Abstract: Provided are a method, performed by a first terminal, for adjusting a threshold for determining hybrid automatic repeat request (HARQ) feedback in a wireless communication system, and an apparatus for supporting the same. The method comprises the steps of: transmitting at least one piece of information to a second terminal; receiving, from the second terminal, at least one HARQ feedback in response to the at least one piece of information; determining an ACK or NACK with respect to the at least one HARQ feedback, based on the threshold; receiving, from the second terminal, an HARQ feedback transmission history of the second terminal; and adjusting the threshold, based on the HARQ feedback transmission history of the second terminal and information about the HARQ feedback determined by the first terminal.

Abstract: The present invention relates to a wireless communication system, and in particular, to a method and a device therefor, in which a sequence for a primary sidelink synchronization signal (PSSS) is generated on the basis of a specific cyclic shift value, and the PSSS is transmitted to a second device on the basis of the generated sequence, wherein the specific cyclic shift value is one of a plurality of first cyclic shift values for the PSSS, the plurality of first cyclic shift values are on the basis of a certain ratio being applied to offsets of second cyclic shift values for a downlink primary synchronization signal (DL PSS) sequence, and the intervals between the plurality of first cyclic shift values are maximized.

Abstract: Disclosed is a method for transmitting, by a terminal supporting a sidelink, a sidelink synchronization signal block (S-SSB) in a wireless communication system. Specifically, the present disclosure comprises transmitting, from a specific slot, an S-SSB including a primary sidelink synchronization signal (PSSS), a secondary sidelink synchronization signal (SSSS), and a physical sidelink broadcast channel (PSBCH), wherein the PSBCH is mapped to first orthogonal frequency division multiplexing (OFDM) symbols included in the specific slot, and the first OFDM symbols are located after second OFDM symbols for the SSSS.

Abstract: A wireless device may receive receive one or more messages indicating a first sidelink operation mode, for a sidelink carrier, in which a base station schedules sidelink resources for a sidelink carrier, and a scheduling cell for the sidelink carrier. The wireless device may transition the scheduling cell from a normal power state to a power saving state. In response to the transitioning, the wireless device may switch from the first sidelink operation mode to a second sidelink operation mode in which the wireless device determines sidelink resources.

Abstract: One embodiment of the present invention provides a method for transmitting, by a receiving terminal, a feedback signal to a transmitting terminal in a wireless communication system, the method comprising the steps of: receiving, by the receiving terminal, a reference signal from the transmitting terminal; and transmitting, by the receiving terminal, the feedback signal corresponding to the reference signal to the transmitting terminal, wherein the feedback signal is transmitted on the basis of compensation for a phase change that occurs when the reference signal is received. The receiving terminal is capable of communicating with at least one of another UE, a UE related to an autonomous driving vehicle, a base station or a network.

Abstract: One embodiment of the present invention provides a method for receiving a wake-up signal by a first UE in a wireless communication system, the method comprising the steps of: operating a wake-up receiver during a wake-up signal on-duration by the first UE; and receiving a wake-up signal transmitted by a second UE through the wake-up receiver and then receiving data, wherein information related to the wake-up signal on-duration is commonly signaled to the first UE, which receives the wake-up signal, and the second UE which transmits the wake-up signal. The UE is capable of communicating with at least one of another UE, a UE related to an autonomous driving vehicle, the BS or a network.

Abstract: In a wireless communication system, a third party different from both terminals or a base station, which are parties to vehicle-to-everything (V2X) communication, may be involved in resource allocation for the V2X communication. For example, a first terminal performing V2X communication with a second terminal receives recommendation information recommending a resource available for the V2X communication from a third terminal and performs the V2X communication with the second terminal by using a recommended resource determined based on the recommendation information or a resource selected by the first terminal based on the recommendation information.

Abstract: Wireless communications may comprise transmissions using a beam. A message may comprise one or more indications of a beam and/or type(s) of signals for downlink and/or uplink transmission using the beam. An acknowledgement may be used to indicate reception of the one or more indications and/or a time offset may be used for applying the beam for the downlink and/or uplink transmission.

Abstract: Provided are a method for a terminal stopping information transmission in a wireless communication system, and a device supporting same. The method may comprise the steps of: receiving first power control information for setting a transmission power to zero; and stopping information transmission on a resource on the basis of the first power control information.

Abstract: Provided are a method for performing sidelink communication by means of a first device (100), and an apparatus supporting same. The method comprises the steps of: performing channel occupancy ratio (CR) measurement on the basis of the number of transmission layers; and performing sidelink communication on the basis of the measurement.

Abstract: Provided are a method by which a first apparatus configures a bandwidth part (BWP) and an apparatus for supporting same. The method may comprise the steps of: configuring a first BWP related to communication between the first apparatus and a base station; and configuring a second BWP related to sidelink communication between the first apparatus and a second apparatus. Here, numerology of the first BWP and numerology of the second BWP may be the same.

Abstract: Provided is a method of, by a first device 100, performing sidelink communication. The method includes configuring a carrier for New RAT (NR) sidelink communication, obtaining first synchronization associated with the NR sidelink communication from second synchronization associated with Long Term Evolution (LTE) sidelink communication, and determining whether to transmit synchronization information associated with the NR sidelink communication over the carrier.

Abstract: A wireless device receives receive, from a base station, radio resource control messages comprising configuration parameters of a first semi-persistent scheduling (SPS) for multicast and broadcast services (MBS), wherein the configuration parameters of the first SPS comprise a first hybrid automatic repeat request acknowledgment (HARQ-ACK) codebook index. The wireless device receives a multicast transport block (TB) based on receiving a group common downlink control information (DCI) indicating an activation of the first SPS. The wireless device transmits first feedback for the multicast TB in a first HARQ-ACK codebook, of HARQ-ACK codebooks, indicated by the first HARQ-ACK codebook index.

Abstract: Wireless communications for a sidelink are described. A wireless devices and/or a base station may determine at least one resource and/or time period for communications via a sidelink. The base station and/or the wireless device may schedule sidelink communication, based on the determined resource(s) and/or time period(s), which may increase the likelihood of successful sidelink communications between wireless devices.

Abstract: A wireless device receives parameters, including a first discontinuous reception (DRX) configuration associated with unicast transmissions in a cell and a second DRX configuration associated with multicast and broadcast services (MBS) in the cell. The wireless device may also receive a power saving (PS) indication indicating not to start a DRX on duration timer. The PS indication may be applied for the first DRX configuration; and it may not be applied for the second DRX configuration. The wireless device may further skip monitoring, in a first DRX on duration of the first DRX configuration, first physical downlink control channels (PDCCHs) for the unicast transmissions based on receiving the PS indication. The wireless device may also monitor, in a second DRX on duration of the second DRX configuration and while skipping monitoring the first PDCCHs in the first DRX on duration, second PDCCHs for the MBS.

Abstract: A user equipment may transmit a multicast/broadcast signal to a plurality of second UEs, and receive, in response to the multicast/broadcast signal, one or more HARQ feedback signals from one or more of the plurality of second UEs, based on a HARQ feedback resource that is commonly allocated to the plurality of second UEs.

Abstract: One embodiment of the present invention relates to a method for performing a vehicle image reconstruction by a sensing vehicle (SV) in a wireless communication system, the method comprising: receiving a plurality of stepped-frequency-continuous-wave (SFCW) from target vehicle (TV); receiving signature waveforms in a different frequency range for the plurality of SFCWs; performing synchronization by using phase-difference-of-arrival (PDoA) based on the signature waveforms; reconstructing one or more virtual images of the TV; and deriving a real image from the one of more Virtual Image.

Abstract: A wireless device transmits a sidelink transmission comprising a transport block and receives, via a feedback resource, a feedback for the transport block. The feedback resource is from first feedback resources based on the sidelink transmission indicating one of: unicast or groupcast with a first feedback operation; and from second feedback resources based on the sidelink transmission indicating groupcast with a second feedback operation.

Abstract: A method includes determining, by a first wireless device, whether to trigger a sidelink resource selection procedure to select a set of resources for one or more sidelink transmissions by a second wireless device based on a wireless device category of the first wireless device. The method further includes, in response to triggering the sidelink resource selection procedure, selecting the set of resources and transmitting a first message indicating the set of resources to the second wireless device.

Abstract: A wireless device transmits assistance information including first configuration parameters indicating that each cell group of cell groups is associated with a maximum number of multiple-input multiple-output (MIMO) layers for a power saving operation of the wireless device with each of the cell groups operating in a different frequency range. Second configuration parameters, for the power saving operation, are received including: a first maximum number of MIMO layers for a first bandwidth part (BWP) of a first cell group of the cell groups, and a second maximum number of MIMO layers for a second BWP of the first cell. Based on the first cell belonging to the first cell group, the first maximum number and the second maximum number are each less than or equal to the maximum number corresponding to the first cell group.