公开(公告)号：US20170214442A1

公开(公告)日：2017-07-27

申请号：US15326221

申请日：2015-07-17

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin CHAE ,  Youngtae KIM ,  Bonghoe KIM

IPC: H04B7/0456 ,  H04L5/00

Abstract: An embodiment of the present invention relates to a method by which a base station transmits a downlink signal in wireless communication system, the method including the steps of: transmitting a demodulation-reference signal (DMRS) approval; determining a long-term channel property from the DMRS of a first slot of an uplink sub-frame received by responding to the DMRS approval; receiving a first reference signal from a second slot of the sub-frame on the basis of the determined long-term channel property; determining a short-term channel property from the first reference signal; determining a pre-coding matrix from the long-term channel property and the short-term channel property; and transmitting a downlink signal through the determined pre-coding matrix.

公开(公告)号：US20170134146A1

公开(公告)日：2017-05-11

申请号：US15318645

申请日：2015-06-16

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin CHAE ,  Hanbyul SEO ,  Youngtae KIM

IPC: H04L5/00 ,  H04W72/04

CPC classification number: H04L5/0092 ,  H04L5/0005 ,  H04L5/0007 ,  H04W8/005 ,  H04W72/044 ,  H04W92/18

Abstract: A device to device (D2D) signal transmission method in which a D2D terminal transmits a D2D signal in a wireless communication system according to one embodiment of the present invention comprises the steps of: defining a time-frequency resource range in which the D2D signal is to be transmitted in a subframe; and transmitting the D2D signal through the defined time-frequency resource range, wherein the frequency resource range in which the D2D signal is to be transmitted in the subframe includes a first frequency resource range and a second frequency resource range, positions of the first frequency resource range and the second frequency resource range are defined by an independent parameter, and dimensions of the first frequency resource range and the second frequency resource range are defined by a common parameter.

公开(公告)号：US20170047977A1

公开(公告)日：2017-02-16

申请号：US15306741

申请日：2015-05-04

Applicant: LG ELECTRONICS INC.

Inventor： Youngtae KIM ,  Kijun KIM ,  Jonghyun PARK ,  Yunjung YI

IPC: H04B7/06

CPC classification number: H04B7/0617 ,  H04B7/0621 ,  H04B7/10

Abstract: The present invention relates to a method and an apparatus for beamforming by a base station in a wireless communication system supporting multiple antennas. Particularly, the method comprises the steps of: determining a first coverage on the basis of long-term feedback information; setting multiple logical antenna ports for the first coverage on the basis of a combination of multiple horizontal beams and multiple vertical beams; and transmitting a channel state information-reference signal to a terminal according to a precoding matrix index which is set on the basis of the multiple antenna ports, wherein the multiple horizontal beams respectively correspond to multiple second coverages divided into horizontal domains on the basis of the first coverage, and the multiple vertical beams respectively correspond to multiple third coverages divided into vertical domains on the basis of the first coverage.

Abstract translation: 本发明涉及一种在支持多个天线的无线通信系统中由基站进行波束成形的方法和装置。 特别地，该方法包括以下步骤：基于长期反馈信息确定第一覆盖; 基于多个水平光束和多个垂直光束的组合设置用于第一覆盖的多个逻辑天线端口; 以及根据基于所述多个天线端口设置的预编码矩阵索引向终端发送信道状态信息参考信号，其中，所述多个水平波束分别对应于基于所述多个天线端口划分为水平域的多个第二覆盖 第一覆盖，多个垂直波束分别对应于基于第一覆盖分割成垂直域的多个第三覆盖。

公开(公告)号：US20170041932A1

公开(公告)日：2017-02-09

申请号：US15305323

申请日：2015-04-29

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin CHAE ,  Hanbyul SEO ,  Kijun KIM ,  Byounghoon KIM ,  Joonkui AHN ,  Suckchel YANG ,  Youngtae KIM

IPC: H04W72/04

Abstract: A method by which a user equipment (UE) transmits device-to-device (D2D) data in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: determining a bitmap to be applied to a subframe pool for data transmission by using information indicating a time resource pattern (TRP); and transmitting D2D data in a subframe indicated by the bitmap, wherein a set of bitmaps indicatable by the information indicating the TRP when a radio resource control (RRC) information element related to a TRP subset is configured in the UE is a subset of a bitmap set indicatable by the information indicating the TRP when the UE is not concerned in the RRC information element related to the TRP subset.

Abstract translation: 根据本发明的一个实施例的用户设备（UE）在无线通信系统中发送设备到设备（D2D）数据的方法包括以下步骤：确定要应用于子帧池的位图 用于通过使用指示时间资源模式（TRP）的信息进行数据传输; 以及在由位图指示的子帧中发送D2D数据，其中当在UE中配置与TRP子集相关的无线电资源控制（RRC）信息元素时，由指示TRP的信息可指示的一组位图是位图的子集 当UE不关心与TRP子集相关的RRC信息元素时，可以通过指示TRP的信息来设置。

公开(公告)号：US20160316389A1

公开(公告)日：2016-10-27

申请号：US15101381

申请日：2014-12-24

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae KIM ,  Kijun KIM ,  Inkwon SEO ,  Jonghyun PARK ,  Yunjung YI ,  Youngtae KIM ,  Kunil YUM

IPC: H04W28/04 ,  H04L5/00 ,  H04W24/08 ,  H04B17/345

CPC classification number: H04W28/04 ,  H04B17/345 ,  H04L5/0032 ,  H04L5/0048 ,  H04L5/0073 ,  H04W24/08 ,  H04W72/085

Abstract: The present invention relates to a wireless communication system. A method for a terminal for removing interference and receiving a signal in a wireless communication system according to one embodiment of the present invention comprises the steps of: receiving configuration information for channel status information which has utilized interference measurements; and on the basis of the configuration information, measuring the interference from an interfering cell, and on the basis of the measured interference, measuring the channel status information from an interference measurement resource (IMR), wherein interference can be measured, in a resource block in which an IMR exists, on the basis of whether the interfering cell is transmitting data and the type of the signal transmitted from the IMR.

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用于在无线通信系统中去除干扰和接收信号的终端的方法包括以下步骤：接收利用干扰测量的信道状态信息的配置信息; 并且基于配置信息，测量来自干扰小区的干扰，并且基于所测量的干扰，从资源块中可以测量干扰的干扰测量资源（IMR）测量信道状态信息 其中IMR存在，基于干扰小区是否正在发送数据和从IMR发送的信号的类型。

公开(公告)号：US20160157108A1

公开(公告)日：2016-06-02

申请号：US14906802

申请日：2014-12-11

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun PARK ,  Kijun KIM ,  Hyungtae KIM ,  Inkwon SEO ,  Seungmin LEE ,  Youngtae KIM ,  Kunil YUM

IPC: H04W24/02 ,  H04W72/08 ,  H04W48/16 ,  H04W72/04

CPC classification number: H04W24/02 ,  H04B15/02 ,  H04J11/0053 ,  H04L25/0328 ,  H04W48/16 ,  H04W72/042 ,  H04W72/082

Abstract: In this application, a method for a terminal cancelling interference from a neighboring cell is disclosed. More specifically, the method comprises the steps of: receiving one or more interference cancellation assistance information indicating one of a plurality of parameter combinations for detecting an interference signal from the neighboring cell; detecting an interference signal from the neighboring cell, based on the one or more interference cancellation assistance information and cancelling the interference signal in signals received from a serving cell, wherein the interference signal is a downlink data channel of the neighboring cell or a downlink control channel of the neighboring cell, and the plurality of parameter combinations is configured through a higher layer.

Abstract translation: 在本申请中，公开了一种终端消除来自相邻小区的干扰的方法。 更具体地，该方法包括以下步骤：接收指示用于检测来自相邻小区的干扰信号的多个参数组合之一的一个或多个干扰消除辅助信息; 基于所述一个或多个干扰消除辅助信息和从服务小区接收的信号中的所述干扰信号来检测来自所述相邻小区的干扰信号，其中所述干扰信号是所述相邻小区的下行链路数据信道或下行链路控制信道 并且通过较高层配置多个参数组合。

公开(公告)号：US20160094284A1

公开(公告)日：2016-03-31

申请号：US14892155

申请日：2014-07-17

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/04 ,  H04W72/04

CPC classification number: H04B7/0456 ,  H04B7/0617 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/0647 ,  H04B7/066 ,  H04W72/042

Abstract: Provided is a method for receiving a downlink signal in a wireless communication system, the method comprising: transmitting, by a user equipment (UE), information on vertical angle restriction to be used for a precoding matrix which the UE desires to an eNodeB (eNB); and receiving, by the UE, a downlink signal precoded according to the information on vertical angle restriction, wherein the information on vertical angle restriction includes values indicating a lower limit angle and an upper limit angle for the precoding matrix.

Abstract translation: 提供了一种用于在无线通信系统中接收下行链路信号的方法，所述方法包括：由用户设备（UE）向UE发送用于UE期望的预编码矩阵的信息（eNB） ）; 以及由UE接收根据关于垂直角度限制的信息预编码的下行链路信号，其中关于垂直角度限制的信息包括指示预编码矩阵的下限角和上限角的值。

公开(公告)号：US20150341101A1

公开(公告)日：2015-11-26

申请号：US14718846

申请日：2015-05-21

Applicant: LG ELECTRONICS INC.

Inventor： Hanjun PARK ,  Kijun KIM ,  Jonghyun PARK ,  Youngtae KIM ,  Hyunho LEE

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

CPC classification number: H04L5/0048 ,  H04B7/0478 ,  H04L5/0023 ,  H04L5/0035

Abstract: A method for estimating a channel transmitted through a 2-dimensional (2D) array antenna by a user equipment (UE) in a wireless communication system comprising calculating channel estimation values for each of horizontal and vertical direction antenna arrays of the 2D array antenna in a channel state information-reference signal (CSI-RS) resource using a discrete Fourier transform (DFT) based channel estimation scheme, wherein the channel estimation values are expressed as one or more non-zero channel taps due to multipath fading; deriving channel vectors for each of the horizontal direction antenna arrays and channel vectors for each of the vertical direction antenna arrays using L significant power sums of filtered channel taps; and calculating channel vectors of the 2D array antenna by operating Kronecker product of the channel vectors for each of the horizontal direction antenna arrays and the channel vectors for each of the vertical direction antenna arrays.

Abstract translation: 一种用于在无线通信系统中估计由用户设备（UE）通过二维（2D）阵列天线发送的信道的方法，包括：计算2D阵列天线的水平和垂直方向天线阵列中的每一个的信道估计值， 使用基于离散傅里叶变换（DFT）的信道估计方案的信道状态信息参考信号（CSI-RS）资源，其中由于多径衰落，信道估计值被表示为一个或多个非零信道抽头; 使用滤波的信道抽头的L个有效功率和，为每个垂直方向天线阵列导出每个水平方向天线阵列的信道向量和信道向量; 以及通过对于每个水平方向天线阵列的信道矢量的Kronecker乘积和每个垂直方向天线阵列的信道矢量来计算2D阵列天线的信道矢量。

公开(公告)号：US20220217786A1

公开(公告)日：2022-07-07

申请号：US17703360

申请日：2022-03-24

Applicant: LG Electronics Inc.

Inventor： Youngtae KIM ,  Hyunsoo KO ,  Hyangsun YOU ,  Sukhyon YOON

IPC: H04W74/08

Abstract: The present disclosure relates to a wireless communication system. Particularly, a communication method and an apparatus for the same are provided, in which configuration information related to random access of a user equipment (UE) is received from an upper node, first time resource information related to random access of the relay node is received from the upper node, and random access is performed to the upper node based on the configuration information and the first time resource information. The configuration information includes second time resource information including a periodicity of the random access of the UE and a plurality of random access occasions within the periodicity, and the first time resource information and the second time resource information do not overlap with each other in time resources.

公开(公告)号：US20210400540A1

公开(公告)日：2021-12-23

申请号：US17290103

申请日：2019-07-09

Applicant: LG ELECTRONICS INC.

Inventor： Youngtae KIM ,  Yunjung YI

IPC: H04W28/26 ,  H04W72/04

Abstract: Disclosed in the present application is a method by which a child node transmits and receives a signal in a next generation wireless communication system. Particularly, the method comprises the steps of: transmitting, to a parent node, a resource request message for requesting either a downlink resource or an uplink resource; receiving, from the parent node, a resource allocation grant message indicating either the requested resource or a flexible resource; transmitting and receiving a signal by using the indicated resource, wherein the flexible resource is used as the requested resource when the resource allocation grant message indicates the flexible resource.