公开(公告)号：US09749996B2

公开(公告)日：2017-08-29

申请号：US14893899

申请日：2014-07-29

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun Park ,  Kijun Kim ,  Hyungtae Kim

IPC: H04W72/04 ,  H04B7/024 ,  H04L5/00 ,  H04W76/04 ,  H04W92/20

CPC classification number: H04W72/0406 ,  H04B7/024 ,  H04L5/0048 ,  H04L5/0053 ,  H04W76/27 ,  H04W92/20

Abstract: A method of performing, by means of a first transmission point, coordinated multi-point transmission based on the selection of a transmission point according to an embodiment of the present invention includes: selecting a second transmission point from among one or more candidate transmission points participating in the coordinated multi-point transmission; and transmitting a message to the second transmission point to request that the second transmission point transmits a physical downlink shared channel (PDSCH) to a terminal served by the first transmission point, wherein the message indicates a time duration for which the PDSCH is transmitted by the second transmission point.

公开(公告)号：US09698951B2

公开(公告)日：2017-07-04

申请号：US14759637

申请日：2014-01-13

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Kijun Kim

IPC: H04L5/00 ,  H04B7/06 ,  H04W24/08

CPC classification number: H04L5/0048 ,  H04L5/0016 ,  H04L5/0023 ,  H04L5/0057 ,  H04L5/0073 ,  H04W24/08

Abstract: The present invention relates to a wireless communication system. A method for user equipment transmitting channel state information (CSI) in the wireless communication system, according to the present invention, comprises the steps of: receiving information on an N number of CSI configurations for reporting the CSI; receiving information for selecting an M (2≦M≦N) number of the CSI configurations for joint CSI from the N number of the CSI configurations; calculating the M number of rank indexes (RI) based on each channel corresponding to the M number of CSI configurations; calculating a joint RI based on a synthetic channel generated by synthesizing the channels corresponding to the M number of the CSI configurations; and transmitting information on whether to report the joint CSI based on a result from comparing the M number of the RIs and the joint RI.

公开(公告)号：US09641284B2

公开(公告)日：2017-05-02

申请号：US14575702

申请日：2014-12-18

Applicant: LG ELECTRONICS INC.

Inventor： Hyunho Lee ,  Hyungtae Kim ,  Hanjun Park ,  Kunil Yum ,  Kijun Kim ,  Jonghyun Park ,  Youngtae Kim

IPC: H04L1/00 ,  H04L5/00

CPC classification number: H04L1/0026 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0072 ,  H04L1/1692 ,  H04L1/1854 ,  H04L5/0053

Abstract: A method for receiving information for interference cancellation of a user equipment (UE) includes detecting downlink control information including interference control information for a specific resource block (RB) scheduled for the UE by using an index of the specific RB, wherein the interference control information for the specific RB includes control information related to interference signal in the specific RB and indicates that the interference control information for the specific RB is the same as interference control information for one or more RBs having a series of indices subsequent to the index of the specific RB, and performing cancellation of interference signal corresponding to the interference control information in the specific RB and the one or more RBs using the interference control information for the specific RB.

公开(公告)号：US09634741B2

公开(公告)日：2017-04-25

申请号：US14775509

申请日：2014-07-29

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun Park ,  Kijun Kim ,  Hanjun Park ,  Hanbyul Seo ,  Byounghoon Kim ,  Hyungtae Kim

IPC: H04L5/00 ,  H04B7/024 ,  H04B7/26 ,  H04W74/00 ,  H04W92/20

CPC classification number: H04B7/024 ,  H04B7/0617 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/26 ,  H04L5/0035 ,  H04L5/0073 ,  H04W72/0446 ,  H04W74/002 ,  H04W92/20

Abstract: The present invention relates to a wireless communication system, and more particularly, to a method and device for performing or supporting NIB coordinated multi-point (CoMP) transmission in a wireless communication system. The method and device for performing NIB CoMP transmission in the wireless communication system according to an embodiment of the present invention include: receiving signaling comprising at least one CoMP hypothesis set and at least one benefit metric from a first network node, at a second network node; and performing CoMP transmission based on the at least one CoMP hypothesis set, at the second network node. The at least one CoMP hypothesis set comprises information on hypothetical operation of CoMP network nodes.

公开(公告)号：US20170079017A1

公开(公告)日：2017-03-16

申请号：US15263579

申请日：2016-09-13

Applicant: LG Electronics Inc.

Inventor： Hyungtae Kim ,  Jonghyun Park ,  Kijun Kim

IPC: H04W72/04 ,  H04L5/00

CPC classification number: H04W72/042 ,  H04L5/0007 ,  H04L5/0048 ,  H04L5/0096 ,  H04W88/06

Abstract: The present specification proposes a method for a user equipment to receive a DM-RS (demodulation-reference signal) from a base station in a multi-antenna-based wireless communication system. Specifically, the method includes the step of configuring a plurality of parameter sets via a higher layer signaling, receiving a downlink control signal including information on an antenna port for the DM-RS and a number of layers, and receiving the DM-RS and a downlink data signal corresponding to the DM-RS based on the downlink control signal. In this case, the downlink control signal comprises an indicator for indicating one of a plurality of the parameter sets and each of a plurality of the parameter sets comprises information indicating a scrambling identifier of the DM-RS.

Abstract translation: 本说明书提出了一种用于用户设备从基于多天线的无线通信系统中的基站接收DM-RS（解调参考信号）的方法。 具体而言，该方法包括：经由较高层信令配置多个参数集的步骤，接收包括关于DM-RS的天线端口和多个层的信息的下行链路控制信号，以及接收DM-RS和 基于下行链路控制信号对应于DM-RS的下行链路数据信号。 在这种情况下，下行链路控制信号包括用于指示多个参数集中的一个的指示符，并且多个参数集中的每一个包括指示DM-RS的加扰标识符的信息。

公开(公告)号：US09596067B2

公开(公告)日：2017-03-14

申请号：US14421787

申请日：2013-09-16

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Jonghyun Park ,  Kijun Kim ,  Eunsun Kim

IPC: H04L5/00 ,  H04B7/02 ,  H04B7/06 ,  H04W72/04

CPC classification number: H04L5/0048 ,  H04B7/024 ,  H04B7/0626 ,  H04L5/0005 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0053 ,  H04L5/0057 ,  H04L5/0073 ,  H04L5/0094 ,  H04W72/042 ,  H04W72/0446

Abstract: The present invention relates to a wireless communication system. A method for reporting CSI (Channel State Information) in a cooperative multi-point (CoMP) wireless communication system, the method performed by a user equipment (UE) and comprising receiving first resource configuration information for a CSI-RS (Channel-State Information-Reference Signal) and second resource configuration information for interference measurement; and calculating CSI using the first resource configuration information and the second resource configuration information, the CSI being for one or more base stations (BSs) among a plurality of BSs participating the COMP, wherein an interference measurement resource according to the second resource configuration information exists in a union of zero-power CSI-RS resources of each of the plurality of BSs.

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。 一种用于在协同多点（CoMP）无线通信系统中报告CSI（信道状态信息）的方法，所述方法由用户设备（UE）执行，并且包括：接收CSI-RS的第一资源配置信息（信道状态信息 - 参考信号）和第二资源配置信息进行干扰测量; 以及使用所述第一资源配置信息和所述第二资源配置信息来计算CSI，所述CSI用于参与所述COMP的多个BS中的一个或多个基站（BS），其中存在根据所述第二资源配置信息的干扰测量资源 在多个BS中的每一个的零功率CSI-RS资源的联合中。

公开(公告)号：US09596014B2

公开(公告)日：2017-03-14

申请号：US14606180

申请日：2015-01-27

Applicant: LG Electronics Inc.

Inventor： Kunil Yum ,  Hyungtae Kim ,  Kijun Kim

IPC: H04B1/10 ,  H04B1/71 ,  H04B7/04 ,  H04L1/00 ,  H04B7/02 ,  H04J11/00 ,  H04W28/06

CPC classification number: H04B7/0473 ,  H04B7/024 ,  H04B7/0452 ,  H04J11/005 ,  H04L1/00 ,  H04L1/1671 ,  H04W28/06

Abstract: A method and apparatus for cancelling interference are disclosed. The method for cancelling interference, performed by a User Equipment (UE) includes receiving interference transmission layer restriction information about a neighbor Base Station (BS) transmitting an interference signal or information about the number of antenna ports used in transmitting the interference signal by the neighbor BS, detecting control information about the interference signal using the interference transmission layer restriction information, and removing the interference signal using the detected control information. The control information includes a field related to precoding of the interference signal determined differently according to a field related to Multiple User Multiple Input Multiple Output (MU-MIMO) included in the interference transmission layer restriction information, the information about the number of antenna ports, or the control information.

Abstract translation: 公开了一种消除干扰的方法和装置。 由用户设备（UE）执行的消除干扰的方法包括：接收关于发送干扰信号的相邻基站（BS）的干扰传输层限制信息或关于由邻居发送干扰信号所使用的天线端口数量的信息 BS使用干扰发送层限制信息检测关于干扰信号的控制信息，以及使用检测到的控制信息来去除干扰信号。 控制信息包括与根据包含在干扰发送层限制信息中的与多用户多输入多输出（MU-MIMO）有关的领域不同地确定的干扰信号的预编码的有关的场，关于天线端口数的信息， 或控制信息。

公开(公告)号：US09509390B2

公开(公告)日：2016-11-29

申请号：US14961612

申请日：2015-12-07

Applicant: LG ELECTRONICS INC.

Inventor： Kijun Kim ,  Hyungtae Kim ,  Hanbyul Seo ,  Daewon Lee

IPC: H04W72/08 ,  H04B7/06 ,  H04W24/08 ,  H04W72/04 ,  H04W76/04 ,  H04B7/02 ,  H04J11/00 ,  H04L5/00 ,  H04L25/03 ,  H04W88/02 ,  H04W88/08

CPC classification number: H04B7/0626 ,  H04B7/024 ,  H04J11/0036 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0057 ,  H04L5/0094 ,  H04L25/03343 ,  H04L2025/03426 ,  H04W24/08 ,  H04W72/0406 ,  H04W72/0413 ,  H04W72/042 ,  H04W72/082 ,  H04W72/085 ,  H04W76/27 ,  H04W88/02 ,  H04W88/08

Abstract: A method for receiving channel state information (CSI) feedback by a base station supporting multiple transmit antennas from a mobile station; the base station therefore; a method for transmitting CSI feedback by a mobile station to a base station supporting multiple transmit antennas; and the mobile station therefore are discussed. The method for receiving CSI feedback by a base station includes according to one embodiment configuring, by the base station via radio resource control (RRC) signaling, one or more channel state information-reference signal (CSI-RS) configurations and one or more null resource element (RE) configurations; transmitting CSI-RSs; and receiving the CSI feedback measured based on the CSI-RSs and the one or more null RE configurations. The one or more CSI-RS configurations are used for a channel quality measurement of the CSI feedback. The one or more null RE configurations are used for an interference measurement of the CSI feedback.

Abstract translation: 一种由移动台支持多个发射天线的基站接收信道状态信息（CSI）反馈的方法; 因此基地台 用于将移动站的CSI反馈发送到支持多个发射天线的基站的方法; 因此讨论了移动台。 由基站接收CSI反馈的方法包括根据一个实施例，由基站经由无线电资源控制（RRC）信令配置一个或多个信道状态信息参考信号（CSI-RS）配置和一个或多个空值 资源元素（RE）配置; 传输CSI-RS; 以及接收基于CSI-RS测量的CSI反馈和一个或多个空RE配置。 一个或多个CSI-RS配置用于CSI反馈的信道质量测量。 一个或多个空RE配置用于CSI反馈的干扰测量。

公开(公告)号：US09504067B2

公开(公告)日：2016-11-22

申请号：US14376971

申请日：2013-03-07

Applicant: LG ELECTRONICS INC.

Inventor： Illsoo Sohn ,  Kijun Kim ,  Jonghyun Park ,  Hyungtae Kim

IPC: H04W24/10 ,  H04W74/08 ,  H04L1/06 ,  H04L1/00 ,  H04B7/02 ,  H04B7/06

CPC classification number: H04W74/0875 ,  H04B7/024 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/0647 ,  H04L1/0026 ,  H04L1/0027 ,  H04L1/0693 ,  H04W24/10

Abstract: The present invention relates to a wireless communication system. More particularly, the present invention relates to a method and apparatus for a terminal to report channel state information in a wireless communication system, the method comprising: a step of transmitting first channel state information according to a first channel state information (CSI) process for reporting the first channel state information periodically for every first period; a step of transmitting second channel state information according to a second CSI process for reporting the second channel state information periodically for every second period; and a step of dropping the transmission of either the first channel state information or the second channel state information on the basis of the CSI process index of each of the first and second CSI processes in the event the first channel state information transmission timing and the second channel state information transmission timing conflict.

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。 更具体地说，本发明涉及终端在无线通信系统中报告信道状态信息的方法和装置，该方法包括：根据第一信道状态信息（CSI）处理发送第一信道状态信息的步骤， 每第一个周​​期定期报告第一个信道状态信息; 根据用于每隔一个周期定期报告第二信道状态信息的第二CSI处理来发送第二信道状态信息的步骤; 以及在第一信道状态信息发送定时和第二信道状态信息发送定时的情况下，基于第一和第二CSI处理中的每一个的CSI处理索引来丢弃第一信道状态信息或第二信道状态信息的传输的步骤 信道状态信息传输定时冲突。

公开(公告)号：US09503234B2

公开(公告)日：2016-11-22

申请号：US14383738

申请日：2013-09-16

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Eunsun Kim ,  Hanjun Park ,  Hanbyul Seo ,  Jonghyun Park ,  Kijun Kim

IPC: H04W24/00 ,  H04W80/04 ,  H04W52/40 ,  H04L5/00 ,  H04B7/02 ,  H04W72/04 ,  H04B7/06

CPC classification number: H04L5/0048 ,  H04B7/024 ,  H04B7/0626 ,  H04L5/0005 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0053 ,  H04L5/0057 ,  H04L5/0073 ,  H04L5/0094 ,  H04W72/042 ,  H04W72/0446

Abstract: The present invention relates to a wireless communication system. A method for receiving data by a user equipment (UE) in a cooperative multi-point (CoMP) wireless communication system includes receiving downlink control information (DCI) that does not contain information indicating a transmission base station (BS) that actually transmits data among a plurality of BSs that participate in CoMP, receiving information about zero-power channel state information-reference signal (CSI-RS) of each of the plural BSs, and assuming that data is not mapped to a resource element of zero-power CSI-RS with a lowest index and receiving the data through a physical downlink control channel (PDSCH).

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。 一种用于在协作多点（CoMP）无线通信系统中由用户设备（UE）接收数据的方法包括：接收下行链路控制信息（DCI），该下行链路控制信息不包含指示实际发送数据的传输基站（BS）的信息 参与CoMP的多个BS接收关于多个BS中的每一个的零功率信道状态信息参考信号（CSI-RS）的信息，并且假定该数据未映射到零功率CSI- RS，并通过物理下行链路控制信道（PDSCH）接收数据。