METHOD AND APPARATUS FOR PERFORMING SIDELINK-BASED POSITIONING

    公开(公告)号:US20230403114A1

    公开(公告)日:2023-12-14

    申请号:US17791365

    申请日:2021-01-07

    CPC classification number: H04L5/0051

    Abstract: A first device receives information related to an absolute location of a positioning reference from the positioning reference; obtains a first PRS reception timing based on a positioning reference signal (PRS) received from the positioning reference; obtains a second PRS reception timing at which a second device receives the PRS from the positioning reference based on a phase difference value between first RSs received on first subcarriers from the second device; obtains a third PRS reception timing at which a third device receives the PRS from the positioning reference, based phase difference value between second RSs received on second subcarriers from the third device; estimates a relative location of the positioning reference based on the first PRS reception timing, the second PRS reception timing, and the third PRS reception timing; and obtains location information of the first device based on the absolute location and the relative location.

    METHOD AND DEVICE FOR MEASUREMENT GAP FORMATION FOR SL POSITIONING

    公开(公告)号:US20230276399A1

    公开(公告)日:2023-08-31

    申请号:US18110329

    申请日:2023-02-15

    Inventor: Woosuk KO

    CPC classification number: H04W64/00 H04W72/40

    Abstract: A method of operating a first device 100 in a wireless communication system is proposed. The method may comprise: obtaining information related to SL BWP; obtaining information regarding a measurement gap period, in which a transmission of SL data is not allowed, related to positioning of the first device; selecting the SL BWP or the measurement gap period, for use in a transmission of a PRS; transmitting the PRS based on the selected SL BWP or measurement gap period; and performing the positioning based on the PRS.

    METHOD FOR SIDELINK COMMUNICATION IN NR V2X BY TERMINAL IN WHICH NR MODULE AND LTE MODULE COEXIST

    公开(公告)号:US20230171719A1

    公开(公告)日:2023-06-01

    申请号:US17995782

    申请日:2021-04-09

    CPC classification number: H04W56/0015 H04W72/25

    Abstract: An embodiment of the present disclosure provides a method for performing sidelink communication by a first device. The method may comprise the steps of: receiving synchronization information from a synchronization source; acquiring LTE synchronization on the basis of the synchronization information via an LTE module included in the first device; acquiring NR synchronization arranged with the LTE synchronization, via an NR module included in the first device; generating NR SLSS and NR PSBCH information on the basis of information related to the LTE synchronization and the arranged NR synchronization; transmitting an NR S-SSB, which includes the NR SLSS and NR PSBCH information, to a second device performing sidelink communication on the basis of the NR module; transmitting first SCI to the second device via a PSCCH; and transmitting, to the second device, data and second DCI differing from the first SCI via a PSSCH related to the PSCCH on the basis of a sidelink resource determined on the basis of the first SCI.

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

    公开(公告)号:US20230080157A1

    公开(公告)日:2023-03-16

    申请号:US17858818

    申请日:2022-07-06

    Abstract: A method for a first device to perform wireless communication based on partial sensing and an apparatus supporting the same are provided. The method may comprise: triggering a resource selection procedure; determining a selection window within a packet delay budget (PDB) based on the triggering of the resource selection procedure; selecting Y candidate slots in the selection window; performing sensing within a contiguous partial sensing (CPS) window related to the Y candidate slots; and selecting a sidelink (SL) resource based on random selection within the selection window, based on the number of slots included in the CPS window which is less than a minimum number of slots, wherein Y is a positive integer.

    METHOD AND DEVICE FOR SIGNALING INFORMATION RELATED TO TDD SLOT CONFIGURATION IN NR V2X

    公开(公告)号:US20230042690A1

    公开(公告)日:2023-02-09

    申请号:US17957695

    申请日:2022-09-30

    Abstract: A method for performing wireless communication by a first device includes: receiving information related to a time division duplex (TDD) slot configuration, transmitting, to a second device, a sidelink-synchronization signal block (S-SSB), the S-SSB including a sidelink primary synchronization signal, a sidelink secondary synchronization signal, and a physical sidelink broadcast channel, and transmitting, to the second device, a physical sidelink shared channel based on the information related to the TDD slot configuration. Candidate resources to which a bitmap related to a sidelink resource pool is applied (i) are configured based on the information related to the TDD slot configuration and (ii) include one or more slots. Configuration information related to a sidelink symbol included in each of the one or more slots is received, the configuration information including information related to a position of the sidelink symbol configured to be the same for the candidate resources.

    METHOD AND APPARATUS FOR PERFORMING WIRELESS COMMUNICATION BASED ON SL RESOURCE IN NR V2X

    公开(公告)号:US20230038045A1

    公开(公告)日:2023-02-09

    申请号:US17812820

    申请日:2022-07-15

    Abstract: Proposed herein are a method for performing wireless communication by a first apparatus and an apparatus supporting the same. The method may include the steps of obtaining SL DRX configuration including information related to SL DRX active time of a second apparatus, determining a selection window, selecting at least one first candidate resource within the selection window based on sensing, selecting at least one second candidate resource within the SL DRX active time of the second apparatus, based on the at least one first candidate resource not being within the SL DRX active time of the second apparatus, selecting an SL resource from among the at least one first candidate resource and the at least one second candidate resource, transmitting first SCI, to the second apparatus, for scheduling a PSSCH and second SCI, through a PSCCH, based on the SL resource, and transmitting the second SCI and a MAC PDU to the second apparatus, through the PSSCH, based on the SL resource.

    METHOD AND APPARATUS FOR SELECTING CRITERIA FOR SIDELINK SYNCHRONIZATION IN NR V2X

    公开(公告)号:US20220417872A1

    公开(公告)日:2022-12-29

    申请号:US17771765

    申请日:2020-10-23

    Abstract: Proposed is a method for performing wireless communication by a first device. The method may comprise the steps of: receiving a plurality of sidelink-synchronization signal blocks (S-SSBs) from a plurality of synchronization sources, wherein each of the plurality of S-SSBs includes a sidelink primary synchronization signal (S-PSS), a sidelink secondary synchronization signal (S-SSS), and a physical sidelink broadcast channel (PSBCH); selecting any one of the plurality of synchronization sources on the basis of a reference signal received power (RSRP) associated with each of the plurality of S-SSBs and a sidelink synchronization signal (SLSS) ID associated with each of the plurality of S-SSBs; performing synchronization on the basis of the S-SSB associated with the selected synchronization source; and transmitting a PSCCH or PSSCH to a second device on the basis of the synchronization. For example, the SLSS ID associated with each of the plurality of S-SSBs may be a criterion for selecting any one of the plurality of synchronization sources, on the basis of the fact that a RSRP value associated with each of the plurality of S-SSBs is greater than or equal to a minimum RSRP threshold value.

    METHOD FOR USER EQUIPMENT IN WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:US20220407647A1

    公开(公告)日:2022-12-22

    申请号:US17633742

    申请日:2020-08-31

    Abstract: In a method for user equipment in a wireless communication system according to an aspect of the present disclosure, a physical sidelink control channel (PSCCH) is received from a plurality of anchor nodes (ANs) on a plurality of subchannels, wherein each of the plurality of subchannels comprises at least one resource block, and, on the basis of the PSCCH, a plurality of positioning reference signals (PRSs) are received from the plurality of ANs, a subchannel identification (ID) is allocated to each of the plurality of subchannels, and the PRS pattern of each of the plurality of PRSs is mapped to the subchannel ID.

    METHOD AND DEVICE FOR TRANSMITTING PSFCH AND PRS IN NR V2X

    公开(公告)号:US20220353035A1

    公开(公告)日:2022-11-03

    申请号:US17763012

    申请日:2020-10-05

    Abstract: According to one embodiment of the present disclosure, provided is a method in which a first device performs sidelink communication. The method may comprise: a step for determining at least one PRS resource for transmitting at least one PRS for sidelink positioning; a step for transmitting, to a second device, the at least one PRS on the basis of the at least one PRS resource; a step for receiving, from the second device, a PSCCH and a PSSCH associated with the PSCCH; a step for determining at least one PSFCH resource for transmitting the PSCCH or at least one PSFCH related to the PSSCH to the second device; and a step for transmitting, to the second device, the at least one PSFCH on the basis of the at least one PSFCH resource.

    METHOD AND APPARATUS FOR SELECTING SYNCHRONIZATION REFERENCE IN NR V2X

    公开(公告)号:US20220286982A1

    公开(公告)日:2022-09-08

    申请号:US17597413

    申请日:2020-07-13

    Abstract: Provided are a method for performing, by a first device, wireless communication, and an apparatus for supporting same. The method may comprise the steps of: receiving, from a second device, one or more sidelink synchronization signal blocks (S-SSBs) including a sidelink primary synchronization signal (S-PSS), a sidelink secondary synchronization signal (S-SSS), and a physical sidelink broadcast channel (PSBCH); obtaining an average reference signal received power (RSRP) value for at least one S-SSB from among the one or more S-SSBs; and determining, on the basis of the average RSRP value, whether to select the second device as a synchronization reference.

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