公开(公告)号：US20220095406A1

公开(公告)日：2022-03-24

申请号：US17544207

申请日：2021-12-07

Applicant: LG ELECTRONICS INC.

Inventor： Minki AHN ,  Jiwon KANG ,  Kijun KIM ,  Suckchel YANG

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

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：US20220070939A1

公开(公告)日：2022-03-03

申请号：US17310541

申请日：2020-03-27

Applicant: LG ELECTRONICS INC.

Inventor： Seokmin SHIN ,  Suckchel YANG ,  Seonwook KIM ,  Joonkui AHN ,  Changhwan PARK ,  Seunggye HWANG

IPC: H04W74/08 ,  H04L27/26

Abstract: A method and device for transmitting and receiving a signal in a wireless communication system according to an embodiment of the present disclosure includes: transmitting a physical random access channel (PRACH); and receiving a random access response (RAR) on the basis of the PRACH, wherein the MACH is composed of N_MAX sequences mapped on the frequency domain, the N_MAX sequences are formed of M groups each including N sequences, the N_MAX sequences have the same length, the N_MAX sequences are generated on the basis of the same base sequence, the N sequences respectively have different cyclic shift (CS) values applied thereto; and the pattern of the different CS values may be the same for the M groups.

公开(公告)号：US20220061073A1

公开(公告)日：2022-02-24

申请号：US17428902

申请日：2020-02-17

Applicant: LG Electronics Inc.

Inventor： Suckchel YANG ,  Joonkui AHN ,  Seonwook KIM

IPC: H04W72/12 ,  H04L1/18 ,  H04W76/16

Abstract: In a method and device for a wireless communication system according to one embodiment of the present invention, downlink control information (DCI) for downlink data transmission on a primary cell (PCell) is received, a downlink assignment index (DAI) value included in the DCI is 1, the downlink data is received on the basis of the DCI, and hybrid automatic repeat request (HARQ) information about the downlink data is transmitted. In addition, on the basis of a channel state information (CSI) and/or scheduling request (SR) transmission set in a subframe in which the HARQ information is transmitted, (i) the HARQ information and (ii) the CSI and/or the SR are transmitted together in the subframe, and on the basis of multi radio-dual connectivity (MR-DC) being set in a terminal, (i) the HARQ information and (ii) the CSI and/or the SR are transmitted on a resource related to PUCCH format 3.

公开(公告)号：US20210399858A1

公开(公告)日：2021-12-23

申请号：US17290539

申请日：2019-11-04

Applicant: LG Electronics Inc.

Inventor： Suckchel YANG ,  Seonwook KIM ,  Changhwan PARK ,  Sukhyon YOON

IPC: H04L5/00 ,  H04W74/08

Abstract: The present invention relates to a wireless communication system and, particularly, to a method and a device therefor, the method comprising the steps of: monitoring a PDCCH candidate in an SS in units of sub-bands in a BWP including a plurality of sub-bands; and on the basis of the monitoring, detecting a PDCCH, wherein, in the BWP, the same CORESET is repeated per sub-band in a frequency domain, and a plurality of CORESETs included in the plurality of sub-bands are associated with the same SS.

公开(公告)号：US20210385677A1

公开(公告)日：2021-12-09

申请号：US17288287

申请日：2019-11-04

Applicant: LG Electronics Inc.

Inventor： Suckchel YANG ,  Seonwook KIM ,  Sukhyon YOON ,  Changhwan PARK

IPC: H04W24/08 ,  H04W72/04 ,  H04W74/08

Abstract: The present invention relates to a wireless communication system and, more specifically, to a method and a device therefor, the method comprising the steps of: receiving, as a part of an RRC connection procedure, CORESET configuration information relating to a BWP, the CORESET configuration information including information relating to a frequency resource configuring a CORESET; monitoring PDCCH candidates in one or more CORESETs in the BWP; and detecting a PDCCH on the basis of the monitoring, wherein the same CORESET is configured for each of subbands in the BWP according to the frequency resource, on the basis of (i) the BWP including a plurality of subbands, and (ii) the frequency resource confined within one subband.

公开(公告)号：US20210352737A1

公开(公告)日：2021-11-11

申请号：US17278184

申请日：2019-09-23

Applicant: LG Electronics Inc.

Inventor： Suckchel YANG ,  Hyunsoo KO ,  Seonwook KIM ,  Changhwan PARK ,  Joonkui AHN ,  Sukhyon YOON

IPC: H04W74/08 ,  H04W74/00

Abstract: A method and a device for transmitting and receiving signals in a wireless communication system according to one embodiment of the present invention are characterized by transmitting a PRACH on a RO, receiving, in response to the PRACH, a PDCCH for receiving a RAR, and receiving the RAR on the basis of the PDCCH, wherein the RAR includes a portion of the bits of a frame index of the RO on which the PRACH was transmitted.

公开(公告)号：US20210329684A1

公开(公告)日：2021-10-21

申请号：US17267722

申请日：2019-08-12

Applicant: LG Electronics Inc.

Inventor： Suckchel YANG ,  Seonwook KIM

IPC: H04W72/12 ,  H04W72/14 ,  H04L1/18

Abstract: A method and a device for transmitting/receiving a signal in a wireless communication system, according to one embodiment of the present invention, transmit ACK/NACK information differently depending on whether UL grant DCI includes PUSCH scheduling or not.

公开(公告)号：US20210314985A1

公开(公告)日：2021-10-07

申请号：US17267445

申请日：2019-08-09

Applicant: LG Electronics Inc.

Inventor： Suckchel YANG ,  Hanjun PARK ,  Seonwook KIM

IPC: H04W72/12

Abstract: The present invention relates to a wireless communication system and, specifically, to a method and an apparatus therefor, the method comprising the steps of: receiving scheduling information for a plurality of consecutive transmission time intervals (TTIs); and transmitting data on the basis of the scheduling information, wherein the scheduling information includes a combination of a first symbol index and the number of consecutive symbols, the data is transmitted from a starting symbol of a first TTI (starting TTI) among the plurality of consecutive TTIs to an ending symbol of the last TR on the basis of the scheduling information, and the index of the starting symbol and the index of the ending symbol are determined on the basis of the combination of the first symbol index and the number of the consecutive symbols.

公开(公告)号：US20210307042A1

公开(公告)日：2021-09-30

申请号：US17257810

申请日：2019-07-08

Applicant: LG ELECTRONICS INC.

Inventor： Seokmin SHIN ,  Jaehyung KIM ,  Seonwook KIM ,  Changhwan PARK ,  Joonkui AHN ,  Suckchel YANG ,  Seunggye HWANG

IPC: H04W72/12 ,  H04W72/04

Abstract: The present specification provides a method for transmitting/receiving a signal and a channel in a narrowband wireless communication system, and an apparatus therefor. Specifically, a method for transmitting/receiving a signal and a channel by a terminal in a narrowband wireless communication system that coexists with other wireless communication systems comprises the steps of: receiving a synchronization signal from a base station on the basis of a predetermined channel raster; receiving, from the base station, information on a channel raster offset through a physical broadcast channel (PBCH); and performing transmission and reception of the signal and the channel with the base station in a narrowband in which a center frequency is adjusted by applying the channel raster offset, wherein a specific subcarrier of a plurality of subcarriers included in the narrowband may be punctured or rate-matched.

公开(公告)号：US20210306126A1

公开(公告)日：2021-09-30

申请号：US17346943

申请日：2021-06-14

Applicant: LG Electronics Inc.

Inventor： Suckchel YANG ,  Hyunsoo KO ,  Eunsun KIM

IPC: H04L5/00 ,  H04L27/26 ,  H04W72/12 ,  H04L1/18 ,  H04W72/04 ,  H04W72/14

Abstract: The present invention relates to a wireless communication system, more specifically, to a method and an apparatus therefor, the method comprising the steps of: merging a first cell having a first TTI and a second cell having a second TTI, the length of the second TTI being N (N>1) times the length of the first TTI; receiving data scheduling information for the second cell in the first TTI of the first cell; and establishing data communication on the basis of the data scheduling information in the second TTI of the second cell corresponding to the first TTI of the first cell, wherein the first TTI for the first cell is any one TTI from among the N number of TTIs of the first cell corresponding to the second TTI of the second cell.