公开(公告)号：US11329713B2

公开(公告)日：2022-05-10

申请号：US16996571

申请日：2020-08-18

Applicant: LG ELECTRONICS INC.

Inventor： Jiwon Kang ,  Kijun Kim

IPC: H04B7/08 ,  H04W72/04 ,  H04W48/16 ,  H04B7/0417 ,  H04L5/00 ,  H04B17/327 ,  H04W72/08 ,  H04B7/0456 ,  H04B7/06 ,  H04W76/19

Abstract: This specification provides a beam failure recovery method in a wireless communication system. In this specification, a beam failure recovery method performed by a UE includes: receiving, from a base station, control information related to a candidate beam configuration for the beam failure recovery; selecting an RS having a quality of the threshold or more among the RSs related to the candidate beam identification; and; transmitting, to the base station, a beam failure recovery request based on an uplink (UL) resource related to the selected RS.

公开(公告)号：US11296767B2

公开(公告)日：2022-04-05

申请号：US17050426

申请日：2019-05-07

Applicant: LG ELECTRONICS INC.

Inventor： Haewook Park ,  Jiwon Kang ,  Hyungtae Kim ,  Sukhyon Yoon

IPC: H04B7/06 ,  H04L5/00

Abstract: A method for reporting channel state information (CSI) in a wireless communication system is disclosed. More specifically, the method performed by a user equipment (UE) includes receiving, from a base station, configuration information related to the channel state information, wherein the configuration information includes a number of a plurality of subbands allocated to the UE; measuring parameter values related to a channel state of one or more subbands of the plurality of subbands based on the configuration information; and reporting, to the base station, channel state information of the one or more subbands including the measured parameter values, wherein a number of the one or more subbands is determined based on a value of a rank indicator (RI).

公开(公告)号：US11296760B2

公开(公告)日：2022-04-05

申请号：US17015312

申请日：2020-09-09

Applicant: LG Electronics Inc.

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

IPC: H04B7/0456 ,  H04W72/04 ,  H04B7/06 ,  H04L25/02 ,  H04L27/26 ,  H04L5/00 ,  H04W72/06

Abstract: Disclosed is a method for uplink transmission and reception in a wireless communication system and an apparatus therefor. Specifically, a method for performing uplink transmission by a user equipment (UE) in a wireless communication system may comprise the steps of: receiving downlink control information (DCI) including sounding reference signal (SRS) resource indication (SRI) and precoding indication from a base station; and transmitting an uplink to the base station by applying precoding indicated by the precoding indication on an antenna port of an SRS transmitted within an SRS resource selected by the SRI.

公开(公告)号：US11283506B2

公开(公告)日：2022-03-22

申请号：US16955291

申请日：2019-01-07

Applicant: LG ELECTRONICS INC.

Inventor： Kilbom Lee ,  Jiwon Kang

IPC: H04B7/06 ,  H04L1/00

Abstract: The present invention provides a method for receiving, by a terminal, a downlink phase tracking reference signal from a base station in a wireless communication system, and a device for supporting the same. According to an embodiment applicable to the present invention, a terminal may receive, from a base station, a phase tracking reference signal on the basis of the number of phase tracking reference signal ports, which is determined on the basis of different methods, according to whether transmission configuration indication (TCI) state-related information exists in received downlink control information. Further, the base station may transmit the phase tracking reference signal to the terminal accordingly.

公开(公告)号：US20220085938A1

公开(公告)日：2022-03-17

申请号：US17420073

申请日：2020-01-13

Applicant: LG ELECTRONICS INC.

Inventor： Jiwon Kang ,  Hyungtae Kim ,  Kyuseok Kim

IPC: H04L5/00

Abstract: The present specification proposes a method for transmitting and receiving a plurality of PDCCHs in a wireless communication system, and a device therefor. Specifically, a method performed by a base station comprises: a step for receiving, from a UE, UE capability information indicating the number of beams that can be simultaneously supported; a step for transmitting independent layer joint transmission (ILJT)-related setting information to the UE; and a step for transmitting the plurality of PDCCHs to the UE on the basis of the ILJT-related setting information, wherein the ILJT-related setting information may be determined on the basis of the UE capability information.

公开(公告)号：US11239925B2

公开(公告)日：2022-02-01

申请号：US16486142

申请日：2017-02-15

Applicant: LG ELECTRONICS INC.

Inventor： Heejin Kim ,  Ilmu Byun ,  Jiwon Kang ,  Heejeong Cho ,  Genebeck Hahn

IPC: H04B7/06 ,  H04B17/24 ,  H04W24/08

Abstract: The present invention provides a method for performing beam measurement in a wireless communication system, and a device for the method. Particularly, a method for a terminal to perform beam measurement in a wireless communication system may comprise: a step of receiving a plurality of reference signals corresponding to a plurality of transmission beams; a step of identifying at least one first transmission beam corresponding to at least one first reception beam included in a first reception beam group, on the basis of measurement performed on the first reception beam group by using the plurality of reference signals; a step of identifying at least one second transmission beam corresponding to at least one second reception beam included in a second reception beam group, on the basis of measurement performed on the second beam group by using the plurality of reference signals; and a step of reporting, to a base station, an index of the identified at least one first transmission beam and an index of the identified at least one second transmission beam, respectively.

公开(公告)号：US11228398B2

公开(公告)日：2022-01-18

申请号：US16606478

申请日：2018-04-18

Applicant: LG Electronics Inc.

Inventor： Jonghyun Park ,  Jiwon Kang ,  Kijun Kim ,  Changhwan Park ,  Suckchel Yang ,  Kunil Yum ,  Daesung Hwang

IPC: H04L1/00 ,  H04L1/16 ,  H04L25/02 ,  H04W72/04 ,  H04W72/14 ,  H04W80/02

Abstract: A method for rate matching (RM) by a terminal in a wireless communication system according to an embodiment of the present invention may comprise the steps of: receiving control information for transmission of a physical uplink shared channel (PUSCH) of the terminal; and transmitting the PUSCH on the basis of the control information, wherein the control information includes RM information indicating time and/or frequency information of a position of an RM resource to which the PUSCH is not mapped.

公开(公告)号：US11218274B2

公开(公告)日：2022-01-04

申请号：US16826996

申请日：2020-03-23

Applicant: LG Electronics Inc.

Inventor： Kunil Yum ,  Jiwon Kang ,  Kijun Kim ,  Hyungtae Kim ,  Jonghyun Park

IPC: H04L5/00 ,  H04L1/16 ,  H04L1/18 ,  H04W72/04

Abstract: According to one embodiment of the present invention, a method of decoding, by a user equipment, a downlink signal in a wireless communication system comprises the steps of: receiving rate matching pattern information indicating a rate matching resource having a repetition period from a base station; and decoding a downlink shared channel using the rate matching pattern information.

公开(公告)号：US11212810B2

公开(公告)日：2021-12-28

申请号：US16467560

申请日：2017-01-12

Applicant: LG ELECTRONICS INC. ,  KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Heejin Kim ,  Changho Suh ,  Jaewoong Cho ,  Jiwon Kang

IPC: H04W72/08 ,  H04W4/02 ,  H04W8/08 ,  H04W64/00 ,  H04W72/12

Abstract: A method for processing, by a base station, an interference in a wireless communication system includes determining a first base station group and a second base station group based on network topology information, determining a first precoder vector for the first base station group and a second precoder vector for the second base station group, the first precoder vector being linearly independent of the second precoder vector, and transmitting the first precoder vector and a first decoder vector to the first base station group and transmitting the second precoder vector and a second decoder vector to the second base station group, wherein the first decoder vector is included in a null space of the second precoder vector, and the second decoder vector is included in a null space of the first precoder vector.

公开(公告)号：US11206654B2

公开(公告)日：2021-12-21

申请号：US16614292

申请日：2018-05-17

Applicant: LG Electronics Inc.

Inventor： Jiwon Kang ,  Jonghyun Park ,  Kilborn Lee ,  Minki Ahn

IPC: H04W4/00 ,  H04W72/04 ,  H04L5/00

Abstract: A method for receiving a downlink channel by a terminal in a wireless communication system and a device therefor. More particularly, a method includes: receiving, from a base station, configuration information relating to a plurality of transmission beams of the base station, wherein the configuration information includes configuration items with respect to one or more beam sets including the plurality of transmission beams; receiving information indicating any one beam set among the one or more beam sets from the base station; and receiving a downlink control channel from the base station based on the indicated beam set, wherein, if the information indicating any one beam set is not received from the base station, the downlink control channel can be received based on a pre-configured beam set among the beam sets.