公开(公告)号：US09918278B2

公开(公告)日：2018-03-13

申请号：US15108768

申请日：2015-01-12

Applicant: LG ELECTRONICS INC.

Inventor： Giwon Park ,  Kiseon Ryu ,  Jeongki Kim ,  Hangyu Cho ,  Suhwook Kim

IPC: H04W52/02 ,  H04W84/12

CPC classification number: H04W52/0235 ,  H04W52/0216 ,  H04W84/12 ,  Y02D70/00 ,  Y02D70/142 ,  Y02D70/22

Abstract: Disclosed are a method and an apparatus for operating based on a power save mode in a wireless LAN. The method for operating based on the power save mode in a wireless LAN may comprise the steps of: an STA receiving, from an AP, a beacon frame from a beacon frame time resource for the beacon frame, wherein a TIM included in the beacon frame indicates pending downlink data for the STA; the STA maintaining a sleep mode after receiving the beacon frame and until a monitoring start time resource for the downlink frame for delivering downlink data; and the STA receiving, from the AP, the downlink frame from a listen window including the monitoring start time resource.

公开(公告)号：US09883535B2

公开(公告)日：2018-01-30

申请号：US14890142

申请日：2014-05-12

Applicant: LG ELECTRONICS INC.

Inventor： Giwon Park ,  Kiseon Ryu ,  Hangyu Cho

IPC: H04W74/08 ,  H04W72/10 ,  H04W84/12

CPC classification number: H04W74/0833 ,  H04W72/10 ,  H04W74/085 ,  H04W84/12

Abstract: Disclosed are a channel access method and an apparatus therefor. A channel access method in a wireless LAN includes the steps of determining whether an STA (station) changes a first access category for a probe request frame; and if a first access category is changed to a second access category, performing a back-off process for enabling the STA to transmit the probe request frame based on the second access category, wherein the second access category may have a lower priority than the first access category.

公开(公告)号：US20170366321A1

公开(公告)日：2017-12-21

申请号：US15536313

申请日：2015-12-23

Applicant: LG Electronics Inc.

Inventor： Jeongki Kim ,  Kiseon Ryu ,  Jinyoung Chun ,  Suhwook Kim ,  Hangyu Cho

IPC: H04L5/00 ,  H04L1/16

CPC classification number: H04L5/0055 ,  H04L1/1614 ,  H04L1/1671 ,  H04L1/1685 ,  H04L2001/0093

Abstract: The present document relates to a method for transmitting an acknowledgement/negative acknowledgement (ACK/NACK) signal for transmission data of a plurality of stations (STAs) by an access point (AP) in a wireless LAN (WLAN) system, and an apparatus therefor. To this end, the AP transmits a trigger frame to the plurality of STAs, and on receiving data from the plurality of STAs in response to the trigger frame, transmits ACK/NACK signals for the data received from the plurality of STAs through a multiuser block ACK frame (M-BA frame). Here, the M-BA frame includes ACK/NACK signals for STAs, the number of which is determined so as not to exceed a specific transmission unit time, among the ACK/NACK signals for the plurality of STAs, and the AP additionally transmits ACK/NACK signals to one or more STAs, to which ACK/NACK signals have not been transmitted through the M-BA, among the plurality of STAs.

公开(公告)号：US09674794B2

公开(公告)日：2017-06-06

申请号：US15146101

申请日：2016-05-04

Applicant: LG ELECTRONICS INC.

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

IPC: H04W36/00 ,  H04B7/00 ,  H04W4/00 ,  H04B7/185 ,  H04W52/28 ,  H04W52/38 ,  H04W52/14 ,  H04W52/40 ,  H04W56/00 ,  H04L5/00 ,  H04W72/04

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：US09609580B2

公开(公告)日：2017-03-28

申请号：US14431697

申请日：2013-12-12

Applicant: LG ELECTRONICS INC.

Inventor： Giwon Park ,  Kiseon Ryu ,  Hangyu Cho

IPC: H04W48/16 ,  H04W48/14 ,  H04W76/02 ,  H04W84/02 ,  H04W88/02 ,  H04W12/06 ,  H04W84/12

CPC classification number: H04W48/16 ,  H04W12/06 ,  H04W48/14 ,  H04W84/02 ,  H04W84/12 ,  H04W88/02

Abstract: Disclosed are a method and an apparatus for transmitting backhaul link information. A method for acquiring backhaul link state information for a station (STA) may comprise the steps of: an STA transmitting, to an access point (AP), a generic advertisement service (GAS) request frame requesting a backhaul link state information of the AP; the STA receiving, as a response to the GAS request frame, a GAS response frame comprising backhaul link state information, wherein the GAS request frame is a frame transmitted by an STA, before an authentication or an association procedure and after a scanning procedure of the AP, to request availability-related information of a network to be accessed by the STA, and the backhaul link state information can comprise information regarding the load of a backhaul link linking network apparatuses other the AP and the STA.

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：US20170006527A1

公开(公告)日：2017-01-05

申请号：US15266872

申请日：2016-09-15

Applicant: LG Electronics Inc.

Inventor： Giwon Park ,  Hangyu Cho ,  Kiseon Ryu

IPC: H04W48/14 ,  H04W48/10 ,  H04W8/22 ,  H04W48/16

CPC classification number: H04W48/14 ,  H04W8/22 ,  H04W48/10 ,  H04W48/16 ,  H04W84/12

Abstract: Disclosed are a method and an apparatus for active scanning in a wireless LAN. The method for active scanning in a wireless LAN may comprise the steps of: a first station(STA) transmitting a first probe request frame to an access point (AP); and a first STA receiving a probe response frame from the AP, wherein the probe response frame is a response for the probe request frame, and the first probe request frame comprises fast initial link setup(FILS) capability information which can indicate whether the first STA supports FILS.

Abstract translation: 公开了一种在无线LAN中主动扫描的方法和装置。 在无线LAN中主动扫描的方法可以包括以下步骤：向接入点（AP）发送第一探测请求帧的第一站（STA）; 以及从AP接收探测响应帧的第一STA，其中所述探测响应帧是所述探测请求帧的响应，并且所述第一探测请求帧包括快速初始链路建立（FILS）能力信息，其可以指示所述第一STA 支持FILS。

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：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：US20150245283A1

公开(公告)日：2015-08-27

申请号：US14431680

申请日：2013-10-15

Applicant: LG ELECTRONICS INC.

Inventor： Giwon Park ,  Kiseon Ryu ,  Hangyu Cho

IPC: H04W48/16

CPC classification number: H04W48/16 ,  H04W48/14 ,  H04W84/12 ,  H04W84/14

Abstract: Disclosed are a method and an apparatus for active scanning in a WLAN. In the method for active scanning in the WLAN, a scanning STA, which has received from a different STA a first probe request frame, can start a probe timer and perform a CCA for detecting a channel state of a receiving channel. When the channel state is not busy until the probe timer reaches a minimum channel time, the scanning STA transmits to an AP from the receiving channel a second probe request frame, and when the channel state is busy until the probe timer reaches the minimum channel time and the scanning STA does not receive a probe reply frame, which includes at least the same information expected to be received based on scanning information, the scanning STA can transmit to the AP from the receiving channel the second probe request frame.

Abstract translation: 公开了一种在WLAN中主动扫描的方法和装置。 在WLAN中主动扫描的方法中，从不同的STA接收到第一探测请求帧的扫描STA可以启动探测定时器并执行用于检测接收信道的信道状态的CCA。 当探测定时器达到最小通道时间之前，当通道状态不忙时，扫描STA从接收通道向AP发送第二探测请求帧，并且当通道状态正忙直到探测定时器达到最小通道时间 并且扫描STA不会根据扫描信息接收包含至少相同的预期信息的探测应答帧，扫描STA可以从接收信道向AP发送第二探测请求帧。