公开(公告)号：US09313068B2

公开(公告)日：2016-04-12

申请号：US14357452

申请日：2012-11-19

Applicant: LG ELECTRONICS INC.

Inventor： Jong Hyun Park ,  Hyang Sun You ,  Bong Hoe Kim ,  Yong Ho Seok

IPC: H04W4/00 ,  H04L27/26 ,  H04W84/12

CPC classification number: H04W84/12 ,  H04L5/0007 ,  H04L27/2602 ,  H04L27/2605 ,  H04L27/261 ,  H04L27/2626

Abstract: Provided is a method for transmitting a data unit in a wireless local area network system, according to one embodiment. The method comprises transmitting a signal field, transmitting a first data symbol for a first data field, and transmitting a second data symbol for a second data field. The signal field, the first data symbol, and the second data symbol are transmitted through a 1 MHz channel bandwidth having a band of 1 GHz or less. Two pilot tones are inserted to each of the first data symbol and the second data symbol.

Abstract translation: 提供了根据一个实施例的在无线局域网系统中发送数据单元的方法。 该方法包括发送信号字段，发送用于第一数据字段的第一数据符号，以及发送用于第二数据字段的第二数据符号。 信号字段，第一数据符号和第二数据符号通过具有1GHz或更小的频带的1MHz信道带宽发送。 将两个导频音插入第一数据符号和第二数据符号中的每一个。

公开(公告)号：US09258824B2

公开(公告)日：2016-02-09

申请号：US14629985

申请日：2015-02-24

Applicant: LG ELECTRONICS INC.

Inventor： Yong Ho Seok ,  Yu Jin Noh ,  Bong Hoe Kim ,  Dae Won Lee

IPC: H04W72/04 ,  H04W72/08 ,  H04W28/04 ,  H04W48/16 ,  H04W84/12 ,  H04W88/08

CPC classification number: H04W72/082 ,  H04W28/04 ,  H04W48/16 ,  H04W72/046 ,  H04W84/12 ,  H04W88/08

Abstract: An interference avoidance method performed by an Access Point (AP) in a WLAN system in an Overlapping Basic Service Set (OBSS) environment is provided. The interference avoidance method includes receiving an interference avoidance request message from the first STA, the interference avoidance request message informing that frame transmission of the AP acts as interference with a first STA; transmitting an interference avoidance response message in response to the interference avoidance request message; obtaining first channel information about a first channel between the first STA and the AP from the first STA which has received the interference avoidance response message; determining a transmitting steering matrix based on the first channel information; and transmitting data to a second STA by performing beamforming according to the transmitting steering matrix.

公开(公告)号：US09247469B2

公开(公告)日：2016-01-26

申请号：US14141214

申请日：2013-12-26

Applicant: LG ELECTRONICS INC.

Inventor： Yong Ho Seok ,  Eun Sun Kim

IPC: H04W36/06 ,  H04L5/00 ,  H04W84/12 ,  H04W48/16 ,  H04W74/00 ,  H04W74/08

CPC classification number: H04W74/0808 ,  H04L5/001 ,  H04L5/0053 ,  H04W36/06 ,  H04W48/16 ,  H04W74/006 ,  H04W74/0816 ,  H04W84/12

Abstract: A method and apparatus of accessing a channel including receiving, by a device, an operation element for setting up or switching at least one channel from an access point (AP), the operation element including a channel type field indicating whether the at least one channel is either a single channel or multiple channels, and including two channel center frequency segment fields indicating a channel center frequency of a primary and a secondary channel if the channel type field indicates that the channel is multiple channels, determining whether the primary channel is idle during a first interval, determining whether the secondary channel is idle during a second interval if the primary channel is idle, and transmitting data by using the primary and secondary channels to the AP or at least one station in a basic service set (BSS) if the primary and secondary channel are idle.

Abstract translation: 一种访问信道的方法和装置，包括由设备接收用于从接入点（AP）建立或切换至少一个信道的操作元件，所述操作元件包括信道类型字段，所述信道类型字段指示所述至少一个信道 如果信道类型字段指示信道是多个信道，则确定主信道是否空闲，或者是单信道或多信道，并且包括指示主信道和辅信道的信道中心频率的两个信道中心频段字段 第一间隔，如果所述主信道空闲，则确定所述辅助信道在第二间隔期间是否空闲;以及如果所述主信道和所述第二信道使用所述主信道和辅信道到所述AP或基本服务集（BSS）中的至少一个站，则发送数据， 主要和次要信道是空闲的。

公开(公告)号：US09078209B2

公开(公告)日：2015-07-07

申请号：US13871875

申请日：2013-04-26

Applicant: LG ELECTRONICS INC.

Inventor： Yong Ho Seok

IPC: G08C17/00 ,  H04W52/02

CPC classification number: H04W52/0235 ,  H04W52/02 ,  H04W84/12 ,  H04W88/08 ,  Y02D70/142 ,  Y02D70/22

Abstract: A power management method of a station in a wireless local area network (WLAN) system and the station supporting the method are provided. The method includes: transmitting to an access point (AP) a power save configuration (PSC) request frame for reporting that the STA intends to transition to a power save (PS) mode; receiving from the AP a PSC response frame in response to the PSC request frame; and after receiving the PSC response frame, entering the PS mode.

Abstract translation: 提供了一种在无线局域网（WLAN）系统中的站的功率管理方法和支持该方法的站。 该方法包括：向接入点（AP）发送功率节省配置（PSC）请求帧，用于报告STA旨在转换到省电（PS）模式; 从所述AP接收响应于所述PSC请求帧的PSC响应帧; 并且在接收到PSC响应帧之后，进入PS模式。

公开(公告)号：US09049686B2

公开(公告)日：2015-06-02

申请号：US14074276

申请日：2013-11-07

Applicant: LG ELECTRONICS INC.

Inventor： Eun Sun Kim ,  Yong Ho Seok

IPC: H04B5/00 ,  H04W74/00 ,  H04W16/14 ,  H04W48/16

CPC classification number: H04W74/002 ,  H04W8/005 ,  H04W16/14 ,  H04W48/16

Abstract: Methods and apparatuses for acquiring/providing available channel information using Generic Advertisement Service (GAS) protocol in a wireless local area network (WLAN) are disclosed. AP (Access Point) station has a capability to acquire information for available channels from a database using a specific protocol related to an operation within the White Space (e.g. Access Network Query Protocol (ANQP)). And, non-AP station can retrieve the information for available channels by transmitting a Generic Advertisement Service (GAS) initial request frame to the AP station, wherein the GAS initial request frame comprises an Advertisement Protocol Element whose element ID indicates the specific protocol, and receiving a GAS initial response frame comprising a White Space Map (WSM) the specific protocol. The WSM comprises one or more white space channel units, and each of the white space channel units comprises a channel number field indicating one of the available channels and a power constraint field indicating a maximum allowable power on the indicated channel.

Abstract translation: 公开了在无线局域网（WLAN）中使用通用广告服务（GAS）协议获取/提供可用信道信息的方法和装置。 AP（接入点）站具有使用与白空间内的操作相关的特定协议（例如，接入网络查询协议（ANQP））从数据库获取可用信道的信息的能力。 并且，非AP站可以通过向AP站发送通用广告业务（GAS）初始请求帧来检索可用信道的信息，其中GAS初始请求帧包括其元素ID指示特定协议的通告协议元素，以及 接收包括特定协议的白空间映射（WSM）的GAS初始响应帧。 WSM包括一个或多个空白信道单元，并且每个空白信道单元包括指示可用信道之一的信道号字段和指示所指示信道上的最大允许功率的功率约束字段。

公开(公告)号：US09031051B2

公开(公告)日：2015-05-12

申请号：US14089565

申请日：2013-11-25

Applicant: LG Electronics Inc.

Inventor： Yu Jin Noh ,  Dae Won Lee ,  Byeong Woo Kang ,  Bong Hoe Kim ,  Yong Ho Seok

IPC: H04W4/00 ,  H04W72/04 ,  H04J3/00 ,  H04L12/413 ,  H04W84/12 ,  H04L5/00 ,  H04W28/06

CPC classification number: H04W72/0406 ,  H04B7/0413 ,  H04L5/001 ,  H04L5/0033 ,  H04L5/0044 ,  H04L5/0094 ,  H04L61/6022 ,  H04L69/22 ,  H04L69/323 ,  H04L69/324 ,  H04W28/065 ,  H04W72/04 ,  H04W72/042 ,  H04W72/085 ,  H04W84/12 ,  H04W88/08

Abstract: According to one embodiment, a method for a wireless local area includes: generating a medium access control (MAC) protocol data unit (MPDU) to be transmitted to a target station; generating a physical layer convergence procedure (PLCP) protocol data unit (PPDU) by attaching a PLCP preamble to the MPDU; selecting a transmission channel; and transmitting the PPDU to the target station over the transmission channel. Selecting the transmission channel includes: performing clear channel assessment (CCA) on a first channel to determine whether the first channel is idle; and only after it is determined that the first channel is idle, selecting the first channel and at least one idle second channel as the transmission channel. The PLCP preamble includes channel allocation information indicating a bandwidth of the transmission channel.

Abstract translation: 根据一个实施例，一种用于无线局域的方法包括：产生要发送到目标站的介质访问控制（MAC）协议数据单元（MPDU）; 通过将PLCP前导码附加到MPDU来生成物理层融合过程（PLCP）协议数据单元（PPDU）; 选择传输信道; 并通过传输信道将PPDU发送到目标站。 选择传输信道包括：在第一信道上执行清除信道评估（CCA）以确定第一信道是否空闲; 并且仅在确定第一信道空闲之后，选择第一信道和至少一个空闲第二信道作为传输信道。 PLCP前导码包括指示传输信道的带宽的信道分配信息。

公开(公告)号：US08964618B2

公开(公告)日：2015-02-24

申请号：US13879729

申请日：2012-10-31

Applicant: LG Electronics, Inc.

Inventor： Yong Ho Seok

IPC: G08C17/00 ,  H04W52/02 ,  H04W74/06

CPC classification number: H04W52/0216 ,  H04L47/58 ,  H04W40/244 ,  H04W52/0206 ,  H04W74/06 ,  H04W84/12 ,  Y02D70/00 ,  Y02D70/142 ,  Y02D70/168 ,  Y02D70/22

Abstract: A method for transmitting and receiving frames performed by a station (STA) in power save mode in a wireless local area network is provided. The method includes: transmitting a Power Save (PS) poll frame to an access point (AP) in a first 20 MHz channel; transmitting at least one duplicated PS poll frame to the AP in at least one second 20 MHz channel, the at least one duplicated PS poll frame being generated by duplicating the PS poll frame; and receiving a bufferable frame from the AP as a response of at least one of the PS poll frame and the at least one duplicated PS poll frame.

Abstract translation: 提供了一种用于在无线局域网中以节电模式由站（STA）执行的帧的发送和接收的方法。 该方法包括：将功率节省（PS）轮询帧发送到第一20MHz信道中的接入点（AP）; 在至少一个第二20MHz信道中向所述AP发送至少一个复制的PS轮询帧，所述至少一个复制的PS轮询帧是通过复制所述PS轮询帧生成的; 以及从所述AP接收可缓冲帧作为所述PS轮询帧和所述至少一个复制的PS轮询帧中的至少一个的响应。

公开(公告)号：US20150003327A1

公开(公告)日：2015-01-01

申请号：US14355178

申请日：2012-11-19

Applicant: LG ELECTRONICS INC.

Inventor： Yong Ho Seok ,  Ji Hyun Lee

IPC: H04W4/06 ,  H04W74/04 ,  H04W68/00

CPC classification number: H04W4/06 ,  H04W68/00 ,  H04W74/002 ,  H04W74/04 ,  H04W74/08 ,  H04W84/12

Abstract: The present invention relates to a method of informing of a service that is performed by a first station (STA) in a wireless LAN system. The method includes receiving a second service informing frame from a second STA, wherein the second service informing frame includes second service information that is the information on a service served by the second STA; and transmitting a first service informing frame. The first service informing frame includes first service information that is the information on a service served by the first STA, and the second service information.

Abstract translation: 本发明涉及一种在无线LAN系统中通知由第一站（STA）执行的业务的方法。 该方法包括从第二STA接收第二服务通知帧，其中第二服务通知帧包括作为由第二STA服务的服务的信息的第二服务信息; 以及发送第一服务通知帧。 第一服务通知帧包括作为由第一STA服务的服务的信息的第一服务信息和第二服务信息。

公开(公告)号：US20140348148A1

公开(公告)日：2014-11-27

申请号：US14241396

申请日：2012-12-10

Applicant: LG ELECTRONICS INC.

Inventor： Hyang Sun You ,  Yong Ho Seok ,  Jong Hyun Park

IPC: H04B7/26

CPC classification number: H04W4/06 ,  H04B7/2612 ,  H04W56/00 ,  H04W56/001 ,  H04W88/02 ,  H04W88/08

Abstract: Provided is a method for receiving a frame that is carried out by a station (STA) in a wireless local area network (WLAN) system. The method comprises receiving the frame from an access point (AP). The frame comprises a medium access control (MAC) header. The MAC header comprises a transmitter address (TA) field and a receiver address (RA) field. The RA field comprises identification information that is set on the basis of an association identifier (AID), which is allocated when the STA is associated with the AP.

Abstract translation: 提供了一种用于在无线局域网（WLAN）系统中接收由站（STA）执行的帧的方法。 该方法包括从接入点（AP）接收帧。 该帧包括介质访问控制（MAC）报头。 MAC报头包括发送器地址（TA）字段和接收器地址（RA）字段。 RA域包括基于当STA与AP相关联时分配的关联标识符（AID）而设置的标识信息。

公开(公告)号：US20140348097A1

公开(公告)日：2014-11-27

申请号：US14360506

申请日：2012-11-22

Applicant: LG Electronics Inc.

Inventor： Jong Hyun Park ,  Hyang Sun You ,  Yong Ho Seok

IPC: H04B7/06 ,  H04L27/26

CPC classification number: H04B7/0626 ,  H04L1/0009 ,  H04L1/08 ,  H04L5/0007 ,  H04L5/0048 ,  H04L5/0053 ,  H04L25/0226 ,  H04L27/2613 ,  H04L27/2646 ,  H04W84/12

Abstract: The present invention relates to a method of performing channel sounding in a wireless LAN system. The method includes transmitting a Null Data Packet Announcement (NDPA) frame for providing notice of an NDP to be transmitted, and transmitting the NDP and receiving a feedback frame from a station (STA). The feedback frame includes channel state information created on the basis of the NDP. The NDP includes a signal field and at least one long training field (LTF) for a multiple input multiple output channel. The signal field includes a repetitive instruction subfield. The repetitive instruction subfield provides instruction on whether orthogonal frequency division multiplexing (OFDM) symbol repetition is applied to the at least one LTF.

Abstract translation: 本发明涉及一种在无线LAN系统中执行信道探测的方法。 该方法包括发送用于提供要发送的NDP的通知的空数据分组通知（NDPA）帧，以及发送NDP并从站（STA）接收反馈帧。 反馈帧包括基于NDP创建的信道状态信息。 NDP包括用于多输入多输出通道的信号场和至少一个长训练场（LTF）。 信号字段包括重复指令子字段。 重复指令子域提供关于是否将正交频分复用（OFDM）符号重复应用于至少一个LTF的指令。