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61.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：US12294871B2
公开(公告)日：2025-05-06
申请号：US17674656
申请日：2022-02-17
Inventor： Hoon Dong Noh , Moon Sik Lee , Jae Woo Park , Jae Seung Lee
Abstract: An operation method of a repeater performing relaying between a base station and a first terminal in a communication system may comprise: receiving one or more signals from at least one of the base station and the first terminal; performing monitoring on the one or more signals in a time interval for which a transmission direction is not determined by the base station; and determining the transmission direction of the time interval based on a result of the monitoring, wherein the one or more signals include at least one of a first signal received from the base station or a second signal received from the first terminal.
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公开(公告)号：US11870468B2
公开(公告)日：2024-01-09
申请号：US18051802
申请日：2022-11-01
Inventor： Yu Ro Lee , Jae Woo Park , Jae Seung Lee , Jee Yon Choi , Il Gyu Kim , Seung Chan Bang
IPC: H04L1/06 , H04L5/00 , H04B7/0452 , H04W72/0453 , H04B7/06 , H04W84/12
CPC classification number: H04B7/0452 , H04B7/068 , H04B7/0697 , H04L5/0028 , H04L5/0064 , H04L5/0092 , H04W72/0453 , H04L5/0023 , H04W84/12
Abstract: A wireless communication method and apparatus in a wireless local area network (WLAN) system are disclosed. A wireless communication method according to one embodiment may include generating a high-efficiency Wi-Fi (HEW) frame including at least one of an HEW-SIG-A field and an HEW-SIG-B field which include channel information for communications according to an Orthogonal Frequency-Division Multiple Access (OFDMA) mode, and transmitting the generated HEW frame to a reception apparatus.
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公开(公告)号：US11463218B2
公开(公告)日：2022-10-04
申请号：US16921541
申请日：2020-07-06
Inventor： Yu Ro Lee , Jae Woo Park , Jae Seung Lee , Jee Yon Choi , Il Gyu Kim , Seung Chan Bang
IPC: H04L5/00 , H04B17/336 , H04B7/024 , H04L27/26 , H04B7/0452 , H04B7/06
Abstract: Disclosed are a frame transmission method and a communication device performing the same. The communication device transmits a null data packet (NDP)-announcement (NDP-A) including information on a plurality of communication devices participating in interference alignment and transmits an NDP including a common signal field and a common training field commonly applied to the plurality of communication devices.
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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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Patent Agency Ranking
66.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：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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公开(公告)号：US10555336B2
公开(公告)日：2020-02-04
申请号：US14407855
申请日：2013-06-13
Inventor： Hyoung Jin Kwon , Jae Seung Lee , Min Ho Cheong , Hee Jung Yu , Sok Kyu Lee
IPC: H04W74/00
Abstract: Provided are a terminal for requesting and acquiring information associated with a channel access in a wireless local area network (WLAN) and an apparatus for providing information associated with a channel access in a WLAN, and more particularly, the terminal for requesting and acquiring information associated with a channel access in a WLAN according to an example embodiment may verify whether a beacon is received during a predetermined beacon interval, transmit a group and slot information request signal when the beacon is verified not to be received, and receive a group and slot information response signal in response to the group and slot information request signal.
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公开(公告)号：US10375682B2
公开(公告)日：2019-08-06
申请号：US14890303
申请日：2014-05-12
Inventor： Min ho Cheong , Hyoung Jin Kwon , Jae Seung Lee , Sok Kyu Lee
IPC: H04W72/04 , H04B17/309 , H04W48/12 , H04W84/12 , H04W74/00
Abstract: A method for channel sounding in a wireless local area network (WLAN) system and apparatus for the same is disclosed. An access point (AP) to perform the method for channel sounding broadcasts information on a restricted access window (RAW) for channel sounding included in a beacon, and transmits null data packets (NDP) for channel estimation in the RAW to a station (STA). The STA estimates channel information based on the NDPs, and transmits the estimated channel information to the AP.
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