-
公开(公告)号：KR1020140055930A
公开(公告)日：2014-05-09
申请号：KR1020130041653
申请日：2013-04-16
Applicant: 한국전자통신연구원
IPC: H01P5/18
Abstract: A 90° branch-line hybrid coupler with a reconfigurable output power ratio according to the present invention may include transmission lines which have lengths of 0.25 λo to form an outer closed loop, transmission lines which have four lengths of 0.25 λo to form an inner closed loop, and a control circuit unit to reconstitute characteristic impedance which connects or disconnects the inner closed loop and the outer closed loop.
Abstract translation: 根据本发明的具有可重构输出功率比的90°分支线路混合耦合器可以包括具有0.25λo长度的传输线以形成外部闭环，具有四个长度为0.25λo的传输线以形成内部闭合 循环，以及控制电路单元，用于重构连接或断开内闭环和外闭环的特性阻抗。
-
公开(公告)号：KR1020130071799A
公开(公告)日：2013-07-01
申请号：KR1020110139230
申请日：2011-12-21
Applicant: 한국전자통신연구원
CPC classification number: H04B7/10 , H01Q21/24 , H01Q21/245 , H04B7/0615 , H04B7/0842
Abstract: PURPOSE: Signal transception device and method thereof capable of polarization control are provided to improve quality of a wireless communication service by variably controlling fixed polarization of an existing wireless communication antenna. CONSTITUTION: A weighted value control unit (310) separates an input signal into a plurality of separated signals. The weighted value control unit gives a weighted value for controlling a vector of variable polarization wave to each of the separated signals. A transmission signal generation unit (350) generates a transmission signal with a type capable of wireless transmission using the separated signal in which the weighted value is given. An antenna unit (370) generates the variable polarization wave by transmitting transmission signals corresponding to the emitting devices through a plurality of emitting devices perpendicular with each other. The weighted value is expressed with amplitude and phase. [Reference numerals] (310) Weighted value control unit; (313) Signal separation unit; (315) Weighted value applying unit; (317) Signal coupling unit; (350) Transmission signal generation unit; (370) Antenna unit
Abstract translation: 目的：提供能够进行偏振控制的信号收发装置及其方法，以通过可变地控制现有无线通信天线的固定极化来提高无线通信业务的质量。 构成：加权值控制单元（310）将输入信号分离为多个分离的信号。 加权值控制单元给每个分离信号控制可变偏振波矢量的加权值。 传输信号生成单元（350）使用其中给出加权值的分离信号来生成具有能够进行无线传输的类型的传输信号。 天线单元（370）通过相互垂直的多个发射装置发送对应于发射装置的发射信号来产生可变偏振波。 加权值用振幅和相位表示。 （附图标记）（310）加权值控制单元; （313）信号分离单元; （315）加权值申请单位; （317）信号耦合单元; （350）传输信号生成单元; （370）天线单元
-
公开(公告)号：KR101278918B1
公开(公告)日：2013-06-26
申请号：KR1020100025997
申请日：2010-03-23
Applicant: 한국전자통신연구원 , 연세대학교 산학협력단
Abstract: 본 발명은 격자 셀이 배열된 구조를 가지는 인공 자기 도체(Artificial magnetic conductor: AMC)와 이를 포함하는 안테나에 관한 것으로, 특히, 반사 계수의 위상값을 격자 위치에 따라 다르게 하여 반사파의 동위상면 형태를 조절하고, 반사파의 진행 방향을 조절할 수 있는 인공 자기 도체의 설계 방법에 관한 것이다.
본 발명의 인공 자기 도체는 도전성(導電性) 접지층과 상기 도전성 접지층과 미리 결정된 거리만큼 이격되어 형성되고, 전기 용량성 셀들을 포함하는 도전층과 상기 접지층과 상기 도전층을 전기적으로 연결하는 비아와 상기 도전층에 밀착 또는 미리 결정된 거리만큼 이격되어 배치되는 복수개의 다이폴 안테나를 포함하고, 상기 전기 용량성 셀들은 상기 복수개의 다이폴 안테나를 기준으로 순차적으로 나누어져 그룹화된다.-
公开(公告)号：KR1020130046350A
公开(公告)日：2013-05-07
申请号：KR1020120106353
申请日：2012-09-25
Applicant: 한국전자통신연구원
CPC classification number: H01Q9/0407 , H01Q21/24 , H01Q21/29
Abstract: PURPOSE: Multifunctional power supply circuit and antenna in a communication system are provided to offer various beam pattern diversity and orthogonal polarization diversity when transmitting a signal using an antenna including a multifunctional power supply circuit. CONSTITUTION: A first power supply circuit(100) includes input transmission lines(IL1,IL2) connected to a first internal power supply circuit(110) and terminals(1-6) connected to output transmission lines(OL1-OL4). The input transmission lines are located between nodes(N1-N8) in which input terminals(1,2) are connected. The output transmission lines are located in between the nodes and output terminals(3-6). The input terminals are connected to one of the node formed by boundary transmission lines and nodes formed by cross transmission lines and input a signal. The output terminals are connected to the output nodes and output the inputted signal. The first internal power supply circuit includes nodes and transmission lines(BL1-BL8, CL1-CL4). Boundary transmission lines(BL1-BL8) connect between the nodes. Cross transmission lines(CL1-CL4) are connected to some of the boundary transmission lines and cross in a part made of the boundary transmission lines.
Abstract translation: 目的：提供通信系统中的多功能电源电路和天线，以在使用包括多功能电源电路的天线发送信号时提供各种波束图案分集和正交极化分集。 构成：第一电源电路（100）包括连接到第一内部电源电路（110）的输入传输线（IL1，IL2）和连接到输出传输线（OL1-OL4）的端子（1-6）。 输入传输线位于其中输入端子（1,2）连接的节点（N1-N8）之间。 输出传输线位于节点和输出端子之间（3-6）。 输入端子连接到由边界传输线形成的节点之一和由交叉传输线形成的节点并输入信号。 输出端子连接到输出节点并输出输入信号。 第一内部电源电路包括节点和传输线（BL1-BL8，CL1-CL4）。 边界传输线（BL1-BL8）在节点之间连接。 交叉传输线（CL1-CL4）连接到一些边界传输线并在由边界传输线构成的部分中交叉。
-
公开(公告)号：KR1020110086479A
公开(公告)日：2011-07-28
申请号：KR1020100026784
申请日：2010-03-25
Applicant: 한국전자통신연구원 , 연세대학교 산학협력단
Abstract: PURPOSE: An artificial magnetic conductor structure is provided to deform a ground layer according to characteristic of a specific frequency band and to reduce the size. CONSTITUTION: An artificial magnetic conductor(20) includes a conductor layer(100), a ground layer(200) and a via(300). The conductor layer, formed in the first direction, includes a plurality of grating cells. The ground layer, formed in the second direction opposite to the first direction, includes a plurality of grating cells and a conductive plate. The grating cells of the ground layer has the same size as those of the conductor layer. The conductive plate is not deformed. The ground layer generates a frequency lower than the artificial magnetic conductor. The via, formed between the conductor layer and the ground layer, electrically connects them to each other.
Abstract translation: 目的：提供人造磁导体结构，以根据特定频带的特性使接地层变形，并减小尺寸。 构成：人造磁性导体（20）包括导体层（100），接地层（200）和通孔（300）。 沿第一方向形成的导体层包括多个光栅单元。 在与第一方向相反的第二方向上形成的接地层包括多个光栅单元和导电板。 接地层的光栅单元具有与导体层相同的尺寸。 导电板不变形。 接地层产生低于人造磁导体的频率。 形成在导体层和接地层之间的通孔将它们彼此电连接。
-
Patent Agency Ranking
公开(公告)号：KR1020110044128A
公开(公告)日：2011-04-28
申请号：KR1020100051352
申请日：2010-05-31
Applicant: 한국전자통신연구원
CPC classification number: H03F1/0266 , H03F1/30 , H03F3/19 , H03F2200/132
Abstract: PURPOSE: A device and method for amplifying power are provided to control the amount of currents using the output level and the ACPR(Adjacent Channel Power Ratio) of an amplifier that an ACPR detector detects, thereby increasing the efficiency of the amplifier. CONSTITUTION: A variable attenuating unit(200) controls the size of an input signal. An amplification unit(210) amplifies an input signal whose size is adjusted by the variable attenuating unit to output an analog signal. An ACPR detector(230) detects an ACPR from the output signal of amplifier. The ACPR detector provides size adjustment control information of the variable attenuating unit. A voltage control unit(250) controls the bias voltage of the amplifier according to the detection result of the ACPR detector. The voltage control unit comprises a D/A converter.
Abstract translation: 目的：提供一种用于放大功率的装置和方法，以使用ACPR检测器检测到的放大器的输出电平和ACPR（相邻通道功率比）来控制电流量，从而提高放大器的效率。 构成：可变衰减单元（200）控制输入信号的大小。 放大单元（210）放大由可变衰减单元调整大小的输入信号，以输出模拟信号。 ACPR检测器（230）从放大器的输出信号检测ACPR。 ACPR检测器提供可变衰减单元的尺寸调整控制信息。 电压控制单元（250）根据ACPR检测器的检测结果控制放大器的偏置电压。 电压控制单元包括D / A转换器。
-
公开(公告)号：KR1020110007744A
公开(公告)日：2011-01-25
申请号：KR1020090065338
申请日：2009-07-17
Applicant: 한국전자통신연구원
CPC classification number: H04B7/0608 , H04B1/0458
Abstract: PURPOSE: An antenna system and a signal transmitting method thereof are provided to operate at two or more frequency bands through impedance matching. CONSTITUTION: A divider(100) distributes input signals corresponding to the number of antennas of each frequency band. A control circuit(400) generates a frequency reconfiguration control signal. Frequency reconfiguration amplifiers(200a~200d) selectively output a transmission signal of a frequency band corresponding to the frequency reconfiguration control signal through impedance matching. The frequency reconfiguration amplifiers controls capacitance of a capacitor and the length of a transmission line.
Abstract translation: 目的：提供天线系统及其信号发送方法，以通过阻抗匹配在两个或更多个频带上工作。 构成：分频器（100）分配与每个频带的天线数相对应的输入信号。 控制电路（400）产生频率重构控制信号。 频率重配置放大器（200a〜200d）通过阻抗匹配选择性地输出与频率重构控制信号对应的频带的发送信号。 频率重配置放大器控制电容器的电容和传输线的长度。
-
公开(公告)号：KR1020090021718A
公开(公告)日：2009-03-04
申请号：KR1020070086467
申请日：2007-08-28
Applicant: 한국전자통신연구원
CPC classification number: H04W52/42 , H04B7/0617 , H04W16/28 , H04W24/02
Abstract: A base station transmission-reception antenna and their operating method for increasing the battery usage time of the terminal and expanding cell accommodation area are provided to use the manual active power control method by minimizing the transmit electric power control function. A terminal in which the base station and communications link are formed transmits location information and a transmission level value based on GPS to the base station. The base station collects the location information and transmission level value of my all terminals(S102). The base station performs the real-time cell traffic statistical analysis and uses the location information and transmission level value of collected cell all terminals. The demand radiation pattern mask for the antenna emission pattern generates pattern mask(S104). The actual radiation pattern optimizing process which is suitable for the demand radiation pattern mask is performed through the genetic algorithm which is the link of the high-end pattern synthetic algorithm(S106). The base station extracts the new the antenna aperture vector information(S108). The base station actually produces the beam pattern by performing a cell coverage simulation(S110).
Abstract translation: 提供了一种用于增加终端的电池使用时间和扩展单元容纳区域的基站发送接收天线及其操作方法，以通过使发送功率控制功能最小化来使用手动有功功率控制方法。 其中形成基站和通信链路的终端向基站发送基于GPS的位置信息和发送电平值。 基站收集我所有终端的位置信息和传输级别值（S102）。 基站执行实时小区业务统计分析，并使用收集小区所有终端的位置信息和传输级别值。 用于天线发射图案的需求辐射图案掩模产生图案掩模（S104）。 通过作为高端图案合成算法的链接的遗传算法（S106），实现适合于需求辐射图案掩模的实际辐射图优化处理。 基站提取新的天线孔径矢量信息（S108）。 基站通过进行小区覆盖模拟实际生成波束图案（S110）。
-
公开(公告)号：KR1020070057615A
公开(公告)日：2007-06-07
申请号：KR1020060047743
申请日：2006-05-26
Applicant: 한국전자통신연구원
IPC: H01Q1/27
CPC classification number: H01Q3/04 , H01Q1/3275 , H01Q5/55 , H01Q19/19 , H01Q21/28 , H01Q25/007
Abstract: A mobile tri-band antenna system with a low profile is provided to offer a Ku satellite broadcasting service and a Ka/K satellite communication multimedia service by forming a satellite tracking beam. A mobile tri-band antenna system with a low profile includes a tri-band feeding device(20), a beam forming device(40), an antenna control device(140), a first triplexer device(50), and a second triplexer device(70). The tri-band feeding device(20) distributes satellite broadcasting signals received from a dual reflecting plate device(10) in directions of an azimuth angle and an elevation angle, and transceives satellite communication signals. The beam forming device(40) redistributes the satellite broadcasting signals distributed in the tri-band feeding device(20) into first signal channel signals and second signal channel signals to power-combine the first signal channel signals, and power-combine the second signal channel signals according to switching of channels. The antenna control device(140) drives the antenna system along the directions of the azimuth angle and the elevation angle according to the second signal channel signals power-combined in the beam forming device(40). The first triplexer(50) device outputs the first signal channel signal power-combined in the beam forming device(40) to a rotary joint device(60). The second triplexer(70) provides the first signal channel signal inputted from the rotary joint device(40) to indoor apparatus(400) by converting the first signal channel signal into a downward frequency.
Abstract translation: 提供一种低调的移动三频天线系统，通过形成卫星跟踪光束来提供Ku卫星广播业务和Ka / K卫星通信多媒体业务。 具有低轮廓的移动三频天线系统包括三波段馈送装置（20），波束形成装置（40），天线控制装置（140），第一三工器装置（50）和第二三工器 装置（70）。 三频馈送装置（20）将从双反射板装置（10）接收的卫星广播信号分配在方位角和仰角的方向上，并收发卫星通信信号。 波束形成装置（40）将分配在三波段馈送装置（20）中的卫星广播信号重新分配为第一信号信道信号和第二信号信道信号，以对第一信号信号进行功率合成，并将第二信号 通道信号根据通道切换。 天线控制装置（140）根据在光束形成装置（40）中动力组合的第二信号信号信号沿着方位角和仰角的方向驱动天线系统。 第一三工器（50）装置将在波束形成装置（40）中电力组合的第一信号信号信号输出到旋转接头装置（60）。 第二三工器（70）通过将第一信号信号转换成向下的频率，将从旋转接头装置（40）输入的第一信号信号信号提供给室内装置（400）。
-
公开(公告)号：KR100721559B1
公开(公告)日：2007-05-23
申请号：KR1020050119510
申请日：2005-12-08
Applicant: 한국전자통신연구원
Abstract: 본 발명은 오프셋 이중 반사판 안테나 구조에서 부반사판의 뉴테이션 방법에 의해 위성추적기능이 구현되는 뉴테이션 방법을 이용한 코니컬 스캐닝 안테나 시스템을 제공하는데 그 목적이 있다.
상기 목적을 달성하기 위한 본 발명의 목적은 오프셋 이중 반사판 구조에서 부반사판의 뉴테이션 방법을 이용한 코니컬 스캐닝 안테나 시스템으로서, 주반사부; 급전혼; 및 부반사판의 뉴테이션을 이용하여 코니컬 스캐닝 추적을 하는 부반사부을 포함한다.
본 발명에 의하면, 오프셋 이중 반사판 안테나 구조에서 부반사판의 뉴테이션 방식에 의해 위성추적기능이 구현되는 뉴테이션 방법을 이용한 코니컬 스캐닝 안테나 시스템을 제공할 수 있는 효과가 있다.
뉴테이션, 오프셋 이중 안테나 시스템.Abstract translation: 本发明通过在子反射器的新呈现方法在双偏置反射器天线结构提供了一种使用新的演示文稿的卫星跟踪功能如何实现的一个锥形扫描天线系统。
-
-
-
-
-
-
-
-
-
Search Results
121
records
(took 0.032 seconds)
