, “log_off”, “log_on” and “active” according to the status of communication terminal equipment, observing the number of “log_on” and “active” terminals by minimum areas of each wireless personal communication service, and predicting traffic probability by minimum areas. More specifically, the present invention includes: a traffic parameter observation module for making a set of nodes and collecting observations measured in real time on the respective nodes; a regression analysis module for performing a regression analysis of the observations to assume a prediction model for traffic rates of calls and to estimate the traffic rates of internal-to-internal or external-to-internal calls; and a resource allocation control module for determining whether to allocate resources and how much of the resources to allocate according to the traffic rates of internal-to-internal or external-to-internal calls.

    摘要翻译: 用于估计在开放排队网络中提供无线个人通信服务的系统环境中的呼叫的业务速率的系统包括具有根据状态的“log_off”,“log_on”和“active”三个节点的功能的模块 通信终端设备,通过每个无线个人通信服务的最小区域观察“log_on”和“活动”终端的数量,并以最小面积预测业务概率。 更具体地说,本发明包括:业务参数观测模块,用于在各个节点上实时地进行一组节点和采集观测值; 回归分析模块,用于对观测值进行回归分析,以假设用于呼叫流量速率的预测模型,并估计内部到内部或外部到内部呼叫的流量速率; 以及资源分配控制模块,用于根据内部到内部或外部到内部呼叫的业务速率确定是否分配资源和分配多少资源。

    Apparatus and method for estimating phase error based on variable step size
    5.
    发明授权
    Apparatus and method for estimating phase error based on variable step size 有权
    基于可变步长估计相位误差的装置和方法

    公开(公告)号:US08422600B2

    公开(公告)日:2013-04-16

    申请号:US12536856

    申请日:2009-08-06

    IPC分类号: H04L27/06 H03M13/03

    摘要: Disclosed is a phase error estimating an apparatus and a method which provides improved convergence speed and tracking speed even in mobile channel environment by variably applying the step size for phase error estimation according to channel status. The apparatus for estimating a phase error includes: a posterior probability (APP) average calculating unit for calculating an APP average value from a soft decision result of a currently received symbol; a step size determining unit for determining a step size variably according to channel status; and a phase error estimating unit for estimating a phase error of the currently received symbol from a phase error of a previously received symbol and the APP average value by using the variably determined step size.

    摘要翻译: 公开了一种相位误差估计装置和方法,即使在移动信道环境中也可以通过根据信道状态可变地应用步长来进行相位误差估计,从而提高收敛速度和跟踪速度。 用于估计相位误差的装置包括:后验概率(APP)平均计算单元,用于根据当前接收的符号的软判决结果计算APP平均值; 步长确定单元,用于根据信道状态可变地确定步长; 以及相位误差估计单元,用于通过使用可变确定的步长来估计来自先前接收到的符号的相位误差的当前接收到的符号的相位误差和APP平均值。

    System for controlling temperature of antenna module
    6.
    发明授权
    System for controlling temperature of antenna module 有权
    天线模块温度控制系统

    公开(公告)号:US08422232B2

    公开(公告)日:2013-04-16

    申请号:US13002888

    申请日:2009-07-21

    IPC分类号: H05K7/20

    CPC分类号: H01Q1/02 H01Q1/42

    摘要: A system for controlling temperature of an antenna module including a heat generating module, and a radome and an underbody cover that enclose the heat generating module. The system includes: a heat collecting unit mounted on inner surface of the antenna module; a heat discharging unit mounted on outer surface of the antenna module; and a heat transfer unit for transferring heat from the heat collecting unit to the heat discharging unit.

    摘要翻译: 一种用于控制包括发热模块的天线模块的温度的系统,以及包围发热模块的天线罩和底盖。 该系统包括:安装在天线模块的内表面上的集热单元; 安装在所述天线模块的外表面上的放热单元; 以及用于将热量从集热单元传递到散热单元的传热单元。

    Motion estimation method, medium, and system with fast motion estimation
    7.
    发明授权
    Motion estimation method, medium, and system with fast motion estimation 有权
    运动估计方法,中等和快速运动估计系统

    公开(公告)号:US08335255B2

    公开(公告)日:2012-12-18

    申请号:US11783599

    申请日:2007-04-10

    IPC分类号: H04N7/12

    CPC分类号: H04N19/56 H04N19/51

    摘要: A motion estimation method, medium, and system with fast motion estimation. The motion estimation method includes comparing a cost indicating a difference between a current block of a current image and a block of a reference image specified by a starting point with a predetermined threshold and selectively searching for the best matching block of the current block from the starting point according to the comparison result.

    摘要翻译: 具有快速运动估计的运动估计方法,介质和系统。 运动估计方法包括将当前图像的当前块与由起始点指定的参考图像的块之间的差指定为预定阈值的成本进行比较,并且从开始选择性地搜索当前块的最佳匹配块 根据比较结果。

    Ultra wideband system-on-package
    10.
    发明授权
    Ultra wideband system-on-package 有权
    超宽带系统级封装

    公开(公告)号:US08049319B2

    公开(公告)日:2011-11-01

    申请号:US12604354

    申请日:2009-10-22

    摘要: This research discloses an ultra wideband system-on-package (SoP). The SoP includes a package body; a first integrated circuit mounted on the package body; a first signal transmission unit connected to the first integrated circuit; a signal via connected to the first signal transmission unit and including a slab line and a trough line; and a second signal transmission unit connected to the signal via. The technology of the present research can transmit ultra broadband signals by minimizing discontinuity of signals appearing during vertical transition that occurs in the course of a signal transmission to/from an external circuit, and a fabrication method thereof.

    摘要翻译: 该研究公开了一种超宽带系统级封装(SoP)。 SoP包括一个包装体; 安装在封装主体上的第一集成电路; 连接到第一集成电路的第一信号传输单元; 连接到第一信号传输单元并包括板条线和槽线的信号通路; 以及连接到信号通道的第二信号传输单元。 本研究的技术可以通过最小化在向外部电路传输信号的过程中发生的垂直转换期间出现的信号的不连续性来传输超宽带信号及其制造方法。