公开(公告)号：US20160057798A1

公开(公告)日：2016-02-25

申请号：US14830649

申请日：2015-08-19

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin CHAE ,  Hanbyul SEO ,  Youngtae KIM

IPC: H04W76/02 ,  H04W72/04 ,  H04B1/713 ,  H04L5/14

CPC classification number: H04W76/14 ,  H04B1/713 ,  H04L5/14 ,  H04W72/02 ,  H04W72/0406 ,  H04W72/0446 ,  H04W88/08

Abstract: A method for transmitting a signal by a Device-to-Device (D2D) User Equipment (UE) in a wireless communication system is disclosed. The method includes determining a resource pool for a D2D control signal, determining a resource pool for a D2D communication signal based on the resource pool for a D2D control signal, and transmitting a D2D communication signal using the resource pool for a D2D communication signal. Subframes of the resource pool for a D2D communication signal were reindexed, starting from a first subframe following a last subframe of the resource pool for a D2D control signal.

Abstract translation: 公开了一种在无线通信系统中通过设备到设备（D2D）用户设备（UE）发送信号的方法。 该方法包括确定D2D控制信号的资源池，基于D2D控制信号的资源池确定D2D通信信号的资源池，以及使用D2D通信信号的资源池发送D2D通信信号。 D2D通信信号的资源池的子帧被重新索引，从D2D控制信号的资源池的最后一个子帧之后的第一个子帧开始。

公开(公告)号：US20160029305A1

公开(公告)日：2016-01-28

申请号：US14774539

申请日：2013-11-11

Applicant: LG ELECTRONICS INC. ,  SOGANG UNIVERSITY RESEARCH FOUNDATION

Inventor： Youngtae KIM ,  Hongseok KIM ,  Gilsoo LEE

IPC: H04W52/02 ,  H04W72/04 ,  H04W4/06

CPC classification number: H04W52/0206 ,  H04W4/06 ,  H04W24/02 ,  H04W72/0473 ,  H04W72/048 ,  H04W88/08 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/164

Abstract: The present invention relates to a method for supporting a self-organization network and an apparatus for the same. Particularly, the method comprises the steps of: transmitting, by a first base station, a broadcasting message including a utilization of the first base station; comparing, by a second base station, the operation rate of the first base station and the operation rate of the second base station using the broadcasting message; and performing, by the second base station, turn-off if the operation rate of the second base station is lower than the operation rate of the first base station, wherein the first base station and the second base station form a cluster by means of Delaunay triangulation.

Abstract translation: 本发明涉及一种用于支持自组织网络的方法及其装置。 特别地，该方法包括以下步骤：由第一基站发送包括使用第一基站的广播消息; 通过第二基站比较第一基站的操作速率和使用广播消息的第二基站的操作速率; 以及如果所述第二基站的操作速率低于所述第一基站的操作速率，则由所述第二基站执行关闭，其中所述第一基站和所述第二基站通过Delaunay形成簇 三角测量

公开(公告)号：US20160006549A1

公开(公告)日：2016-01-07

申请号：US14772031

申请日：2014-03-18

Applicant: LG ELECTRONICS INC.

Inventor： Kijun KIM ,  Youngtae KIM ,  Jonghyun PARK

IPC: H04L5/00 ,  H04W24/08 ,  H04B7/04 ,  H04W72/04 ,  H04B7/06

CPC classification number: H04L5/0048 ,  H04B7/0413 ,  H04B7/0456 ,  H04B7/0617 ,  H04B7/0619 ,  H04B7/0626 ,  H04B7/0658 ,  H04B7/068 ,  H04B7/0684 ,  H04B7/0691 ,  H04B17/318 ,  H04B17/327 ,  H04B17/336 ,  H04L1/0026 ,  H04L1/206 ,  H04L5/001 ,  H04W24/08 ,  H04W72/042

Abstract: A method for receiving downlink signal and an apparatus therefor are disclosed. A method for enabling a user equipment (UE) to receive a downlink signal from an eNB including a plurality of antenna ports in a wireless communication system includes: receiving a precoded reference signal according to a precoded reference signal configuration for the plurality of antenna ports; measuring receive (Rx) power of the reference signal for each of the plurality of antenna ports; and reporting, to the eNB, at least one of Rx power values of the reference signal, measured for the plurality of antenna ports. The reference signal is for serving cell search of the UE and precoding is applied to the plurality of antenna ports through which the reference signal is transmitted.

Abstract translation: 公开了一种接收下行链路信号的方法及其装置。 一种使无线通信系统中用户设备（UE）能够从包括多个天线端口的eNB接收下行链路信号的方法，包括：根据多个天线端口的预编码参考信号配置接收预编码参考信号; 测量所述多个天线端口中的每一个的参考信号的接收（Rx）功率; 以及向所述eNB报告为所述多个天线端口测量的所述参考信号的Rx功率值中的至少一个。 参考信号用于服务于UE的小区搜索，并且预编码被应用于发送参考信号的多个天线端口。

公开(公告)号：US20150358059A1

公开(公告)日：2015-12-10

申请号：US14762171

申请日：2014-02-19

Applicant: LG ELECTRONICS INC.

Inventor： Youngtae KIM ,  Kijun KIM ,  Byounghoon KIM ,  Jonghyun PARK ,  Bonghoe KIM

IPC: H04B7/04

CPC classification number: H04B7/0469 ,  H04B7/0456 ,  H04B7/0473 ,  H04B7/0617 ,  H04B7/0671

Abstract: The present invention relates to a method for a base station transmitting a precoded signal to user equipment in a wireless communication system supporting a multi-antenna. More specifically, precoding is conducted by using a precoding matrix to which large delay-cyclic delay diversity (LD-CDD) is applied, wherein the precoding matrix is determined by dividing into matrices for a horizontal direction antenna and a perpendicular direction antenna.

Abstract translation: 本发明涉及一种基站在支持多天线的无线通信系统中向用户设备发送预编码信号的方法。 更具体地，通过使用应用了大延迟循环延迟分集（LD-CDD）的预编码矩阵来进行预编码，其中通过划分水平方向天线和垂直方向天线的矩阵来确定预编码矩阵。

公开(公告)号：US20150349864A1

公开(公告)日：2015-12-03

申请号：US14759629

申请日：2014-01-09

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae KIM ,  Kijun KIM ,  Hanjun PARK ,  Youngtae KIM

IPC: H04B7/04 ,  H04B7/06

CPC classification number: H04B7/0456 ,  H04B7/0478 ,  H04B7/0626 ,  H04B7/0639 ,  H04B7/065 ,  H04J11/00

Abstract: The present invention relates to a wireless communication system. A method by which a base station transmits a downlink signal in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: receiving first and second precoding matrix indicators (PMIs) from a terminal; determining a first matrix (W1) from a first codebook on the basis of the first PMI, determining a second matrix (W2) from a second codebook on the basis of the second PMI, and determining a precoding matrix (W) on the basis of the first matrix (W1) and the second matrix (W2); performing precoding by using the determined precoding matrix (W) at two or more layers to which a downlink signal is mapped; and transmitting a precoded signal to the terminal, wherein all precoding vectors included in the precoding matrix (W) have linear phase increment properties and can be orthonormal to one another.

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。 根据本发明的一个实施例的基站在无线通信系统中发送下行链路信号的方法包括以下步骤：从终端接收第一和第二预编码矩阵指示符（PMI）; 基于第一PMI从第一码本确定第一矩阵（W1），基于第二PMI从第二码本确定第二矩阵（W2），并且基于第二PMI确定预编码矩阵（W） 第一矩阵（W1）和第二矩阵（W2）; 通过在映射下行链路信号的两个或更多个层处使用所确定的预编码矩阵（W）来执行预编码; 以及向所述终端发送预编码信号，其中包括在所述预编码矩阵（W）中的所有预编码矢量具有线性相位增量属性并且可以彼此正交。

公开(公告)号：US20140192918A1

公开(公告)日：2014-07-10

申请号：US14150405

申请日：2014-01-08

Applicant: LG ELECTRONICS INC.

Inventor： Hanjun PARK ,  Youngtae KIM ,  Kijun KIM ,  Hyungtae KIM

IPC: H04B7/04 ,  H04W88/08 ,  H04W88/02

CPC classification number: H04B7/0486 ,  H04B7/0469 ,  H04B7/0478 ,  H04L1/06 ,  H04L1/0618 ,  H04W88/02 ,  H04W88/08

Abstract: A method of reporting a channel state to a base station supporting downlink multiple input multiple output in a wireless communication system includes measuring a downlink channel based on a downlink signal received from the base station, and reporting a codebook index for precoding of the downlink signal according to the measurement of the downlink channel. The codebook for precoding includes an improved codebook (hereinafter, referred to as an improved 4Tx codebook) having a dual structure composed of a codebook for wideband and a codebook for subband, for 4 transmit (4Tx) antenna ports, and the improved 4Tx codebook includes sub-codebooks obtained by sub-sampling the codebook for subband according to priority.

Abstract translation: 向在无线通信系统中支持下行链路多输入多输出的基站报告信道状态的方法包括基于从基站接收的下行链路信号测量下行信道，并根据下行链路信号的预编码报告码本索引， 到下行链路信道的测量。 用于预编码的码本包括用于4个发送（4Tx）天线端口的具有由宽带码本和子带码本组成的双重结构的改进码本（以下称为改进的4Tx码本），并且改进的4Tx码本包括 根据优先级对子带码本进行子采样而得到的子码本。

公开(公告)号：US20240089882A1

公开(公告)日：2024-03-14

申请号：US18511305

申请日：2023-11-16

Applicant: LG Electronics Inc.

Inventor： Youngtae KIM ,  Yunjung YI

IPC: H04W56/00

CPC classification number: H04W56/0015

Abstract: The present application discloses a method for transmitting a downlink signal by a child node in a next generation wireless communication system. Specifically, the method comprises the steps of: receiving information on a timing advanced value from a parent node; determining a reception timing of a first downlink signal transmitted from the parent node; calculating a transmission timing of a second downlink signal preceding the reception timing of the first downlink signal by a timing correction value based on a preconfigured offset value and the timing advanced value; and according to the transmission timing of the second downlink signal, transmitting the second downlink signal to another child node.

公开(公告)号：US20220007319A1

公开(公告)日：2022-01-06

申请号：US17292932

申请日：2019-08-12

Applicant: LG Electronics Inc.

Inventor： Youngtae KIM ,  Yunjung YI

IPC: H04W56/00

Abstract: The present application discloses a method for transmitting a downlink signal by a child node in a next generation wireless communication system. Specifically, the method comprises the steps of: receiving information on a timing advanced value from a parent node; determining a reception timing of a first downlink signal transmitted from the parent node; calculating a transmission timing of a second downlink signal preceding the reception timing of the first downlink signal by a timing correction value based on a preconfigured offset value and the timing advanced value; and according to the transmission timing of the second downlink signal, transmitting the second downlink signal to another child node.

公开(公告)号：US20210266853A1

公开(公告)日：2021-08-26

申请号：US17246175

申请日：2021-04-30

Applicant: LG ELECTRONICS INC.

Inventor： Hakseong KIM ,  Inkwon SEO ,  Hanbyul SEO ,  Daewon SEO ,  Youngtae KIM ,  Hyukjin CHAE

IPC: H04W56/00 ,  H04L5/00 ,  H04L27/26

Abstract: The present invention relates to a method and an apparatus which enable a terminal to transmit a signal for device-to-device (D2D) communication in a wireless communication system. Specifically, the present invention transmits a synchronization signal for D2D communication and a demodulation reference signal (DM-RS) for demodulation of the synchronization signal, wherein the base sequence of the demodulation reference signal is generated using a synchronization reference ID.

公开(公告)号：US20210211259A1

公开(公告)日：2021-07-08

申请号：US15999464

申请日：2017-02-20

Applicant: LG ELECTRONICS INC.

Inventor： Youngtae KIM ,  Hanbyul SEO ,  Kijun KIM ,  Eunsun KIM ,  Suckchel YANG ,  Seonwook KIM

IPC: H04L5/00 ,  H04W72/04

Abstract: The present invention relates to a method and a device for transmitting, by a terminal, an acknowledgement (ACK)/negative-acknowledgement (NACK) in a wireless communication system. More specifically, the method comprises the steps of: receiving downlink data resource allocation information for indicating a specific subframe for ACK/NACK transmission; and transmitting an ACK/NACK in a specific subframe, wherein the downlink data allocation information includes a specific sequence among a plurality of sequences defined for a downlink control area, and a frame structure of the specific subframe is determined on the basis of the specific sequence.