公开(公告)号：US20140226746A1

公开(公告)日：2014-08-14

申请号：US14343713

申请日：2012-10-10

Applicant: LG ELECTRONICS INC.

Inventor： Hyunsoo Ko ,  Jaehoon Chung ,  Minseok Noh

IPC: H04B7/04 ,  H04L5/00

CPC classification number: H04B7/0486 ,  H04B7/0456 ,  H04B7/0626 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/0645 ,  H04B7/0658 ,  H04L5/0053

Abstract: The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for reporting channel state information. A method in which a terminal reports control state information (CSI) in a wireless communication system according to an embodiment of the present invention comprises: a step of determining rank indicator (RI) report timing for cases where a value of a precoding type indicator (PTI) is 0; a step of determining wideband first precoding matrix indicator (PMI) report timing; a step of determining wideband second precoding matrix indicator report timing and wideband channel quality indicator (CQI) report timing; and a step of reporting said CSI based on the result of the determination on the reporting timing. The CSI which is reported firstly after the RI report timing in cases where the value of the PTI is 0 can be set to become said wideband first 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的方法和装置。 根据本发明实施例的终端在无线通信系统中报告控制状态信息（CSI）的方法包括：在预编码类型指示符（1）的情况下确定秩指示符（RI）报告定时的步骤， PTI）为0; 确定宽带第一预编码矩阵指示符（PMI）报告时序的步骤; 确定宽带第二预编码矩阵指示符报告定时和宽带信道质量指示符（CQI）报告定时的步骤; 以及基于所述报告定时的确定结果来报告所述CSI的步骤。 在PTI的值为0的情况下，首先在RI报告定时之后报告的CSI可以被设置为变为所述宽带第一PMI。

公开(公告)号：US12225398B2

公开(公告)日：2025-02-11

申请号：US17635634

申请日：2020-08-13

Applicant: LG ELECTRONICS INC.

Inventor： Jaehoon Chung ,  Haewook Park ,  Jiwon Kang

IPC: H04W24/10 ,  H04L5/00 ,  H04W52/14 ,  H04W72/542

Abstract: The present disclosure provides a method for reporting channel state information (CSI) in a wireless communication system, and a device therefor. Specifically, the present invention provides a method for reporting CSI via a physical uplink shared channel (PUSCH) by a user equipment (UE) in a wireless communication system, the method comprising the steps of: receiving configuration information from a base station (BS), wherein the configuration information comprises (i) a CSI-related configuration and (ii) a configuration related to a transmission power control of the PUSCH; receiving a CSI-reference signal (CSI-RS) from the base station on the basis of the CSI-related configuration; calculating the CSI on the basis of the CSI-RS, wherein the CSI comprises information related with coefficients, elements of the information related with coefficients are classified into multiple groups on the basis of priority values thereof, and the priority values have an ascending sequence in which, with reference to a predefined particular index, a higher index and a lower index of frequency-domain indices related to the elements sequentially alternate; and on the basis of predetermined priorities of the multiple groups, transmitting a CSI report configured by omitting a portion of the multiple groups, to the base station via the PUSCH, wherein transmission power of the PUSCH is determined on the basis of the configuration information.

公开(公告)号：US11864013B2

公开(公告)日：2024-01-02

申请号：US17069090

申请日：2020-10-13

Applicant: LG ELECTRONICS INC.

Inventor： Jaehoon Chung ,  Kyuseok Kim ,  Jiwon Kang ,  Haewook Park

IPC: H04W24/10 ,  H04W72/04 ,  H04W76/28 ,  H04W72/0446

CPC classification number: H04W24/10 ,  H04W72/0446 ,  H04W76/28

Abstract: Provided are a method for transmitting and receiving channel state information (CSI) and an apparatus for the same. Specifically, the method includes receiving configuration information related to a CSI report, wherein the configuration information includes first information related with a time domain behavior of the CSI report, and based on the first information, one of (i) periodic, (ii) semi-persistent or (iii) aperiodic may be configured as a behavior of the CSI report in the time domain, receiving second information related with a time domain behavior of the CSI report, wherein the second information may be configured for a time duration including a plurality of specific units based on a specific unit in the time domain, receiving a reference signal for a CSI measurement, performing the CSI measurement based on the reference signal, and reporting the CSI in the time domain based on the first information and the second information.

公开(公告)号：US20230275729A1

公开(公告)日：2023-08-31

申请号：US18014667

申请日：2020-07-10

Applicant: LG ELECTRONICS INC. ,  Korea Advanced Institute of Science and Technology

Inventor： Seungwon Keum ,  Jaehoon Chung ,  Sangrim Lee ,  Dongho Cho ,  Juyong Lee ,  Sangmi Noh ,  Dangoh Kim ,  Seongjae Kim

IPC: H04L5/00 ,  H04W74/08 ,  H04L27/26

CPC classification number: H04L5/0051 ,  H04W74/0833 ,  H04L27/261 ,  H04L27/2605

Abstract: A method for estimating a phase noise by a wireless device in a wireless communication system according to an embodiment of the present disclosure comprises the steps of: receiving a pre-configured pilot signal and a phase tracking reference signal (PTRS); calculating a first phase noise on the basis of the pre-configured pilot signal; calculating a common phase error (CPE) on the basis of the phase tracking reference signal (PTRS); and estimating a phase noise (PN) on the basis of the first phase noise and the common phase error (CPE). The PN is estimated through interpolation based on a specific reference point, and the specific reference point is based on the first phase noise and the CPE.

公开(公告)号：US11716188B2

公开(公告)日：2023-08-01

申请号：US17505390

申请日：2021-10-19

Applicant: LG ELECTRONICS INC.

Inventor： Eunjong Lee ,  Jaehoon Chung ,  Genebeck Hahn ,  Jinmin Kim ,  Kukheon Choi ,  Kwangseok Noh ,  Sangrim Lee

IPC: H04L5/00 ,  H04L5/14 ,  H04L1/00 ,  H04W72/1273 ,  H04W72/23 ,  H04W72/04 ,  H04W52/34 ,  H04W72/0446

CPC classification number: H04L5/0087 ,  H04L1/00 ,  H04L5/001 ,  H04L5/0092 ,  H04L5/14 ,  H04W72/04 ,  H04W72/1273 ,  H04W72/23 ,  H04L5/0023 ,  H04L5/0044 ,  H04L5/0053 ,  H04W52/34 ,  H04W72/0446

Abstract: A method for receiving downlink data by the terminal in a wireless communication system, includes receiving, from a base station, downlink control information for scheduling a short physical downlink shared channel (sPDSCH) on a short physical downlink control channel (sPDCCH), and receiving, from the base station, downlink data on the sPDSCH based on the downlink control information. Here, the sPDCCH and the sPDSCH are based on a first transmission time interval (TTI)-based radio frame structure, wherein the first TTI-based radio frame structure is shorter in time than a second TTI-based radio frame structure related to (i) a physical downlink shared channel (PDSCH) and (ii) a physical downlink control channel (PDCCH). Further, a number of resource element groups (REGs) consisting of a control channel element (CCE) related to the sPDCCH is smaller than a number of resource element groups (REGs) composed of a CCE related to the PDCCH.

公开(公告)号：US11616550B2

公开(公告)日：2023-03-28

申请号：US17055536

申请日：2019-05-17

Applicant: LG ELECTRONICS INC.

Inventor： Jaehoon Chung ,  Jiwon Kang ,  Haewook Park ,  Kunil Yum

IPC: H04B7/06 ,  H04B7/0417 ,  H04B7/0456

Abstract: A method for a user equipment (UE) to report channel state information in a wireless communication system is disclosed. The method comprises if a plurality of bandwidth parts (BWPs) is configured for a reporting of the channel state information, constructing the channel state information based on at least one representative channel state information element per each bandwidth part, and reporting the channel state information to a base station, wherein the channel state information includes first channel state information including enhanced wideband per BWP (eWB) commonly related to channel state information of the plurality of bandwidth parts, and second channel state information related to channel state information of each bandwidth part included in the plurality of bandwidth parts.

公开(公告)号：USRE49427E1

公开(公告)日：2023-02-21

申请号：US16816034

申请日：2020-03-11

Applicant: LG Electronics Inc.

Inventor： Hyunwoo Lee ,  Jaehoon Chung ,  Seunghee Han

IPC: H04L5/14 ,  H04L5/00 ,  H04W72/04 ,  H04W52/04 ,  H04L1/1829 ,  H04L1/1607 ,  H04W72/0446 ,  H04L1/1867 ,  H04W36/00 ,  H04L27/26

Abstract: A method is provided for transmitting Acknowledgement/Negative Acknowledgement (ACK/NACK) information in a wireless communication system. A User Equipment (UE) configures a Physical Uplink Control Channel (PUCCH) format 3 for transmission of the ACK/NACK information. The UE transmits the ACK/NACK information for downlink transmission in a downlink subframe set including M downlink subframes in one uplink subframe, wherein M>1. A plurality of serving cells are configured for the UE and include one Primary Cell (PCell) and at least one Secondary Cell (SCell). The UE transmits the ACK/NACK information using a PUCCH format 1b when a first condition is met that comprises a condition in case where the ACK/NACK information corresponds to one Physical Downlink Shared Channel (PDSCH) without a corresponding Physical Downlink Control Channel (PDCCH) received only on the PCell in the downlink subframe set and the ACK/NACK information corresponds to an additional PDSCH indicated by detection of one corresponding PDCCH.

公开(公告)号：USRE49378E1

公开(公告)日：2023-01-17

申请号：US16800633

申请日：2020-02-25

Applicant: LG Electronics Inc.

Inventor： Hyunwoo Lee ,  Jaehoon Chung ,  Seunghee Han

IPC: H04L5/14 ,  H04L5/00 ,  H04W72/04 ,  H04W52/04 ,  H04L1/18 ,  H04W36/00 ,  H04L27/26 ,  H04L1/16

Abstract: A method is provided for transmitting Acknowledgement/Negative Acknowledgement (ACK/NACK) information in a wireless communication system. A User Equipment (UE) configures a Physical Uplink Control Channel (PUCCH) format 3 for transmission of the ACK/NACK information. The UE transmits the ACK/NACK information for downlink transmission in a downlink subframe set including M downlink subframes in one uplink subframe, wherein M>1. A plurality of serving cells are configured for the UE and include one Primary Cell (PCell) and at least one Secondary Cell (SCell). The UE transmits the ACK/NACK information using a PUCCH format 1b when a first condition is met that comprises a condition in case where the ACK/NACK information corresponds to one Physical Downlink Shared Channel (PDSCH) without a corresponding Physical Downlink Control Channel (PDCCH) received only on the PCell in the downlink subframe set and the ACK/NACK information corresponds to an additional PDSCH indicated by detection of one corresponding PDCCH.

公开(公告)号：US11272486B2

公开(公告)日：2022-03-08

申请号：US16717941

申请日：2019-12-17

Applicant: LG ELECTRONICS INC.

Inventor： Eunjong Lee ,  Jaehoon Chung ,  Genebeck Hahn ,  Jinmin Kim ,  Kukheon Choi ,  Kwangseok Noh

IPC: H04W72/04 ,  H04W76/27 ,  H04L5/00 ,  H04W74/00 ,  H04W74/02 ,  H04W74/08 ,  H04L1/00 ,  H04W52/22 ,  H04W72/00 ,  H04W72/14 ,  H04W88/02 ,  H04W88/08

Abstract: The present invention relates to a wireless communication system. In detail, the present invention is a method for transmitting data to a base station (BS) by a user equipment (UE) includes: receiving information on a contention-based Physical Uplink Shared Channel (PUSCH) zone including a plurality of contention-based PUSCH resource blocks from the base station (BS); allocating at least one contention-based PUSCH resource block for transmission of the data based on the information on contention-based PUSCH zone; and transmitting the data to the base station (BS).

公开(公告)号：US11265060B2

公开(公告)日：2022-03-01

申请号：US16963205

申请日：2019-01-22

Applicant: LG ELECTRONICS INC.

Inventor： Jaehoon Chung ,  Jiwon Kang ,  Haewook Park

IPC: H04L27/22 ,  H04B7/06 ,  H04B7/0417 ,  H04B7/0452

Abstract: Disclosed are a method for transmitting and receiving channel state information (CSI) in a wireless communication system and a device therefor. Particularly, a method by which a terminal reports channel state information in a wireless communication system can comprise the steps of: receiving, from a base station, configuration information relating to the CSI report on a downlink channel; receiving, from the base station, at least one CSI-RS for the CSI report; outputting feedback information by means of the at least one CSI-RS; and reporting the CSI to the base station by using the outputted feedback information.