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40 条记录 (耗时 0.026 秒)

    Decoding method using adaptive step-size algorithm for a space-time coded DS-CDMA system
    1.
    发明授权
    Decoding method using adaptive step-size algorithm for a space-time coded DS-CDMA system 有权
    用于空时编码DS-CDMA系统的自适应步长算法的解码方法

    公开(公告)号：US07492808B2

    公开(公告)日：2009-02-17

    申请号：US11114508

    申请日：2005-04-26

    申请人： Jae Hong Lee ,  Joo Hyun Yi

    发明人： Jae Hong Lee ,  Joo Hyun Yi

    IPC分类号： H04B1/00

    CPC分类号： H04B1/7105 ,  H04L1/0618

    摘要： Disclosed is a method for decoding received signals on communication channels between at least one transmit antenna and plural receive antennas in a space-time coded direct sequence (DS)-CDMA communication system. The decoding method includes steps of: adjusting the step-size which is an update unit for the tap weight vector for despreading received signals; updating the tap weight vector using the step-size; and despreading the received signals using the tap weight vector. According to the decoding method, the optimal performance can be achieved because the tap weight vector and the step-size are adaptively updated according to changes of communication environment. Such superior performance is more remarkable as the number of receive antennas and transmit antennas increases.

    摘要翻译： 公开了一种在时空编码直接序列（DS）-CDMA通信系统中对至少一个发射天线与多个接收天线之间的通信信道上的接收信号进行解码的方法。 解码方法包括以下步骤：调整作为用于解扩接收信号的抽头加权矢量的更新单元的步长; 使用步长更新抽头权重向量; 并使用抽头权重向量解扩接收到的信号。 根据解码方法，可以根据通信环境的变化自适应地更新抽头加权矢量和步长，从而实现最佳性能。 随着接收天线和发射天线的数量的增加，这种卓越的性能更加显着。

    Light emitting diode package for projection system
    6.
    发明授权
    Light emitting diode package for projection system 有权
    用于投影系统的发光二极管封装

    公开(公告)号：US08092052B2

    公开(公告)日：2012-01-10

    申请号：US12415395

    申请日：2009-03-31

    申请人： Jae Hong Lee

    发明人： Jae Hong Lee

    IPC分类号： F21V5/00

    CPC分类号： H01L33/58 ,  H01L2924/0002 ,  H04N9/315 ,  H01L2924/00

    摘要： A light emitting diode (LED) package for a projection system is provided, which includes a package body having an inner space formed therein and having an open upper portion; and an LED chip mounted onto a bottom of the package body, wherein the package body includes a socket coupling portion formed around the upper portion of the package body to have a certain corresponding thickness and height allowing the socket coupling portion to be inserted into the socket of the optical engine.

    摘要翻译： 提供了一种用于投影系统的发光二极管（LED）封装，其包括形成在其中并具有开口上部的内部空间的封装体; 以及安装在所述封装主体的底部上的LED芯片，其中所述封装主体包括形成在所述封装主体的上部周围的插座连接部分，以具有一定的相应的厚度和高度，从而允许所述插座连接部分插入所述插座 的光学引擎。

    Plasma display panel with light shielding layers having different widths
    7.
    发明授权
    Plasma display panel with light shielding layers having different widths 失效
    具有不同宽度的遮光层的等离子体显示面板

    公开(公告)号：US06867545B2

    公开(公告)日：2005-03-15

    申请号：US10382571

    申请日：2003-03-07

    申请人： Jae Hong Lee

    发明人： Jae Hong Lee

    IPC分类号： H01J11/12 ,  H01J11/44 ,  H01J17/49

    CPC分类号： H01J11/12 ,  H01J11/44 ,  H01J2211/444

    摘要： The present invention relates to a plasma display panel that is adaptive for improving color temperature. A plasma display panel according to an embodiment of the present invention includes barrier ribs partitioning off each of the discharge cells; and a light-shielding layer formed along the barrier ribs, the width of the light-shielding layer is different for different discharge cells.

    摘要翻译： 等离子体显示面板技术领域本发明涉及适于提高色温的等离子体显示面板。 根据本发明的实施例的等离子体显示面板包括：分隔每个放电单元的阻挡肋; 以及沿障壁形成的遮光层，对于不同的放电单元，遮光层的宽度不同。

    Parallel acquisition system using reference matched filter
    8.
    发明授权
    Parallel acquisition system using reference matched filter 失效
    并行采集系统采用参考匹配滤波器

    公开(公告)号：US6111868A

    公开(公告)日：2000-08-29

    申请号：US902288

    申请日：1997-07-29

    申请人： Jae Hong Lee ,  Jin Young Kim

    发明人： Jae Hong Lee ,  Jin Young Kim

    IPC分类号： H04J13/00 ,  H04B1/7093 ,  H04B7/26 ,  H04L12/70 ,  H04W56/00 ,  H04B1/69 ,  H04J13/02

    CPC分类号： H04B1/708 ,  H04B1/70755 ,  H04B1/7093 ,  H04B1/7097

    摘要： A parallel acquisition system configured using a reference matched filter, thereby obtaining a superior acquisition performance and a high throughput as compared to conventional serial acquisition systems and conventional parallel acquisition systems including no reference matched filter. The parallel acquisition system includes a reference matched filter connected in parallel to a plurality of detection matched filters connected together in parallel. The reference matched filter serves to estimate a dispersion of interference components of reception signals respectively input at the detection matched filters. The parallel acquisition system can be applied to the receiver of a spread spectrum system for a packet radio data communication in a multiple access environment.

    摘要翻译： 与使用参考匹配滤波器配置的并行采集系统相比，与传统的串行采集系统和包括无参考匹配滤波器的常规并行采集系统相比，获得了优异的采集性能和高吞吐量。 并行采集系统包括与并联连接在一起的多个检测匹配滤波器并联连接的参考匹配滤波器。 参考匹配滤波器用于估计在检测匹配滤波器处分别输入的接收信号的干扰分量的偏差。 并行采集系统可以应用于多址接入环境中的分组无线电数据通信的扩频系统的接收机。

    Channel estimation apparatus of mobile communication receiver and time tracking method for channel estimation
    9.
    发明授权
    Channel estimation apparatus of mobile communication receiver and time tracking method for channel estimation 有权
    移动通信接收机的信道估计装置和信道估计的时间跟踪方法

    公开(公告)号：US08830919B2

    公开(公告)日：2014-09-09

    申请号：US12793057

    申请日：2010-06-03

    申请人： Jae Hong Lee ,  Young Min Ki

    发明人： Jae Hong Lee ,  Young Min Ki

    IPC分类号： H04W4/00 ,  H03H7/30 ,  H04B1/7113

    CPC分类号： H04B1/7113

    摘要： A time tracking method is provided for channel estimation of a mobile communication receiver and a related channel estimation apparatus is provided. The channel estimation apparatus includes a channel estimation control unit for analyzing and outputting a delay profile of a multipath channel by using a channel estimation value of each multi-tap, a tracking mode control unit for calculating a distance between an earliest tap and a preset margin tap by using the delay profile analysis results, and for generating and outputting a hopping tracking control signal for tracking a position of the earliest tap to a position of the margin tap at a time when the determined distance is greater than a preset hopping threshold value, and a hopping tracking mode execution unit for receiving the hopping tracking control signal and for shifting the position of the earliest tap to the position of the margin tap at a time.

    摘要翻译： 提供了一种用于移动通信接收机的信道估计的时间跟踪方法，并提供了相关的信道估计装置。 信道估计装置包括：信道估计控制单元，用于通过使用每个多抽头的信道估计值来分析和输出多路径信道的延迟分布;跟踪模式控制单元，用于计算最早的抽头与预设余量之间的距离 通过使用延迟分布结果进行抽头，并且用于在所确定的距离大于预设跳变阈值时产生和输出用于跟踪最早抽头的位置到边缘抽头的位置的跳频跟踪控制信号， 以及跳频跟踪模式执行单元，用于接收跳频跟踪控制信号，并且用于将最早的分接头的位置一次移动到边缘分接头的位置。