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公开(公告)号:KR101808905B1
公开(公告)日:2017-12-14
申请号:KR1020150025056
申请日:2015-02-23
Applicant: 한국전자통신연구원
Abstract: 하나이상의안테나의입력단으로부터입력된하나이상의입력신호를하나이상의경로별로분리하는하나이상의커플러, 상기하나이상의경로별로분리된하나이상의경로신호의크기를검출하는전력검출부, 상기하나이상의경로신호중 어느하나를분배하는전력분배부, 상기전력분배부에의하여분배되는분배신호와상기하나이상의경로신호를혼합하는하나이상의믹싱부, 상기하나이상의믹싱부에의하여혼합된혼합신호의고주파성분을제거하는저역통과필터, 및상기고주파성분이제거된하나이상의필터통과신호의크기를검출하는전압검출부를포함하는송신경로교정장치를제공한다.
Abstract translation: 至少一个耦合器,用于从一个天线用于每个的一个或多个路径,用于检测尺寸通过一个或多个路径中分离的一个或多个路径的信号,该一个或多个路径sinhojung一个电力检测部的输入端子中分离至少一个输入信号的输入 分配功率分配器,用于去除由所述至少一个混合单元,用于分频信号和所述一个或多个路径的信号的混合,所述至少一个混合单元,它是由功率分配器分配到混合混合信号的高频成分的低通滤波器 以及一个电压检测器,用于检测已经去除了高频分量的至少一个滤波器通过信号的幅度。
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公开(公告)号:KR1020150115262A
公开(公告)日:2015-10-14
申请号:KR1020140039995
申请日:2014-04-03
Applicant: 한국전자통신연구원 , 경북대학교 산학협력단
IPC: H04L27/26
CPC classification number: H04B7/022
Abstract: 본발명은설치된안테나의수와사용할안테나수를고려하여안테나조합을결정하는안테나조합결정부, 상기입력받은비트열의송신심벌계수를채널환경에따라결정하는송신심벌결정부, 상기결정된안테나조합정보와상기결정된송신심벌을이용하여부호행렬을결정하는골든 SM(spatial modulation) 부호화부및 골든 SM 부호화부에서부호화된신호를송신하는다중안테나를포함하는다중안테나시스템을개시하고있다.
Abstract translation: 在本发明中,公开了一种多天线系统,其特征在于,包括:天线组合决定单元,用于通过考虑所安装的天线的数量和所使用的天线的数量来确定天线组合; 发送符号确定单元,用于根据信道环境确定输入的比特串的发送符号的系数; 黄金空间调制(SM)编码单元,用于通过使用关于所确定的天线组合和所确定的传输符号的信息来确定码矩阵; 以及用于发送在黄金SM编码单元中编码的信号的多天线。
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公开(公告)号:KR1020150059110A
公开(公告)日:2015-05-29
申请号:KR1020140160566
申请日:2014-11-18
Applicant: 한국전자통신연구원
Abstract: 본명세서는안테나장치를제공한다. 이러한본 명세서는송신기로부터전자파를수신하여상기안테나로분배하는급전부, OAM(Orbital Angular Momentum) 모드전자파를생성하는부반사판및 상기생성된 OAM 모드전자파를반사하여원역장으로복사하는주반사판을포함하는것을특징으로하는안테나장치를개시한다.
Abstract translation: 本公开提供一种天线装置。 本说明书公开了一种天线装置,包括:馈线单元,用于从发射机接收电磁波并将其分配给天线; 产生OAM(轨道角动量)模式电磁波的子反射器单元; 以及反射OAM模式电磁波的主反射体并将其发射到远场。
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公开(公告)号:KR1020140132143A
公开(公告)日:2014-11-17
申请号:KR1020130051272
申请日:2013-05-07
Applicant: 한국전자통신연구원
CPC classification number: H01Q21/065 , H01Q3/46
Abstract: 본 발명의 무선 통신용 반사배열 안테나는, 접지면과, 상기 접지면상에 부착된 유전체 기판과, 상기 유전체 기판 상의 일측에 형성된 제 1 안테나 패치와, 이격 영역을 사이에 두고 상기 제 1 안테나 패치와 인접한 위치에 형성된 제 2 안테나 패치와, 상기 이격 영역에 삽입되며, 직류 전압의 인가를 통해 안테나의 산란파 위상을 조정하는 위상 조정 부재를 포함할 수 있다.
Abstract translation: 本发明的无线电信用反射阵列天线包括接地平面; 附着在接地平面上的电介质基板; 以及形成在所述电介质基板的一侧上的第一天线贴片; 与所述第一天线贴片相邻地形成有分隔区域的第二天线贴片; 以及相位调整部件,其设置在所述分离区域中,以通过直流电压的器具来调整所述天线的散射场的相位。
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公开(公告)号:KR1020140115785A
公开(公告)日:2014-10-01
申请号:KR1020130030883
申请日:2013-03-22
Applicant: 한국전자통신연구원
CPC classification number: H04B7/0602
Abstract: The present invention relates to a wireless link apparatus for transmitting an amount of data of a constant high speed regardless of changes in the surrounding environment such as weather. The present invention provides the wireless link apparatus including: a signal detector for calculating a signal-to-noise ratio based on a signal which is transmitted from at least one of multiple antennas; a mode selector for determining the number of the antennas to be used in a modulation method and signal transmission by comparing the calculated signal-to-noise ratio with a predetermined threshold; and a transmitter for modulating the signal depending on the modulation method which has been determined by the mode selector and for transmitting the modulated signal by using the antenna corresponding to the number of the determined antennas.
Abstract translation: 无线链接装置技术领域本发明涉及一种用于传送恒定高速数据量的无线链路装置,而不管诸如天气等周围环境的变化。 本发明提供一种无线链路装置,包括:信号检测器,用于基于从多个天线中的至少一个发送的信号来计算信噪比; 模式选择器,用于通过将计算的信噪比与预定阈值进行比较来确定调制方法和信号传输中要使用的天线的数量; 以及用于根据由模式选择器确定的调制方法对信号进行调制并通过使用与所确定的天线的数量对应的天线发送调制信号的发射机。
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公开(公告)号:KR1020140110371A
公开(公告)日:2014-09-17
申请号:KR1020130024578
申请日:2013-03-07
Applicant: 한국전자통신연구원 , 서울과학기술대학교 산학협력단
CPC classification number: H04B7/0413 , H01Q3/24 , H01Q21/0006 , H04B7/0604
Abstract: The present invention relates to an antenna switching apparatus in a spatial modulation method capable of minimizing signal distortion by asynchronous switching time by controlling the delay time of a switching control signal applied to each switching unit by analyzing a signal outputted from the switching units connected to multiple antennas. To achieve this, the present invention provides the antenna switching apparatus in the spatial modulation method comprising: a control signal generation unit to generate a switching control signal; the multiple switching units installed at the front ends of each of the antennas to apply a transmission signal to the antennas by executing switching operation according to the switching control signal; a delay analysis unit to calculate delay information for synchronizing the switching control signal applied to the multiple switching units by receiving the transmission signal outputted from each switching unit; and a delay control unit to individually apply the switching control signal to each of the switching units by synchronizing the switching control signal according to the calculated delay information.
Abstract translation: 本发明涉及一种空间调制方法中的天线切换装置,该方法能够通过分析从连接到多个切换单元的切换单元输出的信号,通过控制施加到各切换单元的切换控制信号的延迟时间,通过异步切换时间来最小化信号失真 天线。 为了实现这一点,本发明提供了一种空间调制方法中的天线切换装置,包括:控制信号生成单元,生成开关控制信号; 所述多个切换单元安装在每个天线的前端,通过根据切换控制信号执行切换操作向天线施加发送信号; 延迟分析单元,用于计算延迟信息,用于通过接收从每个开关单元输出的发送信号来同步施加到多个开关单元的开关控制信号; 以及延迟控制单元,用于通过根据所计算的延迟信息使切换控制信号同步,来将切换控制信号单独地应用于每个切换单元。
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公开(公告)号:KR1020140057947A
公开(公告)日:2014-05-14
申请号:KR1020120124341
申请日:2012-11-05
Applicant: 한국전자통신연구원
IPC: H04L27/18
CPC classification number: H04L27/2003
Abstract: The present invention relates to an open ring type continuous phase modulation device which decreases the complexity of a CE method using a continuous phase shift method; has a constant amplitude; and enables the conversion of an existing PSK system into a CPM system through minimum frequency shift. Also, the open ring type continuous phase modulation device enables the most efficient use of PA without a backup as the open ring type continuous phase modulation device can be operated in a point of an RF having the maximum PA without distortion of signals; and is applicable to equipment required for high efficiency wireless transmission technology such as new lighting using LED, military technology, and communication convergence technology.
Abstract translation: 本发明涉及使用连续相移法降低CE方法的复杂度的开环式连续相位调制装置, 具有恒定的振幅; 并且能够通过最小频移将现有的PSK系统转换成CPM系统。 此外,开环型连续相位调制装置能够最有效地使用PA而无需备用,因为开环式连续相位调制装置可以在没有信号失真的具有最大PA的RF的点上操作; 适用于使用LED,军事技术和通信融合技术的新型照明等高效率无线传输技术所需的设备。
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公开(公告)号:KR1020130073609A
公开(公告)日:2013-07-03
申请号:KR1020110141558
申请日:2011-12-23
Applicant: 한국전자통신연구원
CPC classification number: H04W52/242 , H04W52/20 , H04W52/245 , H04W52/52 , Y02D70/00
Abstract: PURPOSE: A transmission power control apparatus of a wireless communication system is provided to improve the performance of the wireless communication system by controlling a transmission power by using a path loss which is changed by an environment of a wireless link. CONSTITUTION: A signal receiving unit (102) receives a reference signal. A path loss calculating unit (104) calculates a path loss by comparing a size of a transmitted reference signal with the size of the received reference signal. A transmission power size determining unit (106) determines a size of an optimal transmission power which minimizes an error of a transmission signal by using the calculated path loss. A signal transmitting unit (108) transmits the transmission signal in the size of the determined optimal transmission power. [Reference numerals] (102) Signal receiving unit; (104) Path loss calculating unit; (106) Transmission power size determining unit; (108) Signal transmitting unit
Abstract translation: 目的:提供一种无线通信系统的发送功率控制装置,通过使用由无线链路的环境改变的路径损耗来控制发送功率来提高无线通信系统的性能。 构成:信号接收单元(102)接收参考信号。 路径损耗计算单元(104)通过将发送的参考信号的大小与接收的参考信号的大小进行比较来计算路径损耗。 发送功率大小确定单元(106)通过使用所计算的路径损耗来确定最小化发送信号的误差的最佳发送功率的大小。 信号发送单元(108)以所确定的最佳发送功率的大小发送发送信号。 (102)信号接收单元; (104)路径损耗计算单元; (106)传输功率大小确定单元; (108)信号发送单元
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公开(公告)号:KR1020120071214A
公开(公告)日:2012-07-02
申请号:KR1020100132857
申请日:2010-12-22
Applicant: 한국전자통신연구원
CPC classification number: H04L27/3854 , H04L27/362 , H04J13/0059 , H04L1/005 , H04L27/2659 , H04L27/266
Abstract: PURPOSE: A point-to-point fixed wireless data transmitting/receiving apparatus of high speed data and a method thereof are provided to efficiently compensate error and noise of a wireless channel and a transmitter by using a frame structure of a CAZAC sequence. CONSTITUTION: A CAZAC(Constant Amplitude Zero Auto Correlation) sequence generating unit(230) generates a CAZAC sequence. A frame generating unit(250) arranges the CAZAC sequence. A CW(Continuous Wave) generating unit(260) generates a CW signal. A MUX(Multiplexer)(280) receives the CW signal. The MUX arranges the CW signal.
Abstract translation: 目的:提供一种高速数据的点对点固定无线数据发送/接收装置及其方法,以通过使用CAZAC序列的帧结构来有效地补偿无线信道和发射机的误差和噪声。 构成:CAZAC(恒幅零自动相关)序列生成单元(230)生成CAZAC序列。 帧生成单元(250)排列CAZAC序列。 CW(连续波)产生单元(260)产生CW信号。 MUX(多路复用器)(280)接收CW信号。 MUX布置CW信号。
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