公开(公告)号：US11997037B2

公开(公告)日：2024-05-28

申请号：US18192036

申请日：2023-03-29

Applicant: LG ELECTRONICS INC.

Inventor： Seungmin Lee ,  Uihyun Hong ,  Daesung Hwang ,  Hanbyul Seo

IPC: H04W72/20 ,  H04L5/00

CPC classification number: H04L5/0048 ,  H04W72/20

Abstract: An embodiment is a method for a user equipment (UE) to transmit a phase-tracking reference signal (PTRS) related to sidelink in a wireless communication system, the method comprising the steps of: generating demodulation reference signals (DMRSs) related to a physical sidelink shared channel (PSSCH); generating a PTRS related to the PSSCH; and transmitting the PTRS and at least a portion of the DMRSs, wherein a DMRS sequence mapped to a prescribed position in a first PSSCH symbol in which the DMRSs are transmitted is used for generating the PTRS, and the prescribed position corresponds to a frequency location at which the PTRS is transmitted and includes a frequency location at which the generated DMRSs are not transmitted.

公开(公告)号：US11943746B2

公开(公告)日：2024-03-26

申请号：US18131633

申请日：2023-04-06

Applicant: LG ELECTRONICS INC.

Inventor： Seungmin Lee ,  Hanbyul Seo ,  Daesung Hwang ,  Woosuk Ko

IPC: H04W72/02 ,  H04L1/1812 ,  H04L5/00 ,  H04W72/0446 ,  H04W72/20

CPC classification number: H04W72/02 ,  H04L1/1812 ,  H04L5/0053 ,  H04W72/0446 ,  H04W72/20

Abstract: Provided are a method for a first device to perform wireless communication, and a device for supporting same. The method may include: receiving, from a second device, a first sidelink control information (SCI) through a physical sidelink control channel (PSCCH); receiving, from the second device, a second SCI through a physical sidelink shared channel (PSSCH) related to the PSCCH; determining a physical sidelink feedback channel (PSFCH) resource, based on an index of a slot and an index of a subchannel related to the PSSCH; and determining whether or not to transmit hybrid automatic repeat request (HARQ) feedback information for the PSSCH to the second device on the PSFCH resource, wherein a format of the second SCI is a first format which does not include location information of the second device or a second format which includes location information of the second device.

公开(公告)号：US11917649B2

公开(公告)日：2024-02-27

申请号：US18123089

申请日：2023-03-17

Applicant: LG Electronics Inc.

Inventor： Seungmin Lee ,  Daesung Hwang ,  Woosuk Ko

IPC: H04W72/232 ,  H04W72/1263 ,  H04L1/1812

CPC classification number: H04W72/232 ,  H04L1/1812 ,  H04W72/1263

Abstract: A method for a first device to perform wireless communication and a device supporting same. The method may include: receiving, from the base station through a second PDCCH, a second DCI including information related to a second SL resource and information related to a second PUCCH resource; transmitting a first physical sidelink shared channel (PSSCH) based on the first SL resource; and transmitting, to the base station through the second PUCCH resource, first hybrid automatic repeat request (HARQ) feedback information related to the first PSSCH and second HARQ feedback information related to the second PSSCH, based on a slot including the first PUCCH resource being same as a slot including the second PUCCH resource, wherein the second DCI is a last DCI among a plurality of DCIs including information related to the slot for PUCCH transmission.

公开(公告)号：US11910403B2

公开(公告)日：2024-02-20

申请号：US18093563

申请日：2023-01-05

Applicant: LG Electronics Inc.

Inventor： Kyuhwan Kwak ,  Inkwon Seo ,  Yunjung Yi ,  Hyunho Lee ,  Daesung Hwang

IPC: H04W72/23 ,  H04L5/00 ,  H04L1/00

CPC classification number: H04W72/23 ,  H04L1/00 ,  H04L5/00 ,  H04L5/0007 ,  H04L5/0048

Abstract: A method of receiving a downlink control channel at a user equipment (UE) in a wireless communication system is disclosed. The method includes receiving information on a resource element group (REG) bundle size and information on a size of a matrix for interleaving a plurality of REGs configuring at least one control channel element (CCE) through a higher layer, determining the matrix for interleaving the plurality of REGs based on the information on the size of the matrix and the information on the REG bundle size, interleaving the plurality of REGs bundled into one or more REG bundles according to the REG bundle size using the matrix, and receiving the downlink control channel based on the plurality of interleaved REGs.

公开(公告)号：US11902941B2

公开(公告)日：2024-02-13

申请号：US18110769

申请日：2023-02-16

Applicant: LG Electronics Inc.

Inventor： Daesung Hwang ,  Seungmin Lee

IPC: H04W72/40 ,  H04W72/02 ,  H04W28/26 ,  H04W72/0446 ,  H04L1/00 ,  H04W72/512

CPC classification number: H04W72/02 ,  H04L1/0018 ,  H04W28/26 ,  H04W72/0446 ,  H04W72/40 ,  H04W72/512

Abstract: A method by which a first device performs wireless communication is proposed. The method may comprise the steps of: determining at least one candidate slot for selecting a sidelink (SL) resource; performing sensing for at least one sensing slot related to the at least one candidate slot; selecting the resource in the at least one candidate slot on the basis of the sensing; and performing SL communication with a second device on the basis of the selected resource. For example, the at least one sensing slot may be at least one slot which, from the at least one candidate slot, is located before a resource reservation period set for a resource pool.

公开(公告)号：US11870582B2

公开(公告)日：2024-01-09

申请号：US18107301

申请日：2023-02-08

Applicant: LG Electronics Inc.

Inventor： Seungmin Lee ,  Hanbyul Seo ,  Daesung Hwang

IPC: H04W28/04 ,  H04W72/04 ,  H04W88/08 ,  H04L5/00 ,  H04L1/1607 ,  H04L1/1812 ,  H04W72/1263 ,  H04W72/23

CPC classification number: H04L1/1671 ,  H04L1/1812 ,  H04W72/1263 ,  H04W72/23

Abstract: A first device performing wireless communication receives, from a base station, information related to physical uplink control channel (PUCCH) resources and information related to M sidelink (SL) slots; performs N physical sidelink shared channel (PSSCH) transmissions based on N SL slots from among the M SL slots; determines one physical sidelink feedback channel (PSFCH) slot related to the PSSCH transmissions; and in response to the N PSSCH transmissions, receives information on K pieces of SL hybrid automatic repeat request feedback on the one PSFCH slot. The first device transmits information on L pieces of HARQ feedback to the base station based on the PUCCH resources, wherein the one PSFCH slot is associated with L SL slots, M, N, K and L are positive integers, L is greater than or equal to M, M is greater than or equal to N, and N is greater than or equal to K.

公开(公告)号：US11870571B2

公开(公告)日：2024-01-09

申请号：US17967055

申请日：2022-10-17

Applicant: LG Electronics Inc.

Inventor： Daesung Hwang ,  Seungmin Lee ,  Hanbyul Seo

IPC: H04L12/28 ,  H04L1/00 ,  H04L1/1812 ,  H04W72/02 ,  H04W72/0453 ,  H04J1/16 ,  H04W4/40

CPC classification number: H04L1/0055 ,  H04L1/1812 ,  H04W72/02 ,  H04W72/0453 ,  H04W4/40

Abstract: A method for performing, by a first device, wireless communication and an apparatus for supporting same are provided. The method includes: receiving a physical sidelink shared channel (PSSCH) from a second device; determining a physical sidelink feedback channel (PSFCH) resource associated with the PSSCH; and transmitting, to the second device, a hybrid automatic repeat request (HARQ) feedback on the PSFCH resource. Here, at least one subchannel for the PSSCH is associated with at least one first PSFCH resource including at least one second PSFCH resource, each second PSFCH resource included in the at least one first PSFCH resource is associated with each slot on the at least one subchannel, and the PSFCH resource may be determined on the basis of information related to the at least one subchannel for the PSSCH, information related to at least one slot for the PSSCH, and a source ID of the second device.

公开(公告)号：US11792821B2

公开(公告)日：2023-10-17

申请号：US17966311

申请日：2022-10-14

Applicant: LG ELECTRONICS INC.

Inventor： Seungmin Lee ,  Hanbyul Seo ,  Daesung Hwang

IPC: H04W72/14 ,  H04W72/23 ,  H04L1/1812 ,  H04W4/40

CPC classification number: H04W72/23 ,  H04L1/1812 ,  H04W4/40

Abstract: A method by which a first device performs sidelink communication is provided. The method comprises the steps of: receiving, from a base station, a sidelink grant associated with a first retransmission resource and an initial transmission resource of a transport block; transmitting, to a second device, a PSCCH and a PSSCH associated with the PSCCH, on the basis of the initial transmission resource; determining a PSFCH resource for receiving a PSFCH from the second device, on the basis of the index of a slot and the index of a subchannel associated with the PSSCH; receiving, from the second device, the PSFCH on a first PSSCH, on the basis of the PSFCH resource; comparing a time interval between the PSFCH resource and the first retransmission resource with a minimum processing time required between the reception of the PSFCH and retransmission of the transport block.

公开(公告)号：US20230328732A1

公开(公告)日：2023-10-12

申请号：US17896513

申请日：2022-08-26

Applicant: LG ELECTRONICS INC.

Inventor： Seoyoung Back ,  Hanbyul Seo ,  Giwon Park ,  Seungmin Lee ,  Daesung Hwang

IPC: H04W72/04 ,  H04L1/18

CPC classification number: H04W72/0406 ,  H04L1/1864

Abstract: A sidelink communication method considering height information and an apparatus therefor are provided. A method of transmitting data by a first user equipment (UE) to a second UE in a wireless communication system includes transmitting a physical sidelink control channel (PSCCH) including first sidelink control information (SCI) to the second UE, transmitting a physical sidelink shared channel (PSSCH) including second SCI related to the first SCI to the second UE, and receiving a physical sidelink feedback channel (PSFCH) for the PSSCH from the second UE. The second SCI includes control information about a hybrid automatic repeat request (HARQ) operation, and the control information about the HARQ operation includes control information about a height.

公开(公告)号：US11785494B2

公开(公告)日：2023-10-10

申请号：US18169456

申请日：2023-02-15

Applicant: LG ELECTRONICS INC.

Inventor： Daesung Hwang ,  Seungmin Lee ,  Hanbyul Seo

IPC: H04W28/02 ,  H04L47/56 ,  H04W72/25

CPC classification number: H04W28/0236 ,  H04L47/564 ,  H04W72/25

Abstract: Provided are a method for a first device to perform wireless communication and a device supporting same. The method comprises the steps of: receiving an auxiliary information request from a second device; generating auxiliary information on the basis of the auxiliary information request; transmitting first sidelink control information (SCI), including scheduling information about a physical sidelink shared channel (PSSCH), to the second device through a physical sidelink control channel (PSCCH), wherein the first SCI includes information related to frequency resource allocation, information related to time resource allocation, information related to a demodulation reference signal (DMRS) pattern, and information related to a modulation and coding scheme (MCS); and transmitting the auxiliary information to the second device through the PSSCH in response to the auxiliary information request, wherein the auxiliary information may include information for sidelink (SL) resource selection for the second device.