公开(公告)号：US10284325B2

公开(公告)日：2019-05-07

申请号：US15251198

申请日：2016-08-30

Applicant: Electronics and Telecommunications Research Institute

Inventor： Min Soo Kang ,  Kwang Seon Kim ,  Myung Sun Song ,  Woo Jin Byun ,  Bong Su Kim

IPC: H04J14/04 ,  H04J14/06 ,  H01Q9/04 ,  H01Q5/55 ,  H04B10/116

Abstract: An apparatus for orbital angular momentum (OAM) mode combination and an antenna apparatus for multi-mode generation are provided. The apparatus for OAM mode combination includes three input ports configured to receive independent OAM mode signals, four output ports configured to output OAM mode signals with the same or different phase delays; and a circuit element configured to simultaneously combine or distribute the OAM mode signals by controlling phases of output signals output through the four output ports to be different depending on the OAM mode signals received through the input ports.

公开(公告)号：US09838224B2

公开(公告)日：2017-12-05

申请号：US15220707

申请日：2016-07-27

Applicant: Electronics and Telecommunications Research Institute

Inventor： Mi Kyung Suk ,  Bong Su Kim ,  Min Soo Kang ,  Kwang Seon Kim ,  Woo Jin Byun ,  Young Seung Lee

IPC: H04L25/02 ,  H04L25/03 ,  H04B7/0413

CPC classification number: H04L25/02 ,  H04B7/0413 ,  H04L25/0206 ,  H04L25/0214 ,  H04L25/03331

Abstract: The present invention relates to a reception apparatus. The reception apparatus includes a plurality of reception antennas; and a signal processing unit configured to use reception characteristic of the plurality of reception antennas, wherein the signal processing unit comprises a channel estimation unit configured to respectively estimate a channel response matrix of each signal received via the plurality of reception antennas, and a coding unit configured to define a coding matrix based on an inverse matrix of the estimated channel response matrix, and to obtain a final output signal corresponding to each reception antenna by applying the coding matrix to each received signal.

公开(公告)号：US09338662B2

公开(公告)日：2016-05-10

申请号：US14624812

申请日：2015-02-18

Applicant: Electronics and Telecommunications Research Institute

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。

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

IPC: H04B7/02 ,  H04B7/04 ,  H01Q21/00

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。

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

IPC: H04B7/04 ,  H01Q21/00

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。