公开(公告)号：US20140341312A1

公开(公告)日：2014-11-20

申请号：US14355553

申请日：2012-11-07

Applicant: LG ELECTRONICS INC.

Inventor： Wookbong Lee ,  Jaehoon Chung ,  Jinsam Kwak ,  Hyunsoo Ko

IPC: H04B7/04

CPC classification number: H04B7/0417 ,  H04B7/046 ,  H04B7/0469 ,  H04B7/0478 ,  H04B7/0639 ,  H04B7/065 ,  H04L1/0028 ,  H04L1/06 ,  H04L25/0204

Abstract: A method for feeding back codebook-based precoding matrix information by a receiving side includes estimating a channel through a receiving signal received from a transmitting side; selecting first and second precoding matrix indexes for indicating precoding matrices selected in a predefined codebook based upon said estimated channel; and transmitting said selected first and second precoding matrix indexes to said transmitting side, wherein said predefined codebook supports antenna patterns at the receiving side, precoder (W) in the predefined codebook is expressed as a multiplication of two precoding matrices (W1 and W2), W1 is constituted as an oversampled discrete Fourier transform (DFT) matrix by a diagonal matrix, an element which reflects a factor in accordance with an antenna pattern configuration of said receiving side is included, and said first precoding matrix index indicates a precoding matrix selected from W1 and said second precoding matrix index indicates a precoding matrix selected from W2.

Abstract translation: 一种用于由接收侧反馈基于码本的预编码矩阵信息的方法包括：通过从发送侧接收的接收信号来估计信道; 基于所述估计的信道，选择用于指示在预定码本中选择的预编码矩阵的第一和第二预编码矩阵索引; 以及将所述选择的第一和第二预编码矩阵索引发送到所述发送侧，其中所述预定码本支持接收侧的天线方向图，预定码本中的预编码器（W）表示为两个预编码矩阵（W1和W2）的乘法， W1被对角矩阵构成为过采样离散傅立叶变换（DFT）矩阵，包括反映根据所述接收侧的天线方向图配置的因子的元素，并且所述第一预编码矩阵索引表示从 W1和所述第二预编码矩阵索引指示从W2选择的预编码矩阵。

公开(公告)号：US20140334416A1

公开(公告)日：2014-11-13

申请号：US14350769

申请日：2012-10-10

Applicant: LG ELECTRONICS INC.

Inventor： Hyunsoo Ko ,  Kitae Kim ,  Jaehoon Chung

IPC: H04W72/04

CPC classification number: H04W72/042 ,  H04L1/0031 ,  H04L1/1896 ,  H04L5/0048 ,  H04L5/0053 ,  H04W72/0406 ,  H04W72/044

Abstract: An embodiment of the present invention relates to a method in which a terminal receives control information in a wireless communication system, said method comprising: a step of performing blind decoding in at least one portion of a resource region except the time unit indicated by a physical control format indicator channel (PCFICH) on a subframe, said at least one portion of the resource region is determined by whether a synchronizing signal or system information is transmitted or not.

Abstract translation: 本发明的一个实施例涉及一种终端在无线通信系统中接收控制信息的方法，所述方法包括：在资源区域的至少一部分内执行盲解码的步骤，该资源区域除了由物理 在子帧上的控制格式指示符信道（PCFICH），资源区域的所述至少一部分由是否发送同步信号或系统信息确定。

公开(公告)号：US12255667B2

公开(公告)日：2025-03-18

申请号：US18029351

申请日：2021-05-14

Applicant: LG ELECTRONICS INC.

Inventor： Sungjin Kim ,  Byoung Hoon Kim ,  Kyung Ho Lee ,  Jaehoon Chung ,  Jongwoong Shin

IPC: H03M13/13 ,  H03M13/00

Abstract: The present disclosure a method of operating user equipment (UE) in a wireless communication system, the method comprising: identifying layer information that is applied to a neural polar code; generating, based on the identified layer information, transmission data by encoding data that is input into the neural polar code; and transmitting the transmission data to a base station, wherein, based on polar code transformation, the neural polar code generates the transmission data by performing encoding, based on the polar code transformation, from an initial layer of the data to a first layer according to the identified layer information and by performing encoding through a neural network-based autoencoder after the first layer until the transmission data is generated.

公开(公告)号：US12191943B2

公开(公告)日：2025-01-07

申请号：US17289681

申请日：2019-11-04

Applicant: LG ELECTRONICS INC.

Inventor： Haewook Park ,  Jiwon Kang ,  Kijun Kim ,  Jaehoon Chung ,  Jonghyun Park

IPC: H04B7/0456 ,  H04B7/06 ,  H04L5/00 ,  H04W24/10 ,  H04W72/23

Abstract: The present invention relates to a method whereby user equipment (UE) transmits channel state information (CSI) in a wireless communication system and to a device therefor. According to the present invention, a terminal receives configuration information for CSI reporting from a base station and receives a reference signal from the base station on the basis of the configuration information. The terminal may receive downlink control information (DCI) via a physical downlink control channel (PDCCH), calculate CSI about a particular channel on the basis of the configuration information and the DCI, and report same to the base station.

公开(公告)号：US12021589B2

公开(公告)日：2024-06-25

申请号：US17422268

申请日：2020-01-10

Applicant: LG ELECTRONICS INC.

Inventor： Jaehoon Chung ,  Haewook Park ,  Jiwon Kang

IPC: H04B7/06 ,  H04B7/0456 ,  H04W72/21

CPC classification number: H04B7/0626 ,  H04B7/0456 ,  H04W72/21

Abstract: The disclosure discloses a method for reporting channel state information (CSI) in a wireless communication system, and an apparatus therefor. Particularly, a method by which a user equipment (UE) reports channel state information (CSI) in a wireless communication system comprises the steps of: receiving, from a base station (BS), CSI-related configuration information; receiving, from the base station, a reference signal; calculating CSI on the basis of the reference signal; and transmitting the CSI to the base station, wherein the CSI includes information related to a codebook, the information related to the codebook includes a bitmap related to an amplitude coefficient and a phase coefficient, and the size of the bitmap may be set by multiplying the number of bases of a spatial domain for the CSI by the number of bases of a frequency domain for the CSI.

公开(公告)号：US11916832B2

公开(公告)日：2024-02-27

申请号：US18184385

申请日：2023-03-15

Applicant: LG ELECTRONICS INC.

Inventor： Seongwon Go ,  Jaehoon Chung ,  Jiwon Kang

IPC: H04W72/04 ,  H04L5/00 ,  H04W52/06 ,  H04W52/32 ,  H04W76/00 ,  H04W88/08

CPC classification number: H04L5/0048 ,  H04L5/0091 ,  H04W52/06 ,  H04W52/325

Abstract: A method of transmitting a sounding reference signal (SRS) by a user equipment (UE) in a wireless communication system includes receiving configuration information related to a plurality of transmission configuration indication (TCI) states, and transmitting the SRS based on a specific TCI state among the plurality of TCI states. The specific TCI state is related to one or more power control parameters for determining a transmission power of the SRS, and the one or more power control parameters are related to an SRS resource set for the transmission of the SRS.

公开(公告)号：US11871260B2

公开(公告)日：2024-01-09

申请号：US17290950

申请日：2019-11-04

Applicant: LG ELECTRONICS INC.

Inventor： Haewook Park ,  Jiwon Kang ,  Kijun Kim ,  Jaehoon Chung ,  Jonghyun Park

IPC: H04W24/10 ,  H04L5/00 ,  H04W24/08

CPC classification number: H04W24/10 ,  H04L5/0044 ,  H04L5/0053 ,  H04L5/0058 ,  H04W24/08

Abstract: The present invention relates to a method whereby user equipment (UE) transmits channel state information (CSI) in a wireless communication system and to a device therefor. According to the present invention, a terminal receives configuration information for CSI reporting from a base station and receives a reference signal from the base station on the basis of the configuration information. The terminal may receive downlink control information (DCI) via a physical downlink control channel (PDCCH), calculate CSI about a particular channel on the basis of the configuration information and the DCI, and report same to the base station.

公开(公告)号：US11641250B2

公开(公告)日：2023-05-02

申请号：US15931898

申请日：2020-05-14

Applicant: LG ELECTRONICS INC.

Inventor： Seunghee Han ,  Jaehoon Chung ,  Hyunwoo Lee ,  Moonil Lee ,  Hyunsoo Ko

IPC: H04W4/00 ,  H04L1/00 ,  H04L5/00 ,  H04L27/26 ,  H04L1/1607 ,  H04W72/10 ,  H04B7/06 ,  H04L1/1812 ,  H04W24/02 ,  H04W24/10 ,  H04W28/06

Abstract: The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for reporting CSI in a wireless communication system, the method comprising: a step for configuring a plurality of serving cells; and a step for reporting the CSI of only one serving cell in a corresponding subframe, wherein the step for reporting the CSI of only one serving cell comprises: excluding reporting the CSI of a lower priority when CSI reports of the plurality of serving cells in the corresponding subframe collide; and excluding reporting the CSI of serving cells other than the serving cell having the smallest index when the CSI reports of different serving cells having the same priority in the corresponding subframe collide.

公开(公告)号：US11539417B2

公开(公告)日：2022-12-27

申请号：US17263372

申请日：2019-07-26

Applicant: LG ELECTRONICS INC.

Inventor： Jaehoon Chung ,  Jiwon Kang ,  Haewook Park

IPC: H04B7/06 ,  H04B7/0456 ,  H04W72/04 ,  H04W72/10 ,  H04W72/12

Abstract: The present disclosure provides a method for transmitting and receiving channel state information (CSI) in a wireless communication system and a device supporting the same.
Particularly, a method for reporting channel state information (CSI) performed by a user equipment (UE) supported by multiple base stations in a wireless communication system may include receiving CSI related configuration information for the multiple base stations; receiving a reference signal from the multiple base stations; generating CSI based on a CSI omission rule; and transmitting the CSI to at least one base station among the multiple base stations, wherein the CSI may include information for multiple channels configured, and wherein the CSI omission rule may be determined based on at least one of i) a type of the CSI, ii) a part of the CSI, iii) priority information among CSI parameters and/or iv) priority information among the multiple base stations.

公开(公告)号：US11496273B2

公开(公告)日：2022-11-08

申请号：US17043850

申请日：2019-04-02

Applicant: LG ELECTRONICS INC.

Inventor： Jaehoon Chung ,  Jiwon Kang ,  Haewook Park

IPC: H04L12/26 ,  H04L5/00 ,  H04W72/04

Abstract: A method for a base station to receive channel state information in a wireless communication system is disclosed. The method includes transmitting, to a plurality of user equipments (UEs), CSI-RS for calculating the channel state information; receiving, from the plurality of UEs, angular information related to a channel state between the base station and the plurality of UEs based on the CSI-RS; transmitting, to the plurality of UEs, configuration information for calculating the channel state based on the angular information, the configuration information including information determining an operation mode of the plurality of UEs; and receiving, from the plurality of UEs, the channel state information calculated based on the operation mode.