公开(公告)号：US20220095289A1

公开(公告)日：2022-03-24

申请号：US17542780

申请日：2021-12-06

Applicant: LG ELECTRONICS INC.

Inventor： Jiwon Kang ,  Jonghyun PARK ,  Kilbom LEE ,  Minki AHN

IPC: H04W72/04 ,  H04L5/00

Abstract: Disclosed are a method for receiving a downlink channel by a terminal in a wireless communication system and a device therefor. More particularly, a method for receiving a downlink channel by a terminal in a wireless communication system comprises the steps of: receiving, from a base station, configuration information relating to a plurality of transmission beams of the base station, wherein the configuration information comprises configuration items with respect to one or more beam sets comprising 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 by means of 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 by means of a pre-configured beam set among the beam sets.

公开(公告)号：US11271697B2

公开(公告)日：2022-03-08

申请号：US16646476

申请日：2018-09-10

Applicant: LG Electronics Inc.

Inventor： Jiwon Kang ,  Jonghyun Park ,  Haewook Park ,  Hyunsu Cha

IPC: H04L5/00 ,  H04W24/10 ,  H04W74/08

Abstract: The present specification provides a method for handling a collision between a demodulation reference signal (DMRS) and a channel state information-reference signal (CSI-RS) in a wireless communication system. Specifically, the method performed by a terminal comprises the steps of: receiving a DMRS from a base station; receiving a CSI-RS from the base station; and when a collision between the DMRS and the CSI-RS occurs on at least one resource element (RE), puncturing a resource associated with the DMRS, or a resource associated with the CSI-RS on the basis of time domain behavior of the CSI-RS.

公开(公告)号：US11271619B2

公开(公告)日：2022-03-08

申请号：US17273816

申请日：2018-09-07

Applicant: LG ELECTRONICS INC.

Inventor： Kukheon Choi ,  Jiwon Kang ,  Hojae Lee

IPC: H04L5/12 ,  H04B7/0426 ,  H04B7/0456 ,  H04B7/06 ,  H04W72/04 ,  H04W72/10

Abstract: In the present invention, disclosed are a method and terminal for performing beam management in a wireless connection system. In particular, the terminal comprises a radio frequency (RF) unit and a processor, and the processor controls the RF unit to receive information including a beam management region from a base station, wherein the beam management region may comprise a reference signal (RS) and preamble region, a first transition time region for transmission beam steering, and a second transition time region for reception beam steering.

公开(公告)号：US11258493B2

公开(公告)日：2022-02-22

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：US11229081B2

公开(公告)日：2022-01-18

申请号：US16623299

申请日：2018-05-29

Applicant: LG Electronics Inc.

Inventor： Minki Ahn ,  Jiwon Kang ,  Kijun Kim ,  Suckchel Yang

IPC: H04W76/19 ,  H04W74/00 ,  H04B7/06

Abstract: The present disclosure provides a method for recovering a beam failure in a wireless communication system. The method performed by an user equipment (UE) according to the present disclosure includes receiving a resource configuration in relation to a beam failure recovery request from a base station (BS); receiving a beam reference signal (BRS) used for beam management from the BS; transmitting the beam failure recovery request to the BS using a first resource based on the resource configuration, when a beam failure even is detected; and reporting a measurement result by the beam reference signal to the BS.

公开(公告)号：US20210376897A1

公开(公告)日：2021-12-02

申请号：US17277976

申请日：2019-09-23

Applicant: LG ELECTRONICS INC.

Inventor： Haewook Park ,  Jiwon Kang ,  Hyungtae Kim

IPC: H04B7/06 ,  H04B7/024 ,  H04L1/16 ,  H04W24/10 ,  H04W72/04

Abstract: A method of reporting, by a terminal, channel state information (CSI) includes: receiving first configuration information related to a channel state information (CSI) report of a first bandwidth part (BWP) from a first base station and second configuration information related to a CSI report of a second BWP from a second base station, in which the first BWP is composed of a plurality of first subbands including at least one first subband for the CSI report, and the second BWP is composed of a plurality of second subbands including at least one second subband for the CSI report; based on that the at least one first subband and the at least one second subband partially or entirely overlap, obtaining a first CSI for overlapping at least one subband; and reporting the first CSI to the first base station and the second base station.

公开(公告)号：US11184072B2

公开(公告)日：2021-11-23

申请号：US16537332

申请日：2019-08-09

Applicant: LG Electronics Inc.

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

IPC: H04B7/06 ,  H04B7/0417

Abstract: A method for measuring and reporting channel state information (CSI) in a wireless communication system and a device therefor. Specifically, a method for reporting, by a user equipment, channel state information (CSI) in a wireless communication system includes: receiving CSI reporting setting information related with CSI reporting; receiving one or more channel state information (CSI)-reference signals (CSI-RSs); performing the CSI reporting by using a measurement value estimated by at least one specific CSI-RS among the one or more CSI-RSs, in which the at least one specific CSI-RS may be determined based on gap information for configuring a measurement interval for estimating the measurement value and a performing timing of the CSI reporting.

公开(公告)号：US11159347B2

公开(公告)日：2021-10-26

申请号：US16610490

申请日：2018-05-03

Applicant: LG ELECTRONICS INC.

Inventor： Minki Ahn ,  Kijun Kim ,  Jonghyun Park ,  Jiwon Kang

IPC: H04L25/02 ,  H04L5/00 ,  H04W16/28 ,  H04W72/04 ,  H04W72/14

Abstract: The present specification provides a method for transmitting and receiving a signal by means of a beam in a wireless communication system. The method for a terminal for transmitting and receiving a signal by means of one or more beams according to the present specification may comprise the steps of: receiving sounding reference signal (SRS) resource configuration information for an SRS transmission from a base station, the SRS resource configuration information comprising configuration information indicating one or more previously configured timing advance values for one or more SRS resources; receiving, from the base station, control information indicating a particular SRS resource from among the one or more SRS resources; and transmitting an uplink signal at the configured temporal uplink transmission point using the timing advance value corresponding to the particular SRS resource.

公开(公告)号：US11153900B2

公开(公告)日：2021-10-19

申请号：US16099954

申请日：2018-07-10

Applicant: LG Electronics Inc.

Inventor： Kyuseok Kim ,  Hyungtae Kim ,  Haewook Park ,  Jiwon Kang ,  Kijun Kim ,  Jonghyun Park ,  Kilbom Lee

IPC: H04W72/12 ,  H04L5/00

Abstract: Disclosed is a method and apparatus for transmitting and receiving a Reference Signal (RS) performed by a User Equipment (UE) in a wireless communication system. According to the present invention, a method and apparatus includes receiving a first Dedicated Demodulation Reference Signal and a first Physical Downlink Shared Channel (PDSCH); receiving a Physical Downlink Control Channel (PDCCH) including Downlink Control Information (DCI) in relation to a configuration of the second Dedicated Demodulation Reference Signal based on the first PDSCH; and receiving the second Dedicated Demodulation Reference Signal and a second PDSCH based on the PDCCH, and the first Dedicated Demodulation Reference Signal is transmitted only on a single antenna port, and a configuration of the DCI is determined based on the maximum number of symbols to which the second Dedicated Demodulation Reference Signal is mapped.

公开(公告)号：US11153127B2

公开(公告)日：2021-10-19

申请号：US16766667

申请日：2018-11-26

Applicant: LG ELECTRONICS INC.

Inventor： Kukheon Choi ,  Jiwon Kang ,  Kyuseok Kim ,  Kilbom Lee

IPC: H04L25/02 ,  H04W76/27 ,  H04B1/7143 ,  H04B7/06 ,  H04L5/00 ,  H04W72/04

Abstract: A method for transmitting, by a terminal, a sounding reference signal (SRS) comprises: a step of, if an SRS transmission and a transmission of an uplink channel collide in a first slot, dropping the transmission of an SRS symbol colliding in the first slot and transmitting an SRS symbol not colliding in the first slot; and a step of transmitting an SRS symbol in a second slot on the basis of a hopping pattern set for the dropped SRS symbol, wherein when the transmission count of the last SRS symbol colliding in the first slot is K, the transmission count for the first SRS symbol transmitted in the second slot is K+1.