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公开(公告)号：US08842595B2
公开(公告)日：2014-09-23
申请号：US13711058
申请日：2012-12-11
Applicant: LG Electronics Inc.
Inventor： Yongho Seok
CPC classification number: H04W4/06 , H04H20/61 , H04H2201/70 , H04L12/1886
Abstract: A method of processing a multicast frame in a wireless local area network system. The method includes transmitting a request message for requesting a Directed Multicast Service (DMS) in which at least one multicast frame is transmitted as at least one unicast frame by an Access Point (AP), receiving a response message from the AP in response to the request message, and receiving the at least one multicast frame from the AP, the at least one multicast frame being transmitted as the at least one unicast frame. The request message includes a DMS descriptor list field comprising a Transmission Class (TCLAS) element field and a Transmission Specification (TSPEC) element field. The TCLAS element field includes a requested multicast group address for the DMS. The TSPEC element field defines Quality of Service (QoS) expectations information for the DMS.
Abstract translation: 一种在无线局域网系统中处理多播帧的方法。 该方法包括：发送请求消息，用于请求定向组播服务（DMS），其中至少一个多播帧由接入点（AP）作为至少一个单播帧发送，响应于该接收点接收来自AP的响应消息 请求消息，以及从所述AP接收所述至少一个多播帧，所述至少一个多播帧作为所述至少一个单播帧发送。 请求消息包括包括传输类（TCLAS）元素字段和传输规范（TSPEC）元素字段的DMS描述符列表字段。 TCLAS元素字段包括DMS的所请求的多播组地址。 TSPEC元素字段定义了DMS的服务质量（QoS）期望信息。
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142.发明授权Method for retransmitting multicast frames and method for processing received multicast frames in wireless network 有权无线网络中重传多播帧的方法和处理接收到的多播帧的方法公开(公告)号：US08787238B2
公开(公告)日：2014-07-22
申请号：US13707225
申请日：2012-12-06
Applicant: LG Electronics Inc.
Inventor： Yongho Seok
IPC: H04H20/71
CPC classification number: H04L12/189 , H04L1/1829 , H04L1/1887 , H04L2001/0093
Abstract: A method for retransmitting a multicast frame in a wireless network and for determining whether a received multicast frame is a duplicated frame. In determining whether the received multicast frame is the same duplicated frame as a previously received multicast frame, a receiver address value and a sequence number of the multicast frame may be used. When fragmentation of a multicast frame is allowed, the value of a fragment number of the multicast frame may be also used, and if it includes a traffic ID, the value of the traffic ID can be also used for determining whether or not the multicast frame is a duplicated frame. If a multicast frame is transmitted in a wireless mesh network, it is determined whether or not the multicast frame is a duplicated one by using a mesh source address, a mesh destination address, and a sequence number.
Abstract translation: 一种用于在无线网络中重传多播帧并确定接收到的多播帧是否是复制帧的方法。 在确定接收的多播帧是否与先前接收到的多播帧相同的复制帧时，可以使用多播帧的接收机地址值和序列号。 当允许多播帧的分片时，也可以使用多播帧的片段号的值，如果包含流量ID，则流量ID的值也可以用于确定多播帧 是一个重复的框架。 如果在无线网状网络中发送多播帧，则通过使用网格源地址，网格目的地址和序列号来确定多播帧是否为复制帧。
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公开(公告)号：US10887915B2
公开(公告)日：2021-01-05
申请号：US16425583
申请日：2019-05-29
Applicant: LG ELECTRONICS INC.
Inventor： Yongho Seok
IPC: H04W74/08 , H04B7/0452 , H04W84/12
Abstract: A method for transmitting the downlink in a WLAN that includes the steps of: an access point (AP) transmitting, to a plurality of stations (STA), each of a plurality of request to send (RTS) frames through each of a plurality of channels; and the AP receiving a clear to send (CTS) frame from at least one of the plurality of STAs through at least one channel from the plurality of channels, wherein each of the plurality of RTS frames may include channel information for indicating a channel to be used from among the plurality of channels when transmitting the downlink to each of the STAs, and identifier information for indicating the plurality of STAs.
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公开(公告)号：US10218553B2
公开(公告)日：2019-02-26
申请号：US15965601
申请日：2018-04-27
Applicant: LG ELECTRONICS INC.
Inventor： Yongho Seok
Abstract: Disclosed are a method and a device for transmitting data unit in a WLAN. A method for transmitting data unit in a WLAN comprises: a step of an STA generating a PPDU; and a step of the STA transmitting the PPDU to an access point (AP), wherein the PPDU comprises a first field and a second field, wherein the first field is transmitted on the basis of a first IFFT and the second field is transmitted on the basis of a second IFFT.
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145.发明授权公开(公告)号：US10098150B2
公开(公告)日：2018-10-09
申请号：US15027219
申请日：2014-07-04
Applicant: LG ELECTRONICS INC.
Inventor： Yongho Seok
Abstract: The present invention relates to a wireless communication system. More specifically, disclosed are an operation method and apparatus using a sectorized transmission opportunity in a wireless LAN system. The method by which a station (STA) performs a transmission opportunity-based (TXOP-based) sectorization operation in a wireless LAN system, according to one embodiment of the present invention, comprises the steps of: determining whether an ongoing frame exchange is transmitted within a basic service set (BSS) of the STA or within an overlapping BSS (OBSS); determining whether spatially orthogonal (SO) conditions are met; and resetting a virtual carrier sensing (VCS) value of the STA, if the ongoing frame exchange is transmitted within the OBSS and the SO conditions are met.
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Patent Agency Ranking
公开(公告)号：US10004031B2
公开(公告)日：2018-06-19
申请号：US14787927
申请日：2014-05-02
Applicant: LG Electronics Inc.
Inventor： Yongho Seok
CPC classification number: H04W48/16 , H04W72/0453 , H04W72/0473 , H04W74/0808 , H04W74/0816 , H04W84/12
Abstract: The present invention relates to a wireless communications system, and more particularly to a method for sensing a channel dynamically in a wireless LAN system and an apparatus therefor. A method for performing CCA (Clear Channel Assessment) by a station (STA) in a wireless LAN system according to an embodiment of the present invention includes the steps of: receiving by a physical layer (PHY) of the STA a request primitive including a parameter indicating a CCA level type from an upper layer, and determining whether a signal equal to or greater than a prescribed CCA threshold is sensed based on the value of the parameter. Here, the parameter may be set so as to indicate one of a plurality of different CCA level types.
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公开(公告)号：US09913296B2
公开(公告)日：2018-03-06
申请号：US14760452
申请日：2013-10-30
Applicant: LG ELECTRONICS INC.
Inventor： Yongho Seok
CPC classification number: H04W74/085 , H04W84/12
Abstract: The present invention relates to a wireless communication system, and more particularly to a method for enabling a station (STA) to perform a backoff in a wireless LAN system and an apparatus therefor. In a wireless LAN system according to an embodiment of the present invention, a method for enabling a station (STA) to perform a backoff includes the steps of: performing a first backoff procedure at a first primary channel for a transmission of a data unit having a size of a first channel width; performing a second backoff procedure at a second primary channel for a transmission of a data unit having a size equal to or greater than a second channel width; if a transmission opportunity (TXOP) is permitted as a result of the first backoff procedure, transmitting the data unit having a size of the first channel width; and if a TXOP is permitted as a result of the second backoff procedure, transmitting the data unit having a size equal to or greater than the second channel width.
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公开(公告)号：US09913292B2
公开(公告)日：2018-03-06
申请号：US14651192
申请日：2013-12-11
Applicant: LG ELECTRONICS INC.
Inventor： Jeongki Kim , Yongho Seok , Hangyu Cho , Jinsoo Choi
Abstract: The present invention relates to a wireless communication system. More particularly, a method and a device for restricted access window-based channel access in a WLAN system are disclosed. The method whereby a station (STA) performs channel access in a wireless communication system according to one embodiment of the present invention may comprise the steps of: receiving restricted access window (RAW) cross-border transmission allowance (CBTA) information from an access point (AP) in case an RAW is allocated to the STA; and performing transmission by the STA on the basis of the RAW CBTA information. In case the RAW CBTA information is configured as a first value, transmission by the STA beyond the border of the RAW may be allowed.
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公开(公告)号：US09906336B2
公开(公告)日：2018-02-27
申请号：US15072860
申请日：2016-03-17
Applicant: LG Electronics Inc. , SNU R&DB Foundation
Inventor： Eunsun Kim , Yongho Seok , Whasook Jeon , Dongheon Lee
CPC classification number: H04L5/0007 , H04L5/0039 , H04L27/0006 , H04W16/14 , H04W84/12
Abstract: A method and apparatus for transmitting channel information used by a station form among TV white space channels, and a method and apparatus for performing channel switching are disclosed. A method for transmitting information of a channel used by a station from among TV white space channels includes determining one or more channels used by the station from among channels contained in a plurality of OFDM blocks, wherein each OFDM block includes one or more contiguous channels from among the TV white space channels, generating a message including first information indicating the lowest channel number from among channels contained in a first OFDM block from among the plurality of OFDM blocks, second information indicating the lowest channel number from among channels contained in a second OFDM block, third information indicating the one or more channels used by the station as bitmap information, and fourth information indicating a total amount of bandwidth used by the station, and transmitting the generated message.
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公开(公告)号：US09801208B2
公开(公告)日：2017-10-24
申请号：US15230007
申请日：2016-08-05
Applicant: LG ELECTRONICS INC.
Inventor： Yongho Seok
CPC classification number: H04W74/04 , H04W4/08 , H04W40/244 , H04W52/0216 , H04W72/005 , H04W72/0446 , H04W72/0453 , H04W74/006 , H04W84/12 , Y02D70/00 , Y02D70/1222 , Y02D70/1224 , Y02D70/1262 , Y02D70/1264 , Y02D70/142 , Y02D70/144 , Y02D70/146 , Y02D70/168 , Y02D70/21 , Y02D70/22
Abstract: The present invention relates to a wireless communication system, and more specifically, disclosed are a method and an apparatus for accessing a channel in a WLAN system. The method for accessing a channel from a station (STA) in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: receiving from an access point (AP) a first frame including a traffic indication map (TIM) and a restricted access window (RAW) parameter set component; determining a RAW in which channel access of the STA is permitted, on the basis of the RAW parameter set (RPS) component; and transmitting a second frame to the AP from within the RAW that is determined, wherein the RPS component includes at least one RAW indication field, each of the at least one RAW allocation fields further includes information related to transmitting a third frame, which includes information on slot allocation, and wherein the third frame can be received by the STA from the AP at a specific time/location in accordance with the information related to transmitting the third frame.
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