公开(公告)号：US20150230244A1

公开(公告)日：2015-08-13

申请号：US14426098

申请日：2013-10-29

Applicant: LG ELECTRONICS INC.

Inventor： Jinsoo Choi ,  Hangyu Cho ,  Yongho Seok ,  Jeongki Kim

IPC: H04W72/04 ,  H04L1/16 ,  H04L12/46 ,  H04W74/00 ,  H04W28/02

CPC classification number: H04W72/0446 ,  H04L1/1614 ,  H04L12/4641 ,  H04W28/0215 ,  H04W72/1263 ,  H04W74/002 ,  H04W84/12 ,  H04W88/08

Abstract: The present invention relates to a wireless communication system and, more specifically, to a method and a device for transmitting and receiving a traffic indication map (TIM) in a wireless LAN system. The method by which a station (STA) receives a TIM element in a wireless LAN system, according to one embodiment of the present invention, comprises the steps of: receiving a frame that includes the TIM element from an access point (AP); and decoding a partial virtual bitmap included in the TIM element, wherein one block of the partial virtual bitmap includes one or more association identifier difference value (ΔAID) fields, and a field subsequent to the one or more ΔAID fields can indicate an end of the one block.

Abstract translation: 无线通信系统技术领域本发明涉及一种无线通信系统，更具体地，涉及一种用于在无线LAN系统中发送和接收业务指示映射（TIM）的方法和设备。 根据本发明的一个实施例，站（STA）通过其接收无线LAN系统中的TIM元素的方法包括以下步骤：从接入点（AP）接收包括TIM元素的帧; 以及对包括在所述TIM元素中的部分虚拟位图进行解码，其中所述部分虚拟位图中的一个块包括一个或多个关联标识符差值（＆Dgr; AID）字段，并且所述一个或多个AID字段之后的字段可以指示 一个块的结束。

公开(公告)号：US20150139207A1

公开(公告)日：2015-05-21

申请号：US14401263

申请日：2013-05-15

Applicant: LG ELECTRONICS INC.

Inventor： Yongho Seok

IPC: H04W48/14 ,  H04W48/16

CPC classification number: H04W52/0225 ,  H04W48/12 ,  H04W48/14 ,  H04W48/16 ,  H04W84/12 ,  Y02D70/00 ,  Y02D70/1222 ,  Y02D70/1224 ,  Y02D70/1262 ,  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 low-power scanning in a WLAN system. A method for a station (STA) scanning in the wireless communication system, according to one embodiment of the present invention, comprises the steps of: transmitting a null data packet (NDP) probe request frame; and receiving from an access point (AP) a probe reply frame as a replay to the NDP probe request frame, wherein the NDP probe request frame can include a compressed service set ID (SSID).

Abstract translation: 无线通信系统技术领域本发明涉及一种无线通信系统，更具体地说，本发明涉及一种WLAN系统中低功耗扫描的方法和装置。 根据本发明的一个实施例，在无线通信系统中进行站（STA）扫描的方法包括以下步骤：发送空数据分组（NDP）探测请求帧; 并且从所述接入点（AP）接收探测应答帧作为所述NDP探测请求帧的重播，其中，所述NDP探测请求帧可以包括压缩服务集ID（SSID）。

公开(公告)号：US20150139115A1

公开(公告)日：2015-05-21

申请号：US14412660

申请日：2012-10-16

Applicant: LG ELECTRONICS INC.

Inventor： Yongho Seok

IPC: H04W72/04 ,  H04W16/14

CPC classification number: H04W72/0453 ,  H04W16/14 ,  H04W28/20 ,  H04W48/08 ,  H04W74/002

Abstract: The present invention relates to a wireless communication system, and more specifically, disclosed are a method and an apparatus for transreceiving operating channel information. A method for providing an operating parameter of a station, which operates in a whitespace band, according to the present invention, comprises the steps of: transmitting a frame comprising an operation information field including a channel width subfield; and transmitting a signal (SIG) field of a physical layer convergence procedure (PLCP) protocol data unit (PPDU) preamble, wherein the SIG field comprises a bandwidth (BW) field, and wherein the type of the PPDU can be determined on the basis of the channel width subfield and the BW field.

Abstract translation: 无线通信系统技术领域本发明涉及一种无线通信系统，更具体地说，本发明涉及一种用于收发操作信道信息的方法和装置。 根据本发明的用于提供在空白频带中操作的站的操作参数的方法包括以下步骤：发送包括包括信道宽度子字段的操作信息字段的帧; 以及发送物理层汇聚过程（PLCP）协议数据单元（PPDU）前导码的信号（SIG）字段，其中所述SIG字段包括带宽（BW）字段，并且其中所述PPDU的类型可以基于 的通道宽度子字段和BW字段。

公开(公告)号：US20150085849A1

公开(公告)日：2015-03-26

申请号：US14394168

申请日：2013-04-15

Applicant: LG Electronics Inc.

Inventor： Jeongki Kim ,  Jinsam Kwak ,  Yongho Seok ,  Seunghee Han ,  Jinsoo Choi

IPC: H04W24/02

CPC classification number: H04W48/14 ,  H04W24/02 ,  H04W48/16 ,  H04W72/0446 ,  H04W84/12

Abstract: The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for updating system information in a wireless LAN system. A method for a station (STA) to update system information in a wireless communication system according to one embodiment of the present invention comprises the steps of: if the value of a change sequence field received by the STA from an access point (AP) is different from the value of the change sequence field stored in the STA, transmitting, to the AP, a probe request frame including the change sequence field set to the value of the change sequence field stored in the STA; and a step of receiving, from the AP, a probe response frame responding to the probe request frame including the change sequence field.

Abstract translation: 无线通信系统技术领域本发明涉及一种无线通信系统，更具体地，涉及一种用于更新无线LAN系统中的系统信息的方法和装置。 根据本发明的一个实施例的用于站（STA）更新无线通信系统中的系统信息的方法包括以下步骤：如果STA从接入点（AP）接收到的改变序列字段的值是 与存储在STA中的改变序列字段的值不同，向AP发送包括设置为存储在STA中的改变序列字段的值的改变序列字段的探测请求帧; 以及从AP接收响应于包括改变序列字段的探测请求帧的探测响应帧的步骤。

公开(公告)号：US20150085780A1

公开(公告)日：2015-03-26

申请号：US14395754

申请日：2013-04-19

Applicant: LG Electronics Inc.

Inventor： Jeongki Kim ,  Jinsam Kwak ,  Yongho Seok ,  Seunghee Han ,  Jinsoo Choi

IPC: H04W74/06

CPC classification number: H04W74/06 ,  H04W48/12 ,  H04W52/0209 ,  H04W52/0216 ,  H04W72/0406 ,  H04W84/12 ,  Y02D70/00 ,  Y02D70/1224 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/168 ,  Y02D70/21 ,  Y02D70/22

Abstract: The invention relates to a method for a station (STA) to perform channel access in a wireless communication system, comprising the steps of: receiving a beacon frame including a traffic indication map (TIM); a step of checking, if the TIM indicates to the STA that buffered traffic exists, information relating to a PS-poll transmission type; and a step of transmitting a PS-poll frame according to either a first type or second type of transmission indicated by the information relating to the PS-poll frame transmission type. The first type of transmission involves transmitting the PS-poll frame after performing contention, and the second type of transmission involves transmitting the PS-poll frame in the time interval set for the STA.

Abstract translation: 本发明涉及一种用于站（STA）在无线通信系统中执行信道接入的方法，包括以下步骤：接收包括交通指示图（TIM）的信标帧; 如果TIM向STA指示缓冲流量存在，则检查与PS-poll传输类型有关的信息; 以及根据与所述PS轮询帧传输类型相关的信息指示的第一类型或第二类型的传输来发送PS轮询帧的步骤。 第一类型的传输涉及在执行争用后发送PS轮询帧，而第二类传输涉及在为STA设置的时间间隔内发送PS轮询帧。

公开(公告)号：US20150071211A1

公开(公告)日：2015-03-12

申请号：US14394928

申请日：2013-04-29

Applicant: LG ELECTRONICS INC.

Inventor： Yongho Seok

IPC: H04W74/04

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 RAW includes at least one slot, the RPS component includes at least one RAW allocation field, each of the at least one RAW allocation field includes a RAW duration field and a slot duration field, and wherein an index of a slot which is allocated to the STA can be determined on the basis of an association identifier (AID) of the STA and the number of the slots in the RAW.

Abstract translation: 无线通信系统技术领域本发明涉及一种无线通信系统，更具体地说，本发明涉及一种在WLAN系统中访问信道的方法和装置。 根据本发明的一个实施例，用于从无线通信系统中的站（STA）访问信道的方法包括以下步骤：从接入点（AP）接收包括交通指示图（TIM ）和限制访问窗口（RAW）参数集组件; 基于RAW参数集（RPS）分量来确定允许STA的信道访问的RAW; 以及从所确定的RAW内的所述AP发送第二帧，其中所述RAW包括至少一个时隙，所述RPS分量包括至少一个RAW分配字段，所述至少一个RAW分配字段中的每一个包括RAW持续时间字段 和时隙持续时间字段，并且其中可以基于STA的关联标识符（AID）和RAW中的时隙数量来确定分配给STA的时隙的索引。

公开(公告)号：US20150057008A1

公开(公告)日：2015-02-26

申请号：US14377780

申请日：2013-02-12

Applicant: LG ELECTRONICS INC.

Inventor： Yongho Seok

IPC: H04W72/04 ,  H04L5/00

CPC classification number: H04W72/0446 ,  H04L5/0092 ,  H04W52/0216 ,  H04W74/0816 ,  H04W84/12 ,  Y02D70/1222 ,  Y02D70/1224 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  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. A method for accessing the channel from a station (STA) in the wireless communication system, according to one embodiment of the present invention, comprises the steps of: receiving from an access point (AP) setting information with respect to at least one slot allowing channel access by the STA; and beginning the channel access from a slot boundary of the at least one slot, wherein the channel access may begin without a clear channel assessment (CCA).

Abstract translation: 无线通信系统技术领域本发明涉及一种无线通信系统，更具体地说，本发明涉及一种在WLAN系统中访问信道的方法和装置。 根据本发明的一个实施例，一种从无线通信系统中的站（STA）接入信道的方法包括以下步骤：从接入点（AP）接收关于至少一个允许的时隙的信息 STA的通道访问; 以及从所述至少一个时隙的时隙边界开始所述信道接入，其中所述信道接入可以在没有明确信道评估（CCA）的情况下开始。

公开(公告)号：US20150043558A1

公开(公告)日：2015-02-12

申请号：US14387505

申请日：2013-03-25

Applicant: LG Electronics Inc.

Inventor： Jinsoo Choi ,  Jeongki Kim ,  Yongho Seok ,  Seunghee Han ,  Jinsam Kwak

IPC: H04W74/08 ,  H04W74/00

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

Abstract: The present invention relates to a wireless communication system, and more particularly, to a method and an apparatus for accessing a channel in a wireless LAN system. According to one embodiment of the present invention, a method for performing channel access by a station (STA) of a wireless communication system comprises: a step of receiving, from an access point (AP), information about the time window which does not allow channel access of a traffic indication map (TIM) mode STA; and a step of performing channel access based on the time window. In the event that the STA is a non-TIM mode STA, the channel access is performed in the time window. In the event that the STA is a TIM mode STA, the channel access is performed in the time interval indicated by the TIM, excluding the time window.

Abstract translation: 无线通信系统技术领域本发明涉及一种无线通信系统，更具体地，涉及一种用于访问无线LAN系统中的信道的方法和装置。 根据本发明的一个实施例，一种用于由无线通信系统的站（STA）执行信道访问的方法包括：从接入点（AP）接收关于不允许的时间窗口的信息的步骤 业务指示图（TIM）模式STA的信道接入; 以及基于时间窗口执行频道访问的步骤。 在STA是非TIM模式STA的情况下，在时间窗口中执行信道访问。 在STA是TIM模式STA的情况下，在由TIM指示的时间间隔内执行信道访问，不包括时间窗口。

公开(公告)号：US20150036572A1

公开(公告)日：2015-02-05

申请号：US14232956

申请日：2013-09-03

Applicant: LG Electronics Inc.

Inventor： Yongho Seok

IPC: H04W52/02

CPC classification number: H04W52/0206 ,  H04L41/0613 ,  H04W52/0216 ,  H04W52/0235 ,  H04W74/06 ,  H04W84/12 ,  Y02B70/30 ,  Y02D70/00 ,  Y02D70/1222 ,  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 power save-polling (PS-Poll) frame and response frame in a wireless LAN (WLAN) system are disclosed. The method for transmitting a frame by a station (STA) in a wireless LAN (WLAN) system includes awakening at a predetermined time, and transmitting a Power Save (PS)-Poll frame to an access point (AP); and receiving information in response to the PS-Poll frame from the access point (AP), wherein information indicating an access category (AC) of the PS-Poll frame is provided from the access point (AP) to the station (STA).

Abstract translation: 公开了一种用于在无线LAN（WLAN）系统中发送和接收省电轮询（PS-Poll）帧和响应帧的方法和装置。 用于在无线LAN（WLAN）系统中由站（STA）发送帧的方法包括在预定时间唤醒，并向节点（AP）发送节电（PS） - 收费帧; 以及从接入点（AP）接收来自PS-Poll帧的信息，其中指示PS-Poll帧的接入类别（AC）的信息从接入点（AP）提供给站（STA）。

公开(公告)号：US20150029977A1

公开(公告)日：2015-01-29

申请号：US14384635

申请日：2013-03-11

Applicant: LG ELECTRONICS INC.

Inventor： Yongho Seok

IPC: H04W8/26 ,  H04W72/04

CPC classification number: H04W8/26 ,  H04W72/0406 ,  H04W76/14 ,  H04W84/12

Abstract: The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for performing MAC header compression in a wireless communication system. In a wireless communication system according to an embodiment of the present invention, a station STA may: receive information on assigning a plurality of association identifiers (AIDs) to the station STA from an access point (AP); receive, from the AP, a first frame including a medium access control (MAC) header that includes an address field set to one of the plurality of AIDs; and assign each of the plurality of AIDs by flow for the station STA.

Abstract translation: 无线通信系统技术领域本发明涉及一种无线通信系统，更具体地，涉及一种在无线通信系统中执行MAC报头压缩的方法和装置。 在根据本发明的实施例的无线通信系统中，站STA可以从接入点（AP）接收关于向站STA分配多个关联标识符（AID）的信息; 从AP接收包括介质访问控制（MAC）报头的第一帧，所述介质访问控制（MAC）报头包括设置为所述多个AID中的一个的地址字段; 并且通过流程为站STA分配多个AID中的每一个。