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公开(公告)号：US10931336B2
公开(公告)日：2021-02-23
申请号：US16440641
申请日：2019-06-13
Inventor： Yu Ro Lee , Jae Woo Park , Jae Seung Lee , Jee Yon Choi , Il Gyu Kim , Seung Chan Bang
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：US10897759B2
公开(公告)日：2021-01-19
申请号：US16418764
申请日：2019-05-21
Inventor： Min ho Cheong , Hyoung Jin Kwon , Jae Seung Lee , Jae Woo Park , Sok Kyu Lee
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.
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公开(公告)号：US10367549B2
公开(公告)日：2019-07-30
申请号：US14868908
申请日：2015-09-29
Inventor： Yu Ro Lee , Jae Woo Park , Jae Seung Lee , Jee Yon Choi , Il Gyu Kim , Seung Chan Bang
IPC: H04L12/24 , H04L5/14 , H04L29/06 , H04L1/00 , H04B7/0452 , H04W72/04 , H04B7/06 , H04L5/00 , 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：US10356700B2
公开(公告)日：2019-07-16
申请号：US15071128
申请日：2016-03-15
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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55.发明授权公开(公告)号：US10237753B2
公开(公告)日：2019-03-19
申请号：US14817259
申请日：2015-08-04
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
公开(公告)号：US10219298B2
公开(公告)日：2019-02-26
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
Abstract: A channel access method of an access point (AP) having a sector antenna in a wireless local access network (WLAN) includes 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：US10090894B2
公开(公告)日：2018-10-02
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: H04J11/00 , H04B7/0452 , H04L1/00 , H04L1/08 , H04B7/0413 , H04L27/20 , H04L27/18 , H04L29/06 , H04W84/12 , H04L29/08
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：US09949256B2
公开(公告)日：2018-04-17
申请号：US14555425
申请日：2014-11-26
Inventor： Jeeyon Choi , Jae Woo Park , Sok-Kyu Lee
CPC classification number: H04W72/044 , H04B7/2656 , H04L1/0083 , H04L29/06068 , H04L69/08 , H04L69/22 , H04L69/324
Abstract: The present invention relates to a technique relating to a method and apparatus for generating, transmitting, and receiving a data frame having a newly proposed format in a wireless communication system. According to the technique, the method for generating a data frame in a wireless communication system comprises the following steps: generating at least one first subframe; generating at least one second subframe; and generating a data frame including the first and second subframes, wherein the first and second subframes include length information of a MAC protocol data unit (MPDU) contained in the first and second subframes, and the length information of the MPDU contained in the second subframe is zero.
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公开(公告)号：US09584433B2
公开(公告)日：2017-02-28
申请号：US14521280
申请日：2014-10-22
Inventor： Jae Woo Park , Jee Yon Choi , Sok Kyu Lee
CPC classification number: H04L47/628 , H04W28/0263 , H04W72/00 , H04W72/12 , H04W74/00 , H04W84/12
Abstract: Provided is a data transmission apparatus including a queue management unit to manage at least one queue in which information associated with at least one buffer descriptor (BD) is stored, a scheduler to estimate information to be transmitted among information associated with at least one media access control (MAC) protocol data unit (MPDU) using at least one transmission bitmap (Tx bitmap), a data transmitter to read the estimated information from information associated with a BD indicated in the at least one Tx bitmap, and transmit the read information to a physical layer, and a physical layer management unit to generate information associated with a presentation protocol data unit (PPDU) based on the transmitted information, and transmit the generated information over the air, wherein the at least one BD includes information associated with the at least one MPDU.
Abstract translation: 提供了一种包括队列管理单元的数据传输装置，用于管理至少一个队列，其中存储与至少一个缓冲器描述符（BD）相关联的信息，调度器，用于估计与至少一个媒体访问相关联的信息之间要发送的信息 控制（MAC）协议数据单元（MPDU），使用至少一个传输位图（Tx位图），数据发送器从与至少一个Tx位图中指示的BD相关联的信息读取估计信息，并将读取的信息发送到 物理层和物理层管理单元，用于基于所发送的信息生成与呈现协议数据单元（PPDU）相关联的信息，并且通过空中传送所生成的信息，其中，所述至少一个BD包括与所述信息相关联的信息 至少一个MPDU。
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公开(公告)号：US09172447B2
公开(公告)日：2015-10-27
申请号：US14687711
申请日：2015-04-15
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
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.
Abstract translation: 本发明涉及用于收发数据的方法和装置。 根据本发明的一个实施例的发送终端向MIMO系统中的接收终端发送数据的方法包括以下步骤：产生包含数据的数据字段; 生成包含关于数据字段的信息的信号字段; 生成包含数据字段和信号字段的数据帧; 并将数据帧发送到接收终端。 根据本发明，在使用MIMO发送帧的通信系统中，正在发送的帧的结束被准确地通知给接收终端，从而在接收终端以更有效的方式对帧进行解码。
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