METHOD AND DEVICE FOR EFFICIENTLY SUPPORTING NR V2X COMMUNICATION

    公开(公告)号:US20230300856A1

    公开(公告)日:2023-09-21

    申请号:US18013860

    申请日:2021-08-17

    CPC classification number: H04W72/25 H04W72/1263 H04L1/08 H04L1/1812 H04L5/1469

    Abstract: A method for performing wireless communication by a first device is proposed. The method may comprise the steps of: transmitting first sidelink control information (SCI) related to initial transmission, to a second device through a first physical sidelink control channel (PSCCH), wherein the first SCI related to the initial transmission includes scheduling information of second SCI related to the initial transmission, which is transmitted through a first physical sidelink shared channel (PSSCH) related to the first PSCCH; transmitting, to the second device, a medium access control protocol data unit (MAC PDU) and the second SCI related to the initial transmission through the first PSSCH, wherein the second SCI related to the initial transmission includes location information of the first device, which is related to the initial transmission; transmitting first SCI related to retransmission, to the second device through a second PSCCH, wherein the first SCI related to the retransmission includes scheduling information of second SCI related to the retransmission, which is transmitted through a second PSSCH related to the second PSCCH; and transmitting, to the second device, the MAC PDU and the second SCI related to the retransmission through the second PSSCH, wherein the second SCI related to the retransmission includes the location information of the first device, which is related to the initial transmission.

    METHOD AND DEVICE FOR PERFORMING SL COMMUNICATION IN NR V2X ON BASIS OF AUXILIARY INFORMATION

    公开(公告)号:US20230209388A1

    公开(公告)日:2023-06-29

    申请号:US18169456

    申请日:2023-02-15

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

    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.

    METHOD AND DEVICE FOR TRANSMITTING OR RECEIVING PHYSICAL SIDELINK FEEDBACK CHANNEL IN WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:US20230199804A1

    公开(公告)日:2023-06-22

    申请号:US18109682

    申请日:2023-02-14

    CPC classification number: H04W72/25 H04W72/12

    Abstract: A method for transmitting a physical sidelink feedback channel (PSFCH) by a first terminal in a wireless communication system according to an embodiment of the present specification comprises the steps of: receiving configuration information related to the PSFCH from a second terminal; receiving a physical sidelink control channel (PSCCH) from the second terminal, wherein the PSCCH is related to scheduling of a physical sidelink shared channel (PSSCH); and transmitting the PSFCH to the second terminal. The PSFCH is transmitted in a slot on the basis of the PSFCH including collision information. The slot is determined on the basis of the number of preconfigured slots and a resource reserved on the basis of sidelink control information (SCI) related to the PSCCH.

    METHOD AND APPARATUS FOR SELECTING RESOURCES BASED ON PARTIAL SENSING IN NR V2X

    公开(公告)号:US20230156789A1

    公开(公告)日:2023-05-18

    申请号:US18098965

    申请日:2023-01-19

    CPC classification number: H04W74/0808 H04W4/40 H04W76/28 H04W72/20

    Abstract: A method for a first device to perform wireless communication and an apparatus supporting the same are provided. The method comprises, triggering resource selection in a first slot; determining a time interval of a selection window from the first slot based on a remaining packet delay budget (PDB), wherein the selection window includes Y candidate slots; performing sensing for L slots after the first slot; selecting at least one resource for sidelink (SL) transmission within the selection window based on the sensing for the L slots; transmitting, to a second device through a physical sidelink control channel (PSCCH), a first sidelink control information (SCI) for scheduling of a physical sidelink shared channel (PSSCH) and a second SCI; and transmitting, to the second device through the PSSCH, the second SCI and data.

    METHOD AND DEVICE FOR SETTING RESOURCE POOL IN NR V2X

    公开(公告)号:US20230155801A1

    公开(公告)日:2023-05-18

    申请号:US18095869

    申请日:2023-01-11

    CPC classification number: H04L5/0092 H04L5/0048 H04L5/1461

    Abstract: A method for a first device to perform wireless communication and a device supporting same, The method may include the steps of: receiving, from a base station, a time division duplex uplink-downlink (TDD UL-DL) configuration including information related to a UL resource; receiving, from the base station, information related to the start of sidelink (SL) symbols, information related to the number of the SL symbols, and a bitmap indicating one or more slots included in an SL resource pool; and determining the SL resource pool.

    METHOD AND DEVICE FOR PERFORMING SL TRANSMISSION IN NR V2X

    公开(公告)号:US20230144832A1

    公开(公告)日:2023-05-11

    申请号:US18095819

    申请日:2023-01-11

    CPC classification number: H04L5/0048 H04W72/20

    Abstract: A method for performing wireless communication by a first device and a device for supporting same are provided. The method comprises the steps of: mapping first sidelink control information (SCI) onto a resource related to a physical sidelink control channel (PSCCH); mapping a phase tracking-reference signal (PT-RS) onto a resource related to a physical sidelink shared channel (PSSCH), on the basis of a cyclic redundancy check (CRC) on the PSCCH; mapping second SCI onto a resource onto which the PT-RS is not mapped, among resources related to the PSSCH; and transmitting the first SCI, the second SCI, and the PT-RS to a second device, wherein the second SCI is not mapped onto a resource onto which the PT-RS is mapped.

    METHOD AND DEVICE FOR PERFORMING SL COMMUNICATION ON BASIS OF ASSISTANCE INFORMATION IN NR V2X

    公开(公告)号:US20230123147A1

    公开(公告)日:2023-04-20

    申请号:US18084161

    申请日:2022-12-19

    Abstract: A method by which a first device performs wireless communication, and a device for supporting same. The method includes receiving, from a second device, first sidelink control information (SCI) including scheduling information about a physical sidelink shared channel (PSSCH) through a physical sidelink control channel (PSCCH), the first SCI including information related to priority, 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, from the second device, assistance information including information related to first resources and information related to a service type through the PSSCH; generating a medium access control protocol data unit (MAC PDU); selecting a sidelink (SL) resource from among the first resources based on the MAC PDU being related to the service type; and transmitting the MAC PDU based on the SL resource.

    METHOD AND APPARATUS FOR PERFORMING SYNCHRONIZATION IN NR V2X

    公开(公告)号:US20230100726A1

    公开(公告)日:2023-03-30

    申请号:US17982722

    申请日:2022-11-08

    Abstract: Provided are a method and an apparatus for performing, by a first device, wireless communication. The method may comprise the steps of: receiving, from a base station, first information related to SL synchronization priority; receiving, from the base station, second information indicating whether a base station-related synchronization reference can be selected as a synchronization source; and performing synchronization according to one synchronization reference of a GNSS-related synchronization reference and other terminals on the basis of the second information indicating that the base station-related synchronization reference cannot be selected as a synchronization source.

    METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING INFORMATION RELATED TO INTER-UE COORDINATION IN A WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:US20230090749A1

    公开(公告)日:2023-03-23

    申请号:US17946954

    申请日:2022-09-16

    Abstract: According to an embodiment of the present disclosure, a method of a first User Equipment (UE) for transmitting information related to an Inter-UE Coordination in a wireless communication system includes: determining information related to an Inter-UE Coordination based on configuration information, and transmitting, to a second UE, the information related to the Inter-UE Coordination. The information related to the Inter-UE Coordination is based on information representing a preferred resource or information representing a conflict of a reserved resource. Based on information for a first condition included in the configuration information, the preferred resource is determined among the resources related to the transmission of the second UE. Based on the information for the second condition included in the configuration information, an RSRP threshold related to the RSRP measured by the first UE is determined.

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