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 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: 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: 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.

Abstract: In one embodiment is an operating method of user equipment (UE) in a wireless communication system, comprising the steps of: transmitting a first sidelink control channel (SCI) on a physical sidelink control channel (PSCCH); and transmitting a second SCI on a physical sidelink shared channel (PSSCH), wherein the modulation order of a second stage SCI is used in determining the number of symbols for transmission of the second stage SCI.

Abstract: An embodiment relates to an operation method of a power saving (PS) user equipment (UE) in a wireless communication system, the method comprising: receiving bandwidth part (BWP) information related to a PS UE; and performing PSCCH blind decoding in a first BWP area in a resource pool on the basis of the BWP information, wherein the BWP information indicates at least one of a starting position of the first BWP area and the number of sub-channels.

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: An embodiment relates to a method for operating a first user equipment (UE) in a wireless communication system, the method comprising the steps of: receiving, by the first UE, second CBR information from a second UE; and determining a change in a frequency band on the basis of the second CBR information and first CBR information generated by the first UE, wherein a frequency band of the first UE is narrower than a frequency band of the second UE, and the second CBR information is generated by the second UE on the basis of the frequency band of the first UE.

Abstract: According to one embodiment, a method for a terminal to detect a sidelink signal in a wireless communication system comprises: a step in which the terminal performs sweeping on a predetermined signal by using a predetermined window for correlation; and a step for determining that the predetermined signal is a sidelink signal on the basis of a peak detected at a portion corresponding to a predetermined cyclic prefix (CP) while performing the sweeping, wherein the size of the predetermined window corresponds to the longest symbol duration among the respective symbol durations of a plurality of subcarrier spacings.

Abstract: A method for performing wireless communication by a first apparatus and an apparatus for supporting same are provided. The method may comprise the steps of: receiving a physical sidelink control channel (PSCCH) from a second apparatus; receiving a physical sidelink shared channel (PSSCH) related to the PSCCH from the second apparatus; determining a physical sidelink feedback channel (PSFCH) resource related to the PSSCH, on the basis of a slot and sub-channel related to the PSSCH; and obtaining a channel busy ratio (CBR) value related to PSFCH transmission on the PSFCH resource. The CBR value may be obtained on the basis of (i) a first slot before a first offset from a slot that received the PSSCH related to the PSFCH resource, and (ii) measurement in a time section between the first slot and a second slot before a second offset.

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 of the present invention relates to a method for a reader to transmit and receive a signal to and from a tag, the method comprising: a step in which a first reader transmits a first signal to a tag; and a step in which the first reader receives the first signal reflected on the tag. The timing for the first reader to transmit the first signal is determined by using an offset value based on an ID related to the first reader.