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11.发明授权Method for inter-beam interference reduction using cross polarization and method for transmitting/receiving signal 有权使用交叉极化的射束间干扰减少的方法和用于发送/接收信号的方法公开(公告)号：US09338662B2
公开(公告)日：2016-05-10
申请号：US14624812
申请日：2015-02-18
Inventor： Bong Su Kim , Min Soo Kang , Kwang Seon Kim , Woo Jin Byun
IPC: H04W16/28
CPC classification number: H04W16/28
Abstract: Disclosed are a method for inter-beam interference reduction using cross polarization and a method for transmitting/receiving a signal. A transmitting method of a base station in a wireless communication system, includes: configuring a first parameter for forming a first beam having first polarization with respect to a terminal located in a first sub-sector, and configuring a second parameter for forming a second beam having second polarization with respect to a terminal located in a second sub-sector; and transmitting a signal to each terminal by forming the first beam using at least one antenna based on the configured first parameter and forming the second beam using the at least one antenna based on the configured second parameter, wherein a frequency band equal to a frequency band of the first sub-sector is allocated to the second sub-sector in a cell in the base station.
Abstract translation: 公开了使用交叉极化的光束间干扰减少的方法和用于发送/接收信号的方法。 一种在无线通信系统中的基站的发送方法，包括：配置第一参数，用于形成相对于位于第一子扇区中的终端具有第一极化的第一波束，以及配置用于形成第二波束的第二参数 相对于位于第二子扇区中的终端具有第二极化; 以及基于所配置的第一参数通过使用至少一个天线形成所述第一波束并将信号发送到每个终端，并且基于所述配置的第二参数，使用所述至少一个天线形成所述第二波束，其中等于频带 的第一子扇区被分配给基站中的小区中的第二子扇区。
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公开(公告)号：US08942307B2
公开(公告)日：2015-01-27
申请号：US13912752
申请日：2013-06-07
Applicant: Electronics and Telecommunications Research Institute , Foundation for Research and Business Seoul National University of Science and Technology
Inventor： Bong-Su Kim , Kwang Seon Kim , Min Soo Kang , Woo Jin Byun , Hung Chul Park
CPC classification number: H04B7/0413 , H01Q3/24 , H01Q21/0006 , H04B7/0604
Abstract: An antenna switching apparatus based on spatial modulation includes a plurality of antennas; a control signal generator configured to generate a plurality of switching control signals; and a plurality of switches configured to switch on to apply a transmission signal to the respective antennas according to the respective switching control signals. Further, the antenna switching apparatus includes a delay analyzer configured to receive the transmission signal output from each of the plurality of switches to calculate delay information for synchronizing the switching control signals applied to the respective switches; and a delay adjuster configured to synchronize the switching control signals to apply the synchronized switching control signals to the respective switches according to the calculated delay information.
Abstract translation: 基于空间调制的天线切换装置包括多个天线; 被配置为产生多个切换控制信号的控制信号发生器; 以及多个开关，其被配置为根据各个开关控制信号接通以将发送信号施加到各个天线。 此外，天线切换装置包括：延迟分析器，被配置为接收从多个开关中的每一个输出的发送信号，以计算用于使施加到各个开关的开关控制信号同步的延迟信息; 以及延迟调整器，被配置为使切换控制信号同步，以根据所计算的延迟信息将同步的切换控制信号施加到各个开关。
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公开(公告)号：US20140254726A1
公开(公告)日：2014-09-11
申请号：US13912752
申请日：2013-06-07
Applicant: Foundation For Research And Business Seoul National University Of Science And Technology , Electronics And Telecommunications Research Institute
Inventor： Bong-Su KIM , Kwang Seon Kim , Min Soo Kang , Woo Jin Byun , Hung Chul Park
CPC classification number: H04B7/0413 , H01Q3/24 , H01Q21/0006 , H04B7/0604
Abstract: An antenna switching apparatus based on spatial modulation includes a plurality of antennas; a control signal generator configured to generate a plurality of switching control signals; and a plurality of switches configured to switch on to apply a transmission signal to the respective antennas according to the respective switching control signals. Further, the antenna switching apparatus includes a delay analyzer configured to receive the transmission signal output from each of the plurality of switches to calculate delay information for synchronizing the switching control signals applied to the respective switches; and a delay adjuster configured to synchronize the switching control signals to apply the synchronized switching control signals to the respective switches according to the calculated delay information.
Abstract translation: 基于空间调制的天线切换装置包括多个天线; 被配置为产生多个切换控制信号的控制信号发生器; 以及多个开关，其被配置为根据各个开关控制信号接通以将发送信号施加到各个天线。 此外，天线切换装置包括：延迟分析器，被配置为接收从多个开关中的每一个输出的发送信号，以计算用于使施加到各个开关的开关控制信号同步的延迟信息; 以及延迟调整器，被配置为使切换控制信号同步，以根据所计算的延迟信息将同步的切换控制信号施加到各个开关。
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公开(公告)号：US11611400B2
公开(公告)日：2023-03-21
申请号：US17160631
申请日：2021-01-28
Inventor： Sunwoo Kong , Kwang Seon Kim , Jeehoon Park , Hui Dong Lee , Seunghyun Jang , Seok Bong Hyun
Abstract: An array antenna system, and a calibration method and apparatus thereof are provided. The calibration method includes measuring a signal loop including mutual coupling between antennas included in an array antenna, calculating a ratio of a reception (RX) signal received by each antenna to an RX signal received by a reference antenna of the array antenna based on a result of the measuring, and performing calibration of the array antenna based on the ratio.
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Patent Agency Ranking
公开(公告)号：US11205998B2
公开(公告)日：2021-12-21
申请号：US16788177
申请日：2020-02-11
Inventor： Sun Woo Kong , Kwang Seon Kim , Jee Hoon Park , Kwang Chun Lee , Hui Dong Lee , Seung Hyun Jang
Abstract: An amplifier may comprise first and second matching networks; first and second transistors; and a transformer including first to third inductors. Also, a gate and a source of the first transistor are connected to the first matching network, one end of the first inductor is connected to a drain of the first transistor, the other end of the first inductor is connected to a source of the second transistor, one end of the second inductor is connected to a gate of the second transistor, the other end of the second inductor is grounded, one end of the third inductor is connected to a drain of the second transistor, and the other end of the third inductor is connected to the second matching network.
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公开(公告)号：US10547478B2
公开(公告)日：2020-01-28
申请号：US16226812
申请日：2018-12-20
Inventor： Seung Hyun Jang , Sun Woo Kong , Kwang Seon Kim , Myung Don Kim , Hui Dong Lee
IPC: H04L25/49 , H04B10/508 , H03M3/00
Abstract: Disclosed are a method for signal modulation based on pulse density modulation and an apparatus therefore. The method for signal modulation is performed in an apparatus for modulating a signal based on pulse density modulation and includes performing pulse density modulation on an analog signal input to the apparatus through a pulse density modulator of the apparatus, converting a bandwidth of the pulse density modulated signal into a bandwidth required for the apparatus through a correlative encoder of the apparatus, transmitting the bandwidth converted signal to a radio frequency (RF) unit of the apparatus based on an electrical-to-optical (E/O) converter and an optical-to-electrical (O/E) converter of the apparatus, filtering a frequency band of the bandwidth converted signal and outputting the frequency band filtered signal via the RF unit.
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公开(公告)号：US10056700B2
公开(公告)日：2018-08-21
申请号：US14724320
申请日：2015-05-28
Applicant: Electronics and Telecommunications Research Institute , INDUSTRY-ACADEMIC COOPERATION FOUNDATION, CHOSUN UNIVERSITY
Inventor： Kwang Seon Kim , Sun Soo Oh , Woo Jin Byun , Min Soo Kang , Bong Su Kim
CPC classification number: H01Q21/065
Abstract: Disclosed is a circular array antenna. The circular array antenna includes: an input/output unit receiving electromagnetic waves from a transmitter and distributing the received electromagnetic waves to the antenna; a primary feeder connected with the input/output unit and placed at the center of the circular array antenna; a plurality of secondary feeders radially connected to the primary feeder; a plurality of patch units connected to the respective secondary feeders to generate an electric field radially; and a plurality of length controllers formed at terminals of the respective secondary feeders in a direction to extend the lengths of the respective secondary feeders, of which the lengths are controllable.
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公开(公告)号：US20160191177A1
公开(公告)日：2016-06-30
申请号：US14976496
申请日：2015-12-21
Inventor： Kwang Seon Kim , Min Soo Kang , Bong Su Kim , Jung Bin Kim , Woo Jin Byun , Mi Kyung Suk
Abstract: Provided is an apparatus for calibrating a transmission path, the apparatus including one or more couplers to separate, by one or more paths, one or more input signals input from an input terminal of one or more antennas, a power detector to detect amplitude of one or more path signals separated by the one or more paths, a power distributor to distribute any one of the one or more path signals, one or more mixers to mix a distribution signal distributed by the power distributor with the one or more path signals, a low-pass filter to remove a high-frequency component of a mixed signal mixed by the one or more mixers; and a voltage detector to detect amplitude of one or more filter pass signals with the high-frequency component removed.
Abstract translation: 提供了一种用于校准传输路径的装置，该装置包括一个或多个耦合器，以通过一个或多个路径分离从一个或多个天线的输入端子输入的一个或多个输入信号，功率检测器，用于检测一个或多个天线的幅度 或更多路径信号，一个或多个路径分离的路径信号;功率分配器，用于分配所述一个或多个路径信号中的任何一个，一个或多个混频器，以将由所述分配器分配的分配信号与所述一个或多个路径信号混合; 低通滤波器，以去除由一个或多个混频器混合的混合信号的高频分量; 以及电压检测器，用于检测去除了高频分量的一个或多个滤波器通过信号的幅度。
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公开(公告)号：US09106495B2
公开(公告)日：2015-08-11
申请号：US14547243
申请日：2014-11-19
Inventor： Kwang Seon Kim , Min Soo Kang , Bong Su Kim , Woo Jin Byun , Jong Soo Lim , Myung Sun Song , Jae Ick Choi
CPC classification number: H04L25/0204 , H04B7/0413 , H04B7/0604 , H04L1/0002 , H04L1/0011 , H04L1/06 , H04L5/0023 , H04L25/00 , H04L27/0008 , H04L27/34
Abstract: Disclosed are a wireless communication method of improving frequency efficiency based on a channel function in a wireless communication system and an apparatus thereof. The wireless communication system using a digital modulation scheme, includes: a transmitting apparatus which modulates a data signal to generate a modulation symbol, generates a channel symbol function corresponding to the modulation symbol, combines the modulation symbol with the channel symbol function to generate a transmission symbol to transmit the generated transmission symbol through a transmission antenna; and a receiving apparatus which receives the transmission symbol through a reception antenna, estimates a channel symbol function included in the transmission symbol, and extracts the data signal based on the modulation symbol included in the transmission symbol.
Abstract translation: 公开了一种基于无线通信系统中的信道功能提高频率效率的无线通信方法及其装置。 使用数字调制方式的无线通信系统包括：调制数据信号以生成调制符号的发送装置，生成与调制符号对应的信道符号功能，将调制符号与信道符号功能组合，生成发送 符号，用于通过发送天线发送生成的发送符号; 以及通过接收天线接收发送符号的接收装置，估计包含在发送符号中的信道符号函数，并且根据包含在发送符号中的调制符号提取数据信号。
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