公开(公告)号：US09544161B2

公开(公告)日：2017-01-10

申请号：US14424928

申请日：2013-09-13

Applicant: LG ELECTRONICS INC.

Inventor： Giwon Park ,  Kiseon Ryu ,  Jinsam Kwak

IPC: H04W4/00 ,  H04L12/18 ,  H04W48/16 ,  H04L5/00 ,  H04W4/06 ,  H04W84/12

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 Local Area Network (LAN). A method for scanning by a station (STA) comprises the steps of: the STA generating a Medium Access Control (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 Access Point (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局域网（LAN）中扫描的方法和装置。 一种用于由站（STA）扫描的方法包括以下步骤：STA生成包括用于基本服务集标识符（BSSID）和服务的信息的媒体接入控制（MAC）层管理实体（MLME）-SCAN请求原语 设置标识符（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）网络的第一接入点（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：US09521694B2

公开(公告)日：2016-12-13

申请号：US14406444

申请日：2013-06-18

Applicant: LG ELECTRONICS INC.

Inventor： Giwon Park ,  Kiseon Ryu ,  Jinsam Kwak

IPC: H04W74/08 ,  H04W76/00 ,  H04W48/12 ,  H04W84/12 ,  H04W28/18 ,  H04W48/20

CPC classification number: H04W74/0875 ,  H04W28/18 ,  H04W48/12 ,  H04W48/20 ,  H04W74/08 ,  H04W76/00 ,  H04W84/12

Abstract: Disclosed are a method and an apparatus for initial access distribution over a wireless LAN. A method for an initial access by a station (STA) comprises: a step in which the STA receives a fast initial link setup (FILS) backoff parameter from an access point (AP); and a step in which the STA implements a backoff procedure by using the final FILS backoff parameter determined on the basis of the FILS backoff parameter and an access category of the data to be transmitted by the STA. Accordingly, the initial access of the STA can be distributed.

Abstract translation: 公开了一种用于通过无线LAN初始访问分配的方法和装置。 一种用于站（STA）的初始接入的方法包括：STA从接入点（AP）接收快速初始链路建立（FILS）退避参数的步骤; 以及STA通过使用基于FILS退避参数确定的最终FILS退避参数和要由STA发送的数据的访问类别来实现退避过程的步骤。 因此，可以分发STA的初始接入。

公开(公告)号：US09510324B2

公开(公告)日：2016-11-29

申请号：US14373093

申请日：2013-01-18

Applicant: LG Electronics Inc.

Inventor： Wookbong Lee ,  Seunghee Han ,  Suhwook Kim ,  Yongho Seok ,  Jinsam Kwak ,  Jinyoung Chun ,  Jaehyung Song

IPC: H04W72/02 ,  H04W16/14 ,  H04W48/16 ,  H04W84/12

CPC classification number: H04W72/02 ,  H04W16/14 ,  H04W48/16 ,  H04W72/08 ,  H04W84/12

Abstract: Disclosed are a method for setting an operating channel in a white space band and a device therefor. Particularly, a method for enabling a first device to set an operating channel in a white space band comprises the steps of: acquiring information on an available TV channel from a geo-location database; and setting an operating channel on the basis of the information on the available TV channel, wherein a center frequency of the operating channel can be set differently according to a TV channel used by an incumbent device among TV channels adjacent to the TV channel on which the operating channel is set.

Abstract translation: 公开了一种用于设置白色空间频带中的操作信道的方法及其装置。 特别地，一种使第一设备能够在白色空间频段中设置操作信道的方法包括以下步骤：从地理位置数据库获取关于可用TV频道的信息; 并且根据可用TV频道上的信息来设置操作频道，其中可以根据现有设备在与TV频道相邻的TV频道中使用的TV频道不同地设置操作频道的中心频率，其中， 操作通道设置。

公开(公告)号：US09503967B2

公开(公告)日：2016-11-22

申请号：US14424921

申请日：2013-09-11

Applicant: LG ELECTRONICS INC.

Inventor： Giwon Park ,  Kiseon Ryu ,  Jinsam Kwak

IPC: H04W4/00 ,  H04W48/16 ,  H04L5/00 ,  H04W84/12 ,  H04W88/08

CPC classification number: H04W48/16 ,  H04L5/0055 ,  H04W84/12 ,  H04W88/08

Abstract: A method for scanning by a STA can comprise the steps of: the STA unicasting a probe request frame to a target AP from a first channel, the target AP having been determined in accordance with a BSSID comprised in a primitive; the STA processing an ACK transmitted via the first channel within a first ACK transmission time, and determining whether the first ACK for the probe request frame is received; if the first ACK is received within the first ACK transmission time, then the STA monitoring a probe response frame, which is a response to the probe request frame from the first channel; and if the first ACK is not received within the first ACK transmission time, then regardless of a CCA level detected during the first ACK transmission time, the STA switching the scanning channel.

Abstract translation: STA的扫描方法可以包括以下步骤：STA从第一信道向目标AP单播探测请求帧，目标AP已经根据包含在原语中的BSSID确定; 所述STA处理在第一ACK传输时间内经由所述第一信道发送的ACK，并且确定是否接收到所述探测请求帧的所述第一ACK; 如果在第一ACK传输时间内接收到第一ACK，则STA监测作为对来自第一信道的探测请求帧的响应的探测响应帧; 并且如果在第一ACK传输时间内没有接收到第一ACK，则无论在第一ACK传输时间期间检测到CCA级别，STA切换扫描信道。

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：US09380550B2

公开(公告)日：2016-06-28

申请号：US14381937

申请日：2013-02-01

Applicant: LG ELECTRONICS INC.

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

IPC: H04W60/02 ,  H04W16/14 ,  H04W24/08 ,  H04W76/04 ,  H04W48/10 ,  H04W88/06

CPC classification number: H04W60/02 ,  H04W16/14 ,  H04W24/08 ,  H04W48/10 ,  H04W76/20 ,  H04W88/06

Abstract: A method for checking availability of one of Television White Space (TVWS) devices by a management device for managing the TVWS devices to co-exist in a TVWS according to one embodiment of the present invention can comprise the following steps: receiving a registration request message for registering the TVWS device or updating the registration of the TVWS device from the TVWS device; registering the TVWS device or updating the registration of the TVWS device; transmitting a check request message for checking the availability of the TVWS device to the TVWS device after registering the TVWS device or updating the registration of the TVWS device, the check request message including a time parameter; and determining the availability of the TVWS device on the basis of the time parameter.

Abstract translation: 根据本发明的一个实施例，用于通过用于管理TVWS设备的TVWS设备共存的管理设备检查电视空白（TVWS）设备之一的可用性的方法可以包括以下步骤：接收注册请求消息 用于注册TVWS设备或从TVWS设备更新TVWS设备的注册; 注册TVWS设备或更新TVWS设备的注册; 在注册所述TVWS设备或更新所述TVWS设备的注册之后，向所述TVWS设备发送用于检查所述TVWS设备的可用性的检查请求消息，所述检查请求消息包括时间参数; 并根据时间参数确定TVWS设备的可用性。

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：US20150230162A1

公开(公告)日：2015-08-13

申请号：US14424921

申请日：2013-09-11

Applicant: LG ELECTRONICS INC.

Inventor： Giwon Park ,  Kiseon Ryu ,  Jinsam Kwak

IPC: H04W48/16 ,  H04L5/00

CPC classification number: H04W48/16 ,  H04L5/0055 ,  H04W84/12 ,  H04W88/08

Abstract: A method for scanning by a STA can comprise the steps of: the STA unicasting a probe request frame to a target AP from a first channel, the target AP having been determined in accordance with a BSSID comprised in a primitive; the STA processing an ACK transmitted via the first channel within a first ACK transmission time, and determining whether the first ACK for the probe request frame is received; if the first ACK is received within the first ACK transmission time, then the STA monitoring a probe response frame, which is a response to the probe request frame from the first channel; and if the first ACK is not received within the first ACK transmission time, then regardless of a CCA level detected during the first ACK transmission time, the STA switching the scanning channel.

Abstract translation: STA的扫描方法可以包括以下步骤：STA从第一信道向目标AP单播探测请求帧，目标AP已经根据包含在原语中的BSSID确定; 所述STA处理在第一ACK传输时间内经由所述第一信道发送的ACK，并且确定是否接收到所述探测请求帧的所述第一ACK; 如果在第一ACK传输时间内接收到第一ACK，则STA监测作为对来自第一信道的探测请求帧的响应的探测响应帧; 并且如果在第一ACK传输时间内没有接收到第一ACK，则无论在第一ACK传输时间期间检测到CCA级别，STA切换扫描信道。

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。