Abstract: A method by which a first device performs wireless communication and a device for supporting same are provided. The method can comprise the steps of: transmitting a random access preamble to a base station; receiving, from the base station, a random access response message related to the random access preamble; transmitting, to the base station, a radio resource control (RRC) setup request message on the basis of the random access response message; receiving, from the base station, an RRC setup message as a response to the RRC setup request message; and receiving, from the base station, an RRC message including a setup related to a Uu bandwidth part (BWP) and a setup related to a sidelink (SL) BWP, wherein first device cannot perform SL communication through the SL BWP on the basis of the fact that the numerology of the Uu BWP and the numerology of the SL BWP are different.

Abstract: A method for transmitting/receiving data in a wireless communication system and a device for supporting same are presented. Particularly, a method by which a terminal receives a physical downlink shared channel (PDSCH) in a wireless communication system comprises the steps of: receiving, from a base station, downlink control information (DCI) for scheduling the PDSCH in a nth transmission time unit; and determining whether the PDSCH is received on the basis of the DCI, wherein the DCI includes information for indicating whether a demodulation reference signal (DMRS) for the PDSCH exists in the nth transmission time unit.

Abstract: Disclosed is a method by which a terminal transmits an acknowledgement (ACK)/negative ACK (NACK) signal in a wireless communication system. In particular, the method is characterized by receiving data from a base station, generating an ACK signal or a NACK signal corresponding to the data, transmitting the ACK signal to the base station on the basis of a first hopping pattern when the ACK signal is generated according to the data, and transmitting the NACK signal to the base station on the basis of a second hopping pattern different from the first hopping pattern when the NACK signal is generated according to the data. The terminal is capable of communicating with at least one of another terminal, a terminal related to an autonomous driving vehicle, the base station or a network.

Abstract: Provided are a method for performing sidelink communication by a first apparatus (100) and an apparatus supporting same. The method may comprise the steps of: performing channel busy ratio (CBR) measurement on at least one bandwidth part (BWP) associated with a first sidelink service, among a plurality of BWPs included in a first carrier; and determining a CBR value of the first carrier, on the basis of the measured CBR value of at least one BWP associated with the first sidelink service.

Abstract: The present specification suggests a method for transmitting an uplink channel in a wireless communication system and a device supporting same. More particularly, a method for transmitting, by a terminal, a physical uplink control channel (PUCCH) in a wireless communication system, comprises the steps of: receiving a physical uplink shared channel (PDSCH) from a base station; and transmitting, to the base station, the PUCCH including hybrid automatic retransmit request (HARQ)-acknowledgment (ACK) information for the PDSCH, wherein the PDSCH includes a first PDSCH and a second PDSCH, and the transmission power of the PUCCH is determined on the basis of a priority between the first PDSCH and the second PDSCH and/or a bit configuration of the HARQ-ACK information.

Abstract: Disclosed are a method for transmitting and receiving a signal by a terminal and a base station and a device supporting same. More particularly, disclosed are a method for transmitting and receiving a signal by a base station or a terminal by means of applying a beam-forming method which varies for each predetermined resource region, and a device supporting same.

Abstract: The present disclosure provides a method for transmitting scheduling information in a wireless communication system performed by a user equipment (UE) that supports a vehicle-to-everything (V2X) operation, including transmitting the scheduling information based on a predefined resource or a repeated transmission of a basic unit, wherein the UE transmits the scheduling information by reflecting index information of a sequence applied to a reference signal related to the transmission of the scheduling information, and wherein the index information has different values depending on the number of the repeated transmissions, a transmission timing of the scheduling information, or a transmission type.

Abstract: Provided is a method for performing synchronization of a terminal in a wireless communication system. The method comprises: receiving synchronization information from a specific terminal, wherein the synchronization information informs a specific synchronization source; and performing synchronization, on the basis of the synchronization information, with the specific synchronization source, wherein the specific synchronization source is a synchronization source in a synchronization relationship with the specific terminal.

Abstract: Presented in one embodiment of the present invention is a method by which a terminal transmits and receives a signal in a wireless communication system, the method comprising the steps of: receiving, by the terminal, a synchronization signal; and transmitting and receiving, by the terminal, a signal to and from a base station or the other terminal on the basis of the received synchronization signal, wherein the terminal identifies the type of synchronization signal on the basis of the degree to which the sequence of the synchronization signal is shifted.

Abstract: Provided are a method in which a terminal determines whether or not information is successfully transmitted to a plurality of terminals in a group in a wireless communication system, and a device supporting same. The method can comprise the steps of: transmitting the information to a plurality of terminals in the group; receiving zero or one or more feedback information items on a first resource in response to the transmitted information; and determining whether or not the information is successfully transmitted to the plurality of terminals in the group, on the basis of power measured in the first resource and power measured in a second resource.

Abstract: A method for a first device (100) to transmit sidelink information and an apparatus for supporting same are provided. The method may comprise the steps of: performing sensing of a resource associated with a transmission resource included in at least one first resource pattern; selecting a second resource pattern from among the at least one first resource pattern on the basis of the sensing; and transmitting the sidelink information to a second device (200) by using a transmission resource in the second resource pattern.

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: An embodiment of the present invention provides a method for transmitting a plurality of packets by a sidelink terminal in a wireless communication system, the method comprising the steps of: transmitting a first packet of a plurality of packets with a first period and a first transmission power value; and transmitting a second packet of the plurality of packets with a second period and a second transmission power value, wherein the first period is longer than the second period, and the first transmission power value is greater than the second transmission power value.

Abstract: One embodiment of the present disclosure provides a method for transmitting, by a receiving terminal, a feedback signal to a transmitting terminal in a wireless communication system, the method comprising a step of: receiving, by the receiving terminal, a reference signal from the transmitting terminal; and transmitting, by the receiving terminal, the feedback signal for 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.

Abstract: The present disclosure provides a method for performing a vehicle-to-everything (V2X) operation by a terminal in a wireless communication system, the method comprising: restructuring a plurality of uplink resources in order to configure a resource pool associated with the V2X operation; and performing the V2X operation on the plurality of restructured uplink resources.

Abstract: The present disclosure provides a method by which a terminal for supporting bundling of a plurality of transmission time intervals (TTIs) performs a vehicle-to-everything (V2X) operation in a wireless communication system, wherein the V2X operation is performed on a specific resource on the basis of multiplexing when sensing is performed in a sensing section and the result thereof shows no available resources.

Abstract: An embodiment of the present invention provides a method for adjusting transmission timing by an anchor node (AN) in a wireless communication system, the method comprising the steps of: receiving a first signal from a first AN by a second AN; transmitting a second signal to the first AN as a response to the first signal according to pre-configured timing by the second AN; receiving a propagation delay value, which is based on the second signal, from the first AN by the second AN; determining a time point of transmission of the first signal by the first AN, from a time point of reception of the first signal and the propagation delay value by the second AN; and adjusting transmission timing with reference to the time point of the transmission of the first signal, by the second AN.

Abstract: A method of receiving Downlink (DL) data by a User Equipment (UE) in a wireless communication system. The method includes: receiving information related to a number of repetitions of the DL data which is repeatedly transmitted in (i) at least one first Transmission Time Interval (TTI) included in a first subframe, and in (ii) at least one second TTI included in a second subframe that is after the first subframe; and receiving the DL data based on the number of repetitions of the DL data. If a Transmission Mode (TM) for the first subframe is different from a TM for the second subframe, then the UE does not receive the DL data in the at least one second TTI.

Abstract: The present specification proposes a method for transmitting and receiving a physical downlink shared channel (PDSCH) in a wireless communication system and a device supporting the same. More specifically, the method performed by a user equipment includes receiving, from a base station, a higher layer signal including first information about a configuration of an operation related to a PDSCH repetition, receiving, from the base station, second information related to a number of symbols of a control region, receiving, from the base station, downlink control information (DCI) including information related to a PDSCH repetition number based on the second information, and repeatedly receiving, from the base station, the PDSCH based on the DCI, wherein when the control region is configured with a specific number of symbols, a transmission time unit related to the control region is not included in transmission time units for a PDSCH repetition reception.

Abstract: The present invention relates to a method, performed by a terminal supporting bundling of a plurality of transmission time intervals (TTIs), for transmitting vehicle-to-X (V2X) data in a wireless communication system, the method comprising: transmitting scheduling information related to transmission of the V2X data; and transmitting the V2X data through bundling of the plurality of the TTIs, wherein, when there is a change in the plurality of bundled TTIs, the terminal transmits the scheduling information which further includes information related to the change.