公开(公告)号：US20250167924A1

公开(公告)日：2025-05-22

申请号：US18840764

申请日：2023-02-20

Applicant: LG ELECTRONICS INC.

Inventor： Seokmin SHIN ,  Hyunsoo KO ,  Suckchel YANG ,  Seonwook KIM

IPC: H04L1/08 ,  H04W72/21 ,  H04W74/0833

Abstract: A method and an apparatus for performing uplink transmission and reception in a wireless communication system are disclosed. A method by which a terminal performs uplink transmission in a wireless communication system according to one embodiment of the present disclosure may comprise the steps of: receiving, from a base station, first information related to repeated transmissions of a physical random access channel (PRACH) preamble; repeatedly transmitting the PRACH preamble on the basis of the first information; receiving, from the base station, a random access response (RAR) including a field related to repeated transmissions of a physical uplink shared channel (PUSCH); and repeatedly transmitting the PUSCH on the basis of the PAR, wherein the number of repeated transmissions of the PUSCH may be based on the number of repeated transmissions of the PRACH preamble.

公开(公告)号：US20250048291A1

公开(公告)日：2025-02-06

申请号：US18261224

申请日：2022-01-12

Applicant: LG Electronics Inc.

Inventor： Seokmin SHIN ,  Haewook PARK ,  Kijun KIM ,  Joonkui AHN ,  Hyunsoo KO ,  Suckchel YANG ,  Seonwook KIM

IPC: H04W56/00 ,  H04W84/06

Abstract: A method and a device for uplink transmission/reception in a wireless communication system is disclosed. According to one embodiment of the present disclosure, a method by which a terminal performs uplink transmission in a wireless communication system may comprise the steps of: transmitting, to a base station, information related to a time reference adjustment value, on the basis of a predetermined threshold value for the time reference adjustment value; and performing uplink transmission on the basis of the information related to the time reference adjustment value.

公开(公告)号：US20250039947A1

公开(公告)日：2025-01-30

申请号：US18917207

申请日：2024-10-16

Applicant: LG Electronics Inc.

Inventor： Seokmin SHIN ,  Seonwook KIM ,  Suckchel YANG

IPC: H04W74/0833 ,  H04W16/14 ,  H04W72/0446

Abstract: A method and a device for transmitting/receiving a signal in a wireless communication system, according to one embodiment of the present disclosure, comprise transmitting a PRACH, and receiving an RAR on the basis of the PRACH. The PRACH is transmitted within one or two PRACH slots. The one or two PRACH slots are determined from among N number of slots corresponding to reference slots. 60 kHz SCS can be applied to the reference slots on the basis of the application of one from among 480 kHz SCS and 960 kHz SCS to the N number of slots.

公开(公告)号：US20240008100A1

公开(公告)日：2024-01-04

申请号：US18468455

申请日：2023-09-15

Applicant: LG Electronics Inc.

Inventor： Seokmin SHIN ,  Suckchel YANG ,  Joonkui AHN ,  Hyunsoo KO ,  Seonwook KIM ,  Jeongsu LEE

IPC: H04W74/08 ,  H04L27/26 ,  H04W72/1263

CPC classification number: H04W74/0841 ,  H04L27/26025 ,  H04W72/1263

Abstract: A method and a device for transmitting/receiving a signal in a wireless communication system, according to one embodiment of the present invention, perform a two-step or four-step random access procedure, and monitor a PDCCH according to a DRX configuration, wherein the PRACH transmitted in the random access procedure is transmitted on a specific RO from among a plurality of ROs, and a starting RB index of the specific RO can be determined on the basis of (i) the lowest RB index of an RB set including the specific RO, (ii) the starting RB index of an RO positioned at the lowest frequency, and (iii) the lowest RB index of an RB set including the RO positioned at the lowest frequency.

公开(公告)号：US20230269777A1

公开(公告)日：2023-08-24

申请号：US17764033

申请日：2020-09-25

Applicant: LG ELECTRONICS INC.

Inventor： Jeongsu LEE ,  Sukhyon Yoon ,  Hyunsoo KO ,  Suckchel YANG ,  Seonwook KIM ,  Youngdae LEE ,  Seokmin SHIN

IPC: H04W74/08 ,  H04W16/14 ,  H04W76/28

CPC classification number: H04W74/0833 ,  H04W16/14 ,  H04W76/28

Abstract: The present disclosure provides a method for receiving a downlink signal on the basis of a random-access channel procedure (RACH procedure) by a terminal in an unlicensed band. Specifically, the method may comprise: on the basis of a power ramping counter, configuring transmission power for message A including a first physical random-access channel (PRACH) and a first physical uplink shared channel (PUSCH); on the basis of the transmission power, transmitting message A to a base station; and receiving contention resolution-related message B from the base station in response to message A, wherein an increase is made on the basis that a transmission spatial beam for transmission of message A is configured to be identical to a transmission spatial beam related to transmission of a PRACH preceding message A.

公开(公告)号：US20230254794A1

公开(公告)日：2023-08-10

申请号：US17791429

申请日：2022-01-14

Applicant: LG Electronics Inc.

Inventor： Haewook PARK ,  Suckchel YANG ,  Seokmin SHIN ,  Kijun KIM ,  Hyunsoo KO

IPC: H04W56/00 ,  H04W74/04

CPC classification number: H04W56/0045 ,  H04W74/04 ,  H04W84/06

Abstract: Disclosed are a method and an apparatus for transmitting an uplink signal by a terminal in a wireless communication system supporting a non-terrestrial network (NTN) according to various embodiments. The method includes receiving system information for configuring a first K offset, receiving a control signal for configuring or updating a second K offset based on the first K offset, and transmitting the uplink signal based on the first K offset or the second K offset, wherein, based on the uplink signal being related to a random access channel (RACH), the uplink signal is transmitted based on the first K offset.

公开(公告)号：US20230247670A1

公开(公告)日：2023-08-03

申请号：US17764039

申请日：2020-09-25

Applicant: LG ELECTRONICS INC.

Inventor： Jeongsu LEE ,  Sukhyon Yoon ,  Hyunsoo KO ,  Suckchel YANG ,  Seonwook KIM ,  Youngdae LEE ,  Seokmin SHIN

IPC: H04W74/08 ,  H04W72/20 ,  H04L1/1607 ,  H04W72/04 ,  H04L1/1812

CPC classification number: H04W74/0833 ,  H04W72/20 ,  H04L1/1607 ,  H04W72/04 ,  H04L1/1812

Abstract: The present disclosure discloses a method for receiving, by a terminal, a physical downlink control channel (PDCCH) in an unlicensed band. In particular, the method comprises transmitting, to a base station, a message A including a first physical random access channel (PRACH) and a first physical uplink shared channel (PUSCH), according to transmission power set by a power ramping counter, and performing a random access procedure (RACH procedure) on the base station by receiving, from the base station, a message B related to contention resolution in response to the message A, wherein a value of the power ramping counter may increase on the basis that a transmission spatial beam for transmission of the message A is configured identically to a transmission spatial beam related to transmission of a PRACH prior to the message A.

公开(公告)号：US20230189088A1

公开(公告)日：2023-06-15

申请号：US18162979

申请日：2023-02-01

Applicant: LG ELECTRONICS INC.

Inventor： Seokmin SHIN ,  Haewook PARK ,  Kijun KIM ,  Hyunsoo KO ,  Suckchel YANG ,  Seonwook KIM

IPC: H04W36/00 ,  H04B7/185 ,  H04W36/08 ,  H04W56/00

CPC classification number: H04W36/0061 ,  H04B7/18513 ,  H04W36/08 ,  H04W56/0045

Abstract: A method and device for transmitting and receiving signals in a wireless communication system according to an embodiment of the present invention receive Random Access Channel (RACH) configurations, and transmit random access preambles on a specific RACH occasion (RO) on the basis of the RACH configurations. The number of reference points in a cell is derived on the basis of the number of the RACH configurations, and the reference points can have respective initial Timing Advance (TA) values for the RACH process.

公开(公告)号：US20230188191A1

公开(公告)日：2023-06-15

申请号：US18106675

申请日：2023-02-07

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/06 ,  H04W4/70 ,  H04L5/00 ,  H04L25/02 ,  H04L27/26 ,  H04W72/23

CPC classification number: H04B7/0639 ,  H04W4/70 ,  H04B7/0626 ,  H04L5/0048 ,  H04L25/0224 ,  H04L27/261 ,  H04W72/23

Abstract: The present specification discloses a method for receiving, by a terminal, a machine type communication (MTC) physical downlink control channel (MPDCCH) from a base station in a wireless communication system, the method comprising: receiving, from a base station, configuration information related to reception of a demodulation reference signal (DMRS) to which one of a plurality of candidate precoders applied to a cell specific reference signal (CRS) is applied; receiving, from the base station, the DMRS and control information through the MPDCCH on the basis of the configuration information; performing channel estimation on the MPDCCH on the basis of at least one of the DMRS or the CRS; and demodulating the control information on the basis of the channel estimation, wherein when a subframe which is not available for the CRS exists in an MPDCCH repetition, the channel estimation is performed using only the DMRS.

公开(公告)号：US20230180297A1

公开(公告)日：2023-06-08

申请号：US17911957

申请日：2021-03-31

Applicant: LG ELECTRONICS INC.

Inventor： Seokmin SHIN ,  Haewook PARK ,  Suckchel YANG ,  Seonwook KIM ,  Youngdae LEE ,  Kijun KIM ,  Joonkui AHN ,  Jaehyung KIM ,  Hyunsoo KO

IPC: H04W74/08

CPC classification number: H04W74/0833 ,  H04W74/0891 ,  H04W84/06

Abstract: A method and a device for transmitting/receiving a signal in a wireless communication system, according to one embodiment of the present invention, receive random access channel (RACH) configurations, and transmit a random access preamble on a specific RACH occasion (RO) on the basis of the RACH configurations. The number of reference points in a cell is derived on the basis of the number of RACH configurations, and each of the reference points can have a first timing advance (TA) value for an RACH process.