公开(公告)号：US20170079022A1

公开(公告)日：2017-03-16

申请号：US15364168

申请日：2016-11-29

Applicant: LG ELECTRONICS INC.

Inventor： Kitae KIM ,  Jinyoung CHUN ,  Sunam KIM ,  Jiwon KANG ,  Binchul IHM ,  Sungho PARK

IPC: H04W72/04 ,  H04L5/00

CPC classification number: H04W72/042 ,  H04L5/0007 ,  H04L5/0037 ,  H04L5/0048 ,  H04L5/0053 ,  H04W72/12

Abstract: In a wireless communication system, when a terminal receives control information from a downlink subframe, which is divided into a Physical Downlink Control Channel (PDCCH) region and a Physical Downlink Shared Channel (PDSCH) region, in a wireless communication system, the receiving of the control information includes: receiving, from a base station, first CFI information indicating the number of Orthogonal Frequency Division Multiplexing (OFDM) symbols available for Physical Downlink Control Channel (PDCCH) transmission; receiving, from the base station, second CFI information indicating start OFDM symbol information available for Physical Downlink Shared Channel (PDSCH) transmission corresponding to an enhanced Physical Downlink Control Channel (E-PDCCH); and receiving the PDSCH from the base station on the basis of the first CFI information or the second CFI information. The PDCCH is placed in the PDCCH region of the downlink subframe, and the E-PDCCH is placed in the PDSCH region of the downlink subframe.

Abstract translation: 在无线通信系统中，当终端从无线通信系统中被分割为物理下行链路控制信道（PDCCH）区域和物理下行链路共享信道（PDSCH）区域的下行链路子帧接收到控制信息时， 控制信息包括：从基站接收指示可用于物理下行链路控制信道（PDCCH）传输的正交频分复用（OFDM）符号的数量的第一CFI信息; 从基站接收指示对应于增强物理下行链路控制信道（E-PDCCH）的物理下行链路共享信道（PDSCH）传输可用的起始OFDM符号信息的第二CFI信息; 以及基于第一CFI信息或第二CFI信息从基站接收PDSCH。 PDCCH被配置在下行链路子帧的PDCCH区域，E-PDCCH被配置在下行子帧的PDSCH区域中。

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：US20160269090A1

公开(公告)日：2016-09-15

申请号：US15034020

申请日：2014-04-30

Applicant: LG ELECTRONICS INC.

Inventor： Kitae KIM ,  Jaehoon CHUNG ,  Jiwon KANG ,  Kwangseok NOH ,  Kukheon CHOI ,  Hyunsoo KO ,  Jinmin KIM

IPC: H04B7/06 ,  H04L27/26 ,  H04L25/49

CPC classification number: H04B7/0656 ,  H04B7/046 ,  H04B7/0617 ,  H04B7/0619 ,  H04B17/11 ,  H04L25/0224 ,  H04L25/03343 ,  H04L25/49 ,  H04L27/2634 ,  H04L27/2657

Abstract: In this disclosure, methods for pre-compensation of the phase shifting error, and apparatuses for the same are disclosed. In one example, a device performs precoding of a digital signal, while acquiring information on an error caused by a phase shifting of the precoding. Then, the device performs phase compensation on the digital signal based on the acquired information. This phase compensated-digital signal is converted to an analogue signal, and is transmitted to a receiver.

Abstract translation: 在本公开中，公开了用于预补偿相移误差的方法及其装置。 在一个示例中，设备执行数字信号的预编码，同时获取关于由预编码的相移引起的错误的信息。 然后，设备基于所获取的信息对数字信号执行相位补偿。 该相位补偿数字信号被转换为模拟信号，并被发送到接收机。

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：US20160087349A1

公开(公告)日：2016-03-24

申请号：US14890402

申请日：2013-12-23

Applicant: LG ELECTRONICS INC.

Inventor： Kyunghaeng LEE ,  Sungho PARK ,  Soocheol KYEONG ,  Jiwon KANG ,  Hyunsoo KO ,  Sunam KIM

IPC: H01Q21/30 ,  H01Q21/06 ,  H01Q3/26 ,  H01Q1/24

CPC classification number: H01Q21/30 ,  H01Q1/246 ,  H01Q3/26 ,  H01Q5/42 ,  H01Q21/061 ,  H04B7/0617 ,  H04B7/10

Abstract: A method and an apparatus for forming a beam in an antenna array are disclosed. The method for forming a beam in an antenna array comprises the steps of: forming a first beam pattern in a first band on the basis of a single-band antenna aggregation and a multi-band antenna aggregation; and forming other beam patterns in bands other than the first band on the basis of the multi-band antenna aggregation, wherein the single-band antenna aggregation includes a plurality of single-band antennas which operate only in the first band, the multi-band antenna aggregation includes multi-band antennas which operate in a plurality of bands including the first band, and the antenna array may be arranged in a two-dimensional plane such that distances between the plurality of single-band antennas and the plurality of multi-band antennas are constant.

Abstract translation: 公开了一种在天线阵列中形成光束的方法和装置。 用于在天线阵列中形成光束的方法包括以下步骤：基于单频带天线聚合和多频带天线聚合在第一频带中形成第一波束图案; 并且基于多频带天线聚合在除第一频带之外的频带中形成其他波束图案，其中单频带天线汇聚包括仅在第一频带操作的多个单频带天线，多频带 天线聚合包括在包括第一频带的多个频带中操作的多频带天线，并且天线阵列可以被布置在二维平面中，使得多个单频带天线与多个多频带之间的距离 天线是恒定的。