-
1.发明公开公开(公告)号：US20230156795A1
公开(公告)日：2023-05-18
申请号：US17916406
申请日：2021-04-02
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , KOREA NATIONAL UNIVERSITY OF TRANSPORTATION INDUSTRY-ACADEMIC COOPERATION FOUNDATION
Inventor： 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: H04W74/08
CPC classification number: H04W74/0816 , H04W84/12
Abstract: 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.
-
2.发明申请APPARATUS AND METHOD FOR COEXISTENCE OF LTE-U AND WIFI SERVICES IN UNLICENSED BANDS 审中-公开未经授权的银行LTE-U和WIFI服务共同的装置和方法公开(公告)号：US20160242183A1
公开(公告)日：2016-08-18
申请号：US15045764
申请日：2016-02-17
Inventor： 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
CPC classification number: H04W72/1215 , H04W72/1226
Abstract: 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.
Abstract translation: 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。
-
3.发明公开公开(公告)号：US20230351902A1
公开(公告)日：2023-11-02
申请号：US18140738
申请日：2023-04-28
Inventor： Dong Woo LIM , Kyu Min KANG , Jae Cheol PARK , Jin Hyung OH , Su Na CHOI , Sung Hyun HWANG
IPC: G08G5/00
CPC classification number: G08G5/006 , G08G5/0069 , F41H11/02
Abstract: 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：US20230164857A1
公开(公告)日：2023-05-25
申请号：US17916893
申请日：2021-04-12
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , KOREA NATIONAL UNIVERSITY OF TRANSPORTATION INDUSTRY-ACADEMIC COOPERATION FOUNDATION
Inventor： Sung Hyun HWANG , Kyu Min KANG , Jae Cheol PARK , Jin Hyung OH , Dong Woo LIM , Su Na CHOI , Yong Ho KIM
CPC classification number: H04W76/14 , H04W74/0816 , H04W74/0866 , H04W84/12
Abstract: 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.
-
5.发明申请APPARATUS FOR ANALYZING INTERFERENCE OF WIRELESS COMMUNICATION DEVICE, AND SYSTEM AND METHOD FOR ANALYZING INTERFERENCE USING THE SAME 审中-公开用于分析无线通信装置的干扰的装置，以及使用其分析干扰的系统和方法公开(公告)号：US20130265893A1
公开(公告)日：2013-10-10
申请号：US13738379
申请日：2013-01-10
Inventor： Su Na CHOI , Sung Woong CHOI , Sang Bong JEON , Seung Keun PARK
IPC: H04B17/00
CPC classification number: H04B17/345
Abstract: 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.
Abstract translation: 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。
-
Patent Agency Ranking
6.发明公开公开(公告)号：US20240334509A1
公开(公告)日：2024-10-03
申请号：US18577987
申请日：2022-07-12
Inventor： Sung Hyun HWANG , Kyu Min KANG , Jae Cheol PARK , Jin Hyung OH , Dong Woo LIM , Su Na CHOI , Yong Ho KIM , Ju Seong MOON
Abstract: 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
Inventor： Kyu-Min KANG , Jae Cheol PARK , Jinhyung OH , Dong Woo LIM , Su Na CHOI , Sunghyun HWANG
Abstract: 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.
-
公开(公告)号：US20210341950A1
公开(公告)日：2021-11-04
申请号：US17242658
申请日：2021-04-28
Inventor： Jinhyung OH , kyu-Min KANG , Jae Cheol PARK , DONG WOO LIM , Su Na CHOI , Sunghyun HWANG
Abstract: An identification method and an unmanned aerial vehicle (UAV) detection apparatus are provided. The identification method, as a method for preventing a collision that may occur in a process of detecting and identifying a plurality of UAVs flying in the air, detects a plurality of UAVs in the air and determines a legitimacy of flight of each of the plurality of UAVs using an identification information request message.
-
9.发明申请METHODS AND APPARATUSES FOR GENERATING REAL-ENVIRONMENT NOISE USING STATISTICAL APPROACH 有权使用统计方法生成真实环境噪声的方法和设备公开(公告)号：US20150223001A1
公开(公告)日：2015-08-06
申请号：US14601397
申请日：2015-01-21
Inventor： Su Na CHOI , Jong Hwa KWON
IPC: H04R29/00
CPC classification number: G01R31/002 , G01R29/26
Abstract: Disclosed are method and apparatus of generating noise that effectively performs performance evaluation of electronic equipment in a real environment by generating the noise having a statistic characteristic of real noise in a laboratory environment, by estimating a noise parameter set by measuring the noise and generating random noise data using a random noise data generation function having a statistic characteristic corresponding to the noise parameter set to generate radio noise.
Abstract translation: 公开了通过在实验室环境中生成具有实际噪声的统计特性的噪声，通过估计通过测量噪声设定的噪声参数并产生随机噪声来产生在实际环境中有效地执行电子设备的性能评估的噪声的方法和装置 使用具有与设置的噪声参数相对应的统计特性的随机噪声数据生成功能的数据来生成无线电噪声。
-
公开(公告)号：US20240284491A1
公开(公告)日：2024-08-22
申请号：US18561197
申请日：2022-05-24
Inventor： Sung Hyun HWANG , Kyu Min KANG , Jae Cheol PARK , Jin Hyung OH , Dong Woo LIM , Su Na CHOI , Yong Ho KIM
IPC: H04W72/40 , H04W28/02 , H04W72/0446 , H04W74/0833 , H04W84/12
CPC classification number: H04W72/40 , H04W28/0252 , H04W72/0446 , H04W74/0833 , H04W84/12
Abstract: A method and a device for shard communication in a wireless LAN are disclosed. A method of a first STA comprises the steps of: receiving a first frame for allocation of a shared communication period from an AP; identifying the shared communication period on the basis of one or more fields included in the first frame; and performing shared communication with a second STA in the shared communication period, wherein the shared communication period is configured within a TXOP configured between the AP and a third STA.
-
-
-
-
-
-
-
-
-
Search Results
21
records
(took 0.016 seconds)
