公开(公告)号：US20150189667A1

公开(公告)日：2015-07-02

申请号：US14582281

申请日：2014-12-24

Applicant: LG Electronics Inc.

Inventor： Kunil Yum ,  Hyungtae Kim ,  Kijun Kim ,  Jonghyun Park ,  Hanjun Park

IPC: H04W72/08 ,  H04W4/06 ,  H04W4/00 ,  H04W72/04

CPC classification number: H04W4/70 ,  H04L5/0073 ,  H04W4/06

Abstract: A method and apparatus for performing interference cancellation are disclosed. A method for performing interference cancellation of a user equipment (UE) includes: receiving interference control information including an index for indicating a subset of one or more interference information elements, the interference control information being scrambled by a specific identifier (ID) which decided a subset configuration of the one or more interference information elements; acquiring a subset of the one or more interference information elements corresponding to the index according to the subset configuration of the one or more interference information elements decided by the specific identifier (ID); and attempting to perform interference cancellation using the subset of the one or more interference information elements.

Abstract translation: 公开了一种用于执行干扰消除的方法和装置。 用于执行用户设备（UE）的干扰消除的方法包括：接收干扰控制信息，所述干扰控制信息包括用于指示一个或多个干扰信息元素的子集的索引，所述干扰控制信息由特定标识符（ID）加扰，所述特定标识符 一个或多个干扰信息元素的子集配置; 根据由特定标识符（ID）确定的一个或多个干扰信息元素的子集配置，获取与索引对应的一个或多个干扰信息元素的子集; 并且尝试使用所述一个或多个干扰信息元素的子集来执行干扰消除。

公开(公告)号：US20150180557A1

公开(公告)日：2015-06-25

申请号：US14409372

申请日：2013-07-09

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Jonghyun Park ,  Kijun Kim

IPC: H04B7/04

CPC classification number: H04B7/0417 ,  H04B7/0421 ,  H04B7/0456 ,  H04B7/046 ,  H04B7/0469 ,  H04B7/0478 ,  H04L25/03898

Abstract: The present invention relates to a method for a transmission end transmitting a feedback by using a codebook in a wireless communication system, which supports a multiple antennas, comprising the steps of: determining a first codeword for a first horizontal antenna group from a first codebook, which comprises at least one precoding matrix and is selected for a plurality of horizontal antenna groups from a predetermined codebook; determining a second codeword for a second horizontal antenna group; determining a third codeword for each of the antenna groups other than the first and second horizontal antenna groups, from the plurality of horizontal antenna groups; and providing a feedback of at least one of first, second and third codewords to a receiving end, wherein the third codeword is determined according to a phase increase value, which is determined in accordance with the first and second codewords.

Abstract translation: 本发明涉及一种用于在支持多个天线的无线通信系统中使用码本发送反馈的方法，包括以下步骤：从第一码本确定第一水平天线组的第一码字， 其包括至少一个预编码矩阵，并且针对来自预定码本的多个水平天线组选择; 确定第二水平天线组的第二码字; 从所述多个水平天线组中确定除了所述第一和第二水平天线组之外的每个天线组的第三码字; 以及向接收端提供至少一个第一，第二和第三码字的反馈，其中根据根据第一和第二码字确定的相位增加值来确定第三码字。

公开(公告)号：US20150078272A1

公开(公告)日：2015-03-19

申请号：US14383706

申请日：2013-09-16

Applicant: LG ELECTRONICS INC.

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

IPC: 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 receiving data by a user equipment (UE) in a cooperative multi-point (CoMP) wireless communication system includes receiving 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 corresponding to the transmission BS 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。 一种用于在协作式多点（CoMP）无线通信系统中由用户设备（UE）接收数据的方法包括：接收指示在多个参与CoMP的BS之间实际发送数据的传输基站（BS）的信息，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与发送BS对应的零功率CSI-RS的资源元素并且接收数据 通过物理下行链路控制信道（PDSCH）。

公开(公告)号：US20150017927A1

公开(公告)日：2015-01-15

申请号：US14378298

申请日：2013-03-22

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Kijun Kim

IPC: H04W24/08

CPC classification number: H04W24/08 ,  H04B17/318 ,  H04B17/345

Abstract: The present invention relates to a wireless communication system and, more particularly, to a method for enabling a terminal to measure the strength of an interference signal in a wireless communication system and a device therefor, wherein the method comprises the steps of: measuring a first interference strength, which is the strength of an interference signal received from a first base station group; calculating a second interference strength, which is the strength of an interference signal received from a second base station group; and correcting the first interference strength on the basis of the second interference strength.

Abstract translation: 本发明涉及一种无线通信系统，更具体地，涉及一种能够使终端能够测量无线通信系统及其装置中的干扰信号的强度的方法，其中，所述方法包括以下步骤：测量第一 作为从第一基站组接收到的干扰信号的强度的干扰强度; 计算第二干扰强度，其是从第二基站组接收的干扰信号的强度; 并且基于第二干涉强度来校正第一干涉强度。

公开(公告)号：US20150016292A1

公开(公告)日：2015-01-15

申请号：US14377702

申请日：2013-02-28

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Jonghyun Park ,  Kijun Kim

IPC: H04W24/08 ,  H04L5/00

CPC classification number: H04W24/08 ,  H04B1/1027 ,  H04B7/024 ,  H04B7/0632 ,  H04B7/0684 ,  H04B17/345 ,  H04L1/0026 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0048

Abstract: Disclosed is a method for measuring the intensity of an interference signal by a terminal in a wireless communication system. More particularly, a method for measuring the intensity of an interference signal from a first base station by a terminal in a coordinated multipoint (CoMP) environment comprises: a step of receiving a plurality of channel status information-reference signals (CSI-RSs) from a second base station; a step of receiving downlink signals output from a plurality of resource element (RE) pairs corresponding to the respective plurality of CSI-RSs from the first base station; and a step of measuring a plurality of interference intensities based on the plurality of CSI-RSs and the received downlink signals.

Abstract translation: 公开了一种用于在无线通信系统中测量终端的干扰信号的强度的方法。 更具体地说，一种用于在协同多点（CoMP）环境中由终端测量来自第一基站的干扰信号的强度的方法包括：从多个信道状态信息参考信号（CSI-RS）中接收多个信道状态信息参考信号 第二个基站; 从所述第一基站接收与所述多个CSI-RS对应的多个资源元素（RE）对输出的下行链路信号的步骤; 以及基于所述多个CSI-RS和所接收的下行链路信号来测量多个干扰强度的步骤。

公开(公告)号：US12289263B2

公开(公告)日：2025-04-29

申请号：US17608332

申请日：2020-05-04

Applicant: LG ELECTRONICS INC.

Inventor： Kyuseok Kim ,  Hyungtae Kim ,  Jiwon Kang ,  Kilbom Lee

IPC: H04L5/00 ,  H04W72/23

Abstract: A method for receiving the PTRS by a user equipment (UE) in a wireless communication system is disclosed, comprises the steps of: receiving PTRS related configuration information; receiving downlink control information (DCI), wherein a code point corresponding to one or more transmission configuration indication (TCI) states is indicated on the basis of an antenna port field of the DCI; and receiving the PTRS through an antenna port corresponding to a specific DMRS port among the DMRS ports, wherein a number of antenna ports for receiving the PTRS may be determined on the basis of at least one of the maximum values of i) the number of TCI states corresponding to the code point, ii) the number of CDM groups containing the DMRS port, or iii) the number of antenna ports for receiving the PTRS.

公开(公告)号：US12244529B2

公开(公告)日：2025-03-04

申请号：US17608329

申请日：2020-05-04

Applicant: LG ELECTRONICS INC.

Inventor： Kyuseok Kim ,  Hyungtae Kim ,  Jiwon Kang ,  Kilbom Lee

IPC: H04L5/00 ,  H04B7/0413 ,  H04W72/23

Abstract: A method for receiving a DM-RS by a user equipment (UE) in a wireless communication system is disclosed, compises receiving activation information; transmitting feedback information on the activation information; receiving downlink control information (DCI) including i) a transmission configuration indication (TCI) field and ii) an antenna port field; and receiving the DM-RS based on the DCI, wherein the activation information includes information related to mapping of a code point of the TCI field and a TCI state, wherein based on the TCI field indicating a code point mapped with a plurality of TCI states, and the antenna port field indicating antenna ports of a plurality of code division multiplexing (CDM) groups, a first TCI state among the plurality of TCI states corresponds to a CDM group associated with a first antenna port based on an instruction order of the antenna ports.

公开(公告)号：US12219579B2

公开(公告)日：2025-02-04

申请号：US17795852

申请日：2021-01-27

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Jiwon Kang

IPC: H04W72/232 ,  H04L1/08 ,  H04L5/00 ,  H04W72/12

Abstract: Disclosed are a method and a device for transmitting or receiving downlink control information in a wireless communication system. A method for receiving downlink control information (DCI) according to an embodiment of the present disclosure any comprise the steps of: repeatedly receiving the DCI via a plurality of physical downlink control channel (PDCCH) candidates; and transmitting or receiving data scheduled via the DCI. The DCI may be transmitted via a first physical downlink control channel (PDCCH) candidate within a first search space set and a second PDCCH candidate within a second search space set, the first search space set and the second search space set may be related to different transmission configuration indication (TCI) states, and a window that is a duration in which the first PDCCH candidate and the second PDCCH candidate are transmitted may be preconfigured in a time domain.

公开(公告)号：US12206480B2

公开(公告)日：2025-01-21

申请号：US17753413

申请日：2021-03-10

Applicant: LG ELECTRONICS INC.

Inventor： Jiwon Kang ,  Hyungtae Kim

IPC: H04L5/00 ,  H04B7/06 ,  H04L1/20 ,  H04W16/28 ,  H04W76/19

Abstract: Disclosed are a method and device for assessing radio link quality in a wireless communication system. A method for assessing radio link quality according to one embodiment of the present disclosure may comprise the steps of: receiving configuration information related to a control resource set (CORESET) from a base station; and assessing radio link quality on the basis of one or more reference signals (RS) for the CORESET related to a physical downlink control channel (PDCCH) monitored by a terminal. The radio link quality may be assessed on the basis of the one or more reference signals among a plurality of reference signals for which a quasi co-location (QCL) related to a spatial reception parameter for the CORESET has been set.

公开(公告)号：US12200693B2

公开(公告)日：2025-01-14

申请号：US17758737

申请日：2021-01-29

Applicant: LG ELECTRONICS INC.

Inventor： Jiwon Kang ,  Hyungtae Kim ,  Seonwook Kim

IPC: H04W72/1268 ,  H04W16/28 ,  H04W72/23

Abstract: A method and a device for repeatedly transmitting an uplink channel in a wireless communication system are disclosed. The method for repeatedly transmitting an uplink channel, according to one embodiment of the disclosure, can comprise the steps of: receiving configuration information related to the repeated transmission of N (N is a natural number) number of resource units (RUs) of an uplink channel; receiving downlink control information (DCI); and transmitting the uplink channel on the basis of the configuration information.