公开(公告)号：US09455857B2

公开(公告)日：2016-09-27

申请号：US14378117

申请日：2013-01-29

Applicant: LG Electronics Inc.

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

IPC: H04W4/00 ,  H04L27/26 ,  H04L25/03 ,  H04L25/02 ,  H04W84/12 ,  H04W88/08

CPC classification number: H04L27/2613 ,  H04L25/0226 ,  H04L25/03866 ,  H04W84/12 ,  H04W88/08

Abstract: Provided is a method for transmitting a data unit performed by a transmitter in a wireless LAN system. The method comprises: generating a data unit, wherein the data unit includes a data field which contains data to be transmitted by a transmitter; generating at least one data symbol for the data field; and transmitting the at least one data symbol, wherein two pilot tones are inserted into each data symbol, and pilot values and scrambling values are applied to the pilot tones.

Abstract translation: 提供一种用于在无线LAN系统中发送由发射机执行的数据单元的方法。 该方法包括：产生数据单元，其中数据单元包括包含要由发射机发送的数据的数据字段; 为数据字段生成至少一个数据符号; 以及发送所述至少一个数据符号，其中两个导频音被插入到每个数据符号中，并且导频值和加扰值被应用于导频音调。

公开(公告)号：US09451537B2

公开(公告)日：2016-09-20

申请号：US14398566

申请日：2013-05-10

Applicant: LG ELECTRONICS INC.

Inventor： Kiseon Ryu ,  Giwon Park ,  Jinsam Kwak

IPC: H04W48/16 ,  H04W74/08 ,  H04W84/12

CPC classification number: H04W48/16 ,  H04W74/08 ,  H04W84/12

Abstract: Disclosed are a scanning method and scanning apparatus in a wireless LAN. The scanning method in a wireless LAN comprises: a step in which an access point (AP) receives a first probe request frame from a first station (STA); a step in which the AP unicasts a first probe response frame to the first STA as a response to the first probe request frame; a step in which the AP receives a second probe request frame from a second STA for a specific time interval after unicasting the first probe response frame to the first STA; and a step in which the AP broadcasts a second probe response frame as a response to the second probe request frame for a specific time interval. Thus, scanning processes can be quickly performed.

Abstract translation: 公开了一种无线LAN中的扫描方法和扫描装置。 无线LAN中的扫描方法包括：接入点（AP）从第一站（STA）接收第一探测请求帧的步骤; 所述AP将所述第一探测响应帧单播到所述第一STA，作为对所述第一探测请求帧的响应; 所述AP在将所述第一探测响应帧单播到所述第一STA之后，从所述第二STA接收到特定时间间隔的第二探测请求帧的步骤; 以及AP在特定时间间隔内广播作为对第二探测请求帧的响应的第二探测响应帧的步骤。 因此，可以快速执行扫描处理。

公开(公告)号：US09433022B2

公开(公告)日：2016-08-30

申请号：US14378914

申请日：2013-02-14

Applicant: LG ELECTRONICS INC.

Inventor： Giwon Park ,  Jaehyung Song ,  Jinsam Kwak ,  Kiseon Ryu

IPC: H04W76/02 ,  H04W48/06 ,  H04W48/14 ,  H04W48/16 ,  H04W48/10 ,  H04W84/12

CPC classification number: H04W76/10 ,  H04W4/24 ,  H04W8/005 ,  H04W48/06 ,  H04W48/10 ,  H04W48/14 ,  H04W48/16 ,  H04W84/12

Abstract: The present invention relates to a wireless communication system, and more specifically, disclosed are a method and an apparatus for filtering-based scanning in a WLAN system. A method for a station (STA) setting up a high-speed link in the wireless communication system, according to one embodiment of the present invention, comprises the steps of: transmitting a first frame comprising filtering information to at least one access point (AP); and receiving a second frame from a portion or all of the at least one AP, wherein whether to transmit the second frame can be determined on the basis of the filtering information.

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系统中进行基于过滤的扫描的方法和装置。 根据本发明的一个实施例的用于在无线通信系统中建立高速链路的站（STA）的方法包括以下步骤：将包括过滤信息的第一帧发送到至少一个接入点（AP ）; 以及从所述至少一个AP的一部分或全部接收第二帧，其中是否可以基于所述过滤信息来确定是否发送所述第二帧。

公开(公告)号：US09370022B2

公开(公告)日：2016-06-14

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 ,  H04W52/02 ,  H04W48/12 ,  H04W12/12 ,  H04W72/04 ,  H04W84/12

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：US09369972B2

公开(公告)日：2016-06-14

申请号：US14569503

申请日：2014-12-12

Applicant: LG ELECTRONICS INC.

Inventor： Inuk Jung ,  Jinsam Kwak ,  Kiseon Ryu ,  Wookbong Lee

IPC: H04W36/00 ,  H04B7/00 ,  H04W4/00 ,  H04B7/185 ,  H04W52/38 ,  H04W52/40 ,  H04W56/00 ,  H04W52/14

CPC classification number: H04W52/283 ,  H04L5/0007 ,  H04W36/0072 ,  H04W52/146 ,  H04W52/38 ,  H04W52/40 ,  H04W56/00 ,  H04W56/001 ,  H04W72/048

Abstract: The present invention relates to a broadband wireless access system, and more particularly, to a method for efficiently determining power for ranging performed by a terminal on a target base station or a target region during handover or during changing of a region. A method for controlling uplink power for network reentry of a terminal from a first region to a second region in a broadband wireless access system, according to an embodiment of the present invention, comprises the steps of: receiving a media access control (MAC) management message including a power control parameter that is to be applied to the second region from the first region; and performing ranging to the second region by applying the power control parameter.

公开(公告)号：US09357518B2

公开(公告)日：2016-05-31

申请号：US14380345

申请日：2013-01-30

Applicant: LG ELECTRONICS INC.

Inventor： Jinyoung Chun ,  Suhwook Kim ,  Jinho Kim ,  Wookbong Lee ,  Jinsam Kwak

IPC: H04W60/00 ,  H04W16/14 ,  H04W48/10 ,  H04W88/06

CPC classification number: H04W60/00 ,  H04W16/14 ,  H04W48/10 ,  H04W88/06

Abstract: Provided is a method for registering TVWS devices for coexistence of television white space (TVWS) devices in a television white space (TVWS), the method performed a server and comprising receiving a registration request message for registration or update registration of at least one TVWS device from at least one management device; performing the registration or update registration of at least one TVWS device; and in response to the registration request message, transmitting a registration response message to the at least one management device, wherein the registration response message includes at least one of an identifier field of an interface device connected to the at least one TVWS device, a status field indicating a result of the registration or the update registration, and a reason field indicating a reason why the registration or the update registration is failed if the registration or the update registration is failed.

Abstract translation: 提供了一种用于在电视空白（TVWS）中注册用于电视白色空间（TVWS）设备共存的TVWS设备的方法，所述方法执行服务器，并且包括：接收注册请求消息以用于至少一个TVWS设备的注册或更新注册 从至少一个管理设备; 执行至少一个TVWS设备的注册或更新注册; 并且响应于所述注册请求消息，向所述至少一个管理设备发送注册响应消息，其中所述注册响应消息包括连接到所述至少一个TVWS设备的接口设备的标识符字段中的至少一个，状态 指示注册结果或更新注册的字段，以及指示注册或更新注册失败的原因的原因字段，如果注册或更新注册失败。

公开(公告)号：US20150222447A1

公开(公告)日：2015-08-06

申请号：US14424928

申请日：2013-09-13

Applicant: LG ELECTRONICS INC.

Inventor： Giwon Park ,  Kiseon Ryu ,  Jinsam Kwak

IPC: H04L12/18 ,  H04L5/00 ,  H04W4/06

CPC classification number: H04L12/189 ,  H04L5/0044 ,  H04L5/0053 ,  H04W4/06 ,  H04W48/16 ,  H04W84/12

Abstract: Disclosed are a method and an apparatus for scanning in a wireless LAN. A method for scanning by a station (STA) can comprise the steps of: the STA generating a MAC layer management entity (MLME).SCAN.request.primitive comprising information for a basic service set identifier (BSSID) and a service set identifier (SSID); the STA generating a probe request frame comprising wildcard BSSID and SSID; the STA multi-casting the probe request frame to a first AP forming an extended service set (ESS) network using a particular SSID; and the STA receiving a probe response frame broadcast from the first AP as a response to the probe request frame.

Abstract translation: 公开了一种用于在无线LAN中进行扫描的方法和装置。 一种用于由站（STA）扫描的方法可以包括以下步骤：STA生成MAC层管理实体（MLME）.SCAN请求包括用于基本服务集标识符（BSSID）和服务集标识符 SSID）; 所述STA生成包括通配符BSSID和SSID的探测请求帧; STA将探测请求帧多播到使用特定SSID形成扩展服务集（ESS）网络的第一AP; STA接收从第一AP广播的探测响应帧作为对探测请求帧的响应。

公开(公告)号：US20150208330A1

公开(公告)日：2015-07-23

申请号：US14419434

申请日：2013-08-08

Applicant: LG ELECTRONICS INC.

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

IPC: H04W48/16 ,  H04W76/02

CPC classification number: H04W48/16 ,  H04W76/10 ,  H04W84/12

Abstract: A scanning method and apparatus in wireless LAN is disclosed. The method comprises determining, by an access point (AP), whether to accommodate a station (STA) conducting an initial link setup and transmitting, by the AP, a frame to the STA, the frame including scanning redirection information for the STA to switch other channel, other band, or a neighbor AP when the AP determines not to accommodate the STA. The scanning redirection information includes a band field and a channel field. The band field indicating a band in which the STA conducts the initial link setup when the STA conducts the initial link setup from current band to the other band. The channel field indicating a channel in which the STA conducts the initial link setup when the STA conducts the initial link setup from current channel to the other channel.

Abstract translation: 公开了一种无线LAN中的扫描方法和装置。 该方法包括由接入点（AP）确定是否容纳进行初始链路建立的站（STA），并由AP向STA发送一帧到该STA，该帧包括STA切换的扫描重定向信息 当AP确定不适应STA时，其他信道，其他频带或邻居AP。 扫描重定向信息包括带场和信道字段。 指示当STA进行从当前频带到另一频带的初始链路建立时STA进行初始链路建立的频带的频带域。 指示当STA进行从当前信道到另一个信道的初始链路建立时STA进行初始链路建立的信道的信道字段。

公开(公告)号：US20150172996A1

公开(公告)日：2015-06-18

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: H04W48/06 ,  H04W48/12 ,  H04W74/08 ,  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：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。