公开(公告)号：US20150271748A1

公开(公告)日：2015-09-24

申请号：US14729985

申请日：2015-06-03

Applicant: LG ELECTRONICS INC.

Inventor： Yong Ho SEOK

IPC: H04W48/20 ,  H04W28/08 ,  H04W74/08

CPC classification number: H04W48/20 ,  H04W28/08 ,  H04W36/22 ,  H04W74/08 ,  H04W84/12

Abstract: A method for selecting a channel in a wireless local area network, and a device therefore. The method according to one embodiment includes receiving an extended quiet interval element from an access point. The extended quiet interval element indicates that at least one of a primary channel and a secondary channel is to be quieted during a quiet interval for a radar detection. The method according to the embodiment includes quieting the indicated channel during the quiet interval.

Abstract translation: 一种用于在无线局域网中选择信道的方法，以及一种装置。 根据一个实施例的方法包括从接入点接收扩展的静默间隔元素。 扩展的静默间隔元素指示在用于雷达检测的安静间隔期间，主通道和次通道中的至少一个将被安静。 根据实施例的方法包括在安静间隔期间对指示的频道进行静音。

公开(公告)号：US20150237631A1

公开(公告)日：2015-08-20

申请号：US14698605

申请日：2015-04-28

Applicant: LG Electronics Inc.

Inventor： Yu Jin NOH ,  Yong Ho SEOK ,  Bong Hoe KIM ,  Dae Won LEE

IPC: H04W72/04

CPC classification number: H04W72/0453 ,  H04W40/02 ,  H04W72/02 ,  H04W72/04 ,  H04W72/0406 ,  H04W76/10 ,  H04W84/12 ,  H04W88/08

Abstract: A method and device for communicating in a wireless local area network are discussed. The method can include selecting, by a transmitting station, a transmission channel by performing a Clear Channel Assessment (CCA) and transmitting, by the transmitting station, a Physical layer Protocol Data Unit (PPDU) over the selected transmission channel to a receiving station, wherein the transmission channel includes a primary 20 MHz channel and a secondary 20 MHz channel if the secondary 20 MHz channel was idle, and wherein the transmission channel includes the primary 20 MHz channel, the secondary 20 MHz channel and a secondary 40 MHz channel if both the secondary 20 MHz channel and the secondary 40 MHz channel were idle.

Abstract translation: 讨论了在无线局域网中进行通信的方法和装置。 该方法可以包括由发射台通过执行清除信道评估（CCA）来选择传输信道，并且由发射站将所选择的传输信道上的物理层协议数据单元（PPDU）发送到接收站， 其中如果辅助20MHz信道空闲，则传输信道包括主20MHz信道和辅助20MHz信道，并且其中传输信道包括主20MHz信道，辅助20MHz信道和辅助40MHz信道，如果两者均为20MHz信道 辅助20MHz信道和辅助40MHz信道空闲。

公开(公告)号：US20150188686A1

公开(公告)日：2015-07-02

申请号：US14643922

申请日：2015-03-10

Applicant: LG ELECTRONICS INC.

Inventor： Yong Ho SEOK

IPC: H04L5/00 ,  H04J11/00 ,  H04B7/04 ,  H04W72/04 ,  H04L25/02

CPC classification number: H04L5/005 ,  H04B7/0413 ,  H04B7/0452 ,  H04B7/063 ,  H04J11/003 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0025 ,  H04L1/0026 ,  H04L5/0023 ,  H04L5/0053 ,  H04L25/0204 ,  H04L25/0226 ,  H04L2001/0093 ,  H04W8/24 ,  H04W24/08 ,  H04W72/0406 ,  H04W72/0413 ,  H04W84/105 ,  H04W84/12 ,  H04W88/08

Abstract: A method of communicating in a wireless local area network is described. An access point transmits a first physical layer protocol data unit (PPDU) via multi-user multiple input multiple output (MU MIMO) transmission to a plurality of stations. The first PPDU includes a first feedback sequence identifier information that includes a first value identifying the plurality of stations. The access point receives a second PPDU from one of the plurality of stations. The second PPDU includes channel information of a MIMO channel and a second feedback sequence identifier information. The second feedback sequence identifier information includes a second value obtained from the first value indicated by the first feedback sequence identifier information.

Abstract translation: 描述了在无线局域网中进行通信的方法。 接入点通过多用户多输入多输出（MU MIMO）传输向多个站发送第一物理层协议数据单元（PPDU）。 第一PPDU包括第一反馈序列标识符信息，其包括标识多个站的第一值。 接入点从多个站之一接收第二PPDU。 第二PPDU包括MIMO信道的信道信息和第二反馈序列标识符信息。 第二反馈序列标识符信息包括从由第一反馈序列标识符信息指示的第一值获得的第二值。

公开(公告)号：US20150146709A1

公开(公告)日：2015-05-28

申请号：US14570702

申请日：2014-12-15

Applicant: LG ELECTRONICS INC.

Inventor： Eun Sun KIM ,  Yong Ho SEOK

IPC: H04W8/00

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：US20150139214A1

公开(公告)日：2015-05-21

申请号：US14559688

申请日：2014-12-03

Applicant: LG Electronics Inc.

Inventor： Yu Jin NOH ,  Byeong Woo KANG ,  Dae Won LEE ,  Yong Ho SEOK

IPC: H04W28/20 ,  H04W88/02 ,  H04W84/12 ,  H04W72/04 ,  H04B7/04

CPC classification number: H04W72/0446 ,  H04B7/0452 ,  H04W28/20 ,  H04W72/04 ,  H04W72/0406 ,  H04W74/0808 ,  H04W84/12 ,  H04W88/02 ,  H04W88/08

Abstract: A method and a station are described for transmitting a data frame in a wireless local area network (WLAN). The station obtains a transmission opportunity (TXOP) and transmits, during the TXOP, a preceding data unit of a plurality of data units comprising a control field indicating a selected bandwidth for the preceding data unit. The station selects a transmit bandwidth parameter of a non-initial data unit of the plurality of data units from available bandwidth parameters. The available bandwidth parameters include a first available bandwidth parameter which is same as a transmit bandwidth parameter of the preceding data unit of the plurality of data units and a second available bandwidth parameter which is narrower than a transmit bandwidth parameter of the preceding data unit. The station transmits, during the TXOP, the non-initial data unit, which comprises a control field indicating a selected bandwidth for the non-initial data unit.

Abstract translation: 描述了用于在无线局域网（WLAN）中发送数据帧的方法和站。 站点获得传输机会（TXOP），并且在TXOP期间发送包括指示前一数据单元的选定带宽的控制字段的多个数据单元的前一个数据单元。 站从可用带宽参数中选择多个数据单元的非初始数据单元的发送带宽参数。 可用带宽参数包括与多个数据单元中的先前数据单元的发送带宽参数相同的第一可用带宽参数和比先前数据单元的发送带宽参数更窄的第二可用带宽参数。 该站在TXOP期间发送非初始数据单元，该非初始数据单元包括指示非初始数据单元的选定带宽的控制字段。

公开(公告)号：US20150103654A1

公开(公告)日：2015-04-16

申请号：US14577670

申请日：2014-12-19

Applicant: LG ELECTRONICS INC.

Inventor： Dae Won LEE ,  Yong Ho SEOK

IPC: H04W48/20 ,  H04B7/04 ,  H04W28/02

CPC classification number: H04W48/20 ,  H04B7/0452 ,  H04W28/0205 ,  H04W84/12

Abstract: A method for transmitting load information in a wireless local area network. The method according to one embodiment includes generating, by an access point (AP), basic service set (BSS) load information, the BSS load information including a multiple input multiple output (MIMO) channel underutilization field; and transmitting, by the AP, the BSS load information. The MIMO channel underutilization field indicates a spatial stream underutilization that is defined as a percentage of time that the AP has one or more underutilized spatial domain resources for a given busy time of a wireless medium. The spatial stream underutilization is calculated based on a maximum number of spatial streams supported by the AP and a number of one or more utilized spatial streams transmitted by the AP.

Abstract translation: 一种用于在无线局域网中传送负载信息的方法。 根据一个实施例的方法包括：通过接入点（AP）生成基本业务集（BSS）负载信息，所述BSS负载信息包括多输入多输出（MIMO）信道不足利用场; 并由AP发送BSS负载信息。 MIMO信道未充分利用场指示空间流未充分利用，其定义为AP对于无线介质的给定忙时间具有一个或多个未充分利用的空间域资源的时间百分比。 基于由AP支持的空间流的最大数目和由AP发送的一个或多个所利用的空间流的数量来计算空间流未充分利用。

公开(公告)号：US20150098434A1

公开(公告)日：2015-04-09

申请号：US14570958

申请日：2014-12-15

Applicant: LG ELECTRONICS INC.

Inventor： Dae Won LEE ,  Ill Soo SOHN ,  Yong Ho SEOK

IPC: H04L5/00 ,  H04W84/12

CPC classification number: H04L5/0053 ,  H04B7/0452 ,  H04B7/0636 ,  H04L1/1812 ,  H04L5/0023 ,  H04W16/28 ,  H04W84/12

Abstract: A channel sounding method in a wireless local area network (WLAN) system is provided. The method, performed by a transmitter, includes transmitting a null data packet announcement (NDPA) frame to a receiver to initiate channel sounding, and transmitting a null data packet (NDP) to the receiver and receiving a feedback frame. The feedback frame includes a plurality of segment frames and a channel feedback report. The channel feedback report is split into a plurality of feedback segments. Each of the plurality of feedback segments is respectively included in each of the plurality of segment frames. Each of the plurality of segment frames includes a first-segment subfield indicating whether the each of the plurality of feedback segments included is a first segment and a remaining-segment subfield indicating the number of remaining feedback segments.

Abstract translation: 提供了一种无线局域网（WLAN）系统中的信道探测方法。 由发射机执行的方法包括向接收机发送空数据分组通知（NDPA）帧以发起信道探测，以及向接收机发送空数据分组（NDP）并接收反馈帧。 反馈帧包括多个分段帧和信道反馈报告。 信道反馈报告被分成多个反馈段。 多个反馈段中的每一个分别包括在多个段帧中的每一个中。 多个分段帧中的每一个包括指示所包括的多个反馈分段中的每一个是否是第一分段的第一分段子领域和指示剩余反馈段的数量的剩余分段子字段。

公开(公告)号：US20150036674A1

公开(公告)日：2015-02-05

申请号：US14516302

申请日：2014-10-16

Applicant: LG ELECTRONICS INC.

Inventor： Dae Won LEE ,  Yong Ho SEOK

IPC: H04W4/08 ,  H04B7/04 ,  H04W84/12

CPC classification number: H04W4/08 ,  H04B7/0452 ,  H04W72/042 ,  H04W72/046 ,  H04W72/1278 ,  H04W84/12

Abstract: A method of transmitting a spatial stream for multi user (MU)-multiple input multiple output (MIMO) in a wireless local area network system and a transmitter for performing the method are provided. The method includes transmitting, to a receiver, a management frame including group information to assign or change a position of a plurality of spatial streams corresponding to each of a plurality of groups, and transmitting, to the receiver, a frame including at least one spatial stream, wherein the group information includes a plurality of group indicators and a plurality of spatial stream (SS) indicators, each of the plurality of group indicators indicating whether the receiver is a member of each of the plurality of groups, each of the plurality of SS indicators indicating a position of the plurality of spatial streams corresponding to each of the plurality of groups.

Abstract translation: 提供了一种在无线局域网系统和用于执行该方法的发射机中发送多用户（MU）多输入多输出（MIMO）的空间流的方法。 该方法包括向接收机发送包括组信息的管理帧，以分配或改变与多个组中的每一个相对应的多个空间流的位置，以及向接收机发送包括至少一个空间 流，其中所述组信息包括多个组指示符和多个空间流（SS）指示符，所述多个组指示符中的每一个指示所述接收者是否是所述多个组中的每一个的成员， SS指示符指示与多个组中的每个组对应的多个空间流的位置。

公开(公告)号：US20140169357A1

公开(公告)日：2014-06-19

申请号：US14186721

申请日：2014-02-21

Applicant: LG ELECTRONICS INC.

Inventor： Yu Jin NOH ,  Byeong Woo KANG ,  Dae Won LEE ,  Yong Ho SEOK

IPC: H04W84/12

CPC classification number: H04W72/0446 ,  H04B7/0452 ,  H04W28/20 ,  H04W72/04 ,  H04W72/0406 ,  H04W74/0808 ,  H04W84/12 ,  H04W88/02 ,  H04W88/08

Abstract: A method and station for receiving a data frame in a wireless local area network are provided. The method includes receiving, from a transmitter which has obtained a transmission opportunity (TXOP) for a bandwidth, a first data unit of a plurality of data units during the TXOP, the TXOP indicating an interval of time when the transmitter has a right to exchange frame sequences; and after receiving the first data unit, further receiving, from the transmitter, a second data unit of the plurality of data units during the TXOP, wherein a transmit bandwidth of the second data unit is selected from available bandwidths, wherein the available bandwidths include a first available bandwidth which is same as a transmit bandwidth of the first data unit and a second available bandwidth which is narrower than the transmit bandwidth of the first data unit.

Abstract translation: 提供了一种用于在无线局域网中接收数据帧的方法和站。 该方法包括从TXOP中获得多个数据单元的第一数据单元的已经获得带宽的传输机会（TXOP）的发射机接收指示发射机有权交换的时间间隔的TXOP 帧序列; 并且在接收到所述第一数据单元之后，在所述TXOP期间进一步从所述发射机接收所述多个数据单元中的第二数据单元，其中从可用带宽中选择所述第二数据单元的发射带宽，其中所述可用带宽包括 与第一数据单元的发送带宽相同的第一可用带宽和比第一数据单元的发送带宽窄的第二可用带宽。

公开(公告)号：US20140105170A1

公开(公告)日：2014-04-17

申请号：US14141214

申请日：2013-12-26

Applicant: LG ELECTRONICS INC.

Inventor： Yong Ho SEOK ,  Eun Sun KIM

IPC: H04W36/06 ,  H04W48/16 ,  H04W84/12

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。