Abstract:
The object of the present invention can be achieved by providing a method of transmitting broadcast signals including encoding Data Pipe, DP, data, wherein the encoding further includes Forward Error Correction, FEC, encoding the DP data, Bit interleaving the FEC encoded DP data and mapping the bit interleaved DP data onto constellations; building at least one signal frame by mapping the encoded DP data; and modulating data in the at least one built signal frame by an Orthogonal Frequency Division Multiplexing, OFDM, method and transmitting the broadcast signals having the modulated data, wherein each of the at least one signal frame includes at least one preamble having repeated at least one signaling information.
Abstract:
Proposed is a method for operation of a first device (100) in a wireless communication system. The method may comprise the steps of: acquiring an SL DRX configuration related to a second device (200); measuring a CBR with respect to a resource pool; determining, on the basis of the CBR, the number of resources to be included in a time duration in which a first timer related to an active time being included in the SL DRX configuration is operating; and on the basis of the number of resources to be included in the time duration in which the first timer related to the active time is operating, selecting an initial transmission resource and at least one retransmission resource within a resource selection window.
Abstract:
Provided are a method by which a first device performs wireless communication, and a device supporting same. The method comprises the steps of: receiving, from a base station, a radio resource control (RRC) message including information related to a time offset of a configured grant (CG) resource and information related to a period of the CG resource; determining a reference logical slot; and determining a slot including the CG resource within the period on the basis of the reference logical slot and the information related to the time offset, wherein the slot occurs after the time offset from the reference logical slot, and the reference logical slot may be the closest complete sidelink (SL) logical slot in a time domain after the starting time of a system frame number (SFN) having a first index.
Abstract:
Provided are a method by which a first device communicates wirelessly, and a device for supporting same. The method comprises the steps of: triggering resource selection in a first slot; selecting Y candidate slots, in a selection window determined on the basis of the first slot; monitoring, on the basis of at least one resource reservation period for periodic-based partial sensing (PBPS), at least one slot related to the Y candidate slots; and selecting at least one candidate resource, in the Y candidate slots, on the basis of the monitoring, wherein the at least one slot can be determined on the basis of whether information for monitoring an additional sensing occasion is set for the first device.
Abstract:
Proposed is a method for operation of a first device (100) in a wireless communication system. The method may comprise the steps of: triggering resource selection; determining at least one candidate slot for periodic based partial sensing (PBPS) related to the resource selection; selecting a sidelink (SL) resource on the basis of a candidate resource set related to the at least one candidate slot; and transmitting, on the basis of the SL resource, sidelink control information (SCI) to a second device (200), wherein, on the basis of the PBPS related to a transmission period of an MAC PDU, having not been completed, the SCI does not include information related to a reservation period of the MAC PDU.
Abstract:
A method for obtaining, by a vehicle, information regarding its own location through V2X communication is disclosed. Specifically, the method for obtaining location information of a vehicle may comprise the steps of: receiving a V2I message including location information of a road side unit (RSU) from the RSU; receiving a V2X message including reception time information related to a time when the V2I message is received from each of a first surrounding vehicle and a second surrounding vehicle; calculating a relative position of the RSU relative to the current vehicle on the basis of the reception time information and the time at which the current vehicle received the V2I message; and acquiring the location of the current vehicle on the basis of the relative location of the RSU and the location information of the RSU.
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: obtaining a configuration related to a resource pool; performing sensing to select a sidelink (SL) resource in the resource pool; determining a first burst resource including a plurality of resources within a selection window on the basis of the sensing; triggering re-evaluation or pre-emption of at least one resource from among the plurality of resources included in the first burst resource; determining, based on the re-evaluation or the preemption, to exclude a first resource from among the at least one resource included in the first burst resource; and performing a reselection procedure for the first burst resource on the basis of the determination to exclude the first resource.
Abstract:
A method for performing wireless communication by a first apparatus and an apparatus for supporting same are provided. The method comprises the steps of: receiving, from a base station, a radio resource control (RRC) message including information related to a first sidelink (SL) resource; receiving, from the base station, first downlink control information (DCI) related to activation of the first SL resource via a first physical downlink control channel (PDCCH) at a first time point, wherein the first DCI comprises information related to a first physical uplink control channel (PUCCH) resource for reporting hybrid automatic repeat request (HARQ) feedback information; receiving, from the base station, second DCI related to release of the first SL resource via a second PDCCH at a second time point; transmitting, to a second apparatus, a transport block (TB) via a physical sidelink shared channel (PSSCH) on the basis of the first SL resource between the second time point and a third time point; and transmitting, to the base station, the HARQ feedback information for the TB on the basis of the first PUCCH resource, wherein the first SL resource may be released from the third time point, the first time point may be before the second time point, and the second time point may be before the third time point.
Abstract:
A method of operating a first device 100 in a wireless communication system is proposed. The method may comprise: obtaining information related to an SL PRS resource; receiving a first PRS at a first time point, based on the SL PRS resource; receiving a second PRS at a second time point, based on the SL PRS resource; receiving, a first distance value between the second device 200 and the third device 300; obtaining a first RSTD value between the second device 200 and the third device 300; and performing the positioning based on the first RSTD value.
Abstract:
Proposed is a method by which a first device (100) operates in a wireless communication system. The method may comprise the steps of: transmitting, to a second device (200) through a physical sidelink control channel (PSCCH), first sidelink control information (SCI) for scheduling a physical sidelink shared channel (PSSCH) and second SCI; transmitting, to the second device (200) through the PSSCH on the basis of the first SCI, the second SCI including a request for a first channel state information (CSI) report; starting a second timer, on the basis of transmitting the request for the first CSI report; receiving SL data from the second device (200), on the basis of the fact that the second timer is running; and starting a third timer, on the basis of a priority value associated with the SL data being less than a first threshold value.