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    BEAM RECONFIGURABLE ARRAY ANTENNA AND SIGNAL TRANSMITTER APPARATUS EMPLOYING THE SAME
    1.
    发明申请
    BEAM RECONFIGURABLE ARRAY ANTENNA AND SIGNAL TRANSMITTER APPARATUS EMPLOYING THE SAME 有权

    公开(公告)号：US20250096482A1

    公开(公告)日：2025-03-20

    申请号：US18888999

    申请日：2024-09-18

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Jung Nam LEE ,  Kwang Seon KIM

    IPC: H01Q21/06 ,  H01Q3/34 ,  H01Q13/18

    Abstract: Exemplary embodiments provide an array antenna which may be used for the middle-range and long-range communications with the high output power and high sensitivity in a high frequency range such as a terahertz frequency band and which allows to effectively implement the beamforming. An array antenna device includes: a plurality of antenna elements periodically arranged to form a two-dimensional planar array; and a plurality of feeding waveguides each provided to supply a transmit signal to a corresponding one of the plurality of antenna elements. Each antenna element may include a resonance cavity and may be coupled to one of the plurality of feeding waveguides at a rear wall. In each antenna element, a plurality of radio wave radiation holes may be formed on a face of the resonance cavity opposite to a position where the feeding waveguide is coupled to the resonance cavity.

    ARRAY ANTENNA DEVICE BASED ON SINGLE RF CHAIN AND IMPLEMENTATION METHOD THEREOF
    3.
    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。

    HIGH FREQUENCY-BASED ARRAY ANTENNA AND COMMUNICATION METHOD THEREFOR
    5.
    发明申请
    HIGH FREQUENCY-BASED ARRAY ANTENNA AND COMMUNICATION METHOD THEREFOR 有权

    公开(公告)号：US20220320732A1

    公开(公告)日：2022-10-06

    申请号：US17712767

    申请日：2022-04-04

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Jung Nam LEE ,  Woo Jin BYUN ,  Kwang Seon KIM

    IPC: H01Q3/36 ,  H01Q15/00 ,  H01Q5/28 ,  H04B7/0426

    Abstract: An array antenna capable of steering a beam in a first communication node of a wireless communication system may comprise: a plurality of single antennas each capable of variably adjusting a beam steering direction; a plurality of beamforming control units each of which is connected to each of the plurality of single antennas to control a beamforming operation of each of the plurality of single antennas; and an array antenna control unit connected to the plurality of beamforming control units to control a beamforming operation of the entire array antenna, wherein the plurality of single antennas are arranged in a cylindrical shape and are installed to face a direction opposite to a central direction of the cylinder shape, and the array antenna is configured to steer a beam to a predetermined area around the first communication node through at least one single antenna among the plurality of single antennas.

    ELECTRONICALLY STEERABLE PARASITIC RADIATOR ANTENNA AND BEAM FORMING APPARATUS
    9.
    发明申请
    ELECTRONICALLY STEERABLE PARASITIC RADIATOR ANTENNA AND BEAM FORMING APPARATUS 审中-公开
    电子可调式PARASIIC散热器天线和光束形成装置

    公开(公告)号：US20160365632A1

    公开(公告)日：2016-12-15

    申请号：US15158147

    申请日：2016-05-18

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Jung Nam LEE

    IPC: H01Q3/34 ,  H01Q21/29 ,  H01Q1/36 ,  H01Q9/04

    CPC classification number: H01Q9/0442 ,  H01Q3/446

    Abstract: Provided are an electronically steerable parasitic radiator antenna and a beam forming apparatus. The ESPAR antenna includes: an active patch radiator disposed at the center of one surface of a substrate to radiate a beam corresponding to a signal applied through a feeding line; a plurality of parasitic patch elements disposed to have a predetermined angle in different directions, respectively based on a central position of the active patch radiator to derive the beam radiated by the active patch radiator in a predetermined direction; and a reactance element disposed between the active patch radiator and the plurality of parasitic patch elements to determine a direction of the beam radiated by the active patch radiator.

    Abstract translation: 提供了一种电子操纵的寄生辐射天线和波束形成装置。 ESPAR天线包括：设置在基板的一个表面的中心处的有源贴片辐射器，以辐射对应于通过馈送线施加的信号的光束; 分别基于所述有源贴片辐射器的中心位置而沿着预定方向导出由所述有源贴片辐射器辐射的光束而设置成沿不同方向具有预定角度的多个寄生贴片元件; 以及设置在有源贴片辐射器和多个寄生贴片元件之间的电抗元件，以确定由有源贴片辐射器辐射的光束的方向。

    DUAL-POLARIZED DIPOLE ANTENNA
    10.
    发明申请
    DUAL-POLARIZED DIPOLE ANTENNA 有权
    双极化双极天线

    公开(公告)号：US20150214634A1

    公开(公告)日：2015-07-30

    申请号：US14518714

    申请日：2014-10-20

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Jung Nam LEE ,  Kwangchun LEE ,  Gweon Do JO ,  Heon Kook KWON ,  Byung Su KANG ,  Jung Hoon OH

    IPC: H01Q21/26 ,  H01Q9/06

    CPC classification number: H01Q21/26 ,  H01Q1/246 ,  H01Q9/065

    Abstract: Provided is a dual-polarized dipole antenna. The dual-polarized dipole antenna includes a substrate etched as first and second microstrip lines and provided in a cube, first to fourth feeding lines etched as third microstrip lines and disposed in a square type in a vertical direction to the substrate, and first to fourth radiation patches disposed in a square type in the vertical direction to the first to fourth feeding unit, wherein the first to fourth feeding units are respectively disposed on adjacent pairs of the first to fourth radiation patches. According to the present invention, a miniature dual-polarized dipole antenna having a wide bandwidth, high isolation characteristics, and a high gain can be provided.

    Abstract translation: 提供了双极化偶极天线。 双极化偶极天线包括被蚀刻为第一和第二微带线并被设置在立方体中的基板，被蚀刻为第三微带线的第一至第四馈电线并且沿垂直于基板的垂直方向设置为正方形，并且第一至第四 在与第一至第四馈电单元垂直的方向上设置为方形的辐射贴片，其中第一至第四馈电单元分别设置在相邻的第一至第四辐射贴片对上。 根据本发明，可以提供具有宽带宽，高隔离特性和高增益的微型双极化偶极天线。

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