公开(公告)号：US20230156795A1

公开(公告)日：2023-05-18

申请号：US17916406

申请日：2021-04-02

申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  KOREA NATIONAL UNIVERSITY OF TRANSPORTATION INDUSTRY-ACADEMIC COOPERATION FOUNDATION

发明人： Sung Hyun HWANG ,  Kyu Min KANG ,  Jae Cheol PARK ,  Jin Hyung OH ,  Dong Woo LIM ,  Su Na CHOI ,  Yong Ho KIM ,  Han Seul HONG

IPC分类号： H04W74/08

CPC分类号： H04W74/0816 ,  H04W84/12

摘要： Disclosed are a method and apparatus for transmitting and receiving data in a communication system supporting multiple links. A method for operation of a first device comprises the steps of: transmitting, in a first link from among multiple links, a first RTS frame to a second device; receiving, from the second device in the first link, a first CTS frame that is a response to the first RTS frame; when the first CTS frame is received, transmitting, in the first link, a first data frame to the second device; and transmitting, in a second link during transmission of the first data frame, a second RTS frame to the second device.

公开(公告)号：US20230164857A1

公开(公告)日：2023-05-25

申请号：US17916893

申请日：2021-04-12

申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  KOREA NATIONAL UNIVERSITY OF TRANSPORTATION INDUSTRY-ACADEMIC COOPERATION FOUNDATION

发明人： Sung Hyun HWANG ,  Kyu Min KANG ,  Jae Cheol PARK ,  Jin Hyung OH ,  Dong Woo LIM ,  Su Na CHOI ,  Yong Ho KIM

IPC分类号： H04W76/14 ,  H04W74/08

CPC分类号： H04W76/14 ,  H04W74/0816 ,  H04W74/0866 ,  H04W84/12

摘要： Disclosed are a method and device for direct communication in a wireless LAN. An operation method of a first device comprises the steps of: transmitting a first frame, which is for setting up a direct communication link, to a second device over one or more links among multiple links; receiving a second frame, which is a response to the first frame, from the second device over the one or more links; and directly communicating with one or more peer devices over the direct communication link when the second frame is received.

公开(公告)号：US20220338251A1

公开(公告)日：2022-10-20

申请号：US17761029

申请日：2020-09-16

申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  KOREA NATIONAL UNIVERSITY OF TRANSPORTATION INDUSTRY-ACADEMIC COOPERATION FOUNDATION

发明人： Sung Hyun HWANG ,  Kyu Min KANG ,  Jae Cheol PARK ,  Jin Hyung OH ,  Su Na CHOI ,  Yong Ho KIM ,  Yong Su GWAK

IPC分类号： H04W74/04 ,  H04W74/00 ,  H04B7/0452

摘要： A method for sharing a multilink in a next-generation wireless LAN is disclosed. An operation method of a first communication node comprises the steps of: setting a transmission interval; communicating with a second communication node by using a first link and a second link in the transmission interval; sharing the transmission interval with a third communication node; and communicating with the second communication node by using the first link in the transmission interval.

公开(公告)号：US20220287121A1

公开(公告)日：2022-09-08

申请号：US17624248

申请日：2020-07-10

申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  KOREA NATIONAL UNIVERSITY OF TRANSPORTATION INDUSTRY-ACADEMIC COOPERATION FOUNDATION

发明人： Sung Hyun HWANG ,  Kyu Min KANG ,  Jae Cheol PARK ,  Jin Hyung OH ,  Su Na CHOI ,  Yong Ho KIM ,  Han Seul HONG

IPC分类号： H04W76/15 ,  H04W74/08

摘要： The present invention relates to an operating method of a first communication node in a communication system, comprising the steps of: negotiating with a second communication node with respect to a parameter for multi-link transmission; determining, on the basis of the parameter, a plurality of links for performing the multi-link transmission, and the transmission method by which the multi-link transmission is performed; and transmitting, in the plurality of links, a data frame to the second communication node by means of the transmission method. Therefore, the communication node can efficiently set and change links.

公开(公告)号：US20230040910A1

公开(公告)日：2023-02-09

申请号：US17792692

申请日：2021-01-06

申请人： ELECTRONICS AND TELECOMMUNICATICATIONS RESEARCH INSTITUTE ,  KOREA NATIONAL UNIVERSITY OF TRANSPORTATION INDUSTRY ACADEMIC COOPERATION FOUNDATION

发明人： Sung Hyun HWANG ,  Kyu Min KANG ,  Jae Cheol PARK ,  Jin Hyung OH ,  Dong Woo LIM ,  Su Na CHOI ,  Yong Ho KIM ,  Han Seul HONG

IPC分类号： H04W74/08

摘要： A method and an apparatus for STR in a wireless LAN that supports multi-links are disclosed. An operating method of a first communication node comprises the steps of: transmitting a first frame to a second communication node through a first link from among multi-links; receiving, from the second communication node, a response frame for the first frame through the first link; checking a channel occupancy time in a second link from among the multi-links on the basis of first information included in the response frame; and performing a sensing operation in a preset section after the end of the channel occupancy time in the second link.

公开(公告)号：US20160242183A1

公开(公告)日：2016-08-18

申请号：US15045764

申请日：2016-02-17

申请人： Electronics and Telecommunications Research Institute

发明人： Kyu Min KANG ,  Seung Keun PARK ,  Jae Cheol PARK ,  Jung Sun UM ,  Sung Jin YOO ,  Dong Hun LEE ,  Hoi Yoon JUNG ,  Su Na CHOI ,  Sung Hyun HWANG

IPC分类号： H04W72/04 ,  H04W72/08

CPC分类号： H04W72/1215 ,  H04W72/1226

摘要： Disclosed are an apparatus and a method for coexistence of heterogeneous services of a user terminal, which can enhance performance of a wireless communication network by simultaneously providing heterogeneous services such as an LTE-U service and a WiFi service to coexist without signal interference in unlicensed bands through effectively performing selection of a frequency band and selection of a transmission spectrum type in respective service modules of the user terminal.

摘要翻译： 公开了一种用于用户终端的异构服务共存的装置和方法，其可以通过同时提供诸如LTE-U服务和WiFi服务的异构服务来提高无线通信网络的性能，以在未许可频带中没有信号干扰的情况下共存 通过在用户终端的各个服务模块中有效地执行频带的选择和发送频谱类型的选择。

公开(公告)号：US20230351902A1

公开(公告)日：2023-11-02

申请号：US18140738

申请日：2023-04-28

申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

发明人： Dong Woo LIM ,  Kyu Min KANG ,  Jae Cheol PARK ,  Jin Hyung OH ,  Su Na CHOI ,  Sung Hyun HWANG

IPC分类号： G08G5/00

CPC分类号： G08G5/006 ,  G08G5/0069 ,  F41H11/02

摘要： An information fusion and operation control device for anti-drone may include: a memory; and a processor configured to execute at least one instruction stored in the memory, the processor receives detection location information on a drone, receives identification location information on the drone, and generates neutralization area range information on the drone by fusing the detection location information and the identification location information.

公开(公告)号：US20130265893A1

公开(公告)日：2013-10-10

申请号：US13738379

申请日：2013-01-10

申请人： Electronics and Telecommunications Research Institute

发明人： Su Na CHOI ,  Sung Woong CHOI ,  Sang Bong JEON ,  Seung Keun PARK

IPC分类号： H04B17/00

CPC分类号： H04B17/345

摘要： An apparatus for analyzing interference of a wireless communication device includes a frequency detector configured to detect a frequency signal in a low frequency band that is generated in a wireless communication device; and a band-pass filter configured to extract an interference signal reflecting auditory sensitivity at each frequency, in an audible frequency band of the detected frequency signal. Further, the apparatus includes a voltmeter configured to measure a magnitude of the extracted interference signal at each frequency; and an interference determination block configured to determine whether there is an influence of interference of the wireless communication device on an audio device by comparing an interference level of the measured interference signal with a preset interference reference value.

摘要翻译： 一种用于分析无线通信设备的干扰的装置包括：频率检测器，被配置为检测在无线通信设备中产生的低频带中的频率信号; 以及带通滤波器，被配置为在检测到的频率信号的可听频带中提取反映每个频率的听觉灵敏度的干扰信号。 此外，该装置包括：电压表，被配置为在每个频率处测量所提取的干扰信号的大小; 以及干扰判定块，被配置为通过将所测量的干扰信号的干扰电平与预设的干扰参考值进行比较来确定是否存在无线通信设备对音频设备的干扰的影响。

公开(公告)号：US20240334509A1

公开(公告)日：2024-10-03

申请号：US18577987

申请日：2022-07-12

申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

发明人： Sung Hyun HWANG ,  Kyu Min KANG ,  Jae Cheol PARK ,  Jin Hyung OH ,  Dong Woo LIM ,  Su Na CHOI ,  Yong Ho KIM ,  Ju Seong MOON

IPC分类号： H04W76/14 ,  H04W76/12

CPC分类号： H04W76/14 ,  H04W76/12

摘要： A method and a device for direct communication in a communication system supporting multiple links are disclosed. A method of an AP MLD comprises the steps of: transmitting a trigger frame in multiple links including a first link and a second link; receiving a response frame for the trigger frame from a first STA associated with an STA MLD in the first link; receiving a first data frame from a third STA in the second link; and when a subject to receive the first data frame is a second STA associated with the STA MLD, transmitting a second data frame generated on the basis of the first data frame, to the first STA in the first link.

公开(公告)号：US20220359983A1

公开(公告)日：2022-11-10

申请号：US17734658

申请日：2022-05-02

申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

发明人： Kyu-Min KANG ,  Jae Cheol PARK ,  Jinhyung OH ,  Dong Woo LIM ,  Su Na CHOI ,  Sunghyun HWANG

IPC分类号： H01Q3/36 ,  H01Q21/20

摘要： An antenna apparatus for drone identification and an operating method thereof are provided. The antenna apparatus includes: a plurality of horizontal directional antennas; a vertical directional antenna positioned at a center of an area surrounded by the plurality of horizontal directional antennas; a beamforming unit controlling beamforming of the vertical directional antenna and the plurality of horizontal antennas to transmit and receive signals in all directions; and a power supply unit for suppling power.