公开(公告)号：US09295019B2

公开(公告)日：2016-03-22

申请号：US14356355

申请日：2012-11-26

Applicant: LG ELECTRONICS INC.

Inventor： Jiwoong Jang ,  Dongcheol Kim ,  Hangyu Cho

IPC: H04W4/00 ,  H04W56/00 ,  H04W72/04 ,  H04W76/02 ,  H04L5/00

CPC classification number: H04W56/002 ,  H04L5/0044 ,  H04L5/0051 ,  H04W72/04 ,  H04W76/14

Abstract: The present invention discloses a method for performing device-to-device communication in a wireless access system supporting the device-to-device communication, and an apparatus for same. More specifically, the method comprises the steps of: a first device receiving from a base station resource allocation information for device-to-device communication with a second device; the first device transmitting to the second device an initial signal for device-to-device communication through a resource that is allocated; the first device scanning a response signal which is transmitted from the second terminal; and the first device performing the device-to-device communication with the second device when the first device receives the response signal from the second device, wherein the initial signal comprises a first reference signal for matching synchronization between the first and second devices, and a second reference signal for estimating a channel between the first device and the second device.

Abstract translation: 本发明公开了一种在支持设备到设备通信的无线接入系统中执行设备到设备通信的方法及其装置。 更具体地，该方法包括以下步骤：第一设备，从基站接收用于与第二设备的设备到设备通信的资源分配信息; 所述第一设备通过分配的资源向所述第二设备发送用于设备到设备通信的初始信号; 所述第一设备扫描从所述第二终端发送的响应信号; 以及当所述第一设备从所述第二设备接收到所述响应信号时，所述第一设备执行与所述第二设备的设备到设备通信，其中所述初始信号包括用于匹配所述第一和第二设备之间的同步的第一参考信号， 用于估计第一设备和第二设备之间的通道的第二参考信号。

公开(公告)号：US09253598B2

公开(公告)日：2016-02-02

申请号：US14410477

申请日：2013-06-25

Applicant: LG ELECTRONICS INC.

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

IPC: H04W24/00 ,  H04W4/02

CPC classification number: H04W4/023 ,  G01S5/0257 ,  G01S5/14 ,  H04W4/027 ,  H04W64/00

Abstract: A method for measuring, by a terminal, the location of a terminal in a wireless network according to the present invention includes the steps of: determining based on a received signal whether the number of access points (APs) that transmit the signal is three or more; storing location information on a first AP obtained based on the received signal and distance information between the terminal and the first AP at a point receiving the signal if the number of the APs is less than three; measuring a travel distance and a travel direction according to the movement of the terminal from the point receiving the signal; obtaining, based on the signals received from a second and a third AP, location information on the second and third APs and distance information between the terminal and each of the second and third APs at the current point, if it is determined that the number of the APs that transmit signals from the current point according to the movement to the terminal is three or more; and calculating the location of the current point of the terminal based on the distance information between the terminal and each of the second and third APs at the current point, distance information between the terminal and the first AP, and the measured travel distance and the measured travel direction.

Abstract translation: 根据本发明的终端测量终端在无线网络中的位置的方法包括以下步骤：基于接收到的信号确定发送信号的接入点（AP）的数量是三个还是 更多; 如果所述AP的数量小于3，则在接收到所述信号的点处，基于所述接收信号获得的第一AP上的位置信息和所述终端与所述第一AP之间的距离信息; 根据终端从接收信号的点的移动测量行驶距离和行驶方向; 基于从第二AP和第三AP接收的信号，获取关于第二AP和第三AP的位置信息以及终端与当前点的第二和第三AP中的每一个之间的距离信息，如果确定 根据移动到终端的从当前点发送信号的AP是三个或更多个; 基于终端与当前点的第二和第三AP之间的距离信息，终端与第一AP之间的距离信息以及所测量的行驶距离和被测量的距离信息，计算终端当前点的位置 行车方向

公开(公告)号：US20160007275A1

公开(公告)日：2016-01-07

申请号：US14443124

申请日：2014-04-29

Applicant: LG ELECTRONICS INC.

Inventor： Giwon Park ,  Hangyu Cho ,  Kiseon Ryu

IPC: H04W48/16 ,  H04W48/10

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：US20150296416A1

公开(公告)日：2015-10-15

申请号：US14439211

申请日：2013-10-29

Applicant: LG ELECTRONICS INC.

Inventor： Byungjoo Lee ,  Wookbong Lee ,  Dongcheol Kim ,  Hangyu Cho ,  Jinho Kim ,  Suhwook Kim

IPC: H04W36/00 ,  H04B5/00 ,  H04W76/02

CPC classification number: H04W36/0005 ,  H04B5/0031 ,  H04W8/005 ,  H04W76/14 ,  H04W84/12 ,  H04W92/18

Abstract: The present invention relates to a wireless communication system and more particularly, to a method for performing connection setting for Wi-Fi direct services communication and a device therefor, the method comprising a step of performing device discovery between two devices through an NFC touch.

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，涉及一种用于执行Wi-Fi直接业务通信的连接设置的方法及其设备，所述方法包括通过NFC触摸在两个设备之间执行设备发现的步骤。

公开(公告)号：US20150230244A1

公开(公告)日：2015-08-13

申请号：US14426098

申请日：2013-10-29

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/04 ,  H04L1/16 ,  H04L12/46 ,  H04W74/00 ,  H04W28/02

CPC classification number: H04W72/0446 ,  H04L1/1614 ,  H04L12/4641 ,  H04W28/0215 ,  H04W72/1263 ,  H04W74/002 ,  H04W84/12 ,  H04W88/08

Abstract: The present invention relates to a wireless communication system and, more specifically, to a method and a device for transmitting and receiving a traffic indication map (TIM) in a wireless LAN system. The method by which a station (STA) receives a TIM element in a wireless LAN system, according to one embodiment of the present invention, comprises the steps of: receiving a frame that includes the TIM element from an access point (AP); and decoding a partial virtual bitmap included in the TIM element, wherein one block of the partial virtual bitmap includes one or more association identifier difference value (ΔAID) fields, and a field subsequent to the one or more ΔAID fields can indicate an end of the one block.

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系统中发送和接收业务指示映射（TIM）的方法和设备。 根据本发明的一个实施例，站（STA）通过其接收无线LAN系统中的TIM元素的方法包括以下步骤：从接入点（AP）接收包括TIM元素的帧; 以及对包括在所述TIM元素中的部分虚拟位图进行解码，其中所述部分虚拟位图中的一个块包括一个或多个关联标识符差值（＆Dgr; AID）字段，并且所述一个或多个AID字段之后的字段可以指示 一个块的结束。

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：US20140321452A1

公开(公告)日：2014-10-30

申请号：US14361503

申请日：2012-11-29

Applicant: LG ELECTRONICS INC.

Inventor： Jinsoo Choi ,  Jiwoong Jang ,  Hangyu Cho

IPC: H04W56/00 ,  H04W4/00

CPC classification number: H04W56/0015 ,  H04W4/70 ,  H04W8/005 ,  H04W28/0215 ,  H04W56/001 ,  H04W56/002 ,  H04W74/008 ,  H04W74/0833

Abstract: The present invention relates to methods for efficiently performing device to device synchronization and device identification in a device to device communication system, and devices for supporting the methods. The method for supporting device to device synchronization and identification in a wireless access system that supports device to device communication according to one embodiment of the present invention comprises the steps of: allowing a first device to broadcast a RACH signal for device to device synchronization in a peer discovery section; allowing the first device to receive a first response message transmitted from a second device as a response to the RACH signal; and transmitting a message including device identification information for the first device to the second device.

Abstract translation: 本发明涉及用于在设备到设备通信系统中有效地执行设备到设备同步和设备识别的方法以及用于支持该方法的设备。 根据本发明的一个实施例的在支持设备到设备通信的无线接入系统中支持设备到设备同步和识别的方法包括以下步骤：允许第一设备广播用于设备到设备同步的RACH信号， 对等发现部分; 允许第一设备接收从第二设备发送的作为对RACH信号的响应的第一响应消息; 以及向所述第二设备发送包括用于所述第一设备的设备标识信息的消息。

公开(公告)号：US20140321442A1

公开(公告)日：2014-10-30

申请号：US14355518

申请日：2012-11-08

Applicant: LG ELECTRONICS INC.

Inventor： Dongcheol Kim ,  Hyunwoo Lee ,  Jiwoong Jang ,  Hangyu Cho

IPC: H04W52/14 ,  H04L5/00

CPC classification number: H04L5/0032 ,  H04J11/0053 ,  H04L5/001 ,  H04W52/146 ,  H04W52/247 ,  H04W52/248 ,  H04W52/325 ,  H04W52/34 ,  H04W52/40 ,  H04W52/50

Abstract: The present invention relates to a method of setting uplink transmission power by a terminal in a wireless communication system. The method of setting uplink transmission power by the terminal may include: assigning a plurality of serving cells by a base station; transmitting a random access message including a random access preamble from a secondary cell Scell of the plurality of serving cells to the base station; receiving a random access response message from the base station in response to the random access message; and resetting, in response to receiving the random access response message, a factor of an accumulated mode representing the current uplink transmission control adjusted state at the Scell to which the random access message is transmitted.

Abstract translation: 本发明涉及无线通信系统中的终端设定上行发送功率的方法。 终端设置上行发送功率的方法可以包括：由基站分配多个服务小区; 从所述多个服务小区的二次小区Scell向所述基站发送包括随机接入前导码的随机接入消息; 响应于所述随机接入消息从所述基站接收随机接入响应消息; 以及响应于接收到所述随机接入响应消息，重置表示在发送所述随机接入消息的所述Scell处的当前上行链路传输控制调整状态的累加模式的因子。

公开(公告)号：US20140315562A1

公开(公告)日：2014-10-23

申请号：US14354879

申请日：2012-10-26

Applicant: LG ELECTRONICS INC.

Inventor： Dongguk Lim ,  Hangyu Cho

IPC: H04W72/04 ,  H04W76/02 ,  H04W8/00

CPC classification number: H04W72/04 ,  H04W8/005 ,  H04W76/14 ,  H04W92/20

Abstract: A method for performing inter-cell D2D communication includes: receiving a first signal which is a D2D communication request signal including information on a D2D terminal selected from D2D terminals within a cell to which a base station belongs; determining whether the selected D2D terminal is a D2D terminal within the cell using information on the selected D2D terminal; transmitting a second signal, for requesting inter-cell D2D communication to a base station belonging to a neighboring cell, if the selected D2D terminal is a D2D terminal belonging to the neighboring cell; receiving a third signal for approving the inter-cell D2D communication, from the base station cell as a response to the second signal; and transmitting, to the D2D terminal within the cell, information on a resource allocated for communication between the D2D terminal within the cell and the selected D2D terminal according to the third signal.

Abstract translation: 一种用于执行小区间D2D通信的方法包括：接收作为D2D通信请求信号的第一信号，该D2D通信请求信号包括从基站所属的小区内的D2D终端选择的D2D终端的信息; 使用关于所选择的D2D终端的信息来确定所选择的D2D终端是否在小区内的D2D终端; 如果所选择的D2D终端是属于相邻小区的D2D终端，则发送用于请求到属于相邻小区的基站的小区间D2D通信的第二信号; 从所述基站小区接收用于批准所述小区间D2D通信的第三信号作为对所述第二信号的响应; 以及根据第三信号向小区内的D2D终端发送关于分配给小区内的D2D终端和所选择的D2D终端之间的通信的资源的信息。