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公开(公告)号：KR101491106B1
公开(公告)日：2015-02-10
申请号：KR1020120087467
申请日：2012-08-09
Applicant: 한국전자통신연구원
IPC: H03D7/16
Abstract: 본 발명은 광대역 주파수 변환장치에 관한 것으로, 수신주파수를 제1 국부발진기에서 발생된 제1 국부발진주파수에 따라 제1 중간주파수로 하향 변환하는 제1 주파수 혼합기, 제1 중간주파수를 제2 국부발진기에서 발생된 제2 국부발진주파수에 따라 제2 중간주파수로 하향 변환하는 제2 주파수 혼합기 및 수신주파수에 따라 제1 중간주파수가 제2 국부발진주파수와 제2 중간주파수에 의해 발생하는 영상주파수에 해당하도록 제1 국부발진기를 제어하는 제어부를 포함하며, 본 발명에 따르면 제1 국부발진주파수의 스윕 범위(sweep range)를 유지하면서 수신주파수 범위를 확장할 수 있으며, 스퓨리어스(spurious) 성능을 개선할 수 있다.
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公开(公告)号：KR1020110134307A
公开(公告)日：2011-12-14
申请号：KR1020110054587
申请日：2011-06-07
Applicant: 한국전자통신연구원
Abstract: PURPOSE: A signal estimation apparatus in a communication system and a method thereof are provided to automatically estimate a signal arrival direction of a received signal in a rapid and accurate way, thereby improving data reception performance of a receiver. CONSTITUTION: A receiving part(110) estimates a signal arrival direction(104) of a received signal(102). The receiving part includes an electronic compass and a directional antenna(112) receiving the received signal in a spatial region. The electronic compass measures an azimuthal angle while being integrated with the directional antenna. A processing part(120) acquires received pattern information of the received signal. A storage part stores directional pattern information for each frequency range of the directional antenna.
Abstract translation: 目的：提供通信系统中的信号估计装置及其方法，以快速准确的方式自动估计接收信号的信号到达方向，从而提高接收机的数据接收性能。 构成：接收部分（110）估计接收信号（102）的信号到达方向（104）。 接收部分包括电子罗盘和在空间区域中接收接收信号的定向天线（112）。 电子罗盘在与定向天线集成时测量方位角。 处理部分（120）获取接收到的信号的接收模式信息。 存储部存储定向天线的每个频率范围的方向图信息。
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公开(公告)号：KR1020170058110A
公开(公告)日：2017-05-26
申请号：KR1020150161910
申请日：2015-11-18
Applicant: 한국전자통신연구원
Abstract: 본발명은가변형안테나및 전파신호탐지장치에관한것이다. 본발명에따른가변형안테나는, 하나이상의액체금속안테나소자로구성된제1 수신부, 상기제1 수신부와다른길이를갖는하나이상의액체금속안테나소자로구성된제2 수신부, 및수신신호의주파수대역에따라상기제1 수신부및 제2 수신부중 어느하나에대한액체금속안테나소자들의길이를전기적으로제어하는이득제어부를포함하며, 상기제1 수신부및 제2 수신부의액체금속안테나소자들에의해구현되는각각의안테나어레이는동일한하나의층(bay) 상에배치된다.
Abstract translation: 本发明涉及可变天线和无线电信号检测装置。 根据本发明的可变天线包括由至少一个液态金属天线元件构成的第一接收单元，由长度与第一接收器不同的至少一个液态金属天线元件构成的第二接收器， 以及增益控制器，用于电控制用于第一接收器或第二接收器的液态金属天线元件的长度，其中由第一接收器和第二接收器的液态金属天线元件实现的每个天线阵列， 被安排在同一个海湾。
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公开(公告)号：KR1020150029411A
公开(公告)日：2015-03-18
申请号：KR1020130108586
申请日：2013-09-10
Applicant: 한국전자통신연구원
CPC classification number: H04B7/0874 , H04B7/086
Abstract: 본 발명에 따르면, 신호 스펙트럼 측정 및 신호의 방향 추정을 위한 전파측정 장치에 있어서, 수신채널에 대하여 가능한 신호 도래 방향에 대하여 전파가림을 회피 가능한 안테나 배열로부터 기준안테나를 가변적으로 선정하고, 이외의 안테나 배열에 대하여 채널 멀티플렉스를 통해 전파를 측정함으로써, 전파 가림 영향을 저감시키고, 듀얼채널 위상-스펙트럼 분석 및 듀얼채널 크로스 스펙트럼을 이용해 잡음을 저감시키고, 다채널 신호에 대한 신호 도래 방향을 보다 정확히 측정할 수 있도록 한다.
Abstract translation: 根据本发明，无线电波测量装置测量信号频谱并估计信号的方向。 无线电波测量装置从能够避免无线电波遮挡的天线阵列中可变地选择标准天线用于接收信道的可用信号到达方向，并通过其他天线阵列的信道复用测量无线电波。 因此，可以通过分析双通道相位谱和使用双通道交叉频谱来减少无线电波闭塞并且可以降低噪声，并且可以精确地测量多信道信号的信号到达方向。 无线电波测量装置包括阵列天线选择单元，标准路由选择单元，信号处理单元，顺序信道多路复用单元和校正信号输入单元。
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Patent Agency Ranking
公开(公告)号：KR1020110071847A
公开(公告)日：2011-06-29
申请号：KR1020090128521
申请日：2009-12-21
Applicant: 한국전자통신연구원
Abstract: PURPOSE: A log periodic antenna is provided to have the directivity of a high gain by reducing the beam width of an H-plane radiation pattern. CONSTITUTION: First and second transmission lines(204,205) are parallel with each other. A plurality of broadband radiate devices(241,251) are connected to the first and second transmission lines. Broadband radiating devices forms a predetermined angle from the first and second transmission lines. The predetermined angle is an acute angle. A first broadband antenna part includes first and second transmission lines and a plurality of broadband radiating devices. The second broadband antenna part comprises the first and second transmission lines and the broadband radiating devices. A feeding part supplies a feed signal to the first and the second broadband antenna part.
Abstract translation: 目的：通过减小H平面辐射图的波束宽度，提供对数周期性天线以具有高增益的方向性。 构成：第一和第二传输线（204,205）彼此平行。 多个宽带辐射装置（241,251）连接到第一和第二传输线。 宽带辐射装置从第一和第二传输线形成预定的角度。 预定角度是锐角。 第一宽带天线部分包括第一和第二传输线以及多个宽带辐射装置。 第二宽带天线部分包括第一和第二传输线和宽带辐射装置。 馈电部分向第一和第二宽带天线部分提供馈送信号。
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公开(公告)号：KR1020150070788A
公开(公告)日：2015-06-25
申请号：KR1020130157391
申请日：2013-12-17
Applicant: 한국전자통신연구원
CPC classification number: H04B17/12 , H04B1/1027
Abstract: 광대역 RF 수신기가제공되며, 전원이인가되면능동안테나로동작하고, 전원이인가되지않으면수동안테나로동작하는듀얼모드안테나, 듀얼모드안테나에바이어스전원을공급하고, 듀얼모드안테나가능동안테나또는수동안테나로구동하도록제어신호를출력하는하이브리드인터페이스장치및 하이브리드인터페이스장치가제어신호를출력하는입력값인신호레벨을측정하는전파측정수신기를포함한다.
Abstract translation: 本发明提供一种宽带RF接收机。 宽带RF接收机包括：双模式天线，当施加电力时作为有源天线工作，并且在不施加电力时作为无源天线工作; 混合接口装置，其向双模天线提供偏置功率，并输出控制信号以使得双模天线能够用作有源或无源天线; 电波测量接收器，其测量作为由混合接口装置用于输出控制信号的输入值的信号电平。
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公开(公告)号：KR1020130143455A
公开(公告)日：2013-12-31
申请号：KR1020120067031
申请日：2012-06-21
Applicant: 한국전자통신연구원
CPC classification number: G01S3/48 , G01S3/74 , H04B17/309 , H04W24/08
Abstract: The present invention comprises: multiple wave measurement antennas; multiple direction finding antennas; a channel selection part which selects target signals used for signal processing among IF signals or an RF signal received from the wave measurement antenna and the direction finding antenna; a first switch matrix which selects one of the wave measurement antenna and the direction finding antenna according to an execution function and selects one of a coherent function and an incoherent function of the target signals inputted into a multi-channel from the channel selection part according to a measurement mode; multiple local oscillators which supply standard frequency for signal processing according to a reception signal sensed in the wave measurement antenna or the direction finding antenna; a second switch matrix which selects the target signals inputted into the multi-channel with the incoherent function using the local oscillators separately by the channel or selects the target signals with the coherent function which divides and uses one local oscillator; a signal processing part which signal-processes the target signal using the standard frequency inputted from the local oscillator; and an information providing part which provides wave measurement information and direction finding information for the signal outputted from the signal processing part according to the execution function and the measurement mode. [Reference numerals] (31) First channel selector;(32) Second channel selector;(52-1,52-m) RF conversion part;(54) Digital processing part;(82) Mutual cross processor;(84) Wave measuring part;(86) Direction finding estimator
Abstract translation: 本发明包括：多个测量天线; 多方向发现天线; 频道选择部，其选择IF信号中使用的信号处理对象信号，或者从所述波测量天线和所述测向天线接收到的RF信号; 第一开关矩阵，其根据执行功能选择波测量天线和测向天线中的一个，并根据信道选择部分选择输入到多信道的目标信号的相干函数和非相干函数之一 测量模式; 多个本地振荡器，其根据在波测量天线或测向天线中感测的接收信号提供用于信号处理的标准频率; 第二开关矩阵，其使用由信道分开的本地振荡器选择具有非相干函数输入到多通道的目标信号，或者选择具有分频并使用一个本地振荡器的相干函数的目标信号; 信号处理部，使用从本地振荡器输入的标准频率对目标信号进行信号处理; 以及信息提供部，其根据执行功能和测量模式，提供从信号处理部输出的信号的波测量信息和方向查找信息。 （31）第一信道选择器;（32）第二信道选择器;（52-1,52-m）RF转换部分;（54）数字处理部分;（82）互交处理器;（84） 部分;（86）方向发现估计器
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公开(公告)号：KR1020130064987A
公开(公告)日：2013-06-19
申请号：KR1020110131644
申请日：2011-12-09
Applicant: 한국전자통신연구원
IPC: H01R43/26 , H01R13/646
Abstract: PURPOSE: An apparatus for locking a radio frequency connector in a communication system is provided to lock the RF connectors precisely and tightly, by using a bevel gear in combining the RF connectors of the communication system. CONSTITUTION: A first connector portion is combined with one side of an antenna module per band of a portable antenna, and includes a first RF(Radio Frequency) connector(122). A second connector portion is combined with an antenna grip, and includes a second RF connector(142). A rotational locking portion(150) combines the first and second RF connectors on one rotary shaft among bevel gear elements in a straight line by using bevel gears(153,154).
Abstract translation: 目的：提供一种用于锁定通信系统中的射频连接器的装置，通过使用组合通信系统的RF连接器的锥齿轮来精确而紧密地锁定RF连接器。 构成：第一连接器部分与便携式天线的每个频带的天线模块的一侧相结合，并且包括第一RF（射频）连接器（122）。 第二连接器部分与天线把手组合，并且包括第二RF连接器（142）。 旋转锁定部分（150）通过使用锥齿轮（153,154）将直线上的锥齿轮元件中的一个旋转轴上的第一和第二RF连接器组合在一起。
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公开(公告)号：KR1020130064354A
公开(公告)日：2013-06-18
申请号：KR1020110130935
申请日：2011-12-08
Applicant: 한국전자통신연구원
IPC: G01S3/02
Abstract: PURPOSE: A high-sensitivity direction finding method and a device thereof are provided to detect a signal lower than a noise level of a reception device in which level is not able to be estimated with an existing direction finding technology. CONSTITUTION: An input signal is received to an antenna module(510) and is divided and converted into more than two first digital signals(530). Two or more first digital signals are Fourier transformed(550). A correlation value of the Fourier transformed two or more first digital signals is calculated(570) and an input signal is determined by using the correlation value if the input signal is a low level signal or is a noise signal(590). [Reference numerals] (510) Antenna module; (530) Divided and converted antenna module; (550) Two or more first Fourier transformed digital signals; (570) Fourier transformed two or more first digital signal; (590) Noise signal; (AA) Start; (BB) Finish
Abstract translation: 目的：提供一种高灵敏度测向方法及其装置，用于检测低于不能用现有方向发现技术来估计电平的接收装置的噪声电平的信号。 构成：输入信号被接收到天线模块（510），并被分割并转换成多于两个的第一数字信号（530）。 两个或多个第一数字信号被傅里叶变换（550）。 计算傅立叶变换的两个或更多个第一数字信号的相关值（570），并且如果输入信号是低电平信号或使用噪声信号（590），则通过使用相关值来确定输入信号。 （附图标记）（510）天线模块; （530）分频转换天线模块; （550）两个或多个第一傅里叶变换数字信号; （570）傅里叶变换的两个或更多个第一数字信号; （590）噪声信号; （AA）开始; （BB）完成
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