公开(公告)号：US20150245359A1

公开(公告)日：2015-08-27

申请号：US14445439

申请日：2014-07-29

Applicant: Electronics and Telecommunications Research Institute

Inventor： Igor KIM ,  Gwang Zeen KO ,  Jin Hyung OH ,  Hyun Duk KANG ,  Myung Sun SONG

IPC: H04W72/06 ,  H04W24/10 ,  H04L1/00 ,  H04W72/08

CPC classification number: H04L1/0003 ,  H04L1/0009 ,  H04L1/0015 ,  H04L1/0034 ,  H04W24/10 ,  H04W28/22

Abstract: A method and apparatus of selecting a transmission rate in a wireless transmission system are provided. The method of selecting a transmission rate by a transmission rate selecting apparatus may comprise assigning a weight to each of criteria for selecting a transmission rate per service class, calculating a score for each transmission rate per service class using statistics information collected for a plurality of transmission rates based on the weight-assigned criteria, and selecting a transmission rate for a service class based on the calculated score.

Abstract translation: 提供了一种在无线传输系统中选择传输速率的方法和装置。 由传输速率选择装置选择传输速率的方法可以包括：为每个服务等级选择传输速率的标准分配权重，使用针对多个传输收集的统计信息来计算每个业务类别的每个传输速率的得分 基于权重分配标准的费率，以及基于所计算的分数来选择服务等级的传输速率。

公开(公告)号：US20150181561A1

公开(公告)日：2015-06-25

申请号：US14577219

申请日：2014-12-19

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jin Hyung OH ,  Gwang Zeen KO ,  Hyun Duk KANG ,  Igor KIM ,  Myung Sun SONG

IPC: H04W72/04

CPC classification number: H04W80/02 ,  H04L1/1861 ,  H04W28/06 ,  H04W72/00 ,  H04W84/12

Abstract: Provided are a frame transmission method performed in an access point (AP), a frame reception method performed in a terminal, and an AP. The frame transmission method performed in an AP includes acquiring a channel for transmitting a first data unit of a first terminal, when a data unit to be transmitted to at least one terminal other than the first terminal is in the AP, generating a physical layer convergence procedure (PLCP) protocol data unit (PPDU) including the first data unit and the data unit to be transmitted to the at least one terminal, and transmitting the PPDU to the first terminal and the at least one terminal. Accordingly, it is possible to improve the performance of a wireless local area network (WLAN).

Abstract translation: 提供了在接入点（AP）中执行的帧发送方法，在终端中执行的帧接收方法和AP。 在AP中执行的帧发送方法包括：当要发送到除了第一终端之外的至少一个终端的数据单元在AP中时，获取用于发送第一终端的第一数据单元的信道，生成物理层收敛 程序（PLCP）协议数据单元（PPDU），包括要发送到至少一个终端的第一数据单元和数据单元，以及将PPDU发送到第一终端和至少一个终端。 因此，可以提高无线局域网（WLAN）的性能。

公开(公告)号：US20150139031A1

公开(公告)日：2015-05-21

申请号：US14548826

申请日：2014-11-20

Applicant: Electronics and Telecommunications Research Institute

Inventor： Hyun Duk KANG ,  Gwang Zeen KO ,  Igor KIM ,  Myung Sun SONG ,  Jin Hyung OH

IPC: H04W48/16 ,  H04W8/00

CPC classification number: H04W16/10 ,  H04W84/12 ,  H04W92/20

Abstract: Disclosed is a discovery method of neighbor node in a wireless local area network (LAN). The discovery method includes performing a scanning procedure, performing an authentication procedure with a first terminal detected through the scanning procedure, performing an association procedure with the first terminal in which the authentication procedure has been performed, acquiring, from the first terminal, a scanning result of a scanning procedure having been performed in the first terminal, and generating a first AP list based on a scanning result of a scanning procedure having been performed in the first AP and the scanning result of the scanning procedure having been performed in the first terminal Therefore, interference problems between neighbor access points (APs) may be solve.

Abstract translation: 公开了无线局域网（LAN）中的邻居节点的发现方法。 该发现方法包括执行扫描过程，对通过扫描过程检测到的第一终端执行认证过程，对已执行认证过程的第一终端执行关联过程，从第一终端获取扫描结果 已经在第一终端中执行了扫描过程，并且基于在第一AP中执行的扫描过程的扫描结果和在第一终端中执行的扫描过程的扫描结果来生成第一AP列表。因此 可以解决邻居接入点（AP）之间的干扰问题。

公开(公告)号：US20130163575A1

公开(公告)日：2013-06-27

申请号：US13627319

申请日：2012-09-26

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jin Suk PAK ,  Jung Sun UM ,  Gwang Zeen KO ,  Sung Jin YOO ,  Sang Won KIM ,  Byung Jang JEONG

IPC: H04W84/12 ,  H04L12/413

CPC classification number: H04W74/0808 ,  H04W72/042 ,  H04W84/12

Abstract: Disclosed is a contention based channel occupying method in a wireless network using a plurality of channels, including: acquiring, by terminals that are incapable of transmitting a data frame through primary contention, occupation channel information from a terminal that transmits the data frame through the primary contention; verifying, by the terminals, an occupiable channel based on the occupation channel information; and performing, by the terminals, secondary contention in the occupiable channel.

Abstract translation: 公开了一种使用多个信道的无线网络中的基于竞争的信道占用方法，包括：通过主要争用不能发送数据帧的终端从通过主要发送数据帧的终端获取占用信道信息 争用 基于所述占用频道信息，由所述终端验证占用频道; 并且由终端执行在占用信道中的二次争用。

公开(公告)号：US20230335889A1

公开(公告)日：2023-10-19

申请号：US18090112

申请日：2022-12-28

Applicant: Electronics and Telecommunications Research Institute

Inventor： Seong Min KIM ,  Sang Won KIM ,  Jung Ick MOON ,  Je Hoon YUN ,  In Kui CHO ,  Gwang Zeen KO

IPC: H01Q1/28 ,  H02J50/00 ,  H02J50/20 ,  H02J7/00 ,  B60L53/12 ,  B64C39/02 ,  B64U70/90 ,  G05D1/04 ,  B64U20/80 ,  B60L53/36 ,  B64U50/38 ,  B60L53/30 ,  B60L53/38 ,  B60L53/62 ,  H01Q1/10 ,  H01Q7/00

CPC classification number: H01Q1/28 ,  H02J50/005 ,  H02J50/20 ,  H02J7/0048 ,  B60L53/12 ,  B64C39/024 ,  B64U70/90 ,  G05D1/042 ,  B64U20/80 ,  B60L53/36 ,  B64U50/38 ,  B60L53/30 ,  B60L53/38 ,  B60L53/62 ,  H01Q1/10 ,  H01Q7/00 ,  B60L2200/10

Abstract: An antenna for charging and measurement may comprise: a telescopic support installed at a lower portion of an aerial vehicle and configured to contract when the aerial vehicle lands on a wireless station and extend when the aerial vehicle takes off from the wireless station; and an antenna coil part deformed into a spiral shape when the telescopic support is contracted so that the wireless station receives wireless power and deformed into a conical shape when the telescopic support is extended to measure a radio signal.

公开(公告)号：US20200014427A1

公开(公告)日：2020-01-09

申请号：US16578100

申请日：2019-09-20

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jae Seung LEE ,  Jin Hyung OH ,  Gwang Zeen KO ,  Hyun Duk KANG ,  Hyoung Jin KWON ,  Myung Sun SONG ,  Sok Kyu LEE ,  Min ho CHEONG ,  Jae Ick CHOI

IPC: H04B7/024 ,  H04B7/0452 ,  H04B7/06 ,  H04L1/00 ,  H04W48/00

Abstract: Disclosed is a communication method using interference alignment in a wireless local area network (WLAN). An access point (AP) according to one embodiment may receive first channel information between a station associated with the AP and the AP and second channel information between the station and a neighboring AP to perform interference alignment in cooperation with the AP from the station, and perform interference alignment based on the first channel information and the second channel information.

公开(公告)号：US20180027608A1

公开(公告)日：2018-01-25

申请号：US15722492

申请日：2017-10-02

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jin Hyung OH ,  Gwang Zeen KO ,  Hyun Duk KANG ,  Igor KIM ,  Myung Sun SONG

IPC: H04W80/02 ,  H04L1/18 ,  H04W72/00 ,  H04W84/12 ,  H04W28/06

CPC classification number: H04W80/02 ,  H04L1/1861 ,  H04W28/06 ,  H04W72/00 ,  H04W84/12

Abstract: Provided are a frame transmission method performed in an access point (AP), a frame reception method performed in a terminal, and an AP. The frame transmission method performed in an AP includes acquiring a channel for transmitting a first data unit of a first terminal, when a data unit to be transmitted to at least one terminal other than the first terminal is in the AP, generating a physical layer convergence procedure (PLCP) protocol data unit (PPDU) including the first data unit and the data unit to be transmitted to the at least one terminal, and transmitting the PPDU to the first terminal and the at least one terminal. Accordingly, it is possible to improve the performance of a wireless local area network (WLAN).

公开(公告)号：US20160135117A1

公开(公告)日：2016-05-12

申请号：US14890883

申请日：2014-05-09

Applicant: Electronics and Telecommunications Research Institute

Inventor： Hyun Duk KANG ,  Gwang Zeen KO ,  Myung Sun SONG

IPC: H04W48/16 ,  H04W24/02 ,  H04W16/14

CPC classification number: H04W16/14

Abstract: Disclosed are methods of exchanging messages necessary for interaction among entities in a coexistence management system that manages a plurality of frequency sharing devices. Specifically, a method of exchanging messages in a coexistence management system including a coexistence enabler (CE), a coexistence manager (CM), and a coexistence discovery and information server (CDIS) includes generating, by the CM, a ReconfigurationRequest message, sending the ReconfigurationRequest message to the CE, and waiting for a ReconfigurationResponse message from the CE. The ReconfigurationRequest message includes at least one of an operating channel list of a white space object (WSO) served by the CE, a transmission power limitation, a flag indicating whether or not a channel is shared, a transmission schedule, and channel classification information.

Abstract translation: 公开了在管理多个频率共享设备的共存管理系统中交换实体之间交互所需的消息的方法。 具体地说，在包括共存启动器（CE），共存管理器（CM）和共存发现和信息服务器（CDIS）的共存管理系统中交换消息的方法包括由CM生成ReconfigurationRequest消息，发送 ReconfigurationRequest消息给CE，并等待来自CE的ReconfigurationResponse消息。 重配置请求消息包括由CE服务的白空间对象（WSO）的操作信道列表，发送功率限制，指示信道是否被共享的标志，传输调度和信道分类信息中的至少一个。

公开(公告)号：US20150341847A1

公开(公告)日：2015-11-26

申请号：US14621523

申请日：2015-02-13

Applicant: Electronics and Telecommunications Research Institute

Inventor： Hyun Duk KANG ,  Gwang Zeen KO ,  Jin Hyung OH ,  Igor KIM ,  Myung Sun SONG

IPC: H04W48/16

CPC classification number: H04W48/16 ,  H04W24/02 ,  H04W84/12

Abstract: Disclosed are a method for avoiding interference in a wireless local area network system and an apparatus for performing the same. The method for avoiding interference by an access point in a wireless local area network system, includes receiving channel scan results from a station associated with the access point; setting connection with an adjacent access point based on the channel scan results; determining an access point to be associated with the station through negotiation with the adjacent access point; and transmitting a reassociation request message to request reassociation with the adjacent access point to the station when the negotiation with the adjacent access point succeeds.

Abstract translation: 公开了一种避免无线局域网系统中的干扰的方法及其执行装置。 用于避免无线局域网系统中的接入点的干扰的方法包括从与接入点相关联的站接收信道扫描结果; 根据频道扫描结果设置与相邻接入点的连接; 通过与所述相邻接入点协商来确定与所述站相关联的接入点; 以及当与相邻接入点的协商成功时，发送重新关联请求消息以请求与所述站的相邻接入点的重新关联。

公开(公告)号：US20150110045A1

公开(公告)日：2015-04-23

申请号：US14508006

申请日：2014-10-07

Applicant: Electronics and Telecommunications Research Institute

Inventor： Gwang Zeen KO ,  Hyun Duk KANG ,  Jin Hyung OH ,  Igor KIM ,  Myung Sun SONG

IPC: H04W72/08

CPC classification number: H04W72/085 ,  H04W72/0453

Abstract: Provided is a communication device and a method of allocating a partial band to avoid interference in the partial band, wherein the method includes extracting at least one partial band in which interference occurs from a plurality of partial bands constituting an operating channel of a user terminal, determining an available partial band aside from the extracted partial band, and allocating the determined partial band to the user terminal.

Abstract translation: 提供了一种分配部分频带以避免部分频带中的干扰的通信装置和方法，其中，该方法包括从构成用户终端的操作信道的多个部分频带中提取干扰发生的至少一个部分频带， 确定除了所提取的部分频带之外的可用的部分频带，以及将确定的部分频带分配给用户终端。