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公开(公告)号：US09237540B2
公开(公告)日：2016-01-12
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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72.发明申请METHOD AND DEVICE FOR ALLOCATING RESOURCE IN WIRELESS LAN SYSTEM, COMMUNICATION TERMINAL METHOD AND COMMUNICATION TERMINAL 有权无线局域网系统分配资源的方法和设备，通信终端方法和通信终端公开(公告)号：US20150289242A1
公开(公告)日：2015-10-08
申请号：US14438184
申请日：2013-10-24
Inventor： Min Ho Cheong , Hyoung Jin Kwon , Jae Seung Lee , Jae woo Park , Sok Kyu Lee
CPC classification number: H04W72/044 , H04W56/0015 , H04W74/006 , H04W84/12
Abstract: Provided is a method and apparatus for allocating resources in a wireless local area network (WLAN) system, the method including determining a restricted access bandwidth (RAB) interval based on at least a bandwidth or a partial bandwidth among a plurality of bandwidths, and setting a restricted access window (RAW) of a time domain based on the RAB interval.
Abstract translation: 提供了一种用于在无线局域网（WLAN）系统中分配资源的方法和装置，所述方法包括基于多个带宽中的至少带宽或部分带宽来确定受限接入带宽（RAB）间隔，并且设置 基于RAB间隔的时域的受限访问窗口（RAW）。
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73.发明申请APPARATUS AND METHOD FOR PERFORMING VIRTUAL HIBERNATION DURING IDLE PERIOD IN WIRELESS LAN SYSTEM, AND TERMINAL DURING IDLE PERIOD OF WIRELESS LAN SYSTEM TERMINAL 审中-公开在无线局域网系统中的空闲期间执行虚拟HIBERNATION的设备和方法，以及无线局域网系统终端空闲期间的终端公开(公告)号：US20150146598A1
公开(公告)日：2015-05-28
申请号：US14409449
申请日：2013-06-19
Inventor： Min Ho Cheong , Hyoung Jin Kwon , Jae Seung Lee , Jae Woo Park , Sok Kyu Lee
CPC classification number: H04W52/0209 , Y02D70/142
Abstract: Provided is technology for reducing power consumption of a terminal using hibernation of an access point (AP) managing a network in a wireless local area network (WLAN) environment, and an apparatus for performing hibernation during a rest time during which effective data traffic does not occur in a WLAN system according to an example embodiment, the apparatus may transmit a hibernation message indicating not to respond to a request of terminals during a predetermined period, determine a scheme of performing hibernation and whether to maintain an association between terminals associated before the hibernation is performed, and receive, after the predetermined period of the hibernation, effective data from the terminals.
Abstract translation: 提供了一种用于降低在无线局域网（WLAN）环境中管理网络的接入点（AP）的休眠的终端的功耗的技术，以及用于在有效数据业务不在的休息时间期间进行休眠的设备 发生在根据示例实施例的WLAN系统中，该装置可以在预定时段期间发送指示不响应终端请求的休眠消息，确定执行休眠的方案以及是否在休眠之前关联终端之间的关联 并且在休眠的预定时间段之后接收来自终端的有效数据。
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公开(公告)号：US20130308056A1
公开(公告)日：2013-11-21
申请号：US13950986
申请日：2013-07-25
Inventor： Yong Sun KIM , Seung Eun Hong , Kyeongpyo Kim , Hyoung Jin Kwon , Jin Kyeong Kim , Woo Yong Lee
IPC: H04N7/26
CPC classification number: H04N19/67
Abstract: Disclosed are an Unequal Error Protection (UEP) apparatus and method thereof for transmitting various types of uncompressed video signals in a broadband high frequency wireless system. The UEP apparatus may include a UEP transmission controller to verify a bit separation point of separating a color depth and priority for each pixel element being composed of a video data pixel when video data is inputted, and to control an error correction coding of correcting relatively many errors to be used in information with a high priority for each pixel element, a bit separator to separate the video data pixel through a control of the UEP transmission controller based on the priority for each pixel element, and a channel coding unit to use a corresponding error correction coding through the control of the UEP transmission controller based on the priority for each pixel element.
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公开(公告)号：US11411636B2
公开(公告)日：2022-08-09
申请号：US17021030
申请日：2020-09-15
Inventor： Kap Seok Chang , Hyoung Jin Kwon , Sung Geun Jin , Yong Sun Kim , Seung Eun Hong , Woo Yong Lee , Hyun Kyu Chung
Abstract: Provided is an apparatus and method for wideband short-range wireless communication using a directional antenna in a millimeter wave band, and the method for wideband short-range wireless communication according to an embodiment may determine a first time interval and a second time interval for a cooperated data frame transfer based on a packet transmission time at each transmission from a source node to a destination node, transmit a frame to a relay node through an antenna pattern directed towards the relay node at a start point of the first time interval, and transmit the frame to the destination node through an antenna pattern directed towards the destination node after a predetermined period of time from a start point of the second time interval.
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Patent Agency Ranking
公开(公告)号：US11172518B2
公开(公告)日：2021-11-09
申请号：US16812073
申请日：2020-03-06
Inventor： Hyoung Jin Kwon , Jae Seung Lee , Min Ho Cheong , Hee Jung Yu , Jae Woo Park , Sok Kyu Lee
Abstract: Provided is slot use control apparatus and method, including an access point (AP) to control a slotted channel access of a station (STA) in a wireless local area network (WLAN) includes generating a synchronization (synch) frame including an identification value indicating an STA allocated to a slot, and broadcasting the generated synch frame when a channel is in an idle state at a start point of the slot.
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77.发明授权公开(公告)号：US11032846B2
公开(公告)日：2021-06-08
申请号：US16575238
申请日：2019-09-18
Inventor： Hyoung Jin Kwon , Hee Jung Yu , Sok Kyu Lee , Jae Seung Lee , Min Ho Cheong
Abstract: Disclosed are a method and apparatus for an access point (AP) to control channel access of a station in a wireless local area network (WLAN) system. An AP according to one embodiment may determine resource allocation information for protecting a resource for a station not referring to traffic indication map (TIM) information. The determined resource allocation information is transmitted to a station referring to the TIM information, and the station referring to the TIM information does not conduct channel access in a time period specified in the resource allocation information.
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公开(公告)号：US10897736B2
公开(公告)日：2021-01-19
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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公开(公告)号：US10834732B2
公开(公告)日：2020-11-10
申请号：US16396839
申请日：2019-04-29
Inventor： Hyoung Jin Kwon , Jin Kyeong Kim , Yong Sun Kim , Kyeongpyo Kim , Seung Eun Hong , Woo Yong Lee
IPC: H04W72/08 , H04B7/155 , H04L29/12 , H04L12/18 , H04L12/801 , H04B1/707 , H04L12/26 , H04L25/20 , H04W72/04
Abstract: Provided is an apparatus and method for transmitting and receiving data using multiple paths in a wireless communication system using a distributed Media Access Control (MAC). More particularly, provided is an apparatus and method for transmitting and receiving data that may select a path with a better channel status from multiple paths that include a direct path using a Line of Sight (LOS) and a relay path passing through a relay apparatus, in a wireless communication system that may transmit data via the LOS using a distributed MAC and a directional antenna.
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公开(公告)号：US10779318B2
公开(公告)日：2020-09-15
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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