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公开(公告)号：US10044112B2
公开(公告)日：2018-08-07
申请号：US15209951
申请日：2016-07-14
发明人： Gwang Moon Park , Haeng Sook Ro , Sang In Cho , Yong Seok Choi
摘要： Disclosed are a variable antenna and an apparatus for detecting a radio signal. The variable antenna includes: a first receiving unit including at least one liquid metal antenna element; a second receiving unit including at least one liquid metal antenna element having a length different from a length of the first receiving unit; and a gain control unit configured to electrically adjust lengths of the liquid metal antenna elements for one of the first receiving unit and the second receiving unit according to the frequency of a received signal, wherein each antenna array realized by the liquid metal antenna elements of the first receiving unit and the second receiving unit is arranged in a single bay.
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公开(公告)号：US11817977B2
公开(公告)日：2023-11-14
申请号：US17710625
申请日：2022-03-31
发明人： Byung Chan Kim , Kang Hee Kim , Haeng Sook Ro , Gwang Moon Park , Soo Ho Sohn , Ki Cheol Tae
CPC分类号： H04L27/0012 , H04L27/0006
摘要： In the present invention, in classifying modulation types of a plurality of modulation signals by using a classifier (an artificial neural network model based on machine learning), the classifier may classify the modulation types of the modulation signals by using pieces of I/Q data, sampled with one sampling frequency, as input data, and thus, may quickly classify the modulation signals.
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公开(公告)号：US11509050B2
公开(公告)日：2022-11-22
申请号：US16837728
申请日：2020-04-01
发明人： Ki Cheol Tae , Kanghee Kim , Haeng Sook Ro , Gwangmoon Park , Soo-Ho Sohn , Ho Jin Lee
摘要： There are provided a multi-bay antenna apparatus and an operation method thereof. A multi-bay antenna apparatus may include a first section, a first array antenna mounted in the first section to receive a signal in a predetermined frequency band, a second section movably coupled with the first section, and a second array antenna mounted in the second section to receive a signal in a predetermined frequency band.
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公开(公告)号：US11509054B2
公开(公告)日：2022-11-22
申请号：US17132195
申请日：2020-12-23
发明人： Haeng Sook Ro , Kanghee Kim , Gwangmoon Park , Soo-Ho Sohn , Ki Cheol Tae
摘要： A dipole antenna fed by a planar balun includes a first radiation element and a second radiation element respectively corresponding to poles of the dipole antenna, at least one dipole support column configured to connect the first radiation element and the second radiation element and to fix a gap between the first radiation element and the second radiation element, a planar balun connected to the first radiation element and the second radiation element and configured to feed the first radiation element and the second radiation element, and a balun housing coupled to the dipole support column and enclosing the planar balun.
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5.发明授权Radio measurement method and radio measurement apparatus using multi-antenna channel multiplex 有权无线电测量方法和使用多天线信道复用的无线电测量装置公开(公告)号：US09548806B2
公开(公告)日：2017-01-17
申请号：US14211812
申请日：2014-03-14
发明人： Sang Tae Kim , Gwangmoon Park , Seong Yun Lee , Haeng Sook Ro , Mi-Kyung Suk , Yong-Seok Choi
IPC分类号： H04B7/08
CPC分类号： H04B7/0874 , H04B7/086
摘要： A radio measurement apparatus comprising: an array antennal selection unit selecting array antennas corresponding to received signals; a reference path selection unit selecting a reference array antenna; a signal processing unit selecting a reference antenna channel through analysis of signal characteristics measured through two reception channels; a sequential channel multiplex unit determining sequentially inputting received signals of remaining array antennas to output the sequentially input signals to a receiver; and a correction signal input unit compensating amplitude and phase characteristics of the respective reception channels.
摘要翻译： 一种无线电测量装置，包括：阵列天线选择单元，选择与接收信号相对应的阵列天线; 参考路径选择单元，选择参考阵列天线; 信号处理单元，通过分析通过两个接收信道测量的信号特性来选择参考天线信道; 顺序信道多路复用单元确定顺序输入剩余阵列天线的接收信号，以将顺序输入的信号输出到接收机; 以及校正信号输入单元，用于补偿各个接收信道的幅度和相位特性。
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