公开(公告)号：US09787448B2

公开(公告)日：2017-10-10

申请号：US14763761

申请日：2013-08-20

Applicant: LG ELECTRONICS INC.

Inventor： Kitae Kim ,  Sungho Park ,  Jaehoon Chung ,  Sunam Kim ,  Soocheol Kyeong ,  Jinmin Kim ,  Kyunghaeng Lee ,  Hyunsoo Ko ,  Jiwon Kang

IPC: H04B1/00 ,  H04L5/00 ,  H04B7/0456 ,  H04B7/04 ,  H04B7/06 ,  H04W72/04

CPC classification number: H04L5/0048 ,  H04B7/0456 ,  H04B7/0469 ,  H04B7/0617 ,  H04B7/0628 ,  H04B7/0634 ,  H04W72/0453

Abstract: A method for transmitting signals to a user equipment at a base station in a wireless communication system is disclosed. The method includes generating a user equipment specific reference signal sequence for the user equipment, determining transmission resources for mapping the user equipment specific reference signal sequence, based on a vertical sector in which the user equipment is located, mapping the user equipment specific reference signal sequence to the determined transmission resources, and transmitting the user equipment specific reference signal sequence to the user equipment using a second-dimensional planar antenna.

公开(公告)号：US09526100B2

公开(公告)日：2016-12-20

申请号：US14406965

申请日：2013-05-06

Applicant: LG ELECTRONICS INC.

Inventor： Sunam Kim ,  Jaehoon Chung ,  Binchul Ihm

IPC: H04W4/00 ,  H04W72/04 ,  H04L5/00 ,  H04W36/00

CPC classification number: H04W72/0446 ,  H04L5/00 ,  H04L5/001 ,  H04L5/0035 ,  H04W36/0061 ,  H04W72/042 ,  H04W72/0426

Abstract: One embodiment of the present invention provides a method for determining a radio resource by a terminal. According to the method, information on a second cell can be received from a first cell, wherein a radio resource of the first cell includes a plurality of wireless frames along a time axis, each wireless frame includes a plurality of subframes, and the information on the second cell can include an ID of the second cell. In addition, a radio resource of the second cell can be determined by using the information on the second cell, wherein the radio resource of the second cell can be determined as a partial region in the wireless frames or the subframes of the first cell, which is indicated by the information on the second cell.

Abstract translation: 本发明的一个实施例提供一种终端确定无线电资源的方法。 根据该方法，可以从第一小区接收关于第二小区的信息，其中第一小区的无线资源包括沿着时间轴的多个无线帧，每个无线帧包括多个子帧，并且关于 第二小区可以包括第二小区的ID。 此外，可以通过使用关于第二小区的信息来确定第二小区的无线电资源，其中可以将第二小区的无线电资源确定为第一小区的无线帧或子帧中的部分区域，其中 由第二小区上的信息指示。

公开(公告)号：US09516636B2

公开(公告)日：2016-12-06

申请号：US14355789

申请日：2012-12-07

Applicant: LG ELECTRONICS INC.

Inventor： Sungho Park ,  Jinyoung Chun ,  Kitae Kim ,  Sunam Kim ,  Jiwon Kang ,  Binchul Ihm

IPC: H04W72/04 ,  H04W72/14 ,  H04L5/00

CPC classification number: H04W72/042 ,  H04L5/0044 ,  H04L5/0053 ,  H04W72/0446 ,  H04W72/14

Abstract: The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for transceiving a downlink control channel. According to one embodiment of the present invention, a method in which a base station transmits a downlink control channel to a terminal in a wireless communication system comprises the steps of: transmitting one or more enhanced-physical downlink control channels (E-PDCCHs) within a resource region allocable for an E-PDCCH; and transmitting E-PDCCH allocation resource information for the one or more E-PDCCHs to the terminal. The E-PDCCH allocation resource information indicates the resource in which the one or more E-PDCCHs exist from among the resource region allocable to the E-PDCCH. An effective physical downlink shared channel (PDSCH) allocation resource region for the terminal can be determined on the basis of the E-PDCCH allocation resource information.

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，更具体地，涉及用于收发下行链路控制信道的方法和装置。 根据本发明的一个实施例，一种基站在无线通信系统中向终端发送下​​行链路控制信道的方法包括以下步骤：在一个或多个增强物理下行链路控制信道（E-PDCCH）内发送一个或多个增强物理下行链路控制信道 可分配给E-PDCCH的资源区域; 以及向所述终端发送所述一个或多个E-PDCCH的E-PDCCH分配资源信息。 E-PDCCH分配资源信息指示可分配给E-PDCCH的资源区域中存在一个或多个E-PDCCH的资源。 可以基于E-PDCCH分配资源信息来确定用于终端的有效物理下行链路共享信道（PDSCH）分配资源区域。

公开(公告)号：US09413506B2

公开(公告)日：2016-08-09

申请号：US14347573

申请日：2012-09-19

Applicant: LG ELECTRONICS INC.

Inventor： Kitae Kim ,  Jinyoung Chun ,  Sunam Kim ,  Jiwon Kang ,  Binchul Ihm ,  Sungho Park

IPC: H04L5/02 ,  H04L5/00 ,  H04L1/18

CPC classification number: H04W72/0413 ,  H04L1/1861 ,  H04L1/1896 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0053 ,  H04L5/0055 ,  H04L5/0094 ,  H04W72/042

Abstract: A multiple distributed system is disclosed. An uplink control resource allocation method for a user equipment to transmit an Acknowledgement/Negative ACK (ACK/NACK) signal includes receiving one or more Enhanced-Physical Downlink Control Channels (E-PDCCHs), receiving one or more Physical Downlink Shared Channels (PDSCHs) corresponding to the one or more E-PDCCHs, and transmitting ACK/NACK signals for reception of the one or more PDSCHs through a Physical Uplink Control Channel (PUCCH), wherein Control Channel Element (CCE) indexes of the PUCCH transmitting the ACK/NACK signals are determined in consideration of first CCE indexes of the one or more E-PDCCHs and the number of CCEs of a PUCCH determined by a higher layer.

Abstract translation: 公开了一种多重分布式系统。 用于用户设备发送确认/否定ACK（ACK / NACK）信号的上行链路控制资源分配方法包括接收一个或多个增强物理下行链路控制信道（E-PDCCH），接收一个或多个物理下行链路共享信道 ），并且通过物理上行链路控制信道（PUCCH）发送用于接收一个或多个PDSCH的ACK / NACK信号，其中PUCCH发送ACK / NACK信号的控制信道元素（CCE）索引， 考虑到一个或多个E-PDCCH的第一CCE索引和由较高层确定的PUCCH的CCE数量来确定NACK信号。

公开(公告)号：US09136930B2

公开(公告)日：2015-09-15

申请号：US14414664

申请日：2012-11-14

Applicant: LG ELECTRONICS INC.

Inventor： Hyukmin Son ,  Jinmin Kim ,  Jaehoon Chung ,  Sunam Kim

IPC: H04L1/02 ,  H04L27/28 ,  H04B7/06 ,  H04B7/04

CPC classification number: H04B7/0626 ,  H04B7/0413 ,  H04B7/0478 ,  H04B7/0663

Abstract: The present invention relates to a wireless communication system and, more particularly, to a method and device for compressing and feeding back channel information in a wireless communication system supporting a multi-input multi-output (MIMO) scheme. A method for feeding back channel information by a terminal in a wireless communication system supporting a MINO scheme, according to one embodiment of the present invention, can comprise the steps of: calculating a channel matrix on the basis of a reference signal received from a base station; calculating a first valid channel vector by using a reception weight vector and the channel matrix; and calculating a second valid channel vector by setting a coefficient corresponding to each basis vector included in a basis matrix as 0 if the coefficient is equal to or less than a threshold when the first valid channel vector is factored by the basis matrix.

Abstract translation: 本发明涉及一种无线通信系统，更具体地说，涉及一种在支持多输入多输出（MIMO）方案的无线通信系统中压缩和反馈信道信息的方法和设备。 根据本发明的一个实施例的在支持MINO方案的无线通信系统中由终端反馈信道信息的方法可以包括以下步骤：基于从基站接收的参考信号来计算信道矩阵 站; 通过使用接收权重向量和信道矩阵来计算第一有效信道向量; 以及当所述第一有效信道向量由所述基本矩阵构成因子时，如果所述系数等于或小于阈值，则通过将包括在基本矩阵中的每个基本向量对应的系数设置为0来计算第二有效信道向量。

公开(公告)号：US20150207555A1

公开(公告)日：2015-07-23

申请号：US14414664

申请日：2012-11-14

Applicant: LG ELECTRONICS INC.

Inventor： Hyukmin Son ,  Jinmin Kim ,  Jaehoon Chung ,  Sunam Kim

IPC: H04B7/06 ,  H04B7/04

CPC classification number: H04B7/0626 ,  H04B7/0413 ,  H04B7/0478 ,  H04B7/0663

Abstract: The present invention relates to a wireless communication system and, more particularly, to a method and device for compressing and feeding back channel information in a wireless communication system supporting a multi-input multi-output (MIMO) scheme. A method for feeding back channel information by a terminal in a wireless communication system supporting a MINO scheme, according to one embodiment of the present invention, can comprise the steps of: calculating a channel matrix on the basis of a reference signal received from a base station; calculating a first valid channel vector by using a reception weight vector and the channel matrix; and calculating a second valid channel vector by setting a coefficient corresponding to each basis vector included in a basis matrix as 0 if the coefficient is equal to or less than a threshold when the first valid channel vector is factored by the basis matrix.

Abstract translation: 本发明涉及一种无线通信系统，更具体地说，涉及一种在支持多输入多输出（MIMO）方案的无线通信系统中压缩和反馈信道信息的方法和设备。 根据本发明的一个实施例的在支持MINO方案的无线通信系统中由终端反馈信道信息的方法可以包括以下步骤：基于从基站接收的参考信号来计算信道矩阵 站; 通过使用接收权重向量和信道矩阵来计算第一有效信道向量; 以及当所述第一有效信道向量由所述基本矩阵构成因子时，如果所述系数等于或小于阈值，则通过将包括在基本矩阵中的每个基本向量对应的系数设置为0来计算第二有效信道向量。

公开(公告)号：US20150195077A1

公开(公告)日：2015-07-09

申请号：US14419635

申请日：2013-07-31

Applicant: LG ELECTRONICS INC.

Inventor： Kitae Kim ,  Jaehoon Chung ,  Sunam Kim

IPC: H04L5/00 ,  H04L27/26

CPC classification number: H04L5/0069 ,  H04L5/0037 ,  H04L5/0048 ,  H04L5/0053 ,  H04L27/2607

Abstract: Disclosed herein is a method of transceiving a signal between a transmitter and a receiver in a wireless communication system. The method includes transceiving the signal in units of a subframe including a plurality of symbols. Each of the plurality of symbols includes a valid symbol and a cyclic prefix, and a length of the cyclic prefix is changed according to a distance between the transmitter and the receiver.

Abstract translation: 这里公开了一种在无线通信系统中收发发射机和接收机之间的信号的方法。 该方法包括以包括多个符号的子帧为单位收发信号。 多个符号中的每一个包括有效符号和循环前缀，并且循环前缀的长度根据发射机和接收机之间的距离而改变。

公开(公告)号：US09014045B2

公开(公告)日：2015-04-21

申请号：US14076049

申请日：2013-11-08

Applicant: LG Electronics Inc.

Inventor： Hyunsoo Ko ,  Sunam Kim ,  Dongguk Lim ,  Moonil Lee ,  Jaehoon Chung

IPC: H04L1/00 ,  H04B7/04 ,  H04L5/00 ,  H04L25/03

CPC classification number: H04B7/0456 ,  H04B7/0417 ,  H04B7/0469 ,  H04B7/0478 ,  H04B7/0486 ,  H04B7/0617 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/10 ,  H04L1/0026 ,  H04L1/0027 ,  H04L1/0028 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0053 ,  H04L5/0057 ,  H04L5/006 ,  H04L25/03343 ,  H04L2025/03426 ,  H04L2025/03808 ,  H04W48/08 ,  H04W72/00 ,  H04W72/0413 ,  H04W72/0446

Abstract: A method and apparatus for performing effective feedback in a wireless communication system supporting multiple antennas. A method for transmitting CSI of downlink transmission via uplink in a wireless communication system includes transmitting a joint-coded rank indicator (RI) and a first wideband (WB) precoding matrix indicator (PMI) at a first subframe, and transmitting a wideband channel quality indicator (WB CQI) and a second WB PMI at a second subframe. A user equipment (UE) preferred precoding matrix is indicated by a combination of the first PMI and the second PMI. If the RI is Rank-1 or Rank-2, the first PMI indicates one of subsets each having 8 indexes from among 16 indexes of the first PMI of a precoding codebook.

Abstract translation: 一种用于在支持多个天线的无线通信系统中执行有效反馈的方法和装置。 一种用于在无线通信系统中经由上行链路发送下行链路传输的CSI的方法包括：在第一子帧处发送联合编码秩指示符（RI）和第一宽带（WB）预编码矩阵指示符（PMI），并发送宽带信道质量 指示符（WB CQI）和第二子帧的第二WB PMI。 用户设备（UE）优选预编码矩阵由第一PMI和第二PMI的组合指示。 如果RI是Rank-1或Rank-2，则第一PMI指示每个具有来自预编码码本的第一PMI的16个索引中的8个索引的子集之一。

公开(公告)号：US20150036664A1

公开(公告)日：2015-02-05

申请号：US14380395

申请日：2013-02-22

Applicant: LG ELECTRONICS INC.

Inventor： Youngsoo Yuk ,  Sunam Kim ,  Jaehoon Chung

IPC: H04W36/30

CPC classification number: H04W36/0094 ,  H04W24/08 ,  H04W36/0055 ,  H04W36/30 ,  H04W88/06

Abstract: The present invention relates to a method for a terminal to perform a handover in a cloud radio access network (C-RAN), including the steps of: receiving information on at least one candidate remote radio head (RRH); measuring the strength of received signals from at least one candidate RRH and a serving cell for the terminal; and, when the strength of the received signals from the candidate RRH and the serving cell of the terminal satisfy a predetermined relationship according to the measured result, transmitting feedback information, including the measured result, to the candidate RRH.

Abstract translation: 本发明涉及一种终端在云无线接入网（C-RAN）中执行切换的方法，包括以下步骤：接收关于至少一个候选的远程无线电头（RRH）的信息; 测量来自终端的至少一个候选RRH和服务小区的接收信号的强度; 并且当来自候选RRH和终端的服务小区的接收信号的强度根据测量结果满足预定关系时，将包括测量结果的反馈信息发送到候选RRH。

公开(公告)号：US12212443B2

公开(公告)日：2025-01-28

申请号：US18001835

申请日：2020-06-18

Applicant: LG ELECTRONICS INC.

Inventor： Minseog Kim ,  Sunam Kim ,  Jaehwan Kim ,  Sung Ryong Hong

IPC: H04L27/26

Abstract: A method of operating a terminal and a base station in a wireless communication system and an apparatus supporting the same are disclosed. As an example, a method of operating a terminal in a wireless communication system comprises receiving information related to a configuration for a unique word (UW) from a base station, receiving UW-orthogonal frequency division multiplexing (OFDM) symbols including data from the base station, and processing the UW-OFDM symbols based on the information related to the configuration for the UW.