公开(公告)号：US20160301451A1

公开(公告)日：2016-10-13

申请号：US15101375

申请日：2014-06-19

Applicant: LG ELECTRONICS INC.

Inventor： Yongho Seok

IPC: H04B7/04 ,  H04W72/00 ,  H04W4/06

CPC classification number: H04B7/0413 ,  H04B7/0684 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0044 ,  H04L5/0053 ,  H04L27/2602 ,  H04L27/2613 ,  H04W4/06 ,  H04W56/00 ,  H04W72/005 ,  H04W84/12

Abstract: Disclosed are a method and a device for transferring data from a wireless LAN to a plurality of stations (STAs). The method for transferring data from a wireless LAN to a plurality of STAs may comprise: a step in which an AP generates a MIMOOFDMA format PPDU; and a step in the AP transfers the MIMO-OFDMA format PPDU to the plurality of STAs, wherein the MIMO-OFDMA format PPDU comprises a plurality of sub-channel format PPDUs which are synchronized in time phase, and the plurality of sub-channel format PPDUs are transferred respectively to the plurality of STAs through a plurality of respective sub-channel bands, and the number of training fields for the MIMO transfer which are included in the respective plurality of subchannel format PPDUs can be the same.

Abstract translation: 公开了一种用于将数据从无线LAN传送到多个站（STA）的方法和装置。 将数据从无线LAN传送到多个STA的方法可以包括：AP生成MIMOOFDMA格式PPDU的步骤; 并且AP中的步骤将MIMO-OFDMA格式PPDU传送到多个STA，其中MIMO-OFDMA格式PPDU包括在时间相位上同步的多个子信道格式PPDU，并且多个子信道格式 PPDU通过多个相应的子信道频带分别传送到多个STA，并且包含在相应的多个子信道格式PPDU中的用于MIMO传输的训练场的数量可以相同。

公开(公告)号：US09451637B2

公开(公告)日：2016-09-20

申请号：US14390330

申请日：2013-06-27

Applicant: LG ELECTRONICS INC.

Inventor： Jeongki Kim ,  Yongho Seok ,  Jinsam Kwak ,  Jinso Choi

IPC: H04W74/06 ,  H04W52/02 ,  H04W84/12

CPC classification number: H04W52/0216 ,  H04W74/008 ,  H04W74/06 ,  H04W84/12 ,  Y02D70/1222 ,  Y02D70/1224 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/168 ,  Y02D70/21 ,  Y02D70/22

Abstract: Disclosed is a method for a station (STA) for accessing a channel in a wireless communication system. The method for a STA for accessing a channel in a wireless communication system comprises the steps of: receiving a beacon frame comprising a traffic indicator map (TIM); and transmitting a power save (PS)-Poll frame if buffered traffic is indicated by TIM to the STA, wherein the PS-Poll frame is transmitted during a PS-Poll dedicated restricted access window (RAW) by and/or during an additional RAW, the PS-Poll dedicated RAW being allocated to transmit the PS-Poll frame, and the additional RAW being additionally allocated subsequent to the PS-Poll-dedicated RAW.

Abstract translation: 公开了一种用于在无线通信系统中访问信道的站（STA）的方法。 用于在无线通信系统中访问信道的STA的方法包括以下步骤：接收包括业务指示符映射（TIM）的信标帧; 以及如果缓存的业务由TIM指示给STA，则发送功率节省（PS）-Poll帧，其中PS-Poll帧在PS-Poll专用限制访问窗口（RAW）期间和/或期间附加RAW PS-Poll专用RAW被分配以发送PS-Poll帧，并且额外分配在PS-Poll专用RAW之后的附加RAW。

公开(公告)号：US09398611B2

公开(公告)日：2016-07-19

申请号：US14378597

申请日：2013-02-15

Applicant: LG Electronics Inc.

Inventor： Jinsoo Choi ,  Jinsam Kwak ,  Yongho Seok

IPC: H04W74/00 ,  H04W52/02 ,  H04L1/16 ,  H04W88/08

CPC classification number: H04W74/002 ,  H04L1/1614 ,  H04W52/0216 ,  H04W88/08 ,  Y02D70/1224 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/168 ,  Y02D70/21 ,  Y02D70/22

Abstract: The present invention relates to a method for accessing channels in wireless communication systems and to an apparatus for same. More particularly, the method for supporting channel access of a station (STA), which does not belong to a group indicated by a traffic indication map (TIM), includes the steps of: receiving a channel access frame for requesting channel access within a TIM interval from an STA; and transmitting to the STA a response frame including information on whether to allow channel access of the STA in response to the channel access frame, wherein the channel access period of an STA, which belongs to the group, is determined on the basis of a bitmap of the TIM within the TIM interval, and the channel access of the STA is allowed only in a period other than the channel access period of the STA, which belongs to the group.

Abstract translation: 本发明涉及一种用于在无线通信系统中访问信道的方法及其装置。 更具体地，用于支持不属于由业务指示映射（TIM）指示的组的站（STA）的信道接入的方法包括以下步骤：接收用于在TIM内请求信道访问的信道接入帧 来自STA的间隔; 并且向STA发送包括关于是否允许响应于信道接入帧的STA的信道接入的信息的响应帧，其中属于该组的STA的信道访问周期是基于位图来确定的 在TIM间隔内的TIM的通道访问，并且仅在属于该组的STA的信道访问周期之外的周期中允许STA的信道接入。

公开(公告)号：US20160021680A1

公开(公告)日：2016-01-21

申请号：US14378597

申请日：2013-02-15

Applicant: LG ELECTRONICS INC.

Inventor： Jinsoo Choi ,  Jinsam Kwak ,  Yongho Seok

IPC: H04W74/00 ,  H04L1/16 ,  H04W52/02

CPC classification number: H04W74/002 ,  H04L1/1614 ,  H04W52/0216 ,  H04W88/08 ,  Y02D70/1224 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/168 ,  Y02D70/21 ,  Y02D70/22

Abstract: The present invention relates to a method for accessing channels in wireless communication systems and to an apparatus for same. More particularly, the method for supporting channel access of a station (STA), which does not belong to a group indicated by a traffic indication map (TIM), includes the steps of: receiving a channel access frame for requesting channel access within a TIM interval from an STA; and transmitting to the STA a response frame including information on whether to allow channel access of the STA in response to the channel access frame, wherein the channel access period of an STA, which belongs to the group, is determined on the basis of a bitmap of the TIM within the TIM interval, and the channel access of the STA is allowed only in a period other than the channel access period of the STA, which belongs to the group.

Abstract translation: 本发明涉及一种用于在无线通信系统中访问信道的方法及其装置。 更具体地，用于支持不属于由业务指示映射（TIM）指示的组的站（STA）的信道接入的方法包括以下步骤：接收用于在TIM内请求信道访问的信道接入帧 来自STA的间隔; 并且向STA发送包括关于是否允许响应于信道接入帧的STA的信道接入的信息的响应帧，其中属于该组的STA的信道访问周期是基于位图来确定的 在TIM间隔内的TIM的通道访问，并且仅在属于该组的STA的信道访问周期之外的周期中允许STA的信道接入。

公开(公告)号：US09226163B2

公开(公告)日：2015-12-29

申请号：US14288559

申请日：2014-05-28

Applicant: LG ELECTRONICS INC.

Inventor： Eunsun Kim ,  Yongho Seok

IPC: H04W4/00 ,  H04W16/14 ,  H04W24/02 ,  H04W4/02 ,  H04W84/12

CPC classification number: H04W16/14 ,  H04W4/02 ,  H04W24/02 ,  H04W84/12

Abstract: A method of dynamic station enablement procedure in a wireless local area network (WLAN) is disclosed. A method of performing an enablement procedure by a first station in a regulatory domain where a licensed device and an unlicensed device are permitted to operate together in a wireless local area network (WLAN) comprises receiving, from a second station, an enabling signal including advertisement protocol element with an advertisement protocol identification (ID) field which indicates an advertisement protocol the second station supports; and exchanging DSE (dynamic station enablement) related messages with the second station using a GAS (generic advertisement service) protocol.

Abstract translation: 公开了一种在无线局域网（WLAN）中的动态站启用过程的方法。 一种由许可设备和非许可设备被允许在无线局域网（WLAN）中一起操作的调节域中的第一站执行启用过程的方法包括从第二站接收包括广告的启用信号 具有指示第二站支持的广告协议的广告协议标识（ID）字段的协议元件; 并且使用GAS（通用广告服务）协议与第二站交换DSE（动态站启用）相关消息。

公开(公告)号：US09204480B2

公开(公告)日：2015-12-01

申请号：US14473810

申请日：2014-08-29

Applicant: LG Electronics Inc.

Inventor： Yongho Seok

IPC: H04W76/02 ,  H04W28/16

CPC classification number: H04W76/023 ,  H04W28/16 ,  H04W76/14

Abstract: A Tunneled Direct Link Setup (TDLS) establishment method. The method includes associating a Basic Service Set (BSS) which includes an Access Point (AP); transmitting a TDLS setup request frame through the AP to an intended peer station, the TDLS setup request frame requesting to establish a TDLS direct link, the TDLS setup request frame including a link identifier, the link identifier including a BSSID field, a transmitter address field and a receiver address field, the BSSID field being set to a BSSID, the transmitter address field being set to a medium access control (MAC) address of the TDLS initiator, the receiver address field being set to a MAC address of the intended peer station; receiving a TDLS setup response frame including a status code field; and transmitting a TDLS setup confirm frame including the link identifier. The TDLS setup confirm frame includes high throughput operation information.

Abstract translation: 隧道直接链路建立（TDLS）建立方法。 该方法包括：将包括接入点（AP）的基本服务集（BSS）相关联; 通过AP将TDLS建立请求帧发送到预期对等站，TDLS建立请求帧请求建立TDLS直接链路，TDLS建立请求帧包括链路标识符，包括BSSID字段的链路标识符，发射机地址字段 和接收机地址字段，BSSID字段被设置为BSSID，发送机地址字段被设置为TDLS发起方的媒体接入控制（MAC）地址，接收机地址字段被设置为预期对等站的MAC地址 ; 接收包括状态码字段的TDLS建立响应帧; 以及发送包括链路标识符的TDLS建立确认帧。 TDLS设置确认帧包括高吞吐量操作信息。

公开(公告)号：US20150289164A1

公开(公告)日：2015-10-08

申请号：US14434903

申请日：2013-10-07

Applicant: LG ELECTRONICS INC.

Inventor： Yongho Seok

IPC: H04W28/06 ,  H04W84/12 ,  H04W52/02

CPC classification number: H04L61/6022 ,  H04L63/0876 ,  H04L67/2842 ,  H04L69/04 ,  H04L69/22 ,  H04L69/324 ,  H04W4/70 ,  H04W12/02 ,  H04W12/06 ,  H04W28/06 ,  H04W28/065 ,  H04W52/0209 ,  H04W84/12 ,  Y02D70/00 ,  Y02D70/1224 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/168 ,  Y02D70/21 ,  Y02D70/22

Abstract: A method and apparatus for transmitting and receiving a frame supporting a short MAC header in a wireless LAN (WLAN) system are disclosed. A method for encrypting a MAC protocol data unit (MPDU) in a wireless LAN (WLAN) system includes: constructing, by a first station (STA), Additional Authentication Data (AAD) including a Frame Control (FC) field, an Address 1 (A1) field, an Address 2 (A2) field, and a Sequence Control (SC) field; and transmitting a frame including an encrypted MPDU including the AAD from the first STA to a second STA. The FC field, the A1 field, the A2 field, and the SC field of the AAD are constructed on the basis of an FC field, an A1 field, an A2 field, and an SC field of a short MAC header of the MPDU, and one of the A1 field and the A2 field of the AAD includes an associated identifier (AID) value according to whether a transmission direction of the frame is an uplink (UL) or downlink (DL) direction.

Abstract translation: 公开了一种在无线LAN（WLAN）系统中发送和接收支持短MAC报头的帧的方法和装置。 一种用于在无线LAN（WLAN）系统中加密MAC协议数据单元（MPDU）的方法包括：由第一站（STA）构建包括帧控制（FC）字段的附加认证数据（AAD），地址1 （A1）字段，地址2（A2）字段和序列控制（SC）字段; 以及将包括所述AAD的加密MPDU的帧从所述第一STA发送到第二STA。 基于MPDU的短MAC头的FC字段，A1字段，A2字段和SC字段，构建AAD的FC字段，A1字段，A2字段和SC字段， 并且根据帧的传输方向是上行链路（UL）还是下行链路（DL）方向，AAD的A1字段和A2字段之一包括相关联的标识符（AID）值。

公开(公告)号：US20150271850A1

公开(公告)日：2015-09-24

申请号：US14436370

申请日：2013-10-16

Applicant: LG ELECTRONICS INC.

Inventor： Jeongki Kim ,  Yongho Seok ,  Jinsoo Choi

IPC: H04W74/08 ,  H04W72/08 ,  H04W72/04

CPC classification number: H04W74/08 ,  H04W72/0406 ,  H04W72/082 ,  H04W84/12

Abstract: Disclosed is a method for transmitting a signal of an access point (AP), comprising the steps of receiving a first frame from a first STA; and transmitting a second frame including a response to the first frame to the first STA, wherein the second frame induces the transmission of a third frame for the first STA to make the second STA set a network allocation vector (NAV), and the second STA is an STA unable to sense the AP.

Abstract translation: 公开了一种用于发送接入点（AP）的信号的方法，包括以下步骤：从第一STA接收第一帧; 以及向所述第一STA发送包括对所述第一帧的响应的第二帧，其中所述第二帧引起所述第一STA的第三帧的传输，以使得所述第二STA设置网络分配向量（NAV），并且所述第二STA 是STA无法感知AP。

公开(公告)号：US09144088B2

公开(公告)日：2015-09-22

申请号：US14042091

申请日：2013-09-30

Applicant: LG ELECTRONICS INC.

Inventor： Yongho Seok

IPC: H04W74/00 ,  H04W74/04 ,  H04W84/12

CPC classification number: H04W72/0446 ,  H04W4/70 ,  H04W74/00 ,  H04W74/04 ,  H04W74/0816 ,  H04W84/12

Abstract: A method and apparatus for performing channel access in a WLAN system are disclosed. A method for managing a network allocation vector (NAV) by a station (STA) in a wireless LAN (WLAN) system includes: receiving a Contention Free (CF)-END frame including a duration field; if the CF-END frame is a first-type CF-END frame, resetting the NAV; and if the CF-END frame is a second-type CF-END frame, determining whether to reset the NAV according to a comparison result between a value of the duration field and a NAV value of the STA.

Abstract translation: 公开了一种用于在WLAN系统中执行信道接入的方法和装置。 一种用于在无线LAN（WLAN）系统中由站（STA）管理网络分配向量（NAV）的方法包括：接收包括持续时间字段的无竞争（CF）-END帧; 如果CF-END帧是第一类CF-END帧，则重设NAV; 并且如果CF-END帧是第二类型的CF-END帧，则根据持续时间字段的值和STA的NAV值之间的比较结果确定是否复位NAV。

公开(公告)号：US20150208444A1

公开(公告)日：2015-07-23

申请号：US14419228

申请日：2013-08-14

Applicant: LG ELECTRONICS INC.

Inventor： Giwon Park ,  Kiseon Ryu ,  Jinsoo Choi ,  Jinsam Kwak ,  Yongho Seok

IPC: H04W74/08

CPC classification number: H04W74/0833 ,  H04W74/006 ,  H04W74/0808 ,  H04W84/12

Abstract: Disclosed are a method and an apparatus for accessing a channel in a wireless LAN. A method for a station (STA) initially accessing the channel in the wireless LAN comprises the steps of: the STA receiving from an access point (AP) a frame including channel state information and a set of an N (a natural number wherein N>1) number of access parameter sets; the STA selecting a random variable when the channel state information indicates that a wireless link is busy; the STA selecting one access parameter set from the N number of access parameter sets on the basis of the one access parameter and transmitting an association request frame to the AP.

Abstract translation: 公开了一种用于访问无线LAN中的信道的方法和装置。 一种用于在无线LAN中初始访问信道的站（STA）的方法包括以下步骤：STA从接入点（AP）接收包括信道状态信息的帧和一组N（自然数，其中N> 1）访问参数集数; 当信道状态信息指示无线链路忙时，STA选择随机变量; 所述STA基于所述一个访问参数从所述N个访问参数集合中选择一个访问参数集，并向所述AP发送关联请求帧。