公开(公告)号：US10193220B2

公开(公告)日：2019-01-29

申请号：US15064952

申请日：2016-03-09

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Juyul Lee ,  Jinup Kim ,  Myung-Don Kim

IPC: H01Q1/52

Abstract: Disclosed is an antenna array, including: a first antenna; a second antenna; and a dielectric substance, of which a height is determined based on a distance between the first and second antennas and forms of beam patterns of the first and second antennas. According to the antenna array according to the exemplary embodiments of the present invention, it is possible to decrease coupling between the antennas.

公开(公告)号：US09641361B2

公开(公告)日：2017-05-02

申请号：US14542846

申请日：2014-11-17

Applicant: Electronics and Telecommunications Research Institute

Inventor： Seok Seo ,  Jinup Kim ,  Seung-Hwan Lee

IPC: H03K9/00 ,  H04L27/00 ,  H03D1/04 ,  H04L25/08 ,  H04L25/05 ,  H04B1/00

CPC classification number: H04L25/08 ,  H04B1/0021 ,  H04L25/05

Abstract: Provided is a wireless signal receiver including: an analog-digital converter (ADC) converting an analog RF signal into a digital baseband signal; and a sub-sampling block dividing and processing the digital baseband signal into a first path signal and a second path signal, and extracting a complex baseband signal by using a relative sample delay difference between the first and second path signals, wherein the first path signal is a signal obtained by adjusting a sample delay and sampling rate of the digital baseband signal, and the second path signal is a signal obtained by filtering without adjusting the sampling rate of the digital baseband signal.

公开(公告)号：US10320466B2

公开(公告)日：2019-06-11

申请号：US15244046

申请日：2016-08-23

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Juyul Lee ,  Myung Don Kim ,  Jinup Kim ,  Hyun Kyu Chung ,  Minuk Kim ,  Jubum Kim ,  Eun Ae Lee ,  Joon Ho Cho

IPC: G01S3/52 ,  H04B7/08 ,  G01S19/29 ,  G01S19/22 ,  G01S19/24 ,  G01S3/46 ,  G01S3/48 ,  G01S3/50

Abstract: Disclosed are an apparatus and a method for estimating a parameter of a multi path signal. The apparatus for estimating a parameter of a multi path signal includes: a plurality of pre-processing units configured to pre-process respective reception signals received through a plurality of antennas; a plurality of parameter converting units configured to approximate a parameter set of the respective pre-processed reception signals to have a sparse characteristic in a Doppler frequency and angle of arrival domain; and a parameter estimating unit configured to estimate an angle of arrival for a plurality of reception signals in each frequency region of the Doppler frequency and angle of arrival domain.

公开(公告)号：US09197401B2

公开(公告)日：2015-11-24

申请号：US14542842

申请日：2014-11-17

Applicant: Electronics and Telecommunications Research Institute

Inventor： Seok Seo ,  Jinup Kim ,  Seung-Hwan Lee

IPC: H03K9/00 ,  H04L27/06 ,  H04L7/00 ,  H04L25/06

CPC classification number: H04L7/0087 ,  H04B1/0007 ,  H04B1/0057 ,  H04L7/0033 ,  H04L25/05 ,  H04L25/06 ,  H04L27/0002

Abstract: A multi-band receiver according to an embodiment of the present invention includes an analog-to-digital converter configured to convert multi-band analog radio signals into a digital baseband signal, and a first signal extracting unit configured to generate a first path signal by changing a sampling rate of the digital baseband signal and sample-delaying the digital baseband signal, and generate a second path signal by bypassing the digital baseband signal, wherein the first signal extracting unit extracts a first baseband signal using a group delay difference between the first and second path signals caused by a sample delay difference between the first and second path signals.

Abstract translation: 根据本发明实施例的多频带接收机包括被配置为将多频带模拟无线电信号转换为数字基带信号的模数转换器，以及第一信号提取单元，被配置为通过以下方式产生第一路径信号： 改变数字基带信号的采样率并采样延迟数字基带信号，并通过绕过数字基带信号产生第二路径信号，其中第一信号提取单元使用第一信号提取单元提取第一基带信号， 以及由第一和第二路径信号之间的采样延迟差引起的第二路径信号。