公开(公告)号：US09560589B2

公开(公告)日：2017-01-31

申请号：US15197024

申请日：2016-06-29

Applicant: LG Electronics Inc.

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

IPC: H04W52/02 ,  H04W74/00 ,  H04W72/12 ,  H04W4/00 ,  H04W84/12

CPC classification number: H04W52/0209 ,  H04W4/70 ,  H04W52/0216 ,  H04W52/0219 ,  H04W52/0229 ,  H04W52/0235 ,  H04W72/1289 ,  H04W74/004 ,  H04W74/08 ,  H04W84/12 ,  Y02D70/1222 ,  Y02D70/1224 ,  Y02D70/1262 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/21 ,  Y02D70/22

Abstract: The present invention relates to a wireless communication system, and more specifically, to a method and apparatus for accessing channels in a wireless LAN system. The method for accessing channels in a station (STA) of the wireless communication system according to one embodiment of the present invention comprises the steps of transmitting a first frame of a channel access request to an access point (AP); and receiving, from the AP, a second frame related to whether access to the channel is allowed in response to the first frame, wherein the second frame can include a value for a channel access start offset with respect to the 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，涉及一种用于在无线LAN系统中访问信道的方法和装置。 根据本发明的一个实施例的用于访问无线通信系统的站（STA）中的信道的方法包括以下步骤：向接入点（AP）发送信道接入请求的第一帧; 以及从所述AP接收与响应于所述第一帧是否允许对所述信道的接入相关的第二帧，其中所述第二帧可以包括相对于所述STA的信道接入开始偏移的值。

公开(公告)号：US09560576B2

公开(公告)日：2017-01-31

申请号：US14418054

申请日：2013-08-26

Applicant: LG ELECTRONICS INC.

Inventor： Giwon Park ,  Kiseon Ryu ,  Jinsoo Choi ,  Hangyu Cho ,  Jinsam Kwak

IPC: H04W74/08 ,  H04W48/06 ,  H04W84/12 ,  H04W48/12 ,  H04W74/00

CPC classification number: H04W48/06 ,  H04W48/12 ,  H04W74/006 ,  H04W74/0875 ,  H04W84/12

Abstract: A method and device for performing channel access in a wireless LAN are disclosed. An initial channel access method of a station STA in a wireless LAN may include: receiving, from an access point (AP) by the station STA, a frame including information on a channel state, information on a channel access protection section and information on a station STA capable of performing channel access in the channel access protection section; determining a channel access priority by a station STA when the information on the channel state indicates that a wireless link is in a congestion state; and performing initial channel access in the channel access protection section based on the channel access priority determined by the station STA and the information on the station STA capable of performing channel access in the channel access protection section.

Abstract translation: 公开了一种用于在无线LAN中执行信道接入的方法和装置。 无线LAN中的站STA的初始信道接入方法可以包括：从站STA的接入点（AP）接收包括关于信道状态的信息的帧，关于信道访问保护部分的信息和关于信道访问保护部分的信息 能够在信道接入保护部分中执行信道接入的台站STA; 当关于信道状态的信息指示无线链路处于拥塞状态时，由站STA确定信道接入优先级; 并且基于由站STA确定的信道访问优先级和能够在信道访问保护部分中执行信道访问的站STA的信息，在信道接入保护部分中执行初始信道接入。

公开(公告)号：US09544849B2

公开(公告)日：2017-01-10

申请号：US14395306

申请日：2013-04-18

Applicant: LG Electronics Inc.

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

IPC: G08C17/00 ,  H04W52/02

CPC classification number: H04W52/0225 ,  H04W52/0216 ,  H04W52/0229 ,  Y02B70/30 ,  Y02D70/00 ,  Y02D70/1222 ,  Y02D70/1224 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/21 ,  Y02D70/22

Abstract: One embodiment of the present invention relates to a method for transmitting a signal of a station (STA) operable in a power saving mode in a wireless communication system, and the method for transmitting a signal comprises a step of transmitting a PS-Poll frame and/or a trigger frame according to a first time period, wherein an integrated scaling factor is applied to the first time period, and the integrated scaling factor is also commonly applied to a second time period in which the STA can omit frame transmission by maintaining an association state with an access point (AP).

Abstract translation: 本发明的一个实施例涉及一种用于在无线通信系统中以省电模式操作的站（STA）的信号发送方法，并且用于发送信号的方法包括发送PS-Poll帧和 /或根据第一时间段的触发帧，其中在第一时间段应用积分缩放因子，并且综合缩放因子也通常应用于STA可以通过维持一个或多个第二时间段来省略帧传输的第二时间段 与接入点（AP）的关联状态。

公开(公告)号：US09544836B2

公开(公告)日：2017-01-10

申请号：US14398608

申请日：2013-05-09

Applicant: LG Electronics Inc.

Inventor： Giwon Park ,  Kiseon Ryu ,  Hangyu Cho ,  Jinsam Kwak

IPC: H04W4/00 ,  H04W48/16 ,  H04W88/08 ,  H04W84/12

CPC classification number: H04W48/16 ,  H04W84/12 ,  H04W88/08

Abstract: Disclosed are a scanning method and a scanning apparatus. The scanning method for a station (STA) comprises the steps of: transmitting a probe request frame including a scanning priority for a plurality of access points (APs); and sequentially monitoring for the reception of a probe response frame, which is a response to the probe request frame, from at least one of the plurality of Aps for the plurality of APs on the basis of the scanning priority. Thus, scanning processes can be quickly performed.

Abstract translation: 公开了一种扫描方法和扫描装置。 站（STA）的扫描方法包括以下步骤：发送包括多个接入点（AP）的扫描优先级的探测请求帧; 根据扫描优先顺序从多个AP的多个Ap中的至少一个依次监视作为对探测请求帧的响应的探测响应帧的接收。 因此，可以快速执行扫描处理。

公开(公告)号：US09521609B2

公开(公告)日：2016-12-13

申请号：US14421416

申请日：2013-08-13

Applicant: LG ELECTRONICS INC.

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

IPC: H04W4/00 ,  H04W48/16 ,  H04W48/14 ,  H04W48/20 ,  H04W84/12

CPC classification number: H04W48/16 ,  H04W48/14 ,  H04W48/20 ,  H04W84/12 ,  H04W88/08

Abstract: The present invention relates to a method and a device for updating system information in a wireless LAN system. A method for updating system information in a station (STA) of a wireless communication system may comprise transmitting, by the STA which stores system information and a configuration change count value of a previously linked preferred access point (AP), a probe request frame for active scanning to the preferred AP; and receiving a probe response frame from the preferred AP. Preferably, the probe request frame includes a configuration change count field previously acquired from the preferred AP, and if a value of the configuration change count field included in the probe request frame is different from a present configuration change count value of the preferred AP, the probe response frame may include one or more elements of system information which should be updated by the STA.

Abstract translation: 本发明涉及一种在无线LAN系统中更新系统信息的方法和装置。 用于更新无线通信系统的站（STA）中的系统信息的方法可以包括由存储系统信息的STA和先前链接的优选接入点（AP）的配置改变计数值来发送用于 主动扫描到首选AP; 并从优选AP接收探测响应帧。 优选地，探测请求帧包括先前从优选AP获取的配置改变计数字段，并且如果探测请求帧中包括的配置改变计数字段的值与优选AP的当前配置改变计数值不同，则 探测响应帧可以包括应由STA更新的系统信息的一个或多个元素。

公开(公告)号：US09491700B2

公开(公告)日：2016-11-08

申请号：US14376025

申请日：2013-01-30

Applicant: LG ELECTRONICS, INC.

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

IPC: H04W52/02 ,  H04W84/12

CPC classification number: H04W52/0225 ,  H04W84/12 ,  Y02D70/142 ,  Y02D70/21 ,  Y02D70/22

Abstract: The present invention relates to a method by which a station (STA) which operates in power save mode in a wireless LAN system transmits and receives frames. The method includes the steps of: obtaining a channel access authority on the basis of at least one slot time, wherein each slot time is the unit time when a channel is maintained in an idle state for a channel access by the STA; transmitting a power save (PS) poll frame requesting the transmission of a buffered frame to an access point (AP); and receiving a response frame from the AP in response to the PS poll frame. The length of each slot time is set to be longer than the transmission time of the PS poll frame.

Abstract translation: 本发明涉及一种在无线LAN系统中以省电模式操作的站（STA）发送和接收帧的方法。 该方法包括以下步骤：基于至少一个时隙时间获得信道接入权限，其中每个时隙时间是当信道被维持在空闲状态以由STA进行信道接入时的单位时间; 发送请求传输缓冲帧到接入点（AP）的省电（PS）轮询帧; 以及响应于所述PS轮询帧从所述AP接收响应帧。 每个时隙时间的长度设置为长于PS轮询帧的传输时间。

公开(公告)号：US09485731B2

公开(公告)日：2016-11-01

申请号：US14398016

申请日：2013-04-30

Applicant: LG Electronics Inc.

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

IPC: H04L12/28 ,  H04W52/02 ,  H04W74/08 ,  H04W74/04 ,  H04W84/12

CPC classification number: H04W52/0225 ,  H04W52/0216 ,  H04W74/04 ,  H04W74/08 ,  H04W84/12 ,  Y02D70/1222 ,  Y02D70/1224 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/168 ,  Y02D70/21 ,  Y02D70/22

Abstract: According to one embodiment of the present invention, a method for performing a channel access by a station (STA) in a wireless communication system comprises the steps of: transmitting a first frame for a channel access request to an access point (AP); and receiving a second frame, which is a response to the channel access request, from the AP, wherein the first frame includes information indicating whether or not uplink data of the STA is present.

Abstract translation: 根据本发明的一个实施例，一种用于在无线通信系统中由站（STA）执行信道接入的方法包括以下步骤：向接入点（AP）发送用于信道接入请求的第一帧; 以及从所述AP接收作为对所述信道接入请求的响应的第二帧，其中，所述第一帧包括指示所述STA的上行链路数据是否存在的信息。

公开(公告)号：US09451644B2

公开(公告)日：2016-09-20

申请号：US14380671

申请日：2013-03-29

Applicant: LG ELECTRONICS INC.

Inventor： Kiseon Ryu ,  Jinsam Kwak ,  Giwon Park

IPC: H04W76/02 ,  H04W48/16 ,  H04W72/04 ,  H04W56/00 ,  H04W48/12 ,  H04W74/00 ,  H04W88/08

CPC classification number: H04W76/02 ,  H04W48/12 ,  H04W48/16 ,  H04W56/001 ,  H04W72/0446 ,  H04W74/006 ,  H04W76/10 ,  H04W88/08

Abstract: The present invention is directed to a wireless communication system. Specifically, the present invention is directed to a method of performing a procedure for link-setup and an apparatus therefore, wherein the method comprises: receiving a probe request frame including time information via a channel, wherein the time information indicates at least one of a minimum scan time for the channel and a maximum scan time for the channel; and performing a procedure for transmitting a probe response frame after receipt of the probe request frame, wherein if a beacon transmission time occurs within a time given based on the time information, transmission of the probe response frame is omitted.

Abstract translation: 本发明涉及无线通信系统。 具体地说，本发明涉及一种执行链路建立的过程的方法及装置，其特征在于，所述方法包括：经由信道接收包括时间信息的探测请求帧，其中所述时间信息表示 通道的最小扫描时间和通道的最大扫描时间; 以及执行在接收到所述探测请求帧之后发送探测响应帧的过程，其中如果在基于所述时间信息给出的时间内发生信标发送时间，则省略所述探测响应帧的发送。

公开(公告)号：US09439136B2

公开(公告)日：2016-09-06

申请号：US14405749

申请日：2013-07-11

Applicant: LG Electronics Inc.

Inventor： Giwon Park ,  Jinsam Kwak ,  Kiseon Ryu

IPC: H04L5/14 ,  H04B7/00 ,  H04J3/16 ,  H04J3/24 ,  H04W48/16 ,  H04W8/00 ,  H04W52/02 ,  H04W72/04 ,  H04W88/00 ,  H04W48/00 ,  H04W80/10 ,  H04W80/12 ,  H04W84/12 ,  H04W88/06

CPC classification number: H04W48/16 ,  H04W8/005 ,  H04W48/00 ,  H04W52/0216 ,  H04W52/0229 ,  H04W72/0446 ,  H04W80/10 ,  H04W80/12 ,  H04W84/12 ,  H04W88/00 ,  H04W88/06 ,  Y02D70/00 ,  Y02D70/142 ,  Y02D70/22

Abstract: A method and an apparatus for scanning in a wireless LAN are disclosed. The method for scanning in a wireless LAN comprises the steps of: enabling a station (STA) to receive, from a first access point (AP) operated in a first channel, a detection frame comprising identifier information of a second AP operated in a second channel and beacon frame transmission time information of the second AP, and enabling the STA to scan a beacon frame of the second AP on the basis of the beacon frame transmission time information of the second AP. Thus, the present invention can rapidly perform a scanning operation.

Abstract translation: 公开了一种用于在无线LAN中进行扫描的方法和装置。 用于在无线LAN中扫描的方法包括以下步骤：使站（STA）能够从在第一信道中操作的第一接入点（AP）接收包括在第二信道中操作的第二AP的标识符信息的检测帧 信道和信标帧传输时间信息，并且使STA能够基于第二AP的信标帧发送时间信息来扫描第二AP的信标帧。 因此，本发明可以快速地执行扫描操作。

公开(公告)号：US09319902B2

公开(公告)日：2016-04-19

申请号：US14420611

申请日：2013-08-09

Applicant: LG ELECTRONICS INC.

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

IPC: H04W4/00 ,  H04W24/02 ,  H04W76/02 ,  H04W84/12 ,  H04W88/08

CPC classification number: H04W24/02 ,  H04W76/19 ,  H04W84/12 ,  H04W88/08

Abstract: The invention relates to a method for receiving a downlink signal from an access point (AP) by a station (STA) in a wireless communication system, comprising the steps of: transmitting an uplink frame; and receiving a response frame as a response to the uplink frame. A terminal performs a re-association with the AP when it is recognized, via the response frame, that the AP has been restarted.

Abstract translation: 本发明涉及一种在无线通信系统中由站（STA）从接入点（AP）接收下行链路信号的方法，包括以下步骤：发送上行链路帧; 以及接收响应帧作为对所述上行链路帧的响应。 当通过响应帧识别出AP被重新启动时，终端与AP进行重新关联。