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公开(公告)号：US20240155652A1
公开(公告)日：2024-05-09
申请号：US18257582
申请日：2021-12-15
Inventor： Hoon Dong NOH , Moon Sik LEE , Jae Seung LEE
IPC: H04W72/27 , H04W16/28 , H04W72/0446 , H04W72/0453
CPC classification number: H04W72/27 , H04W16/28 , H04W72/0446 , H04W72/0453
Abstract: A resource management method carried out by an integrated access and backhaul (IAB) node in a communication system, according to one embodiment of the present invention, may comprise the steps of: receiving, from an upper-level node of an IAB node, a first upper layer signaling signal for resource configuration of the IAB node; receiving, from the upper-level node of the IAB node, a second upper layer signaling signal for resource configuration of the IAB node; and, on the basis of the first and second upper layer signaling signals, determining that an IAB-mobile terminal (IAB-MT) and an IAB-distributed unit (IAB-DU) constituting the IAB node carry out communication by being multiplexed by any one scheme among time division, frequency division and spatial division.
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42.发明公开公开(公告)号：US20230422221A1
公开(公告)日：2023-12-28
申请号：US18244450
申请日：2023-09-11
Inventor： Jae Seung LEE , Sok-kyu LEE
IPC: H04W72/0446 , H04W84/12 , H04L45/00 , H04W8/22
CPC classification number: H04W72/0446 , H04W84/12 , H04L45/00 , H04W8/22 , H04W16/32
Abstract: A method and apparatus for configuring mesh peer link and a method and apparatus for switching channel in wireless mesh network are provided. A method of configuring a mesh peer link in a wireless mesh network includes a first mesh station transmitting a mesh peering open frame to a second mesh station, and the first mesh station receiving a mesh peering confirm frame from the second mesh station in response to the mesh peering open frame, wherein the first mesh station and the second mesh station support a very high throughput (VHT), and wherein the mesh peering open frame and the mesh peering confirm frame comprise a VHT capability information element.
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公开(公告)号：US20200214051A1
公开(公告)日：2020-07-02
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
IPC: H04W74/08
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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公开(公告)号：US20190335394A1
公开(公告)日：2019-10-31
申请号：US16510525
申请日：2019-07-12
Inventor： Il Gyu KIM , Yu Ro LEE , Jae Seung LEE , Jae Woo PARK , Jee Yon CHOI
Abstract: Provided is a wireless communication method performed at an access point to enhance the transmission efficiency in a wireless local area network (WLAN) system, the method including scheduling a transmission time of an enhanced traffic indicator map (TIM) frame based on a type of a station, and transmitting a second beacon including the enhanced TIM frame to the station at a point in time aside from a transmission point in time of a first beacon.
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公开(公告)号：US20190289539A1
公开(公告)日：2019-09-19
申请号：US16431487
申请日：2019-06-04
Inventor： Jae Seung LEE , Min ho CHEONG , Je Hun LEE , Ja Beom GU , Jae Woo PARK , Sok Kyu LEE
Abstract: A scanning method in a wireless local area network (WLAN) system is provided. The scanning method includes transmitting, by a station, a probe request frame and receiving, by the station, a probe response frame from an access point (AP). The AP determines whether to transmit the probe response frame in response to the probe request frame using information indicated by the probe request frame.
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Patent Agency Ranking
公开(公告)号：US20190239161A1
公开(公告)日：2019-08-01
申请号：US16379629
申请日：2019-04-09
Inventor： Jae Seung LEE , Hyoung Jin KWON , Min ho CHEONG , Hee Jung YU , Sok Kyu LEE
Abstract: An operating mode change method of a wireless local area network (WLAN) system according to an exemplary embodiment includes transmitting, by a station (STA) to an access point (AP), an operating mode change request frame comprising at least one of information on a change of a traffic indication map (TIM) mode, a request for a change of a power save parameter, and information on a change of a service type of the STA, receiving, from the AP, an operating mode change response frame comprising at least one of a TIM mode allowed by the AP, a reallocated association identification (AID), and information on a changed power save parameter, and performing at least one of the change of the TIM mode and the change of the power save parameter based on the information included in the operating mode change
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47.发明申请公开(公告)号：US20190159040A1
公开(公告)日：2019-05-23
申请号：US16259058
申请日：2019-01-28
Inventor： Yu Ro LEE , Jae Woo PARK , Jae Seung LEE , Jee Yon CHOI , Il Gyu KIM , Seung Chan BANG
Abstract: Disclosed are a frame transmission method using a selective beamforming and a communication apparatus to perform the frame transmission method. The communication apparatus may determine a beamforming matrix based on classification information in which a plurality of subcarriers used for communication is classified into a plurality of frequency units, may map a long training field (LTF) sequence to the beamforming matrix, and transmit a beamforming training (BF-T) frame including the mapped LTF sequence to a plurality of stations, may receive, from the plurality of stations having receiving the BF-T frame, feedback information generated based on a reception strength of the BF-T frame, and may allocate frequency units to data frames to be transmitted to the plurality of stations based on the feedback information, and transmit the data frames using the allocated frequency units. The reception strength of the BF-T frame may be determined at each station for each frequency unit.
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48.发明申请公开(公告)号：US20190104531A1
公开(公告)日：2019-04-04
申请号：US16191286
申请日：2018-11-14
Inventor： Hyoung Jin KWON , Sok Kyu LEE , Jae Seung LEE , Min Ho CHEONG
IPC: H04W72/12 , H04L27/26 , H04B7/0452 , H04L25/02 , H04L5/00 , H04W84/12 , H04B7/0417
CPC classification number: H04W72/121 , H04B7/0417 , H04B7/0452 , H04L5/0007 , H04L5/0023 , H04L5/0037 , H04L5/0044 , H04L5/005 , H04L25/0204 , H04L25/0224 , H04L27/2613 , H04W72/1231 , H04W84/12
Abstract: Disclosed are a wireless communication method, and an access point and a station which perform the wireless communication method. A wireless communication method performed by an access point according to an embodiment may include performing channel sounding on a plurality of subchannels, identifying subchannels selected by stations among the subchannels, scheduling communications between the AP and the stations based on the selected subchannels, and transmitting a data frame to the stations through the subchannels based on a scheduling result.
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公开(公告)号：US20190007111A1
公开(公告)日：2019-01-03
申请号：US16122858
申请日：2018-09-05
Inventor： Jae Woo PARK , Jong Ee OH , Il-Gu LEE , Sok-Kyu LEE , Min Ho CHEONG , Jee Yon CHOI , Jae Seung LEE , Yun Joo KIM
IPC: H04B7/0452 , H04L1/08 , H04L1/00 , H04L29/06 , H04L27/20 , H04L27/18 , H04B7/0413 , H04L29/08 , H04W84/12
CPC classification number: H04B7/0452 , H04B7/0413 , H04L1/0003 , H04L1/0061 , H04L1/0072 , H04L1/0075 , H04L1/0083 , H04L1/08 , H04L27/18 , H04L27/20 , H04L69/22 , H04L69/323 , H04Q2213/13215 , H04W84/12
Abstract: The present invention relates to a method and apparatus for transceiving data. A method in which a transmitting terminal transmits data to a receiving terminal in a MIMO system according to one embodiment of the present invention comprises the following steps: generating a data field containing the data; generating a signal field containing information on the data field; generating a data frame containing the data field and the signal field; and transmitting the data frame to the receiving terminal. According to the present invention, an end of the frame being transmitted is accurately notified to the receiving terminal in a communication system in which the frame is transmitted using MIMO, thereby decoding the frame in a more efficient manner at the receiving terminal.
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公开(公告)号：US20180007713A1
公开(公告)日：2018-01-04
申请号：US15706085
申请日：2017-09-15
Inventor： Min Ho CHEONG , Hyoung Jin KWON , Jae Seung LEE , Jae Woo PARK , Sok Kyu LEE
CPC classification number: H04W74/04 , H04B7/0408 , H04B7/0617 , H04W16/28 , H04W48/16 , H04W74/08 , H04W84/12
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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