公开(公告)号：US20150245363A1

公开(公告)日：2015-08-27

申请号：US14288477

申请日：2014-05-28

Applicant: Electronics and Telecommunications Research Institute

Inventor： Dong Hun LEE ,  Kyu Min KANG ,  Jae Cheol PARK ,  Byung Jang JEONG ,  Jae Ick CHOI

IPC: H04W72/08

CPC classification number: H04W72/082 ,  H04W24/02 ,  H04W72/0426 ,  H04W84/045

Abstract: Disclosed are a wireless communication apparatus for reducing interference by a neighboring cell, and a method of reducing interference thereof. The method of reducing interference by a wireless communication apparatus includes: determining a neighboring small cell from one or more surrounding small cells adjacent to a small cell; allocating a communication resource to one or more users according to a channel state of the one or more users subscribing to the small cell; and transmitting data to the one or more users, to which the communication resource is allocated, by adopting one or more interference reducing methods for reducing interference by the neighboring small cell.

Abstract translation: 公开了一种用于减少相邻小区的干扰的无线通信装置，以及减少其干扰的方法。 减少无线通信装置的干扰的方法包括：从与小小区相邻的一个或多个周围的小小区确定相邻小小区; 根据订阅小单元的一个或多个用户的信道状态向一个或多个用户分配通信资源; 以及通过采用一种或多种减少干扰的方法来传送数据给所述通信资源被分配到的一个或多个用户，以减少相邻小小区的干扰。

公开(公告)号：US20140171072A1

公开(公告)日：2014-06-19

申请号：US13898863

申请日：2013-05-21

Applicant: Electronics and Telecommunications Research Institute

Inventor： Kyu Min KANG ,  Sang In CHO ,  Jae Cheol PARK ,  Byung Jang JEONG

IPC: H04W48/16

CPC classification number: H04W16/14 ,  H04W72/06

Abstract: Disclosed are an apparatus and a method of calculating available channels considering a priority in a TVWS. An apparatus for calculating available channels considering a priority in a TVWS according to the present invention includes: a communication module configured to receive a request for information on usable available channels from a TV Band Device (TVBD); an available channel calculation unit configured to calculate one or more available channels usable by the TVBD based on one or more predetermined reference parameters according to the request; a priority assignment unit configured to assign a priority to each of the calculated available channels, generate an available channel list including the available channels to which the priorities are assigned, and provide the TVBD with the generated available channel list; and a database configured to store the available channels, to which the priorities are assigned, calculated for each TVBD.

Abstract translation: 公开了考虑TVWS中的优先级来计算可用信道的装置和方法。 根据本发明的考虑TVWS中的优先级的可用信道的计算装置包括：通信模块，被配置为从TV频带设备（TVBD）接收关于可用可用信道的信息的请求; 可用信道计算单元，被配置为根据所述请求计算基于一个或多个预定参考参数的TVBD可用的一个或多个可用信道; 优先级分配单元，被配置为为每个所计算的可用信道分配优先级，生成包括优先级被分配到的可用信道的可用信道列表，并向TVBD提供生成的可用信道列表; 以及被配置为存储为每个TVBD计算优先级被分配到的可用信道的数据库。

公开(公告)号：US20240284491A1

公开(公告)日：2024-08-22

申请号：US18561197

申请日：2022-05-24

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

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.

公开(公告)号：US20230319737A1

公开(公告)日：2023-10-05

申请号：US18126622

申请日：2023-03-27

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

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

IPC: H04W52/48 ,  H04W52/24 ,  H04W52/22

CPC classification number: H04W52/48 ,  H04W52/242 ,  H04W52/22

Abstract: A power control method for reducing power consumption of a terminal during retransmission in a wireless communication system using spread spectrum may include: transmitting a response message corresponding to a request message received from a base station to the base station; determining whether an acknowledgement (ACK) message is received from the base station in response to the response message; after the ACK message is received, determining whether the response message is decoded by the base station on the basis of the ACK message; and when it is determined that the response message is not decoded by the base station, setting retransmission transmission power randomly.

公开(公告)号：US20230095120A1

公开(公告)日：2023-03-30

申请号：US17945255

申请日：2022-09-15

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

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

IPC: G08G5/00 ,  H04L1/18

Abstract: A method of managing identification information of a drone may include: generating an access message, wherein the access message includes an identifier for the ground identification device, which is a transmitter, an identifier for a receiver, an execution function command for classifying and defining a function to be performed, a serial number for transmitting information sequentially and retransmitting the information when transmission fails, data size information for informing a size of data to be transmitted, and transmission data; and transmitting the access message to an integrated management system corresponding to the identifier for the receiver.

公开(公告)号：US20220322473A1

公开(公告)日：2022-10-06

申请号：US17626423

申请日：2020-07-10

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  KOREA NATIONAL UNIVERSITY OF TRANSPORTATION INDUSTRY-ACADEMIC CORPORATION FOUNDATION

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

IPC: H04W76/15 ,  H04L1/16

Abstract: The present invention relates to a method for operating a first communication node in a wireless local area network (WLAN) supporting a multi-link operation, comprising the steps of: setting a first transmit window size of a first link for transmitting a plurality of frames to a second communication node; transmitting the plurality of frames through the first link; when the state of a channel detected through channel sensing in the second link is an idle state, setting a transmit opportunity (TXOP) in the channel; and when the transmit opportunity is set, performing an agreement with the second communication node on the size of a second transmit window for transmitting the plurality of frames. Therefore, it is possible to improve the performance of a communication system.

公开(公告)号：US20200015165A1

公开(公告)日：2020-01-09

申请号：US16506831

申请日：2019-07-09

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Sung Hyun HWANG ,  Kyu Min KANG ,  Sung Jin YOO ,  Su Na CHOI ,  Jae Cheol PARK ,  Yong Ho KIM

IPC: H04W52/02 ,  H04W76/27

Abstract: Disclosed are a low-power communication method and a low-power communication apparatus in a communication system. A low-power station may comprise a processor; a memory storing at least one instruction executable by the processor; a receiver for receiving a WUR PPDU according to the at least one instruction; and a transceiver for transmitting and receiving a legacy PPDU according to the at least one instruction, and the at least one instruction may be configured to cause the receiver to receive a WUR wake-up frame from the access point in an on-duration within a WUR duty cycle period; when the WUR wake-up frame is received, cause the processor to transmit a first signal requesting wake-up to the transceiver; and when the first signal is received, cause the transceiver to transition from a sleep state to a wake-up state at a TWT configured between the access point and the low-power station.

公开(公告)号：US20170230129A1

公开(公告)日：2017-08-10

申请号：US15217884

申请日：2016-07-22

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Sung Jin YOO ,  Kyu Min KANG ,  Seung Keun PARK ,  Jae Cheol PARK ,  Jung Sun UM ,  Hoi Yoon JUNG

IPC: H04J11/00 ,  H04L1/24 ,  H04L12/26 ,  H04W24/06

CPC classification number: H04L1/244 ,  H04B17/0085 ,  H04B17/11 ,  H04B17/15 ,  H04L1/206 ,  H04W24/06

Abstract: Provided is a PIM detection apparatus including: a tone signal input unit configured to apply a tone signal having a first frequency characteristic to a test target apparatus; a sequence signal input unit configured to apply a sequence signal having a second frequency characteristic to the test target apparatus; a PIM detector configured to receive a Passive Intermodulation (PIM) signal from the test target apparatus, and to detect a delay time and a size of the PIM signal based on the sequence signal; and a PIM position determiner configured to determine a PIM occurrence position by using the delay time and the size of the PIM signal.

公开(公告)号：US20150208422A1

公开(公告)日：2015-07-23

申请号：US14268582

申请日：2014-05-02

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jae Cheol PARK ,  Kyu Min KANG ,  Sang In CHO ,  Dong Hun LEE ,  Byung Jang JEONG

IPC: H04W72/08 ,  H04W52/24 ,  H04W52/34

CPC classification number: H04W72/082 ,  H04W16/16 ,  H04W52/241 ,  H04W52/243 ,  H04W52/244 ,  H04W52/265 ,  H04W52/267 ,  H04W52/346

Abstract: Disclosed is a method of allocating radio resources, including: acquiring available channel information of a cognitive radio small cell; analyzing a channel characteristic based on the available channel information and dividing a required transmission rate of the cognitive radio small cell into required transmission rates for each available channel; and performing a power control for each available channel based on the divided required transmission rates for each available channel. The method of allocating radio resources may be performed under an interference environment in which a plurality of cognitive radio small cells is present and the plurality of cognitive radio small cells shares an available channel.

Abstract translation: 公开了一种分配无线电资源的方法，包括：获取认知无线电小区的可用信道信息; 基于所述可用信道信息分析信道特性并将所述认知无线电小区的所需传输速率划分为每个可用信道的所需传输速率; 并且基于每个可用信道的所划分的所需传输速率对每个可用信道执行功率控制。 分配无线电资源的方法可以在其中存在多个认知无线电小小区并且多个认知无线电小区分享可用信道的干扰环境下执行。

公开(公告)号：US20130184025A1

公开(公告)日：2013-07-18

申请号：US13717685

申请日：2012-12-17

Applicant: Electronics and Telecommunications Research Institute

Inventor： Sang In CHO ,  Kyu Min KANG ,  Byung Jang JEONG

IPC: H04W72/04

CPC classification number: H04W72/0453 ,  H04L27/0006 ,  H04W16/14 ,  H04W52/244 ,  H04W52/283 ,  H04W72/00

Abstract: Provided is a white space use system using a connection recognition signal, which is associated with technology that enables white space devices to search for and to use an available frequency band in a digital broadcasting system. In particular, provided is a white space use system using a connection recognition signal that enables even devices incapable of autonomously searching for an available channel to safely use a white space in interaction with white space devices.

Abstract translation: 提供了一种使用连接识别信号的白色空间使用系统，其与能够使空白设备在数字广播系统中搜索和使用可用频带的技术相关联。 特别地，提供了一种使用连接识别信号的白色空间使用系统，其能够使得能够自主地搜索可用信道的装置能够安全地使用与空白设备交互的空白空间。