公开(公告)号：US20190020386A1

公开(公告)日：2019-01-17

申请号：US16069413

申请日：2017-01-12

Applicant: LG ELECTRONICS INC.

Inventor： Haewook PARK ,  Jonghyun PARK ,  Kijun KIM

IPC: H04B7/0417 ,  H04B7/0456 ,  H04L5/00 ,  H04W76/27

Abstract: Disclosed are a method for transmitting and receiving channel state information in a multi-antenna wireless communication system, and an apparatus therefore. More specifically, a method for reporting, by a UE, channel state information (CSI) in a multi-antenna wireless communication system may include: receiving a channel state information reference signal (CSI-RS) on x multiple antenna ports from a base station; selecting y multiple antenna ports from among the x multiple antenna ports; and reporting, to the base station, a precoding matrix indicator (PMI) indicating a precoding matrix selected from a codebook for the y multiple antenna ports.

公开(公告)号：US20180152324A1

公开(公告)日：2018-05-31

申请号：US15575972

申请日：2016-06-03

Applicant: LG ELECTRONICS INC.

Inventor： Haewook PARK ,  Jonghyun PARK ,  Kijun KIM

IPC: H04L25/02 ,  H04B7/04 ,  H04L25/03 ,  H04B17/309

CPC classification number: H04L25/0224 ,  H04B7/04 ,  H04B7/06 ,  H04B17/309 ,  H04L25/02 ,  H04L25/0204 ,  H04L25/03 ,  H04W24/10

Abstract: A channel measurement method in a wireless communication system and an apparatus therefor are disclosed. Specifically, a method for measuring a channel by a terminal in the wireless communication system may comprise the steps of: receiving, from a base station, a reference signal on part of antenna ports within a two-dimensional antenna port array; measuring channels for the part of antenna ports on the basis of the reference signal received from the base station; and reconstructing a channel for an antenna port which is not used for transmission of the reference signal within the two-dimensional antenna port array, using the channel measurement result, to reconstruct channels for all antenna ports within the two-dimensional antenna port array.

公开(公告)号：US20180102817A1

公开(公告)日：2018-04-12

申请号：US15565081

申请日：2016-04-11

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun PARK ,  Byounghoon KIM ,  Youngwoo YUN ,  Kijun KIM ,  Haewook PARK

IPC: H04B7/0417 ,  H04B7/06

CPC classification number: H04B7/0417 ,  H04B7/04 ,  H04B7/06 ,  H04B7/0626 ,  H04L5/001 ,  H04L5/005 ,  H04L5/0051 ,  H04L5/0057 ,  H04L5/0094 ,  H04L25/03

Abstract: According to the present specification, a method for reporting channel state information (CSI) in a wireless communication system, which is performed by a UE includes: transmitting UE capability information including second control information indicating the total number of CSI-RS resources which are maximally supported in one CSI process to a base station.Therefore, there is an effect that implementation complexity of the UE can be reduced.

公开(公告)号：US20250070837A1

公开(公告)日：2025-02-27

申请号：US18725361

申请日：2023-01-06

Applicant: LG ELECTRONICS INC.

Inventor： Kyuseok KIM ,  Seunggye HWANG ,  Jiwon KANG ,  Haewook PARK

IPC: H04B7/06 ,  H04W24/10

Abstract: Disclosed are a method and apparatus for transmitting/receiving a wireless signal in a wireless communication system. A method performed by a UE in a wireless communication system, according to an embodiment of the present disclosure may comprise: receiving configuration information including a plurality of resources for CSI reporting; receiving a reference signal by skipping at least one resource from among the plurality of resources; at least one of determining first CSI for a resource excluding the at least one resource from the plurality of resources, based on the received reference signal, and determining second CSI for the at least one resource based on a CSI prediction-related algorithm; and performing the CSI reporting for at least one of the first CSI and the second CSI.

公开(公告)号：US20240388347A1

公开(公告)日：2024-11-21

申请号：US18761899

申请日：2024-07-02

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae KIM ,  Jiwon KANG ,  Jonghyun PARK ,  Haewook PARK

IPC: H04B7/06 ,  H04B17/336

Abstract: The present disclosure relates to a method for reporting CSI by a terminal (user equipment) supported by a plurality of base stations in a wireless communication system, the method comprising: receiving CSI report-related configuration information from at least one base station among the plurality of base stations; receiving a first reference signal via a specific reception beam from a first base station among the plurality of base stations; receiving a second reference signal via the specific reception beam from at least one base station except for the first base station among the plurality of base stations; calculating the CSI by performing measurement on the first reference signal and the second reference signal; and transmitting the CSI to the first base station, wherein the terminal may calculate the CSI by measuring, as interference, the second reference signal received via the specific reception beam.

公开(公告)号：US20240356609A1

公开(公告)日：2024-10-24

申请号：US18685075

申请日：2022-08-19

Applicant: LG Electronics Inc.

Inventor： Haewook PARK ,  Kyuseok KIM

IPC: H04B7/06 ,  H04B7/0456

CPC classification number: H04B7/0626 ,  H04B7/0456

Abstract: A method and a device for transmitting and receiving channel state information in a wireless communication system are disclosed. A method for transmitting channel state information (CSI) according to one 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 one or more CSI resources from the base station; and transmitting the CSI to the base station on the basis of the configuration information. The CSI may include a precoding matrix indicator (PMI) corresponding to indexes of a codebook for indicating a precoding matrix, and the PMI may include one or more amplitude coefficient indicators for indicating an amplitude coefficient and/or one or more phase coefficient indicators for indicating one or more phase coefficients.

公开(公告)号：US20240340051A1

公开(公告)日：2024-10-10

申请号：US18293702

申请日：2022-08-01

Applicant: LG Electronics Inc.

Inventor： Hyungtae KIM ,  Haewook PARK ,  Kyuseok KIM

IPC: H04B7/06 ,  H04B7/0456

CPC classification number: H04B7/0626 ,  H04B7/0456

Abstract: Disclosed are a method and a device for transmitting and receiving CSI in a wireless communication system. A method for transmitting CSI according to one embodiment of the present disclosure comprises the steps of: receiving, from a base station, first configuration information related to a CSI report and second configuration information related to a CSI resource, the second configuration information including information on one or more CSI resource sets associated with the first configuration information; receiving, from the base station, a CSI-RS on a plurality of CSI resources of the one or more CSI resource sets on the basis of the second configuration information; and transmitting the CSI to the base station on the basis of the CSI-RS and the first configuration information.

公开(公告)号：US20230396298A1

公开(公告)日：2023-12-07

申请号：US18033040

申请日：2021-10-22

Applicant: LG ELECTRONICS INC.

Inventor： Duckhyun BAE ,  Suckchel YANG ,  Jiwon KANG ,  Haewook PARK

IPC: H04B7/06 ,  H04W72/20 ,  H04L1/1829

CPC classification number: H04B7/0626 ,  H04W72/20 ,  H04L1/1854 ,  H04L1/1861 ,  H04L1/1812

Abstract: A UE may receive DCI triggering a CSI report; receive a CSI-RS associated with the CSI report; determine a PUCCH resource for the CSI report; and transmit the CSI report on the basis of the PUCCH resource. Determining the PUCCH resource for the CSI report comprises: determining, among periodically allocated PUCCH resources configured for the UE, a PUCCH resource that does not start earlier than time point T+X and time point T′+Y as the PUCCH resource for the CSI report, wherein time point T is the end of the DCI, X is the minimum CSI calculation time from DCI reception, time point T′ is the end of the CSI-RS associated with the CSI report, and Y is the minimum CSI calculation time from CSI-RS reception.

公开(公告)号：US20230336221A1

公开(公告)日：2023-10-19

申请号：US18163658

申请日：2023-02-02

Applicant: LG Electronics Inc.

Inventor： Jiwon KANG ,  Haewook PARK

IPC: H04B7/0456 ,  H04B7/06

CPC classification number: H04B7/0456 ,  H04B7/0628 ,  H04B7/0639

Abstract: A method and apparatus for performing uplink transmission and reception in a wireless communication system are disclosed. According to an embodiment of the present disclosure, a method for performing uplink transmission in a wireless communication system may include: transmitting capability information related to a codebook subset for uplink transmission supported by the UE to a base station; receiving configuration information related to a codebook subset based on the capability information from the base station; and performing the uplink transmission based on the configuration information, and the capability information includes a first type of partial coherent codebook subset or a second type of partial coherent codebook subset, and the first type of partial coherent codebook subset includes at least one first precoding matrix having four zeros and four non-zero values per column, and the second type of partial coherent codebook subset includes at least one second precoding matrix having six zeros and two non-zero values for each column.

公开(公告)号：US20230300755A1

公开(公告)日：2023-09-21

申请号：US18019456

申请日：2021-08-09

Applicant: LG ELECTRONICS INC.

Inventor： Jaenam SHIM ,  Hyunsoo KO ,  Hyangsun YOU ,  Haewook PARK

IPC: H04W52/14 ,  H04W52/24

CPC classification number: H04W52/146 ,  H04W52/243

Abstract: The present disclosure proposes a power control method that can be used when performing simultaneous transmission and reception, such as full duplex. A power control method performed by a first wireless device, according to an embodiment of the present disclosure, comprises: measuring self-interference for uplink reception of the first wireless device; and transmitting power control request information to a second wireless device on the basis of the self-interference exceeding the allowable range, wherein the power control request information includes power control information for uplink transmission of the first wireless device.