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    COMMUNICATION SYSTEM USING ULTRASONIC WAVES
    11.
    发明申请
    COMMUNICATION SYSTEM USING ULTRASONIC WAVES 审中-公开
    超声波通信系统

    公开(公告)号：WO2011034389A3

    公开(公告)日：2011-07-07

    申请号：PCT/KR2010006446

    申请日：2010-09-17

    Applicant: KOREA ELECTRONICS TELECOMM ,  KWAK BYUNG-JAE ,  LEE KWANG CHUN ,  CHUNG HYUN KYU ,  SONG NAH-OAK

    Inventor： KWAK BYUNG-JAE ,  LEE KWANG CHUN ,  CHUNG HYUN KYU ,  SONG NAH-OAK

    IPC: H04B11/00

    CPC classification number: H04B11/00

    Abstract: Disclosed is a technique for performing communication using ultrasonic waves in an environment in which radio waves are severely blocked and thus wireless communication is difficult to perform. According to the present invention, in an environment in which radio waves are severely blocked, a terminal using ultrasonic waves transmits ultrasonic waves via a solid structure serving as a medium, and a base station using ultrasonic waves receives ultrasonic waves via a solid structure serving as a medium.

    Abstract translation: 公开了一种在无线电波严重阻塞的环境中使用超声波执行通信的技术，因此无线通信难以执行。 根据本发明，在无线电波被严重阻挡的环境中，使用超声波的终端经由用作介质的固体结构发射超声波，并且使用超声波的基站经由用作超声波的固体结构 一种媒介。

    METHOD AND SYSTEM FOR OPERATING COOPERATIVE RECEIVE DIVERSITY, SELECTIVE COOPERATIVE RELAYING
    16.
    发明公开
    METHOD AND SYSTEM FOR OPERATING COOPERATIVE RECEIVE DIVERSITY, SELECTIVE COOPERATIVE RELAYING 无效
    选择合作继电器操作合作伙伴多元化方法与系统

    公开(公告)号：KR20090055802A

    公开(公告)日：2009-06-03

    申请号：KR20070122627

    申请日：2007-11-29

    Applicant: KOREA ELECTRONICS TELECOMM ,  UNIV KOREA RES & BUS FOUND

    Inventor： SEO BANG WON ,  LEE HEE SOO ,  AHN JAE YOUNG ,  CHUNG HYUN KYU ,  KANG CHUNG GU ,  RYU HYUN SEOK ,  YU JUNG JAE

    IPC: H04B7/02 ,  H04B7/26

    CPC classification number: H04B7/026 ,  H04W24/10 ,  H04W88/021

    Abstract: A method and a system for operating cooperative-receiving diversity, and a method and a system for selective and cooperative communication are provided to adopt a selective standard by considering the efficiencies of both a performance improvement effect and a radio resource allocation. An MS(Mobile Station) and an RS(Relay Station) measure the channel quality(S810), and reports the channel quality measurement information to a BS(Base Station)(S820). The BS determines whether or not the MS is a terminal for direct transmission or cooperative relaying(S830). If the MS is for cooperative relaying, the base station calculates an equivalent burst transmission rate(S840). The BS selects one of cooperative communication methods(S850).

    Abstract translation: 提供了一种用于操作协同接收分集的方法和系统，以及用于选择性和协作通信的方法和系统，以通过考虑性能改进效果和无线电资源分配的效率来采用选择性标准。 MS（移动站）和RS（中继站）测量信道质量（S810），并向BS（基站）报告信道质量测量信息（S820）。 BS确定MS是否是用于直接传输或协作中继的终端（S830）。 如果MS用于协同中继，则基站计算等效突发传输速率（S840）。 BS选择协作通信方法之一（S850）。

    Wireless communication device having matched filter
    17.
    发明公开
    Wireless communication device having matched filter 审中-公开
    具有匹配滤波器的无线通信设备

    公开(公告)号：KR20120070350A

    公开(公告)日：2012-06-29

    申请号：KR20100131871

    申请日：2010-12-21

    Applicant: KOREA ELECTRONICS TELECOMM

    Inventor： CHOI SUNG WOO ,  LEE WOO YONG ,  CHUNG HYUN KYU

    IPC: H04W88/02 ,  H04B1/7103

    CPC classification number: Y02D70/00 ,  Y02D70/40 ,  H04W88/02 ,  H03H17/0254 ,  H04B1/7093

    Abstract: PURPOSE: A wireless communication terminal equipped with a matched filter is provided to execute a mode with low power according to characteristic of received signals by selectively operating the matched filter according to the existence of a multiple path. CONSTITUTION: A switch(10) separates and outputs channel estimation signals and data signals from a received frame. A cross correlator(20) receives the channel estimation signals and calculates pre-set channel estimation signals and cross correlation values. A comparing counter(30) counts the number of symbols with higher absolute values of the cross correlation values compared to a reference value. A matched filter(50) receives the cross correlation values and executes a matched filtering process. A multiplexer(40) receives the data signals from the switch and outputs the data signals to the matched filter or bypasses the data signals according to the output of the comparing counter.

    Abstract translation: 目的：提供配备有匹配滤波器的无线通信终端，根据接收信号的特性，根据多路径的存在选择性地运行匹配滤波器，执行低功率模式。 构成：开关（10）从接收到的帧分离并输出信道估计信号和数据信号。 互相关器（20）接收信道估计信号并且计算预设信道估计信号和互相关值。 比较计数器（30）对与参考值相比较的具有较高的互相关值绝对值的符号数进行计数。 匹配滤波器（50）接收互相关值并执行匹配滤波处理。 复用器（40）从开关接收数据信号，并将数据信号输出到匹配滤波器，或者根据比较计数器的输出旁路数据信号。

    MULTIPLE ANTENNA RADIO CHANNEL MEASUREMENT SYSTEM AND METHOD FOR TWO-WAY RADIO CHANNEL MEASUREMENT
    18.
    发明公开
    MULTIPLE ANTENNA RADIO CHANNEL MEASUREMENT SYSTEM AND METHOD FOR TWO-WAY RADIO CHANNEL MEASUREMENT 无效
    多天线无线电通道测量系统和两路无线电通道测量方法

    公开(公告)号：KR20090059790A

    公开(公告)日：2009-06-11

    申请号：KR20070126833

    申请日：2007-12-07

    Applicant: KOREA ELECTRONICS TELECOMM

    Inventor： KIM MYUNG DON ,  PARK JAE JOON ,  KIM WON SOP ,  KWON HEON KOOK ,  CHUNG HYUN KYU

    IPC: H04B7/04 ,  H04B17/00

    CPC classification number: H04B7/0814 ,  H04B17/336

    Abstract: A multiple antenna wireless channel measuring system and a method thereof for measuring a bidirectional radio channel using the time control signal are provided to measure radio channel as wireless measurement mode selected from TDD(Time Division Duplex), FDD(Frequency Division Duplex), and a simplex mode. A controller selects a radio measurement mode, generates measurement signal and receives the measured parameters. A base-band processing unit(200) sets up the transmit receive frequency bandwidth based on the radio determination mode and receives parameters. A synchronization unit(210) generates transmission/reception signal and supplies the transmission/reception signal to the base-band processing unit. An RF(Radio Frequency) processing unit switches an antenna according to the timing control signal.

    Abstract translation: 提供了一种用于使用时间控制信号测量双向无线电信道的多天线无线信道测量系统及其方法，以测量作为从TDD（时分双工），FDD（频分双工）和 单身模式。 控制器选择无线电测量模式，产生测量信号并接收测量的参数。 基带处理单元（200）基于无线电确定模式设置发送接收频率带宽并接收参数。 同步单元（210）产生发送/接收信号，并将发送/接收信号提供给基带处理单元。 RF（射频）处理单元根据定时控制信号切换天线。

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