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公开(公告)号：US20180102816A1
公开(公告)日：2018-04-12
申请号：US15831243
申请日：2017-12-04
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
CPC classification number: H04B7/024 , H04B7/0452 , H04B7/0617 , H04L1/00 , H04L1/1685 , H04W48/00 , H04W84/12 , H04W88/08
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.
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2.发明申请公开(公告)号：US20150181456A1
公开(公告)日：2015-06-25
申请号：US14490780
申请日：2014-09-19
Inventor： Igor KIM , Gwang Zeen KO , Jin Hyung OH , Hyun Duk KANG , Myung Sun SONG
IPC: H04W28/02 , H04L12/26 , H04L12/875 , H04W24/08
CPC classification number: H04L47/56 , H04L43/0852 , H04L43/0858 , H04L47/25 , H04L47/28 , H04L47/30 , H04W24/08 , H04W74/08
Abstract: Provided is a frame transmission method and apparatus for controlling a one-way delay, the apparatus determining channel access delay between a reaching time at which at pre previous transmission frame reaches a head of a transmission queue and a transmission time at which the previous transmission frame it actually transmitted, and transmitting a current frame in a transmission mode determined by estimating a probability related to the transmission mode based on the channel access delay.
Abstract translation: 提供了一种用于控制单向延迟的帧发送方法和装置，该装置确定在先前传输帧之前到达传输队列的头部的到达时间与之前传输帧的传输时间之间的信道接入延迟 它实际上以基于信道访问延迟估计与传输模式相关的概率所确定的传输模式发送和发送当前帧。
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公开(公告)号：US20250141271A1
公开(公告)日：2025-05-01
申请号：US18922921
申请日：2024-10-22
Inventor： Kye Seok YOON , Gwang Zeen KO , Sang Won KIM , Seong Min KIM , In Kui CHO
IPC: H02J50/12 , H02M1/00 , H02M7/48 , H02M7/5381 , H02M7/5387
Abstract: A method and device for controlling a resonant inductor for implementing ZVS in a push-pull parallel resonant inverter is closed. The present disclosure provides A device comprising: a converter including a full-bridge circuit in which a first switch and a second switch form a first leg and a third switch and a fourth switch form a second leg and configured to convert a DC into an AC by turning on or off the switches; a resonant inductor circuit including a resonant inductor and a resonant switch connected in series and connected between two output nodes of the converter; a transmission coil connected in parallel with the resonant inductor circuit; and a controller configured to convert the DC into the AC by providing a switching timing for turning on or off the switches and control a switching timing of the resonant switch based on switching timings of the switches.
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公开(公告)号：US20170257863A1
公开(公告)日：2017-09-07
申请号：US15479824
申请日：2015-11-24
Inventor： Gwang Zeen KO , Hyun Duk KANG , Igor KIM , Myung Sun SONG
CPC classification number: H04W72/0446 , H04L5/0023 , H04L5/0044 , H04L5/0094 , H04L27/2601 , H04W24/02 , H04W72/0453 , H04W84/12 , H04W88/08
Abstract: A method for operating a station in a wireless LAN is disclosed. An OFDMA-based communication method comprises the steps of: receiving, from an access point, a first frame including time resource information and frequency resource information indicating a resource occupied for an OFDMA-based communication; and receiving, from the access point, a data frame through the resource indicated by the time resource information and frequency resource information. Therefore, performance of the wireless LAN system can be improved.
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公开(公告)号：US20160197655A1
公开(公告)日：2016-07-07
申请号：US14916920
申请日：2014-09-05
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
CPC classification number: H04B7/024 , H04B7/0452 , H04B7/0617 , H04L1/00 , H04L1/1685 , H04W48/00 , H04W84/12 , H04W88/08
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.
Abstract translation: 公开了一种在无线局域网（WLAN）中使用干扰对准的通信方法。 根据一个实施例的接入点（AP）可以在与AP相关联的站与AP之间接收第一信道信息，以及站与相邻AP之间的第二信道信息，以与来自站的AP协作执行干扰对准，以及 基于第一信道信息和第二信道信息执行干扰对准。
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Patent Agency Ranking
公开(公告)号：US20140177546A1
公开(公告)日：2014-06-26
申请号：US13919543
申请日：2013-06-17
Inventor： Hyun Duk KANG , Hoi Yoon JUNG , Gwang Zeen KO , Myung Sun SONG , Jae Ick CHOI
IPC: H04L5/06
CPC classification number: H04L5/06 , H04L5/0007 , H04L5/0073 , H04W16/10 , H04W16/14 , H04W28/16 , H04W72/082 , H04W74/002 , H04W84/12
Abstract: The present invention relates to an apparatus and a method for avoiding signal interference between access points (APs) in a non-license band, and more particularly, an interference avoidance apparatus and method between access points (APs) that avoid interference based on whether an overlapping basic service set (OBSS) is present, whether an overlapping operation channel between adjacent APs is used, whether it is possible to select a non-overlapping operation channel between adjacent APs, and the like.
Abstract translation: 本发明涉及一种用于避免非许可频带中的接入点（AP）之间的信号干扰的装置和方法，更具体地，涉及一种避免干扰的接入点（AP）之间的干扰避免装置和方法，所述接入点 存在重叠的基本服务集（OBSS），是否使用相邻AP之间的重叠操作信道，是否可以在相邻AP之间选择不重叠的操作信道等。
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7.发明申请公开(公告)号：US20190387575A1
公开(公告)日：2019-12-19
申请号：US16555942
申请日：2019-08-29
Inventor： Jin Hyung OH , Gwang Zeen KO , Hyun Duk KANG , Igor KIM , Myung Sun SONG
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).
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公开(公告)号：US20160088488A1
公开(公告)日：2016-03-24
申请号：US14890946
申请日：2014-05-09
Inventor： Hyun Duk KANG , Gwang Zeen KO , Myung Sun SONG
Abstract: Disclosed is an operating method of each entity in a coexistence management system that manages a plurality of frequency sharing devices. To perform operations of respective entities (a coexistence enabler (CE), a coexistence manager (CM), and a coexistence discovery and information server (CDIS)), a state machine of the entities is defined as inactive, active, waiting engagement, engaged, request-sent, and request-received states.
Abstract translation: 公开了一种管理多个频率共享装置的共存管理系统中的每个实体的操作方法。 为了执行各实体（共存启动器（CE），共存管理器（CM）和共存发现和信息服务器（CDIS））的操作，实体的状态机被定义为不活动，主动，等待接合，从事 ，请求发送和请求接收状态。
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公开(公告)号：US20240421637A1
公开(公告)日：2024-12-19
申请号：US18668575
申请日：2024-05-20
Inventor： Seong Min KIM , Gwang Zeen KO , Sang Won KIM , Kye Seok YOON , In Kui CHO
Abstract: The present disclosure relates to a method and apparatus for performing multiple wireless charging. A method or performing wireless charging according to an embodiment of the present disclosure may comprise: identifying one or more receiving coils subject to wireless charging; setting a plurality of transmission frequencies based on a plurality of receiving coils being identified; and transmitting a wireless power transmission signal to the plurality of receiving coils using a plurality of transmitting coils connected to one inverter. Herein, a wireless power transmission signal transmitted from each transmitting coil belonging to the plurality of transmitting coils may be generated by applying the plurality of transmission frequencies in a pre-configured order.
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10.发明申请公开(公告)号：US20170347312A1
公开(公告)日：2017-11-30
申请号：US15529013
申请日：2015-11-20
Inventor： Hyun Duk KANG , Gwang Zeen KO , Igor KIM , Myung Sun SONG
Abstract: The present invention relates to a method and a system for discovering an adjacent access point between multi-band wireless LAN access points, and to a method and a system for discovering an adjacent neighboring access point between access points in order to solve an interference problem between the access points in a wireless LAN using multi-bands.
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