Abstract: Provided in some implementations is a sidelink-related operation method of a first user equipment (UE) in a wireless communication system, including the steps in which: a first UE receives, from a second UE, a physical sidelink control channel (PSCCH) including modulation coding scheme (MCS) information; a channel status information reference signal (CSI-RS) and a physical sidelink shared channel (PSSCH) related to the PSCCH are received; CSI is derived on the basis of the CSI-RS; and the first UE transmits, to the second UE, a CSI report including the CSI, wherein the CSI is derived on the basis of the determination of an MCS table.

Abstract: Provided are a method by which a first device performs wireless communication, and an apparatus supporting same. The method may comprise the steps of: allocating at least one resource block (RB) from among a set of a plurality of RBs for a physical sidelink feedback channel (PSFCH) in a PSFCH slot, with respect to a physical sidelink shared channel (PSSCH) resource; performing PSSCH reception from a second device on the basis of the PSSCH resource related to the PSFCH slot; and transmitting hybrid automatic repeat request acknowledgment (HARQ-ACK) information to the second device in response to the PSSCH reception, on the basis of the at least one RB allocated with respect to the PSSCH resource.

Abstract: An aspect of the present disclosure is a method for user equipment in a wireless communication system, wherein a physical sidelink control channel (PSCCH) and a physical sidelink shared channel (PSSCH) are received on an aggregation slot including a plurality of slots, and a sidelink signal is transmitted on a resource selected on the basis of at least one among a reference signal received power (RSRP), a received signal strength indication (RSSI), and a reference signal received quality (RSRQ), which are measured from the aggregation slot. The RSRP is measured from each of slots, on which a plurality of PSCCHs are received, among the plurality of slots on the basis of the plurality of PSCCHs being received on the aggregation slot.

Abstract: One embodiment relates to a method for operating an RX UE in a wireless communication system, comprising the steps in which: the RX UE performs automatic gain control (AGC) in an aggregation set; and the RX UE receives a sidelink signal through the aggregation set, on the basis of the AGC, wherein the aggregation set starts from a predetermined slot related to the number of slots included in the aggregation set.

Abstract: Disclosed in one embodiment is an operating method of a sidelink receiving terminal in a wireless communication system, comprising the steps of: receiving a physical sidelink shared channel (PSSCH); and transmitting a physical sidelink feedback channel (PSFCH) after receiving the PSSCH, wherein the receiving terminal performs Tx/Rx switching in one part of a first symbol, which is the symbol after the last symbol in which the PSSCH is received, transmits a signal related to automatic gain control (AGC) in the remaining part of the first symbol, and transmits the PSFCH in the symbol after the first symbol.

Abstract: An embodiment provides an operation method of a sidelink reception terminal in a wireless communication system, the method comprising the steps of: receiving a first physical sidelink shared channel (PSSCH) and a second PSSCH by a sidelink reception terminal; and transmitting feedbacks for the first PSSCH and the second PSSCH through a first physical sidelink feedback channel (PSFCH) resource and a second PSFCH resource, respectively, by the sidelink reception terminal, wherein the first PSSCH and the second PSSCH are received in different slots, and a first PSFCH related to the first PSSCH and a second PSFCH related to the second PSSCH are transmitted through different frequency resources within an identical time resource area.

Abstract: According to an embodiment of the present disclosure, a method for performing SL communication by a first device is provided. The method comprises the steps of: determining a plurality of first bits on which interleaving is to be performed from among a plurality of bits of a first encoded code block and a plurality of second bits except for the plurality of first bits from among the plurality of bits of the first encoded code block; performing interleaving on the plurality of first bits; transmitting, to a second device, the plurality of first bits on which the interleaving has been performed, on a plurality of first REs related to the plurality of first bits; and transmitting, to the second device, the plurality of second bits on a plurality of second REs related to the plurality of second bits.

Abstract: An embodiment is a method for a user equipment (UE) to transmit a phase-tracking reference signal (PTRS) related to sidelink in a wireless communication system, the method comprising the steps of: generating demodulation reference signals (DMRSs) related to a physical sidelink shared channel (PSSCH); generating a PTRS related to the PSSCH; and transmitting the PTRS and at least a portion of the DMRSs, wherein a DMRS sequence mapped to a prescribed position in a first PSSCH symbol in which the DMRSs are transmitted is used for generating the PTRS, and the prescribed position corresponds to a frequency location at which the PTRS is transmitted and includes a frequency location at which the generated DMRSs are not transmitted.

Abstract: Disclosed in one embodiment is an operating method of user equipment (UE) in a wireless communication system, comprising the steps of: transmitting sidelink control information mapped to a first data area in a slot; and transmitting a channel status information reference signal (CSI-RS) mapped to a second data area in the slot, wherein a symbol of the first data area and a symbol of the second data area are separated from each other.

Abstract: An embodiment provides an operation method of a sidelink reception terminal in a wireless communication system, the method comprising the steps of: receiving a first physical sidelink shared channel (PSSCH) and a second PSSCH by a sidelink reception terminal; and transmitting feedbacks for the first PSSCH and the second PSSCH through a first physical sidelink feedback channel (PSFCH) resource and a second PSFCH resource, respectively, by the sidelink reception terminal, wherein the first PSSCH and the second PSSCH are received in different slots, and a first PSFCH related to the first PSSCH and a second PSFCH related to the second PSSCH are transmitted through different frequency resources within an identical time resource area.

Abstract: Provided are a method by which a first device performs wireless communication and an apparatus for supporting same. The method may comprise the steps of: determining a first PSSCH resource selected by a second device; selecting a second PSSCH resource; and transmitting a PSSCH by using the second PSSCH resource. Here, a PSFCH resource related to the second PSSCH resource may not overlap a PSFCH resource related to the first PSSCH resource.

Abstract: One embodiment is an operation method of a user equipment (UE) in a wireless communication system, the method comprising the steps of: transmitting a 1st stage sidelink control information (SCI) on a PSCCH; and transmitting a 2nd stage SCI on a PSSCH, wherein a first scrambling sequence associated with the 1st stage SCI is generated on the basis of a fixed value, and a second scrambling sequence associated with the 2nd stage SCI is generated on the basis of a cyclic redundancy check (CRC)-related value.

Abstract: One embodiment relates to a sidelink terminal device which transmits a PSCCH in a wireless communications system, the device comprising: a memory; and a processor coupled to the memory, wherein the processor transmits a PSCCH by using at least some resources among PSCCH candidate resources associated with PSSCH candidate resources, and the resources for transmitting the PSCCH include a number Z of sequential resource blocks (RBs) and also include the center frequency of the PSCCH candidate resources on the frequency axis.

Abstract: Provided in some implementations is a sidelink-related operation method of a first user equipment (UE) in a wireless communication system, including the steps in which: a first UE receives, from a second UE, a physical sidelink control channel (PSCCH) including modulation coding scheme (MCS) information; a channel status information reference signal (CSI-RS) and a physical sidelink shared channel (PSSCH) related to the PSCCH are received; CSI is derived on the basis of the CSI-RS; and the first UE transmits, to the second UE, a CSI report including the CSI, wherein the CSI is derived on the basis of the determination of an MCS table.

Abstract: Provided in some implementations is a sidelink-related operation method of a first user equipment (UE) in a wireless communication system, including the steps in which: a first UE receives, from a second UE, a physical sidelink control channel (PSCCH) including modulation coding scheme (MCS) information; a channel status information reference signal (CSI-RS) and a physical sidelink shared channel (PSSCH) related to the PSCCH are received; CSI is derived on the basis of the CSI-RS; and the first UE transmits, to the second UE, a CSI report including the CSI, wherein the CSI is derived on the basis of the determination of an MCS table.

Abstract: An embodiment provides an operation method of a user equipment (UE) in a wireless communication system, the method comprising the steps of: transmitting 1st stage SCI (a sidelink control channel) on a physical sidelink control channel (PSCCH); and transmitting 2nd stage SCI on a physical sidelink shared channel (PSSCH), wherein the number of symbols for transmission of the 2nd stage SCI is determined using the number of resource elements (REs) related to the 2nd stage SCI, and the number of the resource elements (REs) related to the 2nd stage SCI is obtained by subtracting only the number of REs related to the PSCCH from the number of REs related to the PSSCH.

Abstract: An embodiment is a method for a user equipment (UE) to transmit a phase-tracking reference signal (PTRS) related to sidelink in a wireless communication system, the method comprising the steps of: generating demodulation reference signals (DMRSs) related to a physical sidelink shared channel (PSSCH); generating a PTRS related to the PSSCH; and transmitting the PTRS and at least a portion of the DMRSs, wherein a DMRS sequence mapped to a prescribed position in a first PSSCH symbol in which the DMRSs are transmitted is used for generating the PTRS, and the prescribed position corresponds to a frequency location at which the PTRS is transmitted and includes a frequency location at which the generated DMRSs are not transmitted.

Abstract: An embodiment is a method for a user equipment (UE) to transmit a phase-tracking reference signal (PTRS) related to sidelink in a wireless communication system, the method comprising the steps of: generating demodulation reference signals (DMRSs) related to a physical sidelink shared channel (PSSCH); generating a PTRS related to the PSSCH; and transmitting the PTRS and at least a portion of the DMRSs, wherein a DMRS sequence mapped to a prescribed position in a first PSSCH symbol in which the DMRSs are transmitted is used for generating the PTRS, and the prescribed position corresponds to a frequency location at which the PTRS is transmitted and includes a frequency location at which the generated DMRSs are not transmitted.

Abstract: Disclosed is a method of performing an operation for a sidelink user equipment (UE) in a wireless communication system, including generating a sidelink synchronization signal block (S-SSB) including a sidelink primary synchronization signal (S-PSS), a sidelink secondary synchronization signal (S-SSS), and a physical sidelink broadcast channel (PSBCH); and transmitting the S-SSB, wherein the number of transmissions of the S-SSB within one period is differently set according to a subcarrier spacing.

Abstract: According to one embodiment, proposed is a method by which a first device performs wireless communication.