公开(公告)号：US09374144B2

公开(公告)日：2016-06-21

申请号：US14424621

申请日：2013-09-02

Applicant: LG ELECTRONICS INC.

Inventor： Jiwon Kang ,  Dongcheol Kim ,  Hangyu Cho ,  Sungho Park ,  Dongguk Lim

IPC: H04B7/02 ,  H04B7/06 ,  H04B7/04 ,  H04W16/28 ,  H04L5/00

CPC classification number: H04B7/0617 ,  H04B7/0408 ,  H04B7/0413 ,  H04B7/0469 ,  H04B7/0619 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0639 ,  H04L5/0016 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0091 ,  H04W16/28 ,  H04W64/006

Abstract: The present invention relates to a wireless communication system, and more specifically, disclosed are a method and an apparatus for virtualizing an antenna. A method for communicating using a virtual antenna of a terminal in the wireless communication system, according to one embodiment of the present invention, comprises the steps of: configuring one or more virtual antennas according to an antenna virtualization pattern that is determined based on information indicating a movement status of the terminal and/or information indicating a communication status of the terminal; and communicating with the base station by using the one or more virtual antennas, wherein one or more physical antennas that are mapped to the one or more virtual antennas can be determined base on the direction of movement of the terminal.

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，涉及一种虚拟化天线的方法和装置。 根据本发明的一个实施例，使用无线通信系统中的终端的虚拟天线进行通信的方法包括以下步骤：根据天线虚拟化模式配置一个或多个虚拟天线，所述天线虚拟化模式基于指示 终端的移动状态和/或指示终端的通信状态的信息; 以及通过使用所述一个或多个虚拟天线与所述基站通信，其中可以基于所述终端的移动方向来确定映射到所述一个或多个虚拟天线的一个或多个物理天线。

公开(公告)号：US09264115B2

公开(公告)日：2016-02-16

申请号：US14407427

申请日：2013-06-17

Applicant: LG ELECTRONICS INC.

Inventor： Sungho Park ,  Kyujin Park ,  Jiwoong Jang ,  Hangyu Cho ,  Jiwon Kang ,  Dongcheol Kim ,  Dongguk Lim

IPC: H04B7/04 ,  H04B7/06 ,  H04L27/26 ,  H04W24/10

CPC classification number: H04B7/0417 ,  H04B7/0626 ,  H04B7/0632 ,  H04L1/0025 ,  H04L1/0026 ,  H04L1/0031 ,  H04L27/2626 ,  H04L27/2647 ,  H04W4/027 ,  H04W24/10

Abstract: The present invention relates to a method in which a signal is transmitted between a base station and a terminal in a multi-antenna wireless communication system. The method transmits pre-estimated channel information to the terminal when the terminal moves to a specific position when channel estimation for a specific position is performed. As for the terminal which moves along a fixed route or the route of which can be estimated, the position of the terminal in the near future can be easily detected. Therefore, the transception of channel information can be performed in a more efficient manner in consideration of the above-described special environment.

Abstract translation: 本发明涉及在多天线无线通信系统中在基站与终端之间传输信号的方法。 当执行特定位置的信道估计时，当终端移动到特定位置时，该方法向终端发送预估信道信息。 对于沿着固定路线移动或可以估计路线的终端，可以容易地检测终端在不久的将来的位置。 因此，考虑到上述特殊环境，可以更有效地进行信道信息的截取。

公开(公告)号：US09161284B2

公开(公告)日：2015-10-13

申请号：US13780473

申请日：2013-02-28

Applicant: LG Electronics Inc.

Inventor： Dongguk Lim ,  Dongcheol Kim ,  Kyujin Park ,  Jiwoong Jang ,  Hangyu Cho ,  Jiwon Kang ,  Sungho Park

IPC: H04W36/32 ,  H04W36/16

CPC classification number: H04W36/32 ,  H04W36/165

Abstract: A method for performing handover at a mobile terminal which moves along an established path in a wireless communication system includes transmitting an indicator indicating a handover type to a serving base station without performing measurement with respect to neighboring base stations and movement path information and transmitting current position information of the mobile terminal to the serving base station.

Abstract translation: 一种在无线通信系统中沿着建立的路径移动的移动终端执行切换的方法包括：向服务基站发送指示切换类型的指示符，而不对相邻基站进行测量，并且发送当前位置 移动终端向服务基站的信息。

公开(公告)号：US20150282157A1

公开(公告)日：2015-10-01

申请号：US14433543

申请日：2013-10-04

Applicant: LG ELECTRONICS INC.

Inventor： Jeongki Kim ,  Hangyu Cho ,  Giwon Park ,  Yongho Seok ,  Kiseon Ryu ,  Jinsoo Choi

IPC: H04W72/04

CPC classification number: H04W72/0413 ,  H04W48/14 ,  H04W84/12 ,  H04W88/08

Abstract: The present invention relates to a wireless communication system and, more specifically, to a method and a device for updating system information in a wireless LAN system. The method for updating system information in a station (STA) of a wireless communication system, according to one embodiment of the present invention, comprising: allowing the STA to transmit, to an access point (AP), a probe request frame that includes a change sequence field which is set to a value of a change sequence field stored in the STA, if a value of a change sequence field received from the AP is different from the value of the change sequence field stored in the STA; and allowing the STA to receive, from the AP, a probe response frame which responds to the probe request frame that includes the change sequence field, wherein the probe request frame is a short probe request 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更新无线通信系统的站（STA）中的系统信息的方法包括：允许STA向接入点（AP）发送探测请求帧，所述探测请求帧包括 如果从AP接收到的改变序列字段的值不同于存储在STA中的改变序列字段的值，则设置为存储在STA中的改变序列字段的值的改变序列字段; 并且允许STA从AP接收响应包括改变序列字段的探测请求帧的探测响应帧，其中探测请求帧是短探测请求帧。

公开(公告)号：US09143971B2

公开(公告)日：2015-09-22

申请号：US13868870

申请日：2013-04-23

Applicant: LG ELECTRONICS INC.

Inventor： Dongguk Lim ,  Dongcheol Kim ,  Jiwoong Jang ,  Hangyu Cho ,  Jiwon Kang ,  Sungho Park

IPC: H04W24/10 ,  H04W64/00 ,  H04W84/12 ,  G01S5/06

CPC classification number: H04W24/10 ,  G01S5/06 ,  H04W64/00 ,  H04W84/12

Abstract: A method for estimating a location of a mobile station includes transmitting a position request signal, including at least departure time information or an identifier of the mobile station, to an AP by synchronizing with the AP, receiving first position information, including at least a calculated first location of the mobile station or a calculated first distance between the mobile station and the AP and departure time information of a position response signal, from the AP, calculating a ToA of a signal between the mobile station and the AP based on the departure time information of the position response signal, calculating at least a second distance between the mobile station and the AP or a second location of the mobile station using the ToA, and determining a final location of the mobile station based on the first position information and at least the second distance or the second location.

Abstract translation: 一种用于估计移动站的位置的方法包括：通过与AP同步，向AP发送包括至少出发时间信息或移动站的标识符的位置请求信号，接收第一位置信息，该信息至少包括计算出的 移动站的第一位置或移动站与AP之间的计算出的第一距离以及位置响应信号的出发时间信息，从AP计算移动站和AP之间的信号的ToA，基于出发时间 位置响应信号的信息，使用ToA计算移动站与AP之间的至少第二距离或移动站的第二位置，以及基于第一位置信息确定移动站的最终位置，并至少 第二距离或第二位置。

公开(公告)号：US20150245382A1

公开(公告)日：2015-08-27

申请号：US14431690

申请日：2013-10-16

Applicant: LG ELECTRONICS INC.

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

IPC: H04W74/00 ,  H04W72/04

CPC classification number: H04W74/008 ,  H04W48/14 ,  H04W72/0406 ,  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) accessing a channel may comprise: a step of the STA receiving an access distribution element through a passive scanning frame; the STA selecting an access random variable based on the access distribution element; a step of the STA determining a minimum value of a passive scanning-specific competition window based on the access random variable; and the STA accessing the channel based on a backoff time that is determined based on the passive scanning-specific competition window.

Abstract translation: 公开了一种用于访问无线LAN中的信道的方法和装置。 用于站（STA）访问信道的方法可以包括：STA通过被动扫描帧接收访问分发单元的步骤; 所述STA基于所述访问分发元素选择访问随机变量; 所述STA基于所述访问随机变量确定被动扫描专用竞赛窗口的最小值的步骤; 并且STA基于基于被动扫描特定竞争窗口确定的退避时间来访问信道。

公开(公告)号：US20150237623A1

公开(公告)日：2015-08-20

申请号：US14411833

申请日：2013-08-05

Applicant: LG Electronics Inc.

Inventor： Jinsoo Choi ,  Hangyu Cho ,  Jeongki Kim

IPC: H04W72/04 ,  H04W52/02 ,  H04B7/04

CPC classification number: H04W52/0216 ,  H04B7/0452 ,  H04L61/2069 ,  H04W4/70 ,  H04W52/0219 ,  H04W52/0235 ,  H04W52/0238 ,  H04W72/005 ,  H04W72/0446 ,  H04W72/121 ,  H04W72/1215 ,  H04W74/04 ,  H04W74/06 ,  H04W84/12 ,  Y02D70/00 ,  Y02D70/1222 ,  Y02D70/1224 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/21 ,  Y02D70/22

Abstract: One embodiment of the present invention relates to a method whereby a station (STA) which is irrelevant to a multi user (MU) group performs channel access in a wireless communication system, the method for performing channel access comprising the steps of: receiving a resource allocation frame; and checking a group indicator field comprised in the resource allocation frame, wherein the STA determines a slot start offset through the first bit of a slot allocation field for the MU group in case the group indicator field indicates the presence of the slot allocation field for the MU group in the resource allocation frame.

Abstract translation: 本发明的一个实施例涉及一种方法，其中与多用户（MU）组无关的站（STA）在无线通信系统中执行信道接入，所述用于执行信道接入的方法包括以下步骤：接收资源 分配框架 并且检查包括在资源分配帧中的组指示符字段，其中STA在MU组的时隙分配字段的第一位确定时隙开始偏移量，在组指示符字段指示是否存在用于 MU组在资源分配框架中。

公开(公告)号：US20150237568A1

公开(公告)日：2015-08-20

申请号：US14431697

申请日：2013-12-12

Applicant: LG ELECTRONICS INC.

Inventor： Giwon Park ,  Kiseon Ryu ,  Hangyu Cho

IPC: H04W48/16 ,  H04W76/02

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.

Abstract translation: 公开了一种用于发送回程链路信息的方法和装置。 一种用于获取站（STA）的回程链路状态信息的方法可以包括以下步骤：STA向接入点（AP）发送请求AP的回程链路状态信息的通用广告业务（GAS）请求帧 ; 作为对GAS请求帧的响应，STA接收包括回程链路状态信息的GAS响应帧，其中GAS请求帧是由STA发送的帧，在认证或关联过程之前，以及在扫描过程之后 AP，以请求由STA访问的网络的可用性相关信息，并且回程链路状态信息可以包括关于链接AP和STA之间的网络设备的回程链路的负载的信息。

公开(公告)号：US20150230093A1

公开(公告)日：2015-08-13

申请号：US14426338

申请日：2013-09-11

Applicant: LG ELECTRONICS INC.

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

IPC: H04W12/08 ,  H04W48/16 ,  H04W72/04 ,  H04W48/20

CPC classification number: H04W12/08 ,  H04W48/16 ,  H04W48/20 ,  H04W72/0453 ,  H04W84/12 ,  H04W88/08

Abstract: A method for accessing an initial channel by a STA can comprise the steps of: the STA receiving, via a first band from a multiband AP, a scanning frame comprising a neighboring AP information element, wherein the neighboring AP information element comprises information for a second band which is an operating band for the neighboring AP; the STA determining whether accessing the neighboring AP is possible on the basis of information comprised in the neighboring AP information element regarding an access network type of the neighboring AP operating in the second band; if access to the neighboring AP is possible, the STA transmitting an association request frame to the neighboring AP via the second band, wherein the access network type can comprise information regarding an access permission type of a neighboring AP.

Abstract translation: 用于由STA访问初始信道的方法可以包括以下步骤：STA经由来自多频带AP的第一频带接收包括相邻AP信息单元的扫描帧，其中相邻AP信息单元包括第二 频带是相邻AP的工作频带; 基于相邻AP信息元素中关于在第二频带中操作的相邻AP的接入网络类型的信息，STA确定是否可以访问相邻AP; 如果可以访问相邻AP，则STA经由第二频带向相邻AP发送关联请求帧，其中接入网络类型可以包括关于相邻AP的访问许可类型的信息。

公开(公告)号：US20150200722A1

公开(公告)日：2015-07-16

申请号：US14406023

申请日：2013-06-05

Applicant: LG ELECTRONICS INC.

Inventor： Jiwon Kang ,  Dongcheol Kim ,  Jiwoong Jang ,  Hangyu Cho ,  Sungho Park ,  Dongguk Lim

IPC: H04B7/15

CPC classification number: H04B7/15 ,  H04B7/0413 ,  H04B7/1555

Abstract: A method and apparatus for transmitting an uplink signal in a wireless communication system are disclosed. A transmission apparatus for receiving an uplink (UL) signal from a user equipment (UE) and transmitting the received UL signal to a base station (BS) in a wireless communication system includes: a plurality of reception antennas configured to receive UL signals from the UE; a radio frequency (RF) repeater configured to amplify and map the received UL signals to at least one transmission antenna; and a plurality of transmission antennas configured to transmit the amplified UL signals to the BS, wherein the RF repeater is configured to select M received UL signals from among a plurality of received UL signals which are received in the plurality of reception antennas, and map the M received UL signals to N transmission antennas from among the plurality of transmission antennas, and the number of the reception antennas (Nrx,REP) is higher than the number of the transmission antennas (Ntx,REP), and N is the number of the transmission antennas which is used to transmit the M received UL signals.

Abstract translation: 公开了一种用于在无线通信系统中发送上行链路信号的方法和装置。 一种用于从用户设备（UE）接收上行链路（UL）信号并将接收的UL信号发射到无线通信系统中的基站（BS）的传输装置包括：多个接收天线，被配置为从 UE; 射频（RF）中继器，被配置为将所接收的UL信号放大并映射到至少一个发射天线; 以及多个发送天线，被配置为将放大的UL信号发送到BS，其中，RF中继器被配置为从在多个接收天线中接收的多个接收到的UL信号中选择接收到的M个M个信号， M从多个发送天线中的N个发送天线接收到UL信号，并且接收天线的数量（Nrx，REP）比发送天线的数量（Ntx，REP）高，并且N是 用于发送M个接收的UL信号的发送天线。