公开(公告)号：US20170033852A1

公开(公告)日：2017-02-02

申请号：US15302466

申请日：2015-02-17

Applicant: LG ELECTRONICS INC.

Inventor： Kitae KIM ,  Jiwon KANG ,  Kilbom LEE

IPC: H04B7/06 ,  H04B7/04

CPC classification number: H04B7/0617 ,  H04B7/0456 ,  H04B7/0619 ,  H04B7/0639

Abstract: A method of determining a weight for a beamforming by a base station in a wireless communication system according to one embodiment of the present invention may include determining an angle of an analog beamforming in a hybrid beamforming in which the analog beamforming and a digital beamforming are coupled, obtaining a pre-compensation component with respect to the analog beamforming to be applied to the digital beamforming based on the angle of the analog beamforming, and determining the weight of the digital beamforming using the obtained pre-compensation component with respect to the analog beamforming and an angle determination component of the digital beamforming

Abstract translation: 根据本发明的一个实施例的确定无线通信系统中的基站的波束成形的权重的方法可以包括确定混合波束形成中的模拟波束形成的角度，其中模拟波束成形和数字波束成形耦合 基于模拟波束形成的角度获得关于要应用于数字波束成形的模拟波束形成的预补偿分量，并且使用所获得的预补偿分量来确定相对于模拟波束成形的数字波束成形的权重 以及数字波束成形的角度确定部件

公开(公告)号：US20160344525A1

公开(公告)日：2016-11-24

申请号：US15115230

申请日：2014-06-26

Applicant: LG ELECTRONICS INC.

Inventor： Jiwon KANG ,  Kilbom LEE ,  Kitae KIM

IPC: H04L5/00 ,  H04B7/04 ,  H04W72/12

CPC classification number: H04L5/0048 ,  H04B7/0469 ,  H04B7/0478 ,  H04B7/065 ,  H04L5/0023 ,  H04L5/0028 ,  H04L5/006 ,  H04L5/0091 ,  H04W72/1226

Abstract: A method for transmitting a signal to a receiver by a transmitter in a wireless communication system is disclosed. The method includes transmitting information about a first non-precoded pilot signal and information about a second non-precoded pilot signal to the receiver, transmitting the first non-precoded pilot signal the second non-precoded pilot signal to the receiver, and transmitting one or more transmission streams to the receiver through first logical antenna ports and second logical antenna ports, wherein the number of the first logical antenna ports is less than or equal to the number of the second logical antenna ports, the first non-precoded pilot signal is a pilot signal for measuring channel state information at the receiver, and the second non-precoded pilot signal is a pilot signal for determining the number of the first logical antenna ports.

Abstract translation: 公开了一种在无线通信系统中由发射机向接收机发送信号的方法。 该方法包括将关于第一非预编码导频信号的信息和关于第二非预编码导频信号的信息发射到接收机，将第一非预编码导频信号发射到接收机的第二非预编码导频信号，以及发射一个或 通过第一逻辑天线端口和第二逻辑天线端口向接收机提供更多的传输流，其中第一逻辑天线端口的数量小于或等于第二逻辑天线端口的数量，第一非预编码导频信号是 导频信号，用于测量接收机的信道状态信息，第二非预编码导频信号是用于确定第一逻辑天线端口数量的导频信号。

公开(公告)号：US20160344463A1

公开(公告)日：2016-11-24

申请号：US15113999

申请日：2015-02-13

Applicant: LG ELECTRONICS INC.

Inventor： Kitae KIM ,  Jiwon KANG ,  Kilbom LEE

IPC: H04B7/06 ,  H04W72/04 ,  H04W16/28 ,  H04B7/04

CPC classification number: H04B7/0617 ,  H04B7/0456 ,  H04B7/0639 ,  H04W16/28 ,  H04W72/046

Abstract: A method of performing a beamforming in a base station of a wireless communication system according to one embodiment of the present invention may include determining an effective range of an analog beam based on a gain of an analog beam-forming in a hybrid beamforming, determining a precoding matrix for a digital beamforming in the hybrid beamforming based on the effective range of the analog beam, and performing the hybrid beamforming having the digital beamforming and the analog beam-forming coupled therein based on the effective range and the precoding matrix.

Abstract translation: 根据本发明的一个实施例的在无线通信系统的基站中执行波束成形的方法可以包括基于混合波束形成中的模拟波束形成的增益来确定模拟波束的有效范围，确定 基于模拟波束的有效范围的混合波束形成中的数字波束成形的预编码矩阵，以及基于有效范围和预编码矩阵执行数字波束形成和模拟波束形成的混合波束成形。

公开(公告)号：US20160337010A1

公开(公告)日：2016-11-17

申请号：US15154582

申请日：2016-05-13

Applicant: LG ELECTRONICS INC.

Inventor： Kyungmin PARK ,  Jiwon KANG ,  Kitae KIM ,  Kilbom LEE ,  Heejin KIM

IPC: H04B7/04 ,  H01Q21/29 ,  H01Q1/32 ,  H04L5/00 ,  H04W88/02

CPC classification number: H04B7/0404 ,  H01Q1/3275 ,  H01Q21/28 ,  H04B7/024 ,  H04L5/0055 ,  H04W88/02

Abstract: The present document is for a wireless communication with reduced internal signaling burden in the distributed antenna system (DAS). In the proposed method, a user equipment (UE) receives a first information unit from the network by a first distributed unit (DU) among multiple DUs distributed within the UE. The first DU reports reception information of the first information unit to a central unit (CU) of the UE, wherein the CU controls the multiple DUs. The first DU receives, from the CU, a direction regarding a transfer of the first information unit to the CU, and transfers the first information unit to the CU when the direction indicates a specific value.

Abstract translation: 本文件用于在分布式天线系统（DAS）中减少内部信令负担的无线通信。 在所提出的方法中，用户设备（UE）通过UE内分布的多个分组中的第一分布式单元（DU）从网络接收第一信息单元。 第一DU将第一信息单元的接收信息报告给UE的中央单元（CU），其中CU控制多个PDU。 第一DU从CU接收关于将第一信息单元传送到CU的方向，并且当方向指示特定值时将第一信息单元传送到CU。

公开(公告)号：US20160173250A1

公开(公告)日：2016-06-16

申请号：US14902774

申请日：2014-06-25

Applicant: LG ELECTRONICS INC.

Inventor： Jiwon KANG ,  Kilbom LEE ,  Hyunsoo KO ,  Jaehoon CHUNG

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

CPC classification number: H04L5/0048 ,  H04B7/0456 ,  H04B7/0617 ,  H04B7/0626 ,  H04W72/046

Abstract: A method for receiving a signal from a base station by a user equipment, using beamforming based on a massive antenna array of the base station in a wireless communication system is disclosed. The method includes configuring an effective antenna array in the massive antenna array, receiving a pilot signal corresponding to the effective antenna array from the base station, reporting channel state information for beamforming to the base station, using the pilot signal, and receiving a user equipment-specifically beamformed signal through the effective antenna array from the base station, wherein the effective antenna array is defined as one or more horizontal antenna ports and one or more vertical antenna ports.

Abstract translation: 公开了一种在无线通信系统中使用基于基站的大规模天线阵列的波束成形由用户设备从基站接收信号的方法。 该方法包括在海量天线阵列中配置有效天线阵列，从基站接收与有效天线阵列对应的导频信号，使用导频信号向基站报告用于波束成形的信道状态信息，以及接收用户设备 通过来自基站的有效天线阵列特定波束形成的信号，其中有效天线阵列被定义为一个或多个水平天线端口和一个或多个垂直天线端口。

公开(公告)号：US20160156395A1

公开(公告)日：2016-06-02

申请号：US14905250

申请日：2014-02-21

Applicant: LG ELECTRONICS INC.

Inventor： Kilbom LEE ,  Jiwon KANG ,  Hyunsoo KO ,  Jaehoon CHUNG

IPC: H04B7/04

CPC classification number: H04B7/0452 ,  H04B7/0413 ,  H04B7/0421 ,  H04L5/0016 ,  H04L5/0048

Abstract: Grouping based reference signal transmission scheme for massive MIMO is disclosed. UEs are grouped and each UE group receives information on a sequence used for the uplink reference signal from a base station. The information is determined to assign orthogonal sequences to UEs within a UE group considering at least one or more of a number of orthogonal sequences, a number of the UEs within the UE group, amount of information to be transmitted, channel condition between the base station and each UE, and a number of sequences assigned to each UE of the UEs.

Abstract translation: 公开了用于大规模MIMO的基于分组的参考信号传输方案。 UE被分组，并且每个UE组从基站接收关于用于上行链路参考信号的序列的信息。 确定信息以考虑到多个正交序列中的至少一个或多个，UE组内的UE的数量，要发送的信息量，基站之间的信道状况 和每个UE，以及分配给UE的每个UE的多个序列。

公开(公告)号：US20160094324A1

公开(公告)日：2016-03-31

申请号：US14891927

申请日：2014-02-21

Applicant: LG ELECTRONICS INC.

Inventor： Kilbom LEE ,  Jiwon KANG ,  Hyunsoo KO ,  Jaehoon CHUNG

IPC: H04L5/00 ,  H04W72/04 ,  H04L29/08 ,  H04B7/04

CPC classification number: H04L5/0048 ,  H04B7/0413 ,  H04L5/0023 ,  H04L5/0037 ,  H04L5/0051 ,  H04L5/0091 ,  H04L67/1044 ,  H04W72/0413

Abstract: Grouping based reference signal transmission scheme for massive MIMO is disclosed. UEs are grouped and each UE group receive first information on which of uplink transmission time units is enabled to transmit an uplink reference signal and second information on a sequence used for the uplink reference signal from a base station. The above first information is differently determined to second UE group other than a first UE group including the first UE. And, the second information is determined to assign orthogonal sequences to the first UE group.

Abstract translation: 公开了用于大规模MIMO的基于分组的参考信号传输方案。 UE被分组，并且每个UE组接收关于哪个上行链路传输时间单元被启用以发送上行链路参考信号的第一信息和关于来自基站的用于上行链路参考信号的序列的第二信息。 上述第一信息被不同于包括第一UE的第一UE组以外的第二UE组被不同地确定。 并且，确定第二信息以将正交序列分配给第一UE组。

公开(公告)号：US20160072572A1

公开(公告)日：2016-03-10

申请号：US14888330

申请日：2014-06-25

Applicant: LG ELECTRONICS INC.

Inventor： Jiwon KANG ,  Jaehoon CHUNG ,  Kilbom LEE ,  Kyunghaeng LEE ,  Hyunsoo KO

IPC: H04B7/08 ,  H04W72/04 ,  H04B7/04

CPC classification number: H04B7/0802 ,  H04B7/0413 ,  H04B7/0417 ,  H04B7/0452 ,  H04B7/0456 ,  H04B7/0617 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/0691 ,  H04L5/0048 ,  H04L5/0094 ,  H04W72/046

Abstract: A method for receiving a signal from a base station by a user equipment using beamforming based on a massive antenna array in a wireless communication system is disclosed. The method includes configuring a preferred antenna port set among a plurality of antenna ports included in the massive antenna array, measuring channel state information by receiving a reference signal corresponding to the preferred antenna port set and reporting the channel state information to the base station, and receiving a beam-formed signal from the base station using the preferred antenna port set based on the channel state information.

Abstract translation: 公开了一种基于无线通信系统中的大规模天线阵列的使用波束成形的用户设备从基站接收信号的方法。 该方法包括在包括在海量天线阵列中的多个天线端口之间配置优选天线端口集合，通过接收对应于优选天线端口组的参考信号并向基站报告信道状态信息来测量信道状态信息，以及 使用基于信道状态信息设置的优选天线端口从基站接收波束形成的信号。

公开(公告)号：US20160050006A1

公开(公告)日：2016-02-18

申请号：US14779925

申请日：2014-04-07

Applicant: LG ELECTRONICS INC.

Inventor： Hyunsoo KO ,  Jiwon KANG ,  Kilbom LEE ,  Jaehoon CHUNG

IPC: H04B7/06 ,  H04B7/04 ,  H04W72/04

CPC classification number: H04B7/0634 ,  H04B7/0478 ,  H04B7/0617 ,  H04B17/00 ,  H04B17/382 ,  H04W72/0406

Abstract: The present invention relates to a wireless communication system and, more specifically, to a method and an apparatus for reporting channel state information (CSI). Particularly, the method comprises the steps of: receiving a reference signal (RS) from a base station; and reporting, to the base station, the CSI generated by using the RS, wherein the CSI is measured on the basis of a specific CSI-RS set among a plurality of CSI-RS sets, beamforming weight vectors in a vertical domain which are set differently for each of horizontal domain antenna ports to which the same beamforming weight vectors in a vertical domain is applied.

Abstract translation: 本发明涉及一种无线通信系统，更具体地，涉及用于报告信道状态信息（CSI）的方法和装置。 特别地，该方法包括以下步骤：从基站接收参考信号（RS）; 并且向基站报告通过使用RS生成的CSI，其中，基于多个CSI-RS集合中的特定CSI-RS集合来测量CSI，其被设置在垂直域中的波束成形加权向量 对于应用垂直域中相同的波束成形加权向量的每个水平域天线端口，不同。

公开(公告)号：US20240297763A1

公开(公告)日：2024-09-05

申请号：US18631707

申请日：2024-04-10

Applicant: LG Electronics Inc.

Inventor： Kukheon CHOI ,  Jiwon KANG ,  Kyuseok KIM ,  Minki AHN ,  Kilbom LEE

IPC: H04L5/00 ,  H04L1/06

CPC classification number: H04L5/0051 ,  H04L1/06 ,  H04L5/0023

Abstract: A method by which a terminal transmits an SRS can comprise the steps of: receiving, from a base station, first information indicating symbols to which the SRS is transmitted among a plurality of symbols, when the terminal is configured to perform antenna switching for an SRS transmission on the plurality of symbols; and transmitting the SRS on the indicated symbols, wherein the SRS is transmitted through antenna ports respectively corresponding to the indicated symbols, and the antenna ports respectively corresponding to the indicated symbols can be different from each other.