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公开(公告)号：US20160127111A1
公开(公告)日：2016-05-05
申请号：US14928270
申请日：2015-10-30
Applicant: Electronics and Telecommunications Research Institute , HANDONG GLOBAL UNIVERCITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
Inventor： Kapseok CHANG , Seon-Ae KIM , Hyung Sik JU , Youngsik KIM
CPC classification number: H04L5/14 , H04B1/0458 , H04B1/123 , H04B1/18 , H04B1/50 , H04B1/525 , H04B15/00
Abstract: Disclosed is an in-band full duplex transceiver. The in-band full duplex transceiver may include a transmitter, a hybrid transformer, and an impedance matching unit. The hybrid transformer may include a first end connected to an antenna, may output a transmitting signal to the antenna, and may output a received signal provided through the antenna to the receiver. The impedance matching unit may include balance networks connected to a second end of the hybrid transformer and matching impedance of the antenna.
Abstract translation: 公开了一种带内全双工收发器。 带内全双工收发器可以包括发射机，混合变压器和阻抗匹配单元。 混合变压器可以包括连接到天线的第一端，可以向天线输出发射信号，并且可以将通过天线提供的接收信号输出到接收机。 阻抗匹配单元可以包括连接到混合变压器的第二端的平衡网络和天线的匹配阻抗。
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2.发明申请IN-BAND FULL DUPLEX TRANSCEIVER AND IN-BAND FULL DUPLEX MULTI-INPUT MULTI-OUTPUT TRANSCEIVER 审中-公开带内全双工收发器和带内全双工多输入多输出收发器公开(公告)号：US20160087698A1
公开(公告)日：2016-03-24
申请号：US14856787
申请日：2015-09-17
Inventor： Kapseok CHANG , Seon-Ae KIM , Hyung Sik JU
Abstract: An in-band full duplex transceiver is provided. The in-band full duplex transceiver includes a distributor and a Finite Impulse Response (FIR) filter. The distributor may include a receiving output terminal that distributes a transmitting signal and a received signal and that outputs the received signal, and a first output terminal that outputs a first signal, which is a signal corresponding to the transmitting signal. The FIR filter may receive an input of a first signal and remove a self-transmitting interference signal that is included in a signal that is output from the receiving output terminal.
Abstract translation: 提供带内全双工收发器。 带内全双工收发器包括分配器和有限脉冲响应（FIR）滤波器。 分配器可以包括分配发送信号和接收信号并输出接收信号的接收输出端子，以及输出作为与发送信号对应的信号的第一信号的第一输出端子。 FIR滤波器可以接收第一信号的输入，并且去除包含在从接收输出端输出的信号中的自发干扰信号。
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公开(公告)号：US20240015539A1
公开(公告)日：2024-01-11
申请号：US18036534
申请日：2021-11-19
Inventor： Jae Seung LEE , Moon Sik LEE , Jae Woo PARK , Jee Yon CHOI , Young Hoon KIM , Ju Ho PARK , Hoo Sung LEE , Young Il JEON , Chan Bok JEONG , Hyung Sik JU , Ik Jae CHUN
CPC classification number: H04W24/08 , H04W24/10 , H04W88/085
Abstract: Disclosed are a method and device for communication using a fronthaul interface. According to the present invention, an operation method of an O-RU comprises the steps of: generating a plurality of first measurement results by performing measurement operations on a first measurement target in a single notification period according to a notification interval; generating a first measurement result list including the plurality of first measurement results; and transmitting, to an a message including the first measurement result list.
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公开(公告)号：US20190207738A1
公开(公告)日：2019-07-04
申请号：US16134632
申请日：2018-09-18
Inventor： Jung Bo SON , Dong Hyuk GWAK , Seon Ae KIM , Yu Ro LEE , Hyun LEE , Hyung Sik JU
Abstract: An operating method of a slave node that communicates with a master node in an in-band full duplex (IFD) system may comprise receiving a beacon signal from the master node during a training sequence period; transmitting a first self-interference (SI) training sequence including a first radio frequency (RF)/analog SI training sequence, a first automatic gain control (AGC) sequence, and a first digital SI training sequence to the master node during the training sequence period after the beacon signal is received; calculating a filter factor for canceling an analog SI signal input to the slave node on the basis of the first RF/analog SI training sequence; and canceling the analog SI signal from the first AGC sequence on the basis of the filter factor.
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5.发明申请METHOD AND APPARATUS FOR TUNING FINITE IMPULSE RESPONSE FILTER IN IN-BAND FULL DUPLEX TRANSCEIVER 审中-公开用于调谐带内全双工收发器的有限冲击响应滤波器的方法和装置公开(公告)号：US20160380799A1
公开(公告)日：2016-12-29
申请号：US15187927
申请日：2016-06-21
Inventor： Kapseok CHANG , Hyung Sik JU
CPC classification number: H04L5/14 , H03H15/023 , H03H2015/007 , H04B1/123 , H04B1/525 , H04J11/004 , H04L5/1461 , H04L27/265 , H04L2025/03815
Abstract: A method and an apparatus for tuning an FIR filter in an in-band full duplex transceiver. The method for tuning an FIR filter may include: setting attenuation of the FIR filter to be a first value and then estimating input information of the FIR filter; estimating a delta response using the estimated input information of the FIR filter; and updating the attenuation of the FIR filter to a second value using the estimated delta response.
Abstract translation: 一种用于调谐带内全双工收发器中的FIR滤波器的方法和装置。 用于调整FIR滤波器的方法可以包括：将FIR滤波器的衰减设置为第一值，然后估计FIR滤波器的输入信息; 使用FIR滤波器的估计输入信息来估计Δ响应; 以及使用估计的δ响应将FIR滤波器的衰减更新为第二值。
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Patent Agency Ranking
公开(公告)号：US20200351255A1
公开(公告)日：2020-11-05
申请号：US16860796
申请日：2020-04-28
Inventor： Dong Hyuk GWAK , Hyung Sik JU
IPC: H04L29/06 , H04L12/823 , H04L5/00
Abstract: An operation method of a first communication node in a communication system may comprise estimating a channel state between the first communication node and a second communication node based on a pilot signal received from the second communication node; generating a first channel codebook based on the estimated channel state; transmitting information of the first channel codebook to the second communication node; receiving a response indicating whether the first channel codebook is to be used from the second communication node; when the response is an ACK indicating that the first channel codebook is to be used, generating a first secret key by using the first channel codebook; and transmitting data encrypted using the first secret key to the second communication node.
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公开(公告)号：US20160218769A1
公开(公告)日：2016-07-28
申请号：US15008005
申请日：2016-01-27
Inventor： Kapseok CHANG , Seon-Ae KIM , Hyung Sik JU
Abstract: There are provided a method and an apparatus for performing a self-interference cancellation by determining a filter coefficient of an analog filter operated in an analog domain; and canceling self-interference generated in a received signal received by the node by a transmitted signal transmitted from the node, based on the filter coefficient.
Abstract translation: 提供一种通过确定在模拟域中操作的模拟滤波器的滤波器系数来执行自干扰消除的方法和装置; 并且基于所述滤波器系数，从由所述节点发送的发送信号，消除由所述节点接收到的接收信号中产生的自干扰。
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公开(公告)号：US20250071746A1
公开(公告)日：2025-02-27
申请号：US18784744
申请日：2024-07-25
Inventor： Hoon Dong NOH , Hyung Sik JU
IPC: H04W72/044 , H04W72/231 , H04W72/232 , H04W72/563 , H04W84/04
Abstract: A method of a repeater may comprise: receiving, from a first base station, first resource set information associated with a first beam; receiving, from a second base station, second resource set information associated with a second beam; in response to that a first time resource indicated by the first resource set information overlaps with a second time resource indicated by the second resource set information, selecting one resource set information having a higher priority among the first resource set information and the second resource set information; and performing communication with a terminal using one beam associated with the one resource set information in a resource indicated by the one resource set information.
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公开(公告)号：US20230086667A1
公开(公告)日：2023-03-23
申请号：US17993556
申请日：2022-11-23
Inventor： Jae Seung LEE , Moon Sik LEE , Jae Woo PARK , Jee Yon CHOI , Young Hoon KIM , Ju Ho PARK , Hoo Sung LEE , Young Il JEON , Chan Bok JEONG , Hyung Sik JU , Ik Jae CHUN , Il Gyu KIM
Abstract: Disclosed are a method and an apparatus for communication using fronthaul interfaces. An operation method of a first communication node may include transmitting a section type 8 message #1 including numerology-related information #1; transmitting a section type 9 message #1 including channel information of each of one or more second communication nodes indicated by the section type 8 message #1 and the numerology related information #1, transmitting a section type 8 message #2 including numerology-related information #2 other than the numerology-related information #1; and transmitting a section type 9 message #2 including channel information of each of one or more third communication nodes indicated by the section type 8 message #2 and the numerology-related information #2.
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10.发明申请公开(公告)号：US20180213547A1
公开(公告)日：2018-07-26
申请号：US15870833
申请日：2018-01-12
Inventor： Hyung Sik JU , Dong Hyuk GWAK , Seon Ae KIM , Yu Ro LEE
CPC classification number: H04W72/1242 , H04L5/0037 , H04L5/0044 , H04L5/0069 , H04L5/14 , H04W72/042 , H04W72/044 , H04W72/048 , H04W72/121 , H04W72/1226
Abstract: An operation method of a base station in an IFD scheme may comprise receiving position information of each of a plurality of downlink (DL) terminals and a plurality of uplink (UL) terminals; determining a guard zone corresponding to each of the plurality of DL terminals based on the position information of each of the plurality of DL terminals; determining whether at least one UL terminal is located in the guard zone based on the position information of each of the plurality of UL terminals; determining a scheduling priority of each of the plurality of DL terminals according to whether at least one UL terminal is located in the guard zone; generating DL control information including frequency-time resource allocation information and interference control information based on the determined scheduling priority; and transmitting data signals and the DL control information to the plurality of DL terminals.
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