公开(公告)号：US20230300797A1

公开(公告)日：2023-09-21

申请号：US17990630

申请日：2022-11-18

Applicant: LG ELECTRONICS INC.

Inventor： Giwon PARK ,  Seoyoung BACK

IPC: H04W72/02 ,  H04W72/25 ,  H04W72/542

CPC classification number: H04W72/02 ,  H04W72/25 ,  H04W72/542

Abstract: A method for a first user equipment (UE) to perform sidelink communication in a wireless communication system according to an embodiment of the present disclosure, the method comprises creating a sidelink grant related to resource allocation mode 2, transmitting, to a second UE, the PSCCH and transmitting, to the second UE, the PSSCH. Based on 1) the second UE behaving based on a SideLink Discontinuous Reception (SL DRX) configuration, and 2) the at least one duration related to the PSCCH and a second stage SCI related to the PSSCH, for transmission of a Medium Access Control Protocol Data Unit (MAC PDU) which is based on the sidelink grant, not being in a SL DRX active time of the second UE: a reselection of the resource based on the resource allocation mode 2 is triggered.

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：US20230199875A1

公开(公告)日：2023-06-22

申请号：US17997208

申请日：2021-04-28

Applicant: LG ELECTRONICS INC.

Inventor： Seoyoung BACK ,  Giwon PARK ,  Jongyoul LEE

IPC: H04W76/14 ,  H04W72/543

CPC classification number: H04W76/14 ,  H04W72/543

Abstract: An embodiment provides an operation method of a relay UE related to a sidelink relay in a wireless communication system, the method comprising: receiving, by a relay UE, a relay request from a first remote UE; and determining, by the relay UE, whether to accept the relay request of the first remote UE, wherein the relay request includes first quality of service (QoS)-related information, and the relay UE accepts the relay request on the basis that resource allocation satisfying the first QoS-related information to the first remote UE is possible.

公开(公告)号：US20230156746A1

公开(公告)日：2023-05-18

申请号：US18051265

申请日：2022-10-31

Applicant: LG ELECTRONICS INC.

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

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

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

Abstract: Provided are a method for performing wireless communication by a first device, and a device for supporting same. The method may comprise: obtaining a sidelink (SL) discontinuous reception (DRX) configuration including a value of a SL DRX retransmission timer; receiving, from a second device through a physical sidelink control channel (PSCCH), first sidelink control information (SCI) for scheduling of second SCI and a physical sidelink shared channel (PSSCH); receiving, from the second device through the PSSCH, the second SCI and data; determining a value of a SL DRX hybrid automatic repeat request (HARD) round trip time (RTT) timer as zero, based on that information related to a next retransmission resource is not included in the first SCI; and starting the SL DRX retransmission timer.

公开(公告)号：US20230156602A1

公开(公告)日：2023-05-18

申请号：US17912433

申请日：2021-03-10

Applicant: LG Electronics Inc.

Inventor： Giwon PARK ,  Seoyoung BACK ,  Jongyoul LEE

IPC: H04W52/02 ,  H04W72/20 ,  H04W76/28 ,  H04L1/1829

CPC classification number: H04W52/0235 ,  H04L1/1854 ,  H04W72/20 ,  H04W76/28 ,  H04L1/1812

Abstract: Proposed is a method for performing wireless communication by a first device. The method may comprise the steps of: receiving a physical sidelink control channel (PSCCH) from a second device; receiving a physical sidelink shared channel (PSSCH) related to the PSCCH from the second device, wherein sidelink control information (SCI) is received via the PSCCH or the PSSCH related to the PSCCH, and the SCI includes information indicating whether the PSSCH corresponds to last PSSCH transmission: determining a PSFCH resource on the basis of a slot index and a sub-channel index which are related to the PSSCH; transmitting SL HARQ ACK information to the second device via the PSFCH resource; and entering a sleep state on the basis that the SCI includes information indicating that the PSSCH corresponds to the last PSSCH transmission, and the first device transmits the SL HARQ ACK information via the PSFCH resource.

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：US20230095483A1

公开(公告)日：2023-03-30

申请号：US17904018

申请日：2021-02-15

Applicant: LG ELECTRONICS INC.

Inventor： Seoyoung BACK ,  Giwon PARK ,  Seungmin LEE ,  Jongyoul LEE

IPC: H04W76/28 ,  H04W52/02

Abstract: An embodiment relates to a method for a sidelink discontinuous reception (DRX)-related operation of a second user equipment (UE) in a wireless communication system, the method comprising: a step in which a second UE enters a sleep state; and a step in which the second UE switches to an awake state in a predetermined interval and receives a broadcast signal from a first UE, wherein the broadcast signal is received on a resource pool configured only for a sidelink broadcast.

公开(公告)号：US20230088696A1

公开(公告)日：2023-03-23

申请号：US17802922

申请日：2021-03-02

Applicant: LG ELECTRONICS INC.

Inventor： Seoyoung BACK ,  Seoungmin LEE

IPC: H04W40/12 ,  H04W40/22

Abstract: An embodiment is a method for operating a relay User Equipment (UE) in a wireless communication system, the method comprising steps for the relay UE to: measure the link quality between a source UE and the relay UE; and receive information related to the link quality between the relay UE and a remote UE from the remote UE, wherein, when the relay UE does not know the Quality of Service (QoS) required for a message, resource reselection is performed on the basis of the difference between the link quality between the source UE and the relay UE and the link quality between the relay UE and the remote UE being greater than a preset value.

公开(公告)号：US20220232667A1

公开(公告)日：2022-07-21

申请号：US17716386

申请日：2022-04-08

Applicant: LG Electronics Inc.

Inventor： Seoyoung BACK ,  Hanbyul SEO

IPC: H04W76/28

Abstract: According to an aspect of the present disclosure, a method performed by a user equipment in a wireless communication system: receives discontinuous reception (DRX) configuration information for each of a plurality of bandwidth parts (BWPs), wherein the DRX configuration information includes a first on duration associated with a DRX operation; and on the basis of the DRX configuration information, transmits a discovery signal during the first on duration on an activated BWP from among the plurality of BWPs, wherein the DRX configuration information is configured for each of the plurality of BWPs.

公开(公告)号：US20220159678A1

公开(公告)日：2022-05-19

申请号：US17593537

申请日：2020-05-04

Applicant: LG ELECTRONICS INC.

Inventor： Seoyoung BACK ,  Seungmin LEE ,  Heejin KIM

IPC: H04W72/12 ,  H04W72/04 ,  H04L27/26

Abstract: The method for transmitting, by a user equipment, a sidelink signal in a wireless communication system is a sidelink signal transmission method comprising: transmitting sidelink control information (SCI); mapping, to a plurality of sub-carriers, at least one complex-valued modulation symbol, which is related to a sidelink data signal, and a preset value; generating the sidelink data signal by modulating the at least one complex-valued modulation symbol and the preset value by orthogonal frequency division multiplexing (OFDM); and transmitting the sidelink data signal on the basis of the SCI, wherein the SCI comprises information regarding a sub-carrier set including at least one sub-carrier, to which the preset value is mapped, from among the plurality of sub-carriers, and at least one of the location and number in a frequency domain of the at least one sub-carrier, to which the preset value is mapped, is different for each sub-carrier set.