公开(公告)号：US09161260B2

公开(公告)日：2015-10-13

申请号：US14174649

申请日：2014-02-06

Applicant: LG ELECTRONICS INC.

Inventor： Yong Ho Seok

IPC: H04W4/00 ,  H04W28/02 ,  H04W72/04 ,  H04W74/00

CPC classification number: H04W74/006 ,  H04W28/0236 ,  H04W28/0268 ,  H04W52/58 ,  H04W72/046 ,  H04W74/004 ,  H04W84/12

Abstract: A space division multiple access (SDMA) method is provided. The method may be performed by a station (STA), in a wireless local area network (WLAN) system. The method includes overhearing a third transmission response message transmitted by an access point (AP), and determining whether to access a channel on the basis of criteria information included in the third transmission response message.

Abstract translation: 提供了一种空分多址（SDMA）方法。 该方法可以由无线局域网（WLAN）系统中的站（STA）执行。 该方法包括窃听由接入点（AP）发送的第三传输响应消息，并且基于包括在第三传输响应消息中的标准信息来确定是否接入信道。

公开(公告)号：US09144099B2

公开(公告)日：2015-09-22

申请号：US14318084

申请日：2014-06-27

Applicant: LG ELECTRONICS INC.

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

IPC: H04W4/00 ,  H04W76/02 ,  H04L12/18 ,  H04W72/00 ,  H04W84/12

CPC classification number: H04W76/023 ,  H04L12/189 ,  H04W4/00 ,  H04W72/005 ,  H04W76/14 ,  H04W84/12 ,  Y02D70/142 ,  Y02D70/22

Abstract: A method of transmitting a frame in a Wireless Local Area Network (WLAN) system is provided. The method includes receiving, by a first station, information about an association identifier (AID) from an access point, the AID identifying the first station in the WLAN system; transmitting, by the first station, a Direct Link Setup (DLS) request frame to a second station to request a setup for a direct link with the second station, the DLS request frame including the AID of the first station; receiving, by the first station, a DLS response frame from the second station in response to the DLS request frame, the DLS response frame including an AID of the second station; and transmitting, by the first station, a Physical Layer Convergence Procedure (PLCP) Protocol Data Unit (PPDU) to the second station or the access point.

Abstract translation: 提供了一种在无线局域网（WLAN）系统中发送帧的方法。 所述方法包括：从第一站接收关于来自接入点的关联标识符（AID）的信息，所述AID标识所述WLAN系统中的所述第一站; 由第一站向第二站发送直接链路建立（DLS）请求帧，以请求建立与第二站的直接链路，DLS请求帧包括第一站的AID; 由所述第一站从所述第二站响应于所述DLS请求帧接收DLS响应帧，所述DLS响应帧包括所述第二站的AID; 以及由所述第一站将物理层会聚过程（PLCP）协议数据单元（PPDU）发送到所述第二站或所述接入点。

公开(公告)号：US09118450B2

公开(公告)日：2015-08-25

申请号：US14052603

申请日：2013-10-11

Applicant: LG Electronics Inc.

Inventor： Eun Sun Kim ,  Yong Ho Seok

IPC: H04W4/00 ,  H04L5/00 ,  H04W72/04 ,  H04W16/14

CPC classification number: H04L5/0085 ,  H04W16/14 ,  H04W72/0426 ,  H04W72/0453 ,  H04W72/048 ,  H04W84/12

Abstract: A method and an apparatus for protecting a primary service as an unlicensed device in a regulatory domain where a licensed device and the unlicensed device are permitted to operate are disclosed. For protecting a primary service by a station as an unlicensed device in a regulatory domain where a licensed device and the unlicensed device are permitted to operate, the unlicensed device acquires a list of identified available channels for the operation of the unlicensed device and maximum allowed transmission powers of the identified available channels from a regulatory domain database system; generates a white space map (WSM) comprising the list of identified available channels and the maximum allowed transmission powers of the identified available channels; updates the WSM when the station acquires information that a primary service signal is detected on a specific channel which is indicated as available in the WSM; and transmits the updated WSM to another station such that the another station moves to another channel if the another station is operating on the specific channel.

Abstract translation: 公开了一种在许可设备和非许可设备被允许操作的监管域中保护作为未许可设备的主服务的方法和设备。 为了保护作为许可设备和未经授权的设备被允许操作的管理域中的未许可设备的站的主服务，未经许可的设备获取用于非许可设备的操作的标识的可用信道的列表和最大允许传输 来自监管域数据库系统的已识别可用频道的功能; 生成包括识别的可用信道的列表和所识别的可用信道的最大允许发送功率的白色空间映射（WSM）; 当站获取在WSM中可用的特定信道上检测到主服务信号的信息时，更新WSM; 并将更新的WSM发送到另一站，使得如果另一站在特定信道上操作，则另一站移动到另一个信道。

公开(公告)号：US09042332B2

公开(公告)日：2015-05-26

申请号：US14181451

申请日：2014-02-14

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/04 ,  H04W40/02 ,  H04W72/02 ,  H04W84/12 ,  H04W76/02 ,  H04W88/08

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

Abstract: A communication method in a wireless local area network (WLAN) system is provided. The communication method includes: communicating, by a first station, with a second station, via an operating channel of the new BSS, a width of the operating channel being equal to one among 40 MHz, 80 MHz, 80+80 MHz and 160 MHz. The operating channel includes a primary channel selected among a set of channels by the second station, the selected primary channel is not identical to a secondary 20 MHz channel of one or more existing BSSs scanned by the second station, and the secondary 20 MHz of the one or more existing BSSs is contiguous with a primary 20 MHz channel of the one or more existing BSSs.

Abstract translation: 提供了一种无线局域网（WLAN）系统中的通信方法。 通信方法包括：通过新BSS的操作信道，由第一站与第二站进行通信，工作信道的宽度等于40MHz，80MHz，80 + 80MHz和160MHz之间的一个 。 操作信道包括由第二站在一组信道中选择的主信道，所选择的主信道与由第二站扫描的一个或多个现有BSS的辅助20MHz信道不同， 一个或多个现有BSS与一个或多个现有BSS的主20MHz信道相邻。

公开(公告)号：US08923266B2

公开(公告)日：2014-12-30

申请号：US14186572

申请日：2014-02-21

Applicant: LG Electronics Inc.

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

IPC: H04J3/16 ,  H04W72/04 ,  H04W84/12 ,  H04B7/04 ,  H04W88/02 ,  H04W28/20 ,  H04W74/08

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

Abstract: A station and method for transmitting a data frame in a wireless local area network are provided. The method includes obtaining, by the station, a transmission opportunity (TXOP) for a bandwidth, the TXOP indicating an interval of time when the station has a right to exchange frame sequences; selecting, by the station, a transmit bandwidth parameter of a non-initial data unit of a plurality of data units from available bandwidth parameters, wherein the available bandwidth parameters include a first available bandwidth parameter which is same as a transmit bandwidth parameter of a 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; and transmitting, by the station during the TXOP, the non-initial data unit according to the transmit bandwidth parameter of the non-initial data unit.

Abstract translation: 提供了一种用于在无线局域网中发送数据帧的站和方法。 所述方法包括由所述站获取用于带宽的传输机会（TXOP），所述TXOP指示所述站有权交换帧序列的时间间隔; 由所述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射带宽参数，其中所述可用带宽参数包括与前一个的发射带宽参数相同的第一可用带宽参数 多个数据单元的数据单元和比前一个数据单元的发送带宽参数更窄的第二可用带宽参数; 以及所述站在所述TXOP期间根据所述非初始数据单元的发送带宽参数发送所述非初始数据单元。

公开(公告)号：US20140334420A1

公开(公告)日：2014-11-13

申请号：US14362860

申请日：2012-12-06

Applicant: LG ELECTRONICS INC

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

IPC: H04L27/26 ,  H04L5/00

CPC classification number: H04L27/2607 ,  H04L5/005 ,  H04L25/0204 ,  H04L25/0226 ,  H04L27/2032 ,  H04L27/261 ,  H04W84/12 ,  H04W88/08

Abstract: The present invention relates to a method for performing channel sounding by means of an access point (AP) in a wireless LAN system. The method includes the steps of transmitting a null data packet announcement (NDPA) frame to notify that an NDP is to be transmitted, transmitting the NDP, and receiving a feedback frame from a station (STA). The NDP includes a signal field. The signal field of the NDP is transmitted through two orthogonal frequency division multiplexing (OFDM) symbols. One of the two OFDM symbols is a repeated OFDM symbol signifying that the other is repeated.

Abstract translation: 本发明涉及一种在无线LAN系统中通过接入点（AP）进行信道探测的方法。 该方法包括以下步骤：发送空数据分组公告（NDPA）帧以通知NDP将被发送，发送NDP，以及从站（STA）接收反馈帧。 NDP包括一个信号字段。 NDP的信号字段通过两个正交频分复用（OFDM）符号传输。 两个OFDM符号中的一个是重复的OFDM符号，表示另一个被重复。

公开(公告)号：US20140328238A1

公开(公告)日：2014-11-06

申请号：US14357741

申请日：2012-11-26

Applicant: LG Electronics Inc.

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

IPC: H04W52/02 ,  H04W4/00

CPC classification number: H04W52/0212 ,  H04W4/80 ,  H04W52/0216 ,  H04W74/04 ,  Y02D70/142 ,  Y02D70/168 ,  Y02D70/21 ,  Y02D70/22

Abstract: Provided is a data transceiving method performed by a station (STA) in a wireless LAN system. The method comprises: receiving subgrouping parameter information from an access point (AP); determining whether a frame buffered in the STA subgroup in which the STA is contained exists or not based on the subgrouping parameter information; receiving a TIM element in a channel access interval for the STA subgroup from the AP if the buffered frame exists; and exchanging the AP and the frame in the channel access interval based on the TIM element.

Abstract translation: 提供了一种由无线LAN系统中的站（STA）执行的数据收发方法。 该方法包括：从接入点（AP）接收子分组参数信息; 基于所述子分组参数信息来确定是否存在在所述STA中包含所述STA的STA子组中缓冲的帧是否存在; 如果缓冲的帧存在，则从AP接收STA子组的信道接入间隔中的TIM元素; 并且基于TIM元素在信道访问间隔中交换AP和帧。

公开(公告)号：US20140294020A1

公开(公告)日：2014-10-02

申请号：US14359755

申请日：2012-12-05

Applicant: LG ELECTRONICS INC.

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

IPC: H04L29/06

CPC classification number: H04L69/22 ,  H04L5/0048 ,  H04L25/0226 ,  H04L25/0228 ,  H04L27/2613

Abstract: The present invention relates to a method and apparatus for transmitting channel parameter information. A method for transmitting a frame in consideration of a channel environment includes the steps of: receiving long training field (LTF) setting information from a station; creating a frame including an LTF, a plurality of divided data fields, and an additional LTF on the basis of the LTF setting information; and transmitting the frame, wherein the LTF positions are ahead of the plurality of divided data fields, the additional LTF positions are between or behind the plurality of divided data fields, and the LTF setting information can be created on the basis of the movement of the station. Therefore, channel estimation performance can be increased.

Abstract translation: 本发明涉及发送信道参数信息的方法和装置。 考虑到信道环境发送帧的方法包括以下步骤：从站接收长训练场（LTF）设置信息; 基于LTF设置信息创建包括LTF，多个分割数据字段和附加LTF的帧; 并且发送所述帧，其中所述LTF位置在所述多个划分的数据字段之前，所述附加LTF位置在所述多个划分的数据字段之间或之后，并且可以基于所述多个分割数据字段的移动来创建所述LTF设置信息 站。 因此，可以提高信道估计性能。

公开(公告)号：US20140286226A1

公开(公告)日：2014-09-25

申请号：US14239740

申请日：2012-12-10

Applicant: LG ELECTRONICS INC.

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

IPC: H04W4/06

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

Abstract: Provided is a method for receiving a frame, which is to be performed by a station (STA) in a wireless LAN system. The method includes receiving a multicast frame from an access point (AP). The multicast frame includes a medium access control (MAC) header. The MAC header includes a transmitter address (TA) field and a receiver address (RA) field. The RA field includes a multicast association identifier for identifying an STA group including said STA.

Abstract translation: 提供了一种用于接收由无线LAN系统中的站（STA）执行的帧的方法。 该方法包括从接入点（AP）接收多播帧。 多播帧包括媒体访问控制（MAC）头。 MAC报头包括发送机地址（TA）字段和接收方地址（RA）字段。 RA字段包括用于识别包括所述STA的STA组的多播关联标识符。

公开(公告)号：US20130303229A1

公开(公告)日：2013-11-14

申请号：US13940324

申请日：2013-07-12

Applicant: LG Electronics Inc.

Inventor： Eun Sun Kim ,  Yong Ho Seok

IPC: H04W16/14 ,  H04W52/38

CPC classification number: H04W52/346 ,  H04W16/14 ,  H04W52/146 ,  H04W52/243 ,  H04W52/36 ,  H04W52/367 ,  H04W52/38 ,  H04W52/52

Abstract: A method and apparatus of controlling a transmit power in a wireless local area network is provided. A wireless device operated in a TV White Space transmits a white space map indicating a list of available channels, and transmits an extended power constraint indicating a plurality of transmission channels and a plurality of maximum transmit powers, wherein the plurality of transmission channels are selected among the list of available channels and each of the plurality of maximum transmit powers corresponds to a maximum transmit power for each of the plurality of transmission channels. Interference can be mitigated between wireless devices operated in the TV White Space.

Abstract translation: 提供了一种在无线局域网中控制发射功率的方法和装置。 在TV白空间中操作的无线设备发送指示可用信道列表的白空间映射，并发送指示多个传输信道和多个最大发射功率的扩展功率约束，其中，多个传输信道选自 可用信道的列表和多个最大发射功率中的每一个对应于多个传输信道中的每一个的最大发射功率。 可以在电视白色空间中操作的无线设备之间减轻干扰。