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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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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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45.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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Patent Agency Ranking
46.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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公开(公告)号：US20170222697A1
公开(公告)日：2017-08-03
申请号：US15486123
申请日：2017-04-12
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 , H04L27/18 , H04L29/06
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：US20170013507A1
公开(公告)日：2017-01-12
申请号：US15206420
申请日：2016-07-11
Inventor： Jae Seung LEE , Moon Sik LEE , Young Hoon KIM , Hoo Sung LEE , Jae Woo PARK , Gyung Chul SHIN , Ik Jae CHUN , Jee Yon CHOI , Dong Seung KWON
CPC classification number: H04W4/80 , H04B5/0031 , H04B7/0413 , H04L1/0046 , H04L12/40071 , H04L67/147 , H04L69/161 , H04L69/22 , H04L2012/5652 , H04W56/001
Abstract: A method and apparatus for close-proximity communication. The close-proximity communication method performed by a transmitter includes generating a physical layer (PHY) frame including a PHY preamble, a frame header, and a payload field, and transmitting the generated PHY frame to a receiver, in which the frame header may include a media access control (MAC) header, a header check sequence (HCS), and a Reed-Solomon (RS) parity bit.
Abstract translation: 一种用于近距离通信的方法和装置。 由发射机执行的近距离通信方法包括生成包括PHY前导码，帧头部和有效载荷字段的物理层（PHY）帧，并将所生成的PHY帧发送到接收机，其中帧头可以包括 媒体接入控制（MAC）报头，报头检查序列（HCS）和里德 - 所罗门（RS）奇偶校验位。
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