公开(公告)号：US20240236994A1

公开(公告)日：2024-07-11

申请号：US18559235

申请日：2022-05-06

Applicant: LG Electronics Inc.

Inventor： Giwon PARK ,  Hanbyul SEO ,  Seungmin LEE ,  Seoyoung BACK ,  Jongwoo HONG

IPC: H04W72/20 ,  H04L1/1812 ,  H04W76/28

CPC classification number: H04W72/20 ,  H04L1/1812 ,  H04W76/28

Abstract: Provided are a method by which a first apparatus communicates wirelessly, and an apparatus supporting same. The method comprises the steps of: obtaining a discontinuous reception (DRX) configuration containing information related to a hybrid automatic repeat request (HARQ) round trip time (RTT) timer; receiving, from a base station, downlink control information (DCI) including information related to at least one sidelink (SL) resource and information related to a physical uplink control channel (PUCCH) resource, on the basis of a physical downlink control channel (PDCCH) resource; and starting the HARQ RTT timer after the time domain of the PDCCH resource, on the basis that the PUCCH resource is not configured for the first apparatus, wherein the HARQ RTT timer may indicate the minimum duration before a retransmission grant is expected by the first apparatus.

公开(公告)号：US20240130000A1

公开(公告)日：2024-04-18

申请号：US18546815

申请日：2022-01-24

Applicant: LG ELECTRONICS INC.

Inventor： Jongwoo HONG ,  Seoyoung BACK ,  Giwon PARK ,  Hanbyul SEO ,  Seungmin LEE

IPC: H04W76/28 ,  H04W72/12 ,  H04W72/25 ,  H04W76/10

CPC classification number: H04W76/28 ,  H04W72/12 ,  H04W72/25 ,  H04W76/10 ,  H04W92/18

Abstract: Provided are a method for performing wireless communication by a first device, and a device supporting same. The method may comprise the steps of: establishing a connection between the first device and a second device; transmitting a first radio resource control (RRC) reconfiguration sidelink message including a first sidelink (SL) discontinuous reception (DRX) configuration to the second device, wherein the first SL DRX configuration includes information related to a first SL DRX cycle and information related to a first active time; receiving, from the second device, failure information of the first SL DRX configuration; in response to the failure information, transmitting, to the second device, request information for requesting assistance information for reconfiguration of the first SL DRX configuration; and in response to the request information, receiving the assistance information from the second device.

公开(公告)号：US20240057125A1

公开(公告)日：2024-02-15

申请号：US18269397

申请日：2021-12-22

Applicant: LG Electronics Inc.

Inventor： Giwon PARK ,  Seungmin LEE ,  Seoyoung BACK ,  Jongwoo HONG

IPC: H04W72/25 ,  H04W76/28 ,  H04W72/12 ,  H04L1/1812

CPC classification number: H04W72/25 ,  H04W76/28 ,  H04W72/12 ,  H04L1/1812

Abstract: Proposed is a method for a first device to perform wireless communication according to an embodiment. The method may comprise the steps of: acquiring an SL DRX configuration including information related to a sidelink discontinuous reception (SL DRX) cycle and information related to an active time; transmitting first sidelink control information (SCI) to a second device through a first physical sidelink control channel (PSCCH), wherein the first sidelink control information (SCI) is for scheduling a first physical sidelink control channel (PSSCH); transmitting second SCI and a first medium access control (MAC) protocol data unit (PDU) to the second device through the first PSSCH; determining a first physical sidelink feedback channel (PSFCH) resource in the first PSFCH slot on the basis of an index of a slot related to the first PSSCH and an index of a subchannel; and receiving a first hybrid automatic repeat request (HARQ) feedback for the first MAC PDU, the first HARQ feedback being received from the second device on the basis of the first PSFCH resource. For example, the first PSFCH slot may be included in an inactive time at the time of transmission of the first MAC PDU. For example, the first PSFCH slot may be included in an active time at the time of reception of the first HARQ feedback.

公开(公告)号：US20240015767A1

公开(公告)日：2024-01-11

申请号：US18348014

申请日：2023-07-06

Applicant: LG Electronics Inc.

Inventor： Seoyoung BACK ,  Seungmin LEE ,  Giwon PARK ,  Jongwoo HONG

IPC: H04W72/25 ,  H04W76/28 ,  H04L1/1812 ,  H04W52/02

CPC classification number: H04W72/25 ,  H04W76/28 ,  H04L1/1812 ,  H04W52/0225

Abstract: One embodiment relates to a method for sidelink related operation of a receiving (RX) user equipment (UE) in a wireless communication system, the method comprising the steps in which: the RX UE receives first SCI from a transmitting UE (TX UE) through a physical sidelink control channel (PSCCH); and the RX UE receives a physical sidelink shared channel (PSSCH) and second SCI from the TX UE on the basis of the first SCI, wherein the second SCI includes information about activating physical sidelink feedback channel (PSFCH) transmission related to the PSSCH, and whether to start a retransmission timer on the basis of the PSFCH transmission being dropped is determined on the basis of whether the dropped PSFCH transmission is related to either NACK or ACK.

公开(公告)号：US20230397292A1

公开(公告)日：2023-12-07

申请号：US18032723

申请日：2021-10-19

Applicant: LG ELECTRONICS INC.

Inventor： Giwon PARK ,  Seungmin LEE ,  Seoyoung BACK ,  Jongwoo HONG

IPC: H04W76/28 ,  H04W72/25 ,  H04W76/38 ,  H04W72/12

CPC classification number: H04W76/28 ,  H04W72/25 ,  H04W76/38 ,  H04W72/12

Abstract: Provided are a method for performing wireless communication by a first device and a device supporting same. The method may comprise the steps of: receiving a sidelink (SL) discontinuous reception (DRX) configuration including at least one among information on an SL DRX cycle, information on an on-duration timer, information on an inactivity timer, information on a retransmission timer, and information on a hybrid automatic repeat request (HARQ) round trip time (RTT) timer; receiving, from a second device, sidelink control information (SCI) including information indicating initial transmission or retransmission; and starting a timer on the basis of the SCI.

公开(公告)号：US20230363020A1

公开(公告)日：2023-11-09

申请号：US18028692

申请日：2021-10-22

Applicant: LG Electronics Inc.

Inventor： Seoyoung BACK ,  Giwon PARK ,  Seungmin LEE ,  Jongwoo HONG

IPC: H04W76/10 ,  H04W76/20

CPC classification number: H04W76/10 ,  H04W76/20 ,  H04W92/18

Abstract: The present disclosure relates to mobility in a wireless communication system. According to an embodiment of the present disclosure, a method performed by a first wireless apparatus in a wireless communication system comprises the steps of: transmitting information about the first wireless apparatus to a network; after transmitting the information about the first wireless apparatus to the network, receiving, from the network, information about a selection mode indicating whether another wireless apparatus that is to establish a connection with the first wireless apparatus is selected by the network or selected by the first wireless apparatus: identifying a second wireless apparatus determined on the basis of the selection mode; and establishing a connection with the second wireless apparatus.

公开(公告)号：US20230284293A1

公开(公告)日：2023-09-07

申请号：US18011427

申请日：2021-06-02

Applicant: LG Electronics Inc.

Inventor： Jongwoo HONG ,  Seungmin LEE ,  Seoyoung BACK ,  Giwon PARK

IPC: H04W76/10 ,  H04W76/28

CPC classification number: H04W76/10 ,  H04W76/28 ,  H04W92/18

Abstract: Provided are a method for performing wireless communication by a first device, and a device supporting same. The method may comprise the steps of: establishing a radio resource control (RRC) connection with a base station; establishing a PC5 connection with a second device that relays communication between the first device and the base station; setting, on the basis of establishment of the PC5 connection with the second device, a power saving mode for saving power related to Uu communication between the base station and the first device: and performing communication with the base station on the basis of the power saving mode.

公开(公告)号：US20230141004A1

公开(公告)日：2023-05-11

申请号：US18095462

申请日：2023-01-10

Applicant: LG ELECTRONICS INC.

Inventor： Jongwoo HONG ,  Youngdae LEE ,  Seoyoung BACK ,  Giwon PARK ,  Hanbyul SEO ,  Seungmin LEE

IPC: H04W72/25 ,  H04W52/02 ,  H04W72/1263 ,  H04W72/02 ,  H04W76/28 ,  H04W76/23

CPC classification number: H04W72/25 ,  H04W52/0229 ,  H04W72/1263 ,  H04W72/02 ,  H04W76/28 ,  H04W76/23

Abstract: Provided are a method by which a first device performs wireless communication, and a device supporting same. The method may comprise the steps of: receiving sidelink control information (SCI) including scheduling information for a physical sidelink shared channel (PSSCH) from a second device through a physical sidelink control channel (PSCCH), wherein the 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); receiving first auxiliary information from the second device through the PSSCH; selecting at least one sidelink (SL) resource on the basis of at least one of at least one SCI or the first auxiliary information; performing resource reselection for the at least one SL resource; and transmitting an auxiliary information request to the second device on the basis of the resource reselection.

公开(公告)号：US20220174769A1

公开(公告)日：2022-06-02

申请号：US17600822

申请日：2020-04-29

Applicant: LG Electronics Inc.

Inventor： Jongwoo HONG ,  Sunghoon JUNG ,  Taehun KIM

IPC: H04W76/15 ,  H04W24/08 ,  H04W48/20

Abstract: A method and apparatus for fast cell group (CG) activation based on a single cell measurement in a wireless communication system is provided. A wireless device configures multiple cell groups. Each of the multiple cell groups includes a reference cell. The wireless device measures a quality of the reference cell of each of the multiple cell groups, respectively, activates a cell group of which the quality of the reference cell is above a threshold among the multiple cell groups, and performs dual connectivity (DC) activation with the activated cell group.

公开(公告)号：US20220167459A1

公开(公告)日：2022-05-26

申请号：US17667160

申请日：2022-02-08

Applicant: LG Electronics Inc.

Inventor： Jaewook LEE ,  Taehun KIM ,  Youngdae LEE ,  Jongwoo HONG

IPC: H04W80/02 ,  H04W72/02 ,  H04W72/04 ,  H04W72/14 ,  H04W92/18 ,  H04W76/27 ,  H04L1/00 ,  H04W36/08 ,  H04W4/40

Abstract: A method performed by a user equipment (UE) in a wireless communication system, the method including: selecting to create a configured sidelink grant corresponding to transmissions of at least one media access control (MAC) protocol data unit (PDU); and triggering a transmission carrier selection procedure based on (i) data being available in a sidelink traffic channel (STCH) associated with one or more carriers, and (ii) there being no configured sidelink grant on any carrier, among the one or more carriers, that is allowed for the STCH.