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公开(公告)号：US20150139069A1
公开(公告)日：2015-05-21
申请号：US14586901
申请日：2014-12-30
Inventor： Kap Seok CHANG , Sung Geun JIN , Hyun Kyu CHUNG , Woo Yong LEE , Hyoung Jin KWON
CPC classification number: H04W56/005 , H04B7/15592 , H04W56/00 , H04W56/001 , H04W56/002 , H04W56/0045
Abstract: A source station for synchronization of transmission and reception of data in a cooperative communication system includes a first receiver to receive, from a destination station, a first request frame including information regarding a first point in time when a first response frame is to be transmitted; a first transmitter to transmit the first response frame to the destination station, at the first point in time; a second transmitter to transmit, to a relay station, a second request frame including information regarding a second point in time when a second response frame is to be transmitted; a second receiver to receive the second response frame transmitted by the relay station at the second point in time; and a time estimator to estimate a first propagation delay time between the source station and the relay station, based on a time in which the second response frame is received.
Abstract translation: 用于同步协作通信系统中的数据的发送和接收的源站包括：第一接收机，用于从目的地站接收第一请求帧，该第一请求帧包括关于要发送第一响应帧的第一时间点的信息; 在第一时间点将第一响应帧发送到目的地站的第一发射机; 第二发送器，用于向中继站发送包括关于要发送第二响应帧的第二时间点的信息的第二请求帧; 第二接收器，用于接收由所述中继站在所述第二时间点发送的所述第二响应帧; 以及时间估计器，用于基于接收到第二响应帧的时间来估计源站和中继站之间的第一传播延迟时间。
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62.发明申请METHOD FOR DIRECT COMMUNICATION BETWEEN STATIONS IN WIRELESS LOCAL AREA SYSTEM 审中-公开无线局域网系统之间直接通信的方法公开(公告)号：US20140301294A1
公开(公告)日：2014-10-09
申请号：US14227893
申请日：2014-03-27
Inventor： Hyoung Jin KWON , Jae Seung LEE , Min Ho CHEONG , Sok Kyu LEE , Hee Jung YU
CPC classification number: H04W76/14 , H04W72/0453
Abstract: Disclosed is a method for direct communication between stations. The method for direct communication between stations may include: receiving scheduling information on a frequency selective transmission (FST) from an access point; setting up a link for communication with another station based on the scheduling information; and communicating with the other station using the link.
Abstract translation: 公开了一种站间直接通信的方法。 用于站间直接通信的方法可以包括：从接入点接收关于频率选择性传输（FST）的调度信息; 根据调度信息建立与另一台站通信的链路; 并使用该链路与另一台站进行通信。
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63.发明申请METHOD AND COMMUNICATION APPARATUS FOR TRANSMITTING GROUP FRAME, AND METHOD AND USER TERMINAL FOR RECEIVING GROUP FRAME 审中-公开用于发送组帧的方法和通信装置，以及用于接收组帧的方法和用户终端公开(公告)号：US20140169387A1
公开(公告)日：2014-06-19
申请号：US14105093
申请日：2013-12-12
Inventor： Kyeong Pyo KIM , Hyoung Jin KWON , Min Ho CHEONG , Jae Seung LEE , Sok Kyu LEE
IPC: H04L29/06
CPC classification number: H04L69/22
Abstract: A communication apparatus and method for transmitting a group frame, and a user terminal and method for receiving a group frame are provided. The communication apparatus may transmit a group frame to each of a plurality of user terminals. The group frame may be generated by grouping, in a physical layer, frames that are respectively transmitted to the plurality of user terminals.
Abstract translation: 提供一种用于发送组帧的通信装置和方法，以及用于接收组帧的用户终端和方法。 通信装置可以将组帧发送到多个用户终端中的每一个。 可以通过在物理层中分组分别发送到多个用户终端的帧来生成组帧。
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64.发明申请DATA TRANSCEIVING APPARATUS AND METHOD IN CENTRALIZED MAC-BASED WIRELESS COMMUNICATION SYSTEM 审中-公开基于MAC的无线通信系统中的数据传输设备和方法公开(公告)号：US20140133390A1
公开(公告)日：2014-05-15
申请号：US14161112
申请日：2014-01-22
Inventor： Hyoung Jin KWON , Jin Kyeong Kim , Yong Sun Kim , Seung Eun Houng , Kyeongpay Kim , Woo Yung Lee
IPC: H04W40/14
CPC classification number: H04W40/14 , H04L45/122 , H04L45/28 , H04W40/02
Abstract: A data transceiving apparatus and method in a centralized MAC-based wireless communication system are provided. The data transceiving method of a centralized MAC-based device may include: setting a direct path to a device and a relay path to a piconet coordinator (PNC); selecting any one of the direct path and the relay path; and transceiving data via the selected path.
Abstract translation: 提供了一种基于集中式MAC的无线通信系统中的数据收发装置和方法。 集中的基于MAC的设备的数据收发方法可以包括：设置到设备的直接路径和到微微网协调器（PNC）的中继路径; 选择直接路径和中继路径中的任何一个; 并通过所选路径收发数据。
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公开(公告)号：US20200068578A1
公开(公告)日：2020-02-27
申请号：US16669074
申请日：2019-10-30
Inventor： Jae Seung LEE , Min Ho CHEONG , Hyoung Jin KWON , Sok Kyu LEE , Wun Cheol JEONG , Chang Sub SHIN , Cheol Sig PYO
Abstract: Provided are a method of allocating resources in a wireless local area network (WLAN) system and the WLAN system including an access point (AP) to allocate a resource for communication between a relay and a station associated with the relay, the relay to allocate a restricted access window (RAW) or a slot for communication with a station based on the allocated resource, and the station to communicate with the relay based on the allocated RAW or the allocated slot.
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Patent Agency Ranking
公开(公告)号：US20200014427A1
公开(公告)日：2020-01-09
申请号：US16578100
申请日：2019-09-20
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.
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67.发明申请公开(公告)号：US20190356579A1
公开(公告)日：2019-11-21
申请号：US16529042
申请日：2019-08-01
Inventor： Seung Eun HONG , Kyeongpyo KIM , Yong Sun KIM , Hyoung Jin KWON , Woo Yong LEE
IPC: H04L12/707 , H04W40/24 , H04W24/04 , H04L12/24 , H04L12/703
Abstract: Provided is a method and apparatus for setting a detour path in a wideband high frequency wireless system using a centralized Media Access Control (MAC) protocol. Here, in a wireless system using the centralized MAC protocol where a time synchronization and a band allocation may be performed by a single central control unit, when a signal blockage occurs while a data communication is being performed via a direct path between a source device and a destination device, the detour path may be quickly provided.
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公开(公告)号：US20190289625A1
公开(公告)日：2019-09-19
申请号：US16430222
申请日：2019-06-03
Inventor： Hyoung Jin KWON , Jae Seung LEE , Min ho CHEONG , Hee Jung YU , Sok Kyu LEE
Abstract: An apparatus and a method of controlling slot-based channel access by an access point (AP) to manage a network in a wireless local area network (WLAN) environment and a slot-based channel access terminal are disclosed. A slot-based channel access control apparatus of a WLAN system according to an exemplary embodiment determines one of each terminal and a group of terminals as a slot allocation target, allocates a slot defined in a beacon interval to the determined terminal or group to distinguish channel access time, and transmits a beacon including information on the allocated slot.
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公开(公告)号：US20190191455A1
公开(公告)日：2019-06-20
申请号：US16245179
申请日：2019-01-10
Inventor： Min ho CHEONG , Hyoung Jin KWON , Jae Seung LEE , Jae Woo PARK , Sok Kyu LEE
IPC: H04W74/04 , H04W48/16 , H04B7/0408 , H04W74/08 , H04B7/06
Abstract: A channel access method and apparatus are disclosed. The channel access method by an access point (AP) having a sector antenna in a wireless local access network (WLAN), may include transmitting a sector beacon with respect to any one sector among a plurality of sectors, transmitting and receiving data with at least one station in any one sector during a pre-scheduled sector interval, sequentially performing transmission of the sector beacon and transmission and reception of the data with respect to remaining sectors of the plurality of sectors excluding the any one sector, transmitting an omni beacon with respect to all of the plurality of sectors, and transmitting and receiving data with respect to at least one station of the plurality of sectors during a pre-scheduled Basic Service Set (BSS) interval.
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公开(公告)号：US20190021041A1
公开(公告)日：2019-01-17
申请号：US16124009
申请日：2018-09-06
Inventor： Jae Seung LEE , Min ho CHEONG , Hyoung Jin KWON , Jae Woo PARK , Sok Kyu LEE
Abstract: Provided is a sector discovery apparatus and method, the method including setting, by an AP in a WLAN system, an omni-beacon interval for transmitting an omnidirectional beacon and sector beacon intervals for transmitting a sector beacon with respect to one of a plurality of sectors which are spatially divided, transmitting the sector beacon to a current sector among the plurality of sectors, transmitting, to the current sector, a transmission frame indicating sectorized transmission or a transmission frame indicating omnidirectional transmission, in a sector interval between the sector beacon intervals, and receiving, from a terminal located in the current sector, a response frame indicating an association performed by receiving the transmission frame indicating the sectorized transmission
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