公开(公告)号：US20170303216A1

公开(公告)日：2017-10-19

申请号：US15510159

申请日：2015-09-25

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon SEO ,  Hanbyul SEO ,  Youngtae KIM

IPC: H04W52/38 ,  H04W56/00 ,  H04J11/00

CPC classification number: H04W52/383 ,  H04J11/00 ,  H04J11/0059 ,  H04W56/00

Abstract: An embodiment of the present invention relates to a method for transmitting a synchronization signal in a wireless communication system, the method comprising the steps of: generating a synchronization signal on the basis of a cell ID which is determined depending on whether a terminal for transmitting the synchronization signal is a terminal located outside of a coverage; and transmitting the synchronization signal.

公开(公告)号：US20170279502A1

公开(公告)日：2017-09-28

申请号：US15510844

申请日：2015-09-18

Applicant: LG ELECTRONICS INC.

Inventor： Youngtae KIM ,  Kijun KIM ,  Hyungtae KIM ,  Jonghyun PARK ,  Hyukjin CHAE

IPC: H04B7/0413 ,  H04W72/04 ,  H04L5/00 ,  H04B7/06 ,  H04L27/26

CPC classification number: H04B7/0413 ,  H04B7/0469 ,  H04B7/0478 ,  H04B7/0617 ,  H04B7/0626 ,  H04B7/0691 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/005 ,  H04L5/0051 ,  H04L5/0091 ,  H04L27/2613 ,  H04W72/046

Abstract: The present invention relates to a method and an apparatus for transmitting, by a base station, a reference signal in a wireless communication system supporting a multi-antenna consisting of a plurality of horizontal domain antennas and a plurality of vertical domain antennas. Specifically, the method comprises the steps of: configuring, as a cell-specific reference signal (CRS) port, M first antenna ports among a total of N antennas that the base station has (where N and M are positive integers, N>M); transmitting a CRS using the M first antenna ports and transmitting a demodulation reference signal (DM-RS) using 0 second antenna ports (where 0 is a positive integer, N>O), to a terminal; and receiving channel measurement information using the CRS and the DM-RS which is fed back from the terminal.

公开(公告)号：US20170279501A1

公开(公告)日：2017-09-28

申请号：US15510741

申请日：2015-09-25

Applicant: LG ELECTRONICS INC.

Inventor： Youngtae KIM ,  Kijun KIM ,  Jiwon KANG ,  Jonghyun PARK ,  Kitae KIM

IPC: H04B7/0413 ,  H04L5/00 ,  H04B7/06 ,  H04W4/18

CPC classification number: H04B7/0413 ,  H04B7/0469 ,  H04B7/06 ,  H04L5/0005 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/005 ,  H04L5/0073 ,  H04W4/18

Abstract: The present invention relates to a base station in a wireless communication system which supports multi-antennas with multiple horizontal domains and multiple vertical domains. Particularly, the present invention comprises: a radio frequency unit and a processor, wherein the radio frequency unit comprises a first radio frequency (RF) chain and a second radio frequency (RF) chain which are connected to antenna elements corresponding to multiple vertical antennas with specific horizontal domains, wherein the processor, connected to the radio frequency unit, is configured to transmit reference signals, and wherein the first RF chain and the second RF chain are configured for different reference signals.

公开(公告)号：US20170171874A1

公开(公告)日：2017-06-15

申请号：US15327359

申请日：2015-07-23

Applicant: LG ELECTRONICS INC.

Inventor： Seonwook KIM ,  Hanbyul SEO ,  Inkwon SEO ,  Seungmin LEE ,  Youngtae KIM

IPC: H04W72/12 ,  H04L12/741 ,  H04L5/00 ,  H04W40/22 ,  H04W76/02 ,  H04W56/00

CPC classification number: H04W72/12 ,  H04B7/2606 ,  H04L5/0048 ,  H04L45/74 ,  H04W28/02 ,  H04W28/06 ,  H04W40/22 ,  H04W56/002 ,  H04W76/14 ,  H04W88/04

Abstract: The present invention relates to methods for efficiently relaying device to device (D2D) data utilizing a relay terminal (rUE) in a wireless access system supporting D2D communication, and apparatuses for supporting the methods. As one example of the present invention, a method for relaying D2D data by a relay terminal in a wireless access system supporting D2D communication may comprise the steps of: receiving a scheduling allocation (SA) signal for allocating a resource area where the D2D data are transmitted; receiving at least one D2D data; and relaying, from among the at least one D2D data, only the first D2D data received from a terminal out of coverage. The first D2D data among the at least one D2D data can be detected on the basis of a SA signal and a medium access control header relating to the at least one D2D data.

公开(公告)号：US20160373224A1

公开(公告)日：2016-12-22

申请号：US14902253

申请日：2014-07-03

Applicant: LG ELECTRONICS INC.

Inventor： Youngtae KIM ,  Kijun KIM ,  Jonghyun PARK

IPC: H04L5/00 ,  H04W72/04 ,  H04L27/26 ,  H04B7/06 ,  H04B7/04

CPC classification number: H04L5/0048 ,  H04B7/0469 ,  H04B7/0684 ,  H04L5/0023 ,  H04L27/261 ,  H04L27/2636 ,  H04W72/042

Abstract: The present invention relates to a method and device for transmitting a reference signal at a transmission end in a wireless communication system supporting multiple antennas. In particular, the present invention includes a step of transmitting a first reference signal related to pre-coded horizontal antenna domains and a second reference signal related to pre-coded vertical antenna domains to a reception end, wherein at least one of the pre-coded horizontal antenna domains is included in the vertical antenna domains.

Abstract translation: 本发明涉及在支持多个天线的无线通信系统中在发送端发送参考信号的方法和装置。 特别地，本发明包括将与预编码的水平天线域相关的第一参考信号和与预编码垂直天线域相关的第二参考信号发送到接收端的步骤，其中预编码的至少一个 水平天线域包括在垂直天线域中。

公开(公告)号：US20160365990A1

公开(公告)日：2016-12-15

申请号：US15121465

申请日：2015-03-02

Applicant: LG ELECTRONICS INC.

Inventor： Kunil YUM ,  Youngtae KIM ,  Kijun KIM ,  Jonghyun PARK

IPC: H04L25/02

CPC classification number: H04L25/0202 ,  H04B17/24 ,  H04B17/309 ,  H04B17/345 ,  H04L25/0204 ,  H04L25/0224 ,  H04L25/0242

Abstract: A method for reporting a channel state of a terminal performed by the terminal is disclosed. The method includes receiving a channel state information-reference signal (CSI-RS) configuration for verifying validity of channel estimation using only a part of two-dimensional (2D) array antenna ports configured for the terminal, verifying the validity of the channel estimation using CSI-RS configuration and obtaining a channel estimation validity indicator, and transmitting the channel estimation validity indicator and channel state information based on the channel estimation validity indicator.

Abstract translation: 公开了一种用于报告终端执行的终端的信道状态的方法。 该方法包括：仅使用配置用于终端的二维（2D）阵列天线端口的一部分来验证信道估计的有效性的信道状态信息参考信号（CSI-RS）配置，用于验证信道估计的有效性，使用 CSI-RS配置并获得信道估计有效性指示符，并且基于信道估计有效性指示符发送信道估计有效性指示符和信道状态信息。

公开(公告)号：US20160315745A1

公开(公告)日：2016-10-27

申请号：US15104431

申请日：2014-12-18

Applicant: LG ELECTRONICS INC.

Inventor： Youngtae KIM ,  Kijun KIM ,  Inkwon SEO ,  Hyukjin CHAE ,  Jonghyun PARK ,  Hanjun PARK

IPC: H04L5/00 ,  H04B7/06 ,  H04W36/00 ,  H04B7/04

CPC classification number: H04L5/0048 ,  H04B7/0469 ,  H04B7/0632 ,  H04B7/0634 ,  H04L5/0023 ,  H04L5/0055 ,  H04W36/0055

Abstract: The present invention relates to a method and an apparatus for transmitting a reference signal in a multiple antenna-supporting wireless communication system and, more specifically, to a method for a serving cell to support reference signal transmission of a neighbor cell in a multiple antenna-supporting wireless communication system, the method comprising: transmitting a sounding reference signal (SRS) configuration to a terminal; transmitting, to the neighbor cell, the SRS configuration and a terminal-related position information; and receiving, from the neighbor cell, an SRS-based first channel quality value which is estimated according to the SRS configuration, wherein the first channel quality value is estimated by applying a receiving vector according to the terminal-related position information.

Abstract translation: 本发明涉及一种用于在支持多天线的无线通信系统中发送参考信号的方法和装置，更具体地，涉及一种服务小区支持多天线支持无线通信系统中的相邻小区的参考信号传输的方法， 支持无线通信系统，该方法包括：向终端发送探测参考信号（SRS）配置; 向相邻小区发送SRS配置和终端相关位置信息; 以及从所述相邻小区接收根据所述SRS配置估计的基于SRS的第一信道质量值，其中，通过根据所述终端相关位置信息应用接收向量来估计所述第一信道质量值。

公开(公告)号：US20160198381A1

公开(公告)日：2016-07-07

申请号：US14908453

申请日：2013-11-11

Applicant: LG ELECTRONICS, INC. ,  SOGANG UNIVERSITY RESEARCH FOUNDATION

Inventor： Youngtae KIM ,  Gilsoo LEE ,  Hongseok KIM ,  Byounghoon KIM

IPC: H04W36/16 ,  H04B7/04

CPC classification number: H04W36/165 ,  H04B7/0456 ,  H04W16/32 ,  H04W24/02 ,  H04W48/12 ,  H04W52/02 ,  H04W52/0206 ,  H04W84/045 ,  Y02D70/00 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/1264

Abstract: The present invention includes a plurality of access points (APs); a plurality of user equipments (UEs); and a macro cell, wherein the macro cell is configured to receive feedback including a first matrix comprising connection information between identifiers of the plurality of APs and the plurality of UEs, generate a second matrix including information on a specific AP to be activated, the specific AP being determined on the basis of the first matrix, and broadcast the generated second matrix.

Abstract translation: 本发明包括多个接入点（AP）; 多个用户设备（UE）; 以及宏小区，其中所述宏小区被配置为接收包括包括所述多个AP的标识符与所述多个UE之间的连接信息的第一矩阵的反馈，生成包括关于要被激活的特定AP的信息的第二矩阵， AP基于第一矩阵确定，并广播所生成的第二矩阵。

公开(公告)号：US20150372733A1

公开(公告)日：2015-12-24

申请号：US14765794

申请日：2014-02-25

Applicant: LG ELECTRONICS INC.

Inventor： Youngtae KIM ,  Hyukjin CHAE ,  Kijun KIM ,  Jonghyun PARK

IPC: H04B7/04 ,  H04B7/06

CPC classification number: H04B7/0482 ,  H04B7/0404 ,  H04B7/0456 ,  H04B7/0626

Abstract: The present invention relates to a method for a transmitting end efficiently transmitting a signal in a wireless communication system supporting a multi-antenna and an apparatus for same. More particularly, the method comprises a step of transmitting a downlink signal based on a precoding matrix (W) for an antenna comprising a plurality of antenna elements aligned perpendicularly, wherein the precoding matrix (W) corresponds to a codebook configured so that phase increase is limited with respect to a plurality of precoding vector values populating a same column.

Abstract translation: 本发明涉及一种用于在支持多天线的无线通信系统中发送端有效发送信号的方法及其装置。 更具体地，该方法包括基于用于包括垂直对齐的多个天线元件的天线的预编码矩阵（W）发送下行链路信号的步骤，其中预编码矩阵（W）对应于被配置为使得相位增加为 限于填充相同列的多个预编码向量值。

公开(公告)号：US20150372732A1

公开(公告)日：2015-12-24

申请号：US14649144

申请日：2013-12-10

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/04 ,  H04B7/06

CPC classification number: H04B7/0478 ,  H04B7/04 ,  H04B7/0417 ,  H04B7/0469 ,  H04B7/0626 ,  H04B7/0639 ,  H04B7/065 ,  H04L1/0026 ,  H04L1/0027 ,  H04L5/0023 ,  H04L5/0057

Abstract: The present invention relates to a method by which a terminal feeds back channel state information for downlink transmission in a wireless communication system supporting multiple antennas. More specifically, the present invention comprises a step of transmitting a first precoding matrix index (PMI) and a second PMI for each sub-band, wherein a precoding matrix preferred by the terminal is instructed to combine the first PMI and the second PMI, and a precoding codebook in which a portion of a plurality of bits forming the second PMI is additionally used to form the first PMI is applied.

Abstract translation: 本发明涉及一种终端在支持多个天线的无线通信系统中反馈用于下行链路传输的信道状态信息的方法。 更具体地说，本发明包括发送每个子带的第一预编码矩阵索引（PMI）和第二PMI的步骤，其中指示由终端优选的预编码矩阵组合第一PMI和第二PMI，以及 应用附加地使用形成第二PMI的多个比特的一部分来形成第一PMI的预编码码本。