公开(公告)号：US20150365943A1

公开(公告)日：2015-12-17

申请号：US14833646

申请日：2015-08-24

Applicant: LG Electronics Inc.

Inventor： Yongho Seok

IPC: H04W72/04 ,  H04W4/00

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：US20150245282A1

公开(公告)日：2015-08-27

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: H04W48/16

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：US20150230245A1

公开(公告)日：2015-08-13

申请号：US14428109

申请日：2013-09-26

Applicant: LG ELECTRONICS INC.

Inventor： Jinsoo Choi ,  Jeongki Kim ,  Giwon Park ,  Yongho Seok

IPC: H04W72/04 ,  H04W4/00 ,  H04W76/06 ,  H04W74/08

CPC classification number: H04W72/0446 ,  H04L29/08333 ,  H04L29/08396 ,  H04W4/70 ,  H04W12/06 ,  H04W12/08 ,  H04W28/18 ,  H04W74/0808 ,  H04W74/0816 ,  H04W74/0833 ,  H04W76/19 ,  H04W76/38 ,  H04W84/12 ,  H04W84/18 ,  H04W88/08

Abstract: A method for gaining access according to one embodiment of the present invention in which a station (STA) gains access to a medium in wireless communication system comprises the steps of: sensing a carrier wave for a medium so as to transmit a set frame; and, if the medium is busy, executing a random back-off procedure, wherein the starting point of the random back-off procedure is indicated by a second parameter randomly selected from within a range in accordance with a first parameter.

Abstract translation: 根据本发明的一个实施例的用于获取接入的方法，其中站（STA）获取对无线通信系统中的介质的访问包括以下步骤：感测媒体的载波以便发送设置的帧; 并且如果介质忙，则执行随机退避过程，其中随机退避过程的起点由根据第一参数的范围内随机选择的第二参数指示。

公开(公告)号：US20150215867A1

公开(公告)日：2015-07-30

申请号：US14426660

申请日：2013-09-17

Applicant: LG ELECTRONICS INC.

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

IPC: H04W52/02 ,  H04W72/04 ,  H04W4/00

CPC classification number: H04W52/0216 ,  H04W4/70 ,  H04W48/14 ,  H04W72/04 ,  H04W72/0413 ,  H04W84/12 ,  H04W84/14 ,  Y02D70/1222 ,  Y02D70/1224 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/168 ,  Y02D70/21 ,  Y02D70/22

Abstract: Disclosed are a method and an apparatus for updating a listen interval in a wireless communication system. To this end, a method for updating a listen interval by a station (STA) of a wireless communication system may comprise, if an operation mode of the station is changed, a request frame including information indicating that the operation mode of the station is changed, to an access point (AP); and receiving a response frame in response to the request frame from the AP. If a value of a listen interval of the station is changed as the operation mode of the station is changed, the request frame further include a value of a new listen interval of the station.

Abstract translation: 公开了一种用于更新无线通信系统中的监听间隔的方法和装置。 为此，用于通过无线通信系统的站（STA）更新监听间隔的方法可以包括：如果站的操作模式改变，则包括指示站的操作模式改变的信息的请求帧 ，到接入点（AP）; 以及响应于来自AP的请求帧而接收响应帧。 如果站的监听间隔的值随着站的操作模式改变而改变，则请求帧还包括站的新的监听间隔的值。

公开(公告)号：US20150124784A1

公开(公告)日：2015-05-07

申请号：US14394185

申请日：2013-04-15

Applicant: LG Electronics Inc.

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

IPC: H04W74/04

CPC classification number: H04W74/04 ,  H04W72/02 ,  H04W74/0808

Abstract: One embodiment of the present invention is a method for performing channel access using a first station (STA) in a wireless communication system, comprising: a step of receiving a traffic indication map (TIM) bitmap; and a step of attempting channel access for a wireless medium in a first time period indicated by the first TIM bitmap. The first STA attempts channel access for the wireless medium in a third time period which is one of the second time periods indicated by the TIM bitmap in the event that the first STA senses an operation of a second STA relating to the wireless medium in the first time period.

Abstract translation: 本发明的一个实施例是一种在无线通信系统中使用第一站（STA）执行信道接入的方法，包括：接收业务指示映射（TIM）位图的步骤; 以及在由第一TIM位图指示的第一时间段内尝试针对无线介质的信道接入的步骤。 第一STA在第三时间段内尝试针对无线介质的信道接入，该第三时间段是由TIM位图指示的第二时间段之一，在第一STA检测到与第一STA中的无线介质相关的第二STA的操作的情况下 时间段。

公开(公告)号：US20150078229A1

公开(公告)日：2015-03-19

申请号：US14389581

申请日：2013-04-01

Applicant: LG Electronics Inc.

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

IPC: H04W74/00 ,  H04W52/02

CPC classification number: H04W74/002 ,  H04W52/0216 ,  H04W52/0241 ,  H04W56/001 ,  H04W76/28 ,  H04W84/12 ,  Y02D70/1222 ,  Y02D70/1224 ,  Y02D70/124 ,  Y02D70/1262 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/168 ,  Y02D70/21 ,  Y02D70/22

Abstract: The present invention relates to a wireless communication system, and more specifically discloses a method and an apparatus for transceiving a beacon in a wireless LAN system. A method for receiving a beacon from a station (STA) in a wireless communication system according to one embodiment of the present invention comprises the steps of: receiving a probe response frame from an access point (AP); determining the time at which the next beacon is to be received by means of information regarding the next beacon contained in the probe response frame; and receiving the next beacon at the time determined for receiving the next beacon.

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，公开了一种在无线LAN系统中收发信标的方法和装置。 根据本发明的一个实施例的在无线通信系统中从站（STA）接收信标的方法包括以下步骤：从接入点（AP）接收探测响应帧; 通过关于包含在探测响应帧中的下一个信标的信息来确定下一个信标的接收时间; 并在为接收下一个信标确定的时间接收下一个信标。

公开(公告)号：US20150063233A1

公开(公告)日：2015-03-05

申请号：US14379996

申请日：2013-02-28

Applicant: LG ELECTRONICS, INC.

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

IPC: H04W72/04 ,  H04W88/08

CPC classification number: H04W72/0446 ,  H04W52/0216 ,  H04W74/002 ,  H04W74/06 ,  H04W84/12 ,  H04W88/08 ,  Y02D70/1224 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/21 ,  Y02D70/22

Abstract: Disclosed is a method for setting a service period (SP) of a station (STA) in a wireless communication system and an apparatus for supporting the method. More particularly, the method comprises a step of transmitting a trigger frame to an access point (AP) and starting the service period. The trigger frame may be a data frame that includes data to be transmitted to the AP or a null frame for triggering the data transmission of the AP.

Abstract translation: 公开了一种用于在无线通信系统中设置站（STA）的服务周期（SP）的方法和用于支持该方法的装置。 更具体地，该方法包括将触发帧发送到接入点（AP）并开始服务周期的步骤。 触发帧可以是包括要发送到AP的数据或用于触发AP的数据传输的空帧的数据帧。

公开(公告)号：US20150009879A1

公开(公告)日：2015-01-08

申请号：US14378745

申请日：2013-02-15

Applicant: LG ELECTRONICS INC.

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

IPC: H04W52/02 ,  H04W74/00

CPC classification number: H04W52/0235 ,  H04L1/1614 ,  H04L1/1685 ,  H04W52/0216 ,  H04W74/002 ,  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: A channel access method in a wireless communication system and an apparatus for supporting the same are disclosed. Particularly, the method comprises the steps of: transmitting a beacon frame containing a traffic indication map (TIM); and receiving a power pave (PS)-poll frame within a PS-Poll section set in a station (STA), to which downlink data is designated by the TIM, from the STA, wherein the PS-Poll section can be set differently for each STA within the entire PS-Poll section set in all STAs, to which downlink data is designated by the TIM.

Abstract translation: 公开了一种无线通信系统中的信道接入方法及其辅助装置。 特别地，该方法包括以下步骤：发送包含交通指示图（TIM）的信标帧; 以及在STA中设置的PS-Poll部分内接收由STA指定下行链路数据的功率铺路（PS） - 帧，其中PS-Poll部分可以针对 在所有STA中设置的整个PS-Poll部分内的每个STA，由TIM指定的下行链路数据。

公开(公告)号：US20150009878A1

公开(公告)日：2015-01-08

申请号：US14374433

申请日：2013-02-04

Applicant: LG ELECTRONICS INC.

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

IPC: H04W74/00 ,  H04W52/02

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：US20150003367A1

公开(公告)日：2015-01-01

申请号：US14376565

申请日：2013-02-05

Applicant: LG Electronics Inc.

Inventor： Yongho Seok

IPC: H04W74/00

CPC classification number: H04W74/04 ,  H04W52/0235 ,  H04W74/002 ,  H04W74/006 ,  H04W84/12 ,  Y02D70/1222 ,  Y02D70/1224 ,  Y02D70/124 ,  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 to a method and an apparatus for channel access via a null data packet frame in a wireless LAN system. A method for channel access 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), configuration information for one or more slots for channel access; transmitting a first frame from a particular slot from among the one or more slots; and receiving, from the AP, a second frame responding to the first frame, wherein the first frame can be a null data packet (NDP) frame.

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系统中经由空数据分组帧进行信道接入的方法和装置。 根据本发明的一个实施例的用于在无线通信系统中的来自站（STA）的信道接入的方法包括以下步骤：从接入点（AP）接收用于信道接入的一个或多个时隙的配置信息; 从所述一个或多个时隙中的特定时隙发送第一帧; 以及从所述AP接收响应于所述第一帧的第二帧，其中所述第一帧可以是空数据分组（NDP）帧。