公开(公告)号：US20150382223A1

公开(公告)日：2015-12-31

申请号：US14767892

申请日：2014-03-11

Applicant: LG ELECTRONICS INC.

Inventor： Hyunsoo KO ,  Jiwon KANG ,  Jaehoon CHUNG

IPC: H04W24/10 ,  H04B7/06

CPC classification number: H04B7/0626 ,  H04B7/0456 ,  H04B7/0469 ,  H04B7/0617 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0634 ,  H04B7/0639 ,  H04B7/0665 ,  H04L5/0048 ,  H04W24/10 ,  H04W72/0413

Abstract: The present invention relates to a wireless communication system and, more specifically, to a method and device for reporting channel state information (CSI). The method by which a terminal in a wireless communication system reports CSI, according to one embodiment of the present invention, can comprise the steps of: receiving a reference signal from a base station; and reporting, to the base station, the CSI generated by using the reference signal. The CSI can include at least one first domain precoding matrix indicator (PMI) indicating a first precoding matrix for a first domain of a two-dimensional antenna structure and at least one second domain PMI indicating a second precoding matrix for a second domain of the two-dimensional antenna structure. A reporting period of the at least one first domain PMI can be shorter than a reporting period of the at least one second domain PMI.

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，涉及用于报告信道状态信息（CSI）的方法和设备。 根据本发明的一个实施例，无线通信系统中的终端报告CSI的方法可以包括以下步骤：从基站接收参考信号; 并向基站报告通过使用参考信号生成的CSI。 CSI可以包括指示用于二维天线结构的第一域的第一预编码矩阵的至少一个第一域预编码矩阵指示符（PMI）以及指示用于二维天线结构的第二域的第二预编码矩阵的至少一个第二域PMI 维天线结构。 所述至少一个第一域PMI的报告周期可以比所述至少一个第二域PMI的报告周期短。

公开(公告)号：US20150341152A1

公开(公告)日：2015-11-26

申请号：US14758787

申请日：2013-12-31

Applicant: LG ELECTRONICS INC.

Inventor： Jinmin KIM ,  Jaehoon CHUNG

IPC: H04L5/00 ,  H04B7/04 ,  H04W72/04 ,  H04W24/10

CPC classification number: H04L5/0048 ,  H04B7/0417 ,  H04L5/00 ,  H04W24/00 ,  H04W24/10 ,  H04W72/042 ,  H04W88/02

Abstract: The present invention relates to a wireless access system that supports massive MIMO, and provides a method for transceiving channel state information (CSI) for operating the massive MIMO and an apparatus for supporting said method. The method for transmitting CSI by a terminal in a wireless access system that supports massive multi-input multi-output (MIMO), according to one embodiment of the present invention, may comprise the steps of: receiving a signal including report period information; receiving downlink data including a reference signal; measuring first CSI using the reference signal; acquiring second CSI using the first CSI; and reporting the first CSI or the second CSI to a base station based on the report period information. According to the present invention, the first CSI may be information on a first antenna set including antennas for transmitting the reference signal, and the second CSI may be information on a second antenna set including antennas not transmitting the reference signal.

Abstract translation: 本发明涉及支持大量MIMO的无线接入系统，并且提供了一种用于收发用于操作大规模MIMO的信道状态信息（CSI）的方法以及用于支持所述方法的装置。 根据本发明的一个实施例，用于在支持大量多输入多输出（MIMO）的无线接入系统中的终端发送CSI的方法可以包括以下步骤：接收包括报告周期信息的信号; 接收包括参考信号的下行链路数据; 使用参考信号测量第一CSI; 使用第一CSI获取第二CSI; 以及基于所述报告周期信息向所述基站报告所述第一CSI或所述第二CSI。 根据本发明，第一CSI可以是包括用于发送参考信号的天线的第一天线组的信息，并且第二CSI可以是包括不发送参考信号的天线的第二天线组的信息。

公开(公告)号：US20150333844A1

公开(公告)日：2015-11-19

申请号：US14651606

申请日：2013-12-12

Applicant: LG ELECTRONICS INC. ,  INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY

Inventor： Jinmin KIM ,  Jaehoon CHUNG ,  Dongku KIM ,  Jinyoung JANG ,  Hyukjin CHAE ,  Sungyoon CHO ,  Hyunsoo KO ,  Hyunsu CHA

IPC: H04B15/00 ,  H04W56/00

CPC classification number: H04B15/00 ,  H04B7/0413 ,  H04B7/26 ,  H04B7/2656 ,  H04L5/0023 ,  H04L5/0073 ,  H04W56/001

Abstract: The present invention provides adaptive blind interference alignment (BIA) methods capable of controlling interference between users without channel information, and devices for supporting the same. A method for transmitting a signal according to the adaptive BIA method in a wireless access system, as one embodiment of the present invention comprises the steps of enabling a transmitter to constitute a first block including preferred signals and interference signals on the basis of the number of receivers within a cell and the number of reception modes of the receiver; enabling the transmitter to constitute a second block including one kind of signal from the preferred signals or the interference signals; enabling the transmitter to constitute alignment blocks for each receiver by combining the first block with the second block; and enabling the transmitter to transmit the alignment blocks to the receivers according to transmission symbol patterns corresponding to the alignment blocks.

Abstract translation: 本发明提供了能够控制用户之间没有信道信息的干扰的自适应盲干扰对准（BIA）方法，以及用于支持该干扰对准的装置。 根据本发明的一个实施例，根据自适应BIA方法在无线接入系统中发送信号的方法包括以下步骤：使得发射机能够基于所述数量来构成包括优选信号和干扰信号的第一块 单元内的接收机和接收机的接收模式数量; 使得所述发射机构成包括来自所述优选信号或所述干扰信号的一种信号的第二块; 使得所述发射机通过将所述第一块与所述第二块组合来构成每个接收机的对准块; 并且使得发射机能够根据与对准块对应的传输符号模式将对准块发射到接收机。

公开(公告)号：US20150327119A1

公开(公告)日：2015-11-12

申请号：US14789941

申请日：2015-07-01

Applicant: LG ELECTRONICS INC.

Inventor： Hyunsoo KO ,  Jaehoon CHUNG ,  Seunghee HAN ,  Moonil LEE

IPC: H04W28/04 ,  H04W24/10 ,  H04B7/06

CPC classification number: H04B7/0632 ,  H04B7/0417 ,  H04B7/0456 ,  H04B7/0469 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0639 ,  H04B7/068 ,  H04L1/0026 ,  H04L1/0027 ,  H04L1/1671 ,  H04L5/001 ,  H04L5/0023 ,  H04L27/2601 ,  H04W24/10 ,  H04W74/0858

Abstract: A method for transmitting channel status information (CSI) of downlink multi-carrier transmission includes generating the CSI including at least one of a rank indicator (RI), a first precoding matrix index (PMI), a second PMI and a channel quality indicator (CQI) for one or more downlink carriers, the CQI being calculated based on precoding information determined by a combination of the first and second PMIs, determining, when two or more CSIs collide with one another in one uplink subframe of one uplink carrier, a CSI to be transmitted on the basis of priority, and transmitting the determined CSI over a uplink channel. If a CSI including an RI or a wideband first PMI collides with a CSI including a wideband CQI or a subband CQI, the CSI including a wideband CQI or a subband CQI has low priority and is dropped.

Abstract translation: 用于发送下行链路多载波传输的信道状态信息（CSI）的方法包括：生成包括秩指示符（RI），第一预编码矩阵索引（PMI），第二PMI和信道质量指示符 CQI），基于由第一和第二PMI的组合确定的预编码信息来计算CQI，当两个或更多个CSI在一个上行链路载波的一个上行链路子帧中彼此冲突时，确定CSI 基于优先级发送，并通过上行链路信道发送所确定的CSI。 如果包括RI或宽带第一PMI的CSI与包括宽带CQI或子带CQI的CSI相冲突，则包括宽带CQI或子带CQI的CSI具有低优先级并被丢弃。

公开(公告)号：US20150327048A1

公开(公告)日：2015-11-12

申请号：US14651631

申请日：2013-09-13

Applicant: LG ELECTRONICS INC. ,  INDUSTRY-ACADEMIC COOPERATION FOUNDATION YONSEL UNIVERSITY

Inventor： Eunjong LEE ,  Genebeck HAHN ,  Heetae ROH ,  Jangwon LEE ,  Jaehoon CHUNG

IPC: H04W8/00 ,  H04W72/04 ,  H04W76/02 ,  H04W4/00

CPC classification number: H04W8/005 ,  H04W4/70 ,  H04W72/0406 ,  H04W76/14 ,  H04W92/18

Abstract: A method and user equipment (UE) for performing device-to-device (D2D) communication in a wireless communication system is disclosed. The method of performing D2D communication by a D2D UE includes informing a mobility management entity (MME) about a first identifier (ID) of a target UE of D2D communication, receiving information regarding a second ID and a D2D peer discovery section, corresponding to the target UE, determining whether D2D communication with the target UE is possible using the received information, requesting the D2D communication with the target UE to the MME when the D2D communication with the target UE is possible, and receiving a D2D link ID allocated to the D2D link with the target UE from a base station (BS) receiving approval of communication of the MME.

Abstract translation: 公开了一种用于在无线通信系统中执行设备到设备（D2D）通信的方法和用户设备（UE）。 由D2D UE执行D2D通信的方法包括向移动性管理实体（MME）通知关于D2D通信的目标UE的第一标识符（ID），接收与第二ID相对应的第二ID和D2D对等体发现部分的信息 目标UE，当与目标UE的D2D通信可能时，使用所接收的信息确定是否可以使用所接收的信息来请求与目标UE的D2D通信，并且接收分配给D2D的D2D链路ID 从接收到MME的通信许可的基站（BS）与目标UE链接。

公开(公告)号：US20150311985A1

公开(公告)日：2015-10-29

申请号：US14565736

申请日：2014-12-10

Applicant: LG ELECTRONICS INC.

Inventor： Jinmin KIM ,  Jaehoon CHUNG ,  Genebeck HAHN ,  Eunjong LEE ,  Kukheon CHOI ,  Kwangseok NOH

IPC: H04B15/00 ,  H04B7/24

CPC classification number: H04B15/02 ,  H04B1/48 ,  H04B1/525 ,  H04B7/026 ,  H04B7/0626 ,  H04B7/24 ,  H04B15/00 ,  H04B2001/485

Abstract: An apparatus for cancelling a self-interference signal between a transmission antenna and a reception antenna is disclosed. The apparatus includes a first self-interference signal cancellation unit for cancelling a self-interference signal in consideration of a linear channel between the transmission antenna and the reception antenna, a second self-interference signal cancellation unit for cancelling a self-interference signal in consideration of nonlinear channel characteristic between the transmission antenna and the reception antenna or linear characteristic of a radio channel, and a controller for comparing a transmitted signal output from the transmission antenna and a received signal received by the reception antenna to provide a first coefficient to be applied to self-interference signal cancellation of a linear device in the first self-interference signal cancellation unit and a second coefficient to be applied to self-interference signal cancellation of a nonlinear device in the second self-interference signal cancellation unit.

Abstract translation: 公开了一种用于消除发射天线和接收天线之间的自干扰信号的装置。 该装置包括：第一自干扰信号消除单元，用于考虑发射天线与接收天线之间的线性信道来消除自干扰信号;第二自干扰信号消除单元，用于消除考虑到的自干扰信号 发送天线与接收天线之间的非线性信道特性或无线信道的线性特性，以及用于比较从发送天线输出的发送信号与接收天线接收到的接收信号的控制器，以提供要应用的第一系数 在第一自干扰信号消除单元中对线性设备进行自干扰信号消除，以及第二系数被应用于第二自干扰信号消除单元中的非线性设备的自干扰信号消除。

公开(公告)号：US20150304079A1

公开(公告)日：2015-10-22

申请号：US14440056

申请日：2013-11-04

Applicant: LG ELECTRONICS INC.

Inventor： Kitae KIM ,  Jinmin KIM ,  Hyunsoo KO ,  Jaehoon CHUNG

IPC: H04L5/00 ,  H04W56/00 ,  H04L27/26 ,  H04W76/04

CPC classification number: H04L5/0016 ,  H04B1/38 ,  H04L5/001 ,  H04L5/0048 ,  H04L5/0092 ,  H04L27/2665 ,  H04W52/04 ,  H04W56/00 ,  H04W56/001 ,  H04W76/27

Abstract: The present invention relates to a wireless communication system. The method whereby a terminal receives synchronizing signals in a wireless communication system supporting multi-carriers, according to one embodiment of the present invention, comprises the steps of: receiving location information on domains, from which the synchronizing signals are transmitted, among the domains resulting from the division of the whole system bandwidth into N parts along a frequency axis and into M parts along a time axis (wherein N and M are natural numbers); and receiving the synchronizing signals from the domains corresponding to the location information, wherein the respective synchronizing signals transmitted to multiple carriers can be transmitted from domains having a different frequency and/or time.

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，终端在支持多载波的无线通信系统中接收同步信号的方法包括以下步骤：从所述域中接收从其发送同步信号的域上的位置信息 从整个系统带宽划分成沿着频率轴的N个部分，并沿着时间轴（其中N和M是自然数）分成M个部分; 以及从对应于位置信息的域接收同步信号，其中可以从具有不同频率和/或时间的域发送发送到多个载波的各个同步信号。

公开(公告)号：US20150296467A1

公开(公告)日：2015-10-15

申请号：US14440049

申请日：2013-11-04

Applicant: LG ELECTRONICS INC.

Inventor： Kitae KIM ,  Jinmin KIM ,  Hyunsoo KO ,  Jaehoon CHUNG

IPC: H04W56/00 ,  H04L5/00 ,  H04W52/04 ,  H04B1/38

CPC classification number: H04L5/0016 ,  H04B1/38 ,  H04L5/001 ,  H04L5/0048 ,  H04L5/0092 ,  H04L27/2665 ,  H04W52/04 ,  H04W56/00 ,  H04W56/001 ,  H04W76/27

Abstract: The present invention relates to a wireless communication system. The method whereby a terminal receives a synchronizing signal in a wireless communication system according to one embodiment of the present invention may comprise the steps of: receiving location information on a domain, from which the synchronizing signal is transmitted, among domains resulting from the division of the whole system bandwidth into N parts along a frequency axis and into M parts along a time axis (wherein N and M are natural numbers); and receiving the synchronizing signal from the domain corresponding to the location 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。 在根据本发明的一个实施例的终端在无线通信系统中接收同步信号的方法可以包括以下步骤：从分区中产生的域中接收从其发送同步信号的域上的位置信息 整个系统带宽沿着频率轴分成N个部分，沿着时间轴分成M个部分（其中N和M是自然数）; 以及从对应于位置信息的域接收同步信号。

公开(公告)号：US20150043509A1

公开(公告)日：2015-02-12

申请号：US14523568

申请日：2014-10-24

Applicant: LG ELECTRONICS INC.

Inventor： Jiwoong JANG ,  Moonil LEE ,  Hyunwoo LEE ,  Jaehoon CHUNG ,  Seunghee HAN ,  Hyunsoo KO

IPC: H04L5/00

CPC classification number: H04L5/0058 ,  H03M13/09 ,  H03M13/2957 ,  H03M13/2963 ,  H03M13/6356 ,  H03M13/6362 ,  H03M13/6525 ,  H04B7/0417 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04L1/0031 ,  H04L1/0071 ,  H04L1/0073 ,  H04L1/0079 ,  H04L1/1671 ,  H04L5/0023 ,  H04L5/0055 ,  H04L5/0057 ,  H04L25/03343

Abstract: A method of transmitting a signal to a base station at a user equipment (UE) in a multi-antenna wireless communication system, can include generating interleaver input vector sequences, wherein the interleaver input vector sequences comprise vectors having a predetermined bit size, mapping the interleaver input vector sequences to an interleaver matrix, generating an output bit sequence by reading the interleaver matrix column by column, and transmitting the output bit sequence to the base station, wherein the predetermined bit size is defined by a product of a modulation order Qpm and the number NL of transmission layers.

Abstract translation: 在多天线无线通信系统中在用户设备（UE）处向基站发送信号的方法可以包括生成交织器输入向量序列，其中交织器输入向量序列包括具有预定比特大小的向量，映射到 交织器输入向量序列到交织器矩阵，通过逐列读取交织器矩阵来生成输出比特序列，并将输出比特序列发送到基站，其中预定比特大小由调制阶数Qpm和 传输层数NL。

公开(公告)号：US20150043500A1

公开(公告)日：2015-02-12

申请号：US14521207

申请日：2014-10-22

Applicant: LG Electronics Inc.

Inventor： Soyeon KIM ,  Jaehoon CHUNG ,  Seunghee HAN

IPC: H04L5/00 ,  H04W72/04

CPC classification number: H04L5/0053 ,  H04B7/0626 ,  H04B7/0639 ,  H04L1/0026 ,  H04L1/0027 ,  H04L5/001 ,  H04L5/0032 ,  H04L5/0057 ,  H04L5/006 ,  H04W72/0413 ,  H04W72/10 ,  H04W88/02

Abstract: A method for performing a channel state information (CSI) report in a wireless communication system, can include receiving, at a user equipment, a configuration message on each of a plurality of downlink component carriers (DL CCs), the configuration message including cell indexes indicating serving cells and information used for configuring the CSI report of the serving cells, and transmitting, at the user equipment, a CSI report of only a single serving cell in a corresponding subframe, wherein the transmitting of the CSI report of only the single serving cell including when CSI reports of two or more serving cells of the plurality of serving cells collide with each other in the corresponding subframe, dropping one or more CSI reports having lower priorities, and when CSI reports of different serving cells having a same priority collide with each other in the corresponding subframe, dropping CSI reports of one or more serving cells other than one serving cell having the lowest cell index.

Abstract translation: 一种用于在无线通信系统中执行信道状态信息（CSI）报告的方法，可以包括在用户设备处接收多个下行链路分量载波（DL CC）中的每一个上的配置消息，所述配置消息包括小区索引 指示服务小区和用于配置服务小区的CSI报告的信息，以及在用户设备处在相应子帧中仅发送单个服务小区的CSI报告，其中仅发送单个服务的CSI报告 包括当多个服务小区中的两个或更多个服务小区的CSI报告在相应子帧中相互冲突时，包括具有较低优先级的一个或多个CSI报告，以及当具有相同优先级的不同服务小区的CSI报告与 彼此在相应的子帧中，丢弃具有最小小区i的一个服务小区之外的一个或多个服务小区的CSI报告 ndex。