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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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公开(公告)号：KR1020110069656A
公开(公告)日：2011-06-23
申请号：KR1020100009398
申请日：2010-02-02
Applicant: 한국전자통신연구원
Abstract: PURPOSE: An antenna and manufacturing method thereof are provided to increase the number of operating frequency bands while reducing the size of an antenna. CONSTITUTION: A monopole antenna(210) is grounded on a ground surface(240) to transceive a microwave. The monopole antenna is connected to a power supply unit. A dielectric object is coated on the outside of the monopole antenna. An upper conductive plate(220) is formed on the monopole antenna. A cylindrical conductor(230) is separated from the monopole antenna.
Abstract translation: 目的：提供一种天线及其制造方法，以增加工作频带的数量，同时减小天线的尺寸。 构成：单极天线（210）在地表面（240）上接地以收发微波。 单极天线连接到电源单元。 绝缘物体涂覆在单极天线的外侧。 在单极天线上形成上导电板（220）。 圆柱形导体（230）与单极天线分离。
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Patent Agency Ranking
公开(公告)号：KR1020100040216A
公开(公告)日：2010-04-19
申请号：KR1020080099342
申请日：2008-10-09
Applicant: 한국전자통신연구원
CPC classification number: H01Q19/062 , H01Q3/46 , H01Q19/19 , H01Q19/193
Abstract: PURPOSE: A cassegrain antenna for high grain is provided to form a broadband antenna by forming different depths groove scattering parts with the concave part of a main reflection unit. CONSTITUTION: A feeding unit(130) radiates electric wave. A sub-reflection unit(120) reflects the radiated electric wave. A main reflection unit(110) includes a plurality of concavo-convex parts. The main reflection unit reflects the reflected electric wave from the sub-reflection unit. The concave part of the concavo-convex parts of the main reflection unit is formed along the trace of a parabola, parabolic, oblate, spheroid and spherical shapes.
Abstract translation: 目的：通过与主反射单元的凹部形成不同深度的凹槽散射部分，提供用于高粒度的卡斯格林天线以形成宽带天线。 构成：馈电单元（130）辐射电波。 副反射单元（120）反射辐射电波。 主反射单元（110）包括多个凹凸部。 主反射单元反射来自副反射单元的反射电波。 主反射单元的凹凸部的凹部沿抛物线，抛物线形，扁圆形，球状和球形的轨迹形成。
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公开(公告)号：KR1020090063601A
公开(公告)日：2009-06-18
申请号：KR1020070131031
申请日：2007-12-14
Applicant: 한국전자통신연구원
IPC: H03B5/18
CPC classification number: H03B5/1852 , H03B5/1215 , H03B5/1218 , H03B5/1228 , H03B5/1243 , H03B2201/0208
Abstract: A voltage controlled oscillator is provided to obtain a signal with high power without an additional circuit by connecting a transmission line of 1/4 wavelength to a source terminal of an FET for amplifying a buffer and matching the power with the length of a stub for biasing a coupling signal. A voltage controlled oscillator includes an oscillator, an amplifier, and a pair of transmission lines. The amplifier is cross-combined for oscillating a differential signal and is comprised of a pair of FET(2) to amplify the output of the oscillator and an inductor(1). The pair of transmission lines(7) are short-circuited in the source terminal of the FET. The FET of the amplifier connects a drain terminal for amplifying an oscillation frequency. The signal connection line is serially connected to the drain terminal of the FET of the amplifier. The transmission line includes a capacitor with a fixed value.
Abstract translation: 提供压控振荡器以通过将1/4波长的传输线连接到用于放大缓冲器的FET的源极端子并且将功率与用于偏置的短截线的长度匹配来获得具有高功率的信号而不需要额外的电路 耦合信号。 压控振荡器包括振荡器，放大器和一对传输线。 放大器被交叉组合以振荡差分信号，并且包括用于放大振荡器的输出的一对FET（2）和电感器（1）。 一对传输线（7）在FET的源极端子短路。 放大器的FET连接用于放大振荡频率的漏极端子。 信号连接线串联连接到放大器的FET的漏极端子。 传输线包括具有固定值的电容器。
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公开(公告)号：KR100868000B1
公开(公告)日：2008-11-10
申请号：KR1020070058002
申请日：2007-06-13
Applicant: 한국전자통신연구원 , 포항공과대학교 산학협력단
Abstract: 안테나 급전회로 및 스위칭 빔 형성 장치가 개시된다. 이 안테나 급전회로는 입력되는 신호를 분할하는 신호 디바이더; 외부에서 수신되는 제어신호에 따라, 스위칭 동작을 수행하는 스위칭 소자; 상기 스위칭 소자의 스위칭 동작에 따라, 상기 분할된 신호의 위상 천이를 발생시키는 복수의 위상 천이기들; 및 상기 위상 천이기들과 연결되어 있으며, 상기 스위칭 소자의 스위칭 동작에 따라 2 종류의 위상차를 갖는 2개의 섹터 빔을 형성하는 안테나들을 포함하는 것을 특징으로 한다.
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公开(公告)号：KR100805812B1
公开(公告)日：2008-02-21
申请号：KR1020060069805
申请日：2006-07-25
Applicant: 한국전자통신연구원
Abstract: 본 발명에 따르는 적층기판 내 소자 실장 구조는, 복수의 접지 비아로 차폐되어 누설파를 방지하고 적층기판의 통신모듈과 능동 및 수동소자모듈들을 연결하기 위해 상기 통신모듈과 능동 및 수동소자모듈 내에 캐비티가 형성되며, 상기 캐비티의 내부에는 커플링을 통한 신호전달을 위해 입출력 포트가 구비되고, 상기 캐비티의 외부는 소정의 접착수단을 통해 통신모듈과 능동 및 수동소자모듈이 정확하게 정렬되도록 하기 위한 구조로 이루어지는 것을 특징으로 하여, 입출력 포트의 크기와 형태, 및 캐비티의 높이와 크기에 따라 원하는 주파수와 대역폭을 결정할 수 있어 주파수 용도에 맞게 활용할 수 있으며, 별도의 플립 칩이나 와이어 본딩 기술이 필요없이 에폭시나 솔더링을 이용함으로써 제조비용을 절감할 수 있고 소형화 할 수 있는 효과가 있다.
커플링, 캐비티, 입출력 포트, 접지 비아, 에폭시, 솔더링-
公开(公告)号：KR1020070057635A
公开(公告)日：2007-06-07
申请号：KR1020060069805
申请日：2006-07-25
Applicant: 한국전자통신연구원
CPC classification number: H05K3/103 , H05K1/185 , H05K3/305 , H05K3/429 , H05K3/4697
Abstract: A structure for packaging a device within a laminated board, and a laminated board and a device module used thereto are provided to reduce a production cost and to minimize a size by using epoxy or soldering without an additional flip chip or wire bonding. A structure for packaging a device within a laminated board includes cavities(4) formed in a communication module(1) and an active and passive device module(6) to prevent a leakage current by being shielded by a plurality of ground vias(3) and connect the communication module(1) and the active and passive device module(6). The cavity(4) includes input/output ports(7,8) to transmit a signal through a coupling. The communication module(1) and the active and passive device module(6) are arranged accurately outside the cavity(4) through a predetermined bonding device.
Abstract translation: 提供一种用于封装层压板内的器件的结构，以及使用其的层压板和器件模块，以降低生产成本并且通过使用环氧树脂或焊接来减小尺寸，而不需要额外的倒装芯片或引线接合。 用于在层压板内包装器件的结构包括形成在通信模块（1）中的空腔（4）和有源和无源器件模块（6），以通过被多个接地通孔（3）屏蔽来防止漏电流， 并连接通信模块（1）和主动和被动设备模块（6）。 空腔（4）包括通过耦合传输信号的输入/输出端口（7,8）。 通信模块（1）和有源和无源器件模块（6）通过预定的接合装置精确地布置在空腔（4）的外部。
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