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    ANTENNA APPARATUS HAVING ABSORPTIVE SWITCH AND METHOD FOR CONTROLLING REACTANCE LOAD
    13.
    发明申请
    ANTENNA APPARATUS HAVING ABSORPTIVE SWITCH AND METHOD FOR CONTROLLING REACTANCE LOAD 审中-公开
    具有吸收开关的天线装置和控制反应负载的方法

    公开(公告)号：US20160365633A1

    公开(公告)日：2016-12-15

    申请号：US15061282

    申请日：2016-03-04

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Young Kyun CHO ,  Bong Hyuk PARK ,  Jung Hoon OH

    IPC: H01Q3/44

    CPC classification number: H01Q3/44 ,  H01Q19/32

    Abstract: Provided is an antenna apparatus. The antenna apparatus includes: an active antenna configured to transmit and receive a signal; a plurality of passive antennas which are provided in a periphery of the active antenna and which determine a beam pattern; a plurality of reactance loads configured to control a driving of the plurality of passive antennas respectively; and a plurality of switching elements configured to control a driving of the plurality of reactance loads, wherein a reactance value of the plurality of reactance loads is determined according to an impedance of the plurality of switching elements and a transmission line.

    Abstract translation: 提供一种天线装置。 天线装置包括：有源天线，被配置为发送和接收信号; 多个无源天线，设置在有源天线的外围并确定波束图案; 多个电抗负载，被配置成分别控制多个无源天线的驱动; 以及多个开关元件，其被配置为控制所述多个电抗负载的驱动，其中，所述多个电抗负载的电抗值根据所述多个开关元件和传输线的阻抗来确定。

    ARRAY ANTENNA DEVICE BASED ON SINGLE RF CHAIN AND IMPLEMENTATION METHOD THEREOF
    14.
    发明申请
    ARRAY ANTENNA DEVICE BASED ON SINGLE RF CHAIN AND IMPLEMENTATION METHOD THEREOF 审中-公开
    基于单射频链的阵列天线装置及其实现方法

    公开(公告)号：US20160218424A1

    公开(公告)日：2016-07-28

    申请号：US14996634

    申请日：2016-01-15

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Yong Ho LEE ,  Jung Hoon OH ,  Seung Hwan LEE ,  Jung Nam LEE ,  Gweon Do JO ,  Young Kyun CHO

    IPC: H01Q1/50 ,  H01Q21/06

    CPC classification number: H01Q19/32 ,  H01Q1/243

    Abstract: Disclosed are an array antenna device based on a single RF chain and an implementation method thereof. The method includes: defining a modulation technique of a data stream of to be transmitted; defining an operating frequency and an implemented antenna structure parameter based on the defined modulation technique; randomly selecting a load combination by searching all load combinations implementable with respect to parasitic elements of an array antenna; evaluating power and a phase error for a basis pattern based on the modulation technique with respect to the selected load combination; and implementing the array antenna based on one or more selected load combinations according to evaluation results of the power and phase error for all load combinations.

    Abstract translation: 公开了一种基于单个RF链的阵列天线装置及其实现方法。 该方法包括：定义要发送的数据流的调制技术; 基于所定义的调制技术定义工作频率和实现的天线结构参数; 通过搜索关于阵列天线的寄生元件可实现的所有负载组合来随机选择负载组合; 基于相对于所选择的负载组合的调制技术的基准模式的功率评估功率和相位误差; 并且根据所有负载组合的功率和相位误差的评估结果，基于一个或多个所选择的负载组合来实现阵列天线。

    SIGNAL AMPLIFICATION APPARATUS AND METHOD
    15.
    发明申请
    SIGNAL AMPLIFICATION APPARATUS AND METHOD 有权
    信号放大装置和方法

    公开(公告)号：US20150017932A1

    公开(公告)日：2015-01-15

    申请号：US14150084

    申请日：2014-01-08

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Seunghyun JANG ,  Sung Jun LEE ,  Young Kyun CHO ,  Bong Hyuk PARK ,  JAE HO JUNG ,  Kwangchun LEE

    IPC: H04W52/04 ,  H04W52/24

    CPC classification number: H04W52/04 ,  H04W52/241 ,  H04W52/52

    Abstract: A signal amplification apparatus includes a first modulator configured to receive an envelope signal, use a predetermined reference level to separate the received envelope signal into a first period and a second period, digitally modulate a signal of the second period to output the digitally modulated signal to a first output terminal, and output a signal of the first period to a second output terminal. Further, the signal amplification apparatus includes a second modulator configured to mix the digital modulated signal input through the first output terminal with a phase modulated carrier signal; an envelope modulator configured to output the signal of the first period as a power supply signal; and a power amplifier configured to amplify the mixed signal output by the second modulator to output the amplified signal.

    Abstract translation: 信号放大装置包括：第一调制器，被配置为接收包络信号，使用预定的参考电平将接收的包络信号分离成第一周期和第二周期，数字地调制第二周期的信号以输出数字调制信号 第一输出端，​​并将第一周期的信号输出到第二输出端。 此外，信号放大装置包括：第二调制器，被配置为将通过第一输出端子输入的数字调制信号与相位调制载波信号混合; 包络调制器，被配置为输出所述第一周期的信号作为电源信号; 以及功率放大器，被配置为放大由第二调制器输出的混合信号以输出放大的信号。

    SMART ANTENNA SYSTEM AND METHOD FOR IMPROVING RECEIVING PERFORMANCE THEREOF
    19.
    发明申请
    SMART ANTENNA SYSTEM AND METHOD FOR IMPROVING RECEIVING PERFORMANCE THEREOF 有权
    智能天线系统和提高接收性能的方法

    公开(公告)号：US20160218785A1

    公开(公告)日：2016-07-28

    申请号：US15006283

    申请日：2016-01-26

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Young Kyun CHO ,  Bong Hyuk PARK ,  Jung Hoon OH ,  Jung Nam LEE ,  Gweon Do JO

    IPC: H04B7/06 ,  H04B7/08 ,  H01Q3/26

    CPC classification number: H01Q19/32 ,  H04B7/086

    Abstract: A smart antenna system according to an exemplary embodiment of the present invention including a beam forming antenna which includes an active antenna and a plurality of parasitic antennas, the system including: a reactance load which is connected to the parasitic antenna; a transceiver which transmits and receives a signal to the beam forming antenna; and an antenna adjusting block which tracks a signal source in real time using a plurality of beam patterns having the largest signal size and forms a beam in a direction having the largest signal size.

    Abstract translation: 根据本发明的示例性实施例的智能天线系统，包括：波束形成天线，其包括有源天线和多个寄生天线，所述系统包括：连接到所述寄生天线的电抗负载; 发送和接收信号到波束形成天线的收发器; 以及天线调整块，其使用具有最大信号尺寸的多个波束图案实时跟踪信号源，并且在具有最大信号大小的方向上形成波束。

    FULLY DIFFERENTIAL SIGNAL SYSTEM INCLUDING COMMON MODE FEEDBACK CIRCUIT
    20.
    发明申请
    FULLY DIFFERENTIAL SIGNAL SYSTEM INCLUDING COMMON MODE FEEDBACK CIRCUIT 有权
    全面的差分信号系统，包括通用模式反馈电路

    公开(公告)号：US20150229274A1

    公开(公告)日：2015-08-13

    申请号：US14612801

    申请日：2015-02-03

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Young Kyun CHO ,  Jae Ho JUNG ,  Kwangchun LEE

    IPC: H03F1/02 ,  H03F3/45

    CPC classification number: H03F1/083 ,  H03F3/45475 ,  H03F3/45941 ,  H03F2200/129 ,  H03F2200/153 ,  H03F2203/45114 ,  H03F2203/45424 ,  H03F2203/45521

    Abstract: Provided is a fully differential signal system including a first amplification unit including first and second output terminals configured to output an output differential signal generated based on an input differential signal and a common mode feedback signal; a common mode detection unit configured to detect a common mode signal included in the output differential signal; a second amplification unit including a feedback signal output terminal configured to output the common mode feedback signal generated based on the detected common mode signal and a reference signal; a first stabilization unit connected between the first output terminal and the feedback signal output terminal; and a second stabilization unit connected between the second output terminal and the feedback signal output terminal. The fully differential signal system stably operates and an operation performance of the fully differential signal system is improved.

    Abstract translation: 提供了一种全差分信号系统，包括：第一放大单元，包括第一和第二输出端子，第一和第二输出端子被配置为输出基于输入差分信号和共模反馈信号产生的输出差分信号; 共模检测单元，被配置为检测包括在所述输出差分信号中的共模信号; 第二放大单元，包括反馈信号输出端子，其被配置为输出基于检测到的共模信号产生的共模反馈信号和参考信号; 连接在第一输出端子和反馈信号输出端子之间的第一稳定单元; 以及连接在第二输出端子和反馈信号输出端子之间的第二稳定单元。 全差分信号系统稳定运行，提高了全差分信号系统的运行性能。

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