公开(公告)号：US20160248568A1

公开(公告)日：2016-08-25

申请号：US15142449

申请日：2016-04-29

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae KIM ,  Jonghyun PARK ,  Kijun KIM ,  Eunsun KIM

IPC: H04L5/00 ,  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.

公开(公告)号：US20160248560A1

公开(公告)日：2016-08-25

申请号：US15141523

申请日：2016-04-28

Applicant: LG ELECTRONICS INC.

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

IPC: H04L5/00 ,  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 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).

公开(公告)号：US20160072567A1

公开(公告)日：2016-03-10

申请号：US14784422

申请日：2014-04-29

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae KIM ,  Hanjun PARK ,  Kijun KIM ,  Hyunho LEE ,  Kunil YUM

IPC: H04B7/04 ,  H04B7/06

CPC classification number: H04B7/0486 ,  H04B7/0478 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639

Abstract: The present invention relates to a wireless communication system. According to one embodiment of the present invention, a method for transmitting, by a terminal, channel state information (CSI) in a wireless communication system comprises the steps of: subsampling a code book for four antenna ports, including sixteen precoding matrixes; and feeding back the CSI on the basis of the subsampled code book, wherein the CSI includes at least one of a rank indicator (RI), a precoding matrix indicator (PMI) and a channel quality indicator (CQI), and if the RI is 3, the subsampled code book can be determined so as to minimize a chordal distance between subsampled code words.

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，一种用于通过终端在无线通信系统中发送信道状态信息（CSI）的方法包括以下步骤：对包括十六个预编码矩阵的四个天线端口进行二次采样; 并且基于子采样码本反馈CSI，其中CSI包括秩指示符（RI），预编码矩阵指示符（PMI）和信道质量指示符（CQI）中的至少一个，并且如果RI是 如图3所示，可以确定子采样代码簿，以便使二次采样码字之间的弦距离最小化。

公开(公告)号：US20150372732A1

公开(公告)日：2015-12-24

申请号：US14649144

申请日：2013-12-10

Applicant: LG ELECTRONICS INC.

Inventor： Youngtae KIM ,  Hyungtae KIM ,  Hanjun PARK ,  Kijun KIM ,  Jonghyun PARK

IPC: H04B7/04 ,  H04B7/06

CPC classification number: H04B7/0478 ,  H04B7/04 ,  H04B7/0417 ,  H04B7/0469 ,  H04B7/0626 ,  H04B7/0639 ,  H04B7/065 ,  H04L1/0026 ,  H04L1/0027 ,  H04L5/0023 ,  H04L5/0057

Abstract: The present invention relates to a method by which a terminal feeds back channel state information for downlink transmission in a wireless communication system supporting multiple antennas. More specifically, the present invention comprises a step of transmitting a first precoding matrix index (PMI) and a second PMI for each sub-band, wherein a precoding matrix preferred by the terminal is instructed to combine the first PMI and the second PMI, and a precoding codebook in which a portion of a plurality of bits forming the second PMI is additionally used to form the first PMI is applied.

Abstract translation: 本发明涉及一种终端在支持多个天线的无线通信系统中反馈用于下行链路传输的信道状态信息的方法。 更具体地说，本发明包括发送每个子带的第一预编码矩阵索引（PMI）和第二PMI的步骤，其中指示由终端优选的预编码矩阵组合第一PMI和第二PMI，以及 应用附加地使用形成第二PMI的多个比特的一部分来形成第一PMI的预编码码本。

公开(公告)号：US20150181464A1

公开(公告)日：2015-06-25

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: H04W28/04 ,  H04L1/00 ,  H04W72/04

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.

Abstract translation: 一种用于接收用户设备（UE）的干扰消除的信息的方法包括：通过使用所述特定RB的索引来检测包括为所述UE调度的特定资源块（RB）的干扰控制信息的下行链路控制信息，其中所述干扰控制信息 由于特定RB包括与特定RB中的干扰信号有关的控制信息，并且指示特定RB的干扰控制信息与用于具有特定RB的索引之后的一系列索引的一个或多个RB的干扰控制信息相同 RB，并使用特定RB的干扰控制信息来执行与特定RB中的干扰控制信息和一个或多个RB相对应的干扰信号的消除。

公开(公告)号：US20250071776A1

公开(公告)日：2025-02-27

申请号：US18946041

申请日：2024-11-13

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae KIM ,  Jiwon KANG ,  Kilbom LEE

IPC: H04W72/23 ,  H04L5/00 ,  H04L25/03 ,  H04W24/10 ,  H04W72/044

Abstract: A method by which a terminal receives data in a wireless communication system can comprise the steps of: receiving configuration information relating to a control resource of a physical control channel; allowing one or more control resources included in the configuration information to be respectively set to a first control resource group or a second control resource group, and receiving a first physical control channel and a second physical control channel on the basis of the configuration information; receiving a first physical data channel on the basis of the first control resource group related to a control resource in which the first physical control channel is received; and receiving a second physical data channel on the basis of the second control resource group related to a control resource in which the second physical control channel is received.

公开(公告)号：US20240397508A1

公开(公告)日：2024-11-28

申请号：US18792293

申请日：2024-08-01

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae KIM ,  Jiwon KANG

IPC: H04W72/1263 ,  H04L5/00 ,  H04W72/0446 ,  H04W72/23

Abstract: The present disclosure provides a method for transmitting or receiving a data channel in a wireless communication system, and an apparatus therefor. Specifically, a method for receiving a data channel by a user equipment (UE) in a wireless communication system may include: receiving downlink control information (DCI), wherein the DCI includes i) a transmission configuration indication (TCI) field and ii) an antenna port field; and receiving the data channel based on the DCI, wherein multiple TCI states are indicated on the basis of the TCI field, a demodulation reference signal (DM-RS) port is indicated on the basis of the antenna port field, and a repetition scheme of the data channel is determined on the basis of the number of code division multiplexing (CDM) groups including a DM-RS port in which the data channel is received.

公开(公告)号：US20240381370A1

公开(公告)日：2024-11-14

申请号：US18784052

申请日：2024-07-25

Applicant: LG ELECTRONICS INC.

Inventor： Jiwon KANG ,  Hyungtae KIM ,  Kyuseok KIM

IPC: H04W72/23 ,  H04B7/0408 ,  H04W8/24

Abstract: The present specification proposes a method for transceiving a plurality of PDSCHs in a wireless communication system and an apparatus therefor. Specifically, a method performed by a user equipment (UE) may comprise the steps of: transmitting UE capability information related to the number of beams received that can be simultaneously supported; receiving a plurality of physical downlink control channels (PDCCH) comprising PDSCH scheduling information; and receiving the plurality of PDSCHs by using preset spatial quasi co-location (QCL) information on the basis of at least one PDSCH scheduled within the time required to apply the spatial QCL information.

公开(公告)号：US20240340669A1

公开(公告)日：2024-10-10

申请号：US18294070

申请日：2022-07-14

Applicant: LG Electronics Inc.

Inventor： Hyungtae KIM ,  Kyuseok KIM

IPC: H04W24/10 ,  H04L5/00

CPC classification number: H04W24/10 ,  H04L5/0051

Abstract: Disclosed are method and device for transmitting and receiving channel state information (CSI) in a wireless communication system. A method for transmitting CSI according to an embodiment of the present disclosure may comprise the steps of: receiving configuration information related to CSI from a base station; receiving a CSI-reference signal (CSI-RS) on multiple CSI-RS resources from the base station; and transmitting first CSI to the base station on the basis of the configuration information.

公开(公告)号：US20240314796A1

公开(公告)日：2024-09-19

申请号：US18677263

申请日：2024-05-29

Applicant: LG Electronics Inc.

Inventor： Kyuseok KIM ,  Hyungtae KIM ,  Kijun KIM ,  Jiwon KANG ,  Kilbom LEE

IPC: H04W72/23 ,  H04L1/1812 ,  H04L5/00 ,  H04W72/1273

CPC classification number: H04W72/23 ,  H04L1/1819 ,  H04L5/0053 ,  H04W72/1273

Abstract: The present specification relates to a method for a base station transmitting/receiving data in a wireless communication system. More specifically, a terminal receives, from the base station, configuration information for configuring a control resource set (CORESET). Then, on the basis of the configuration information, the terminal receives first downlink control information (DCI) and second DCI for generating an ACK/NACK using a dynamic method. The terminal receives, on a resource scheduled by the first DCI, a first physical downlink shared channel (PDSCH) and a second PDSCH, and transmits a first Ack/Nack for the first PDSCH and an Ack/Nack for the second PDSCH.