Abstract: A method by which a first user terminal transmits a signal in a wireless communication system is disclosed. The method can comprise: monitoring a message related to the mobility of one or more user terminals; transmitting, to a second user terminal selected from among the one or more user terminals, a message for requesting to join a cluster to which the first user terminal belongs; receiving, from the second user terminal, a message for acknowledging joining of the cluster; and transmitting a message related to the mobility of the cluster. In addition, the second user terminal can be selected on the basis of comparison between the mobility of the cluster and the mobility of the second user terminal.

Abstract: Disclosed in one embodiment is a method for performing an operation for a first road side unit (RSU) in a wireless communication system, comprising the steps of: transmitting a first message to a second RSU; and receiving a second message from the second RSU, wherein the first message includes position information and a first position list of the first RSU, the second message includes position information and a second position list of the second RSU, and the first position list is updated with the position information and the second position list of the second RSU.

Abstract: A method for transmitting, by a user equipment, a message for a vulnerable road user (VRU) in a wireless communication system is disclosed. The method may comprise: receiving a first message including an expected time to pass (TTP) of a vehicle regarding a predetermined location on an expected route of the VRU; on the basis of i) the first message and ii) the TTP of the VRU regarding the predetermined location, generating a virtual VRU at the predetermined location; and transmitting a second message including the virtual VRU.

Abstract: Presented in the present disclosure is a method by which a driver situation monitoring device or adjacent vehicles detect the situation of a driver and/or a vehicle in which an abnormality occurs while driving, and provide, through a V2X communication device, the information to the vehicle in which the abnormality has occurred and adjacent vehicles, networks or related organizations, and thus accidents can be prevented or a vehicle in which an abnormality occurs can be controlled.

Abstract: Proposed is a method for providing a safety service by a first terminal in a wireless communication system. The method may comprise: transmitting a first message related to the location of the first terminal to a second terminal; receiving a second message related to the location of the second terminal from the second terminal; determining a geographic area configured by the first terminal and the second terminal, by using the first message and the second message; and transmitting, to the second terminal or an adjacent vehicle, a third message for providing a safety service in the determined geographic area.

Abstract: Proposed is a method for communicating, by a vehicle, with a user terminal in a wireless communication system. The method may comprise: detecting an event which has occurred to a user of the user terminal; and transmitting a message for requesting assistance associated with the safety of the user. In addition, the message for requesting the assistance may include information regarding the event which has occurred to the user and information regarding a duration time of the assistance.

Abstract: Provided is a method for providing a safety service in a wireless communication system via a host vehicle. The method may include: detecting an object outside the host vehicle through an object detection device; transmitting a first message providing notification of the detection of the object through a transmitter and a receiver; and outputting an image, for providing the object with the safety service, through an image output device to a prescribed area outside the host vehicle.

Abstract: Provided are an operation method in accordance with uplink semi-persistent scheduling (SPS) of a terminal in a wireless communication system and a terminal using the method. The method is characterized by: receiving, from a base station, downlink control information (DCI) for indicating activation or release of uplink SPS; and decoding the DCI on the basis of a first radio network temporary identifier (RNTI) or a second RNTI. If the DCI is a first DCI for SPS for transmitting a signal to the base station, the DCI is decoded on the basis of the first RNTI, and, if the DCI is a second DCI for SPS for transmitting a vehicle-to-everything (V2X) signal, the DCI is decoded on the basis of the second RNTI. And the first RNTI and second RNTI are RNTIs that are different from each other.

Abstract: Presented is a method in which adjacent vehicles sense, while driving, the state of a vehicle having an abnormality, so as to report same to an infrastructure/network, and, further, the infrastructure/network directly senses the abnormality so that the vehicle with the abnormality can be controlled.

Abstract: Disclosed is a method for a vehicle to communicate with a network in a wireless communication system. The method may comprise: receiving a message related to a parking lot from the network; transmitting, to the network, a message for requesting a reservation for a specific parking space from among at least one parking space in the parking lot; and receiving a message including the spatial coordinates of the specific parking space. In particular, the message for reservation includes type information of the vehicle, and the spatial coordinates of the specific parking space may be dynamically determined on the basis of the type information of the vehicle and type information of the at least one parking space.

Abstract: One embodiment is a method for performing an operation for a terminal in a wireless communication system, the method including: a step for transmitting a first message to one or more road side units (RSUs); and a step for transmitting a second message to the one or more RSUs, wherein the first message includes location information about each of the one or more RSUs, the location information being acquired by recognizing unique information about each of the one or more RSUs, and the second message includes a location list obtained by collecting the location information about each of the one or more RSUs.

Abstract: A method by which a terminal receives a signal in a wireless communication system is disclosed. The method can comprise: receiving first information about a parking space from the infrastructure of a parking lot; generating second information for parking in the parking lot, on the basis of the first information; and transmitting the second information to a vehicle having established a communication link with the terminal. In addition, the first information can include spatial coordinates and a virtual parking line of the parking space.

Abstract: According to an aspect of the present disclosure, a method for transmitting, by a road side unit (RSU), a signal in a wireless communication system comprises: receiving, from another RSU, an infrastructure-to-infrastructure (I2I) signal for pairing; on the basis of the I2I signal for pairing, performing pairing with the other RSU; and on the basis of the pairing having failed, transmitting an infrastructure-to-vehicle (I2V) signal every preset period, wherein the I2I signal for pairing comprises information regarding a period change value associated with the preset period, and, on the basis of the pairing having succeeded, the I2V signal is transmitted every period into which the preset period has been changed on the basis of the period change value.

Abstract: Provided are a method for transmitting downlink control information for sidelink scheduling in a wireless communication system and a wireless apparatus using the method. The method is characterized by: generating sidelink SPS activation/release DCI for indicating sidelink semi-persistent scheduling (SPS) activation or release; and transmitting the sidelink SPS activation/release DCI to a terminal, wherein the sidelink SPS activation/release DCI further comprises a sidelink SPS activation/release field and a sidelink SPS configuration index field not present in sidelink dynamic DCI which is for dynamically scheduling the sidelink.

Abstract: The present disclosure provides a method for transmitting and receiving a sidelink synchronization signal (SLSS) in a wireless communication system. In detail, the method performed by a first terminal includes receiving configuration information related to the SLSS; receiving the SLSS from a second terminal; determining whether the received SLSS is an SLSS related to sidelink communication or an SLSS related to sidelink discovery based on the received configuration information; and transmitting the received SLSS when the received SLSS is the SLSS related to sidelink discovery. Through this, the method proposed in the present disclosure has the effect of reducing unnecessary battery consumption of the first terminal and minimizing interference in the terminals of the neighboring cell.

Abstract: A method of transmitting, by a user equipment (UE), uplink control information (UCI) in a wireless communication system includes receiving, from a base station (BS), physical uplink control channel (PUCCH) resource information for the UCI. Further, the UCI is hybrid automatic repeat request (HARQ) feedback information of multiple downlink cells. The method also includes transmitting, to the BS, the UCI on a PUCCH resource. In addition, the PUCCH resource is mapped to multiple resource block (RB) pairs, the multiple RB pairs include RBs included in a first slot and RBs included in a second slot, the RBs included in the first slot are consecutive RBs to each other, and the RBs included in the second slot are consecutive RBs to each other.

Abstract: A user equipment (UE) receives, from a network, a semi-persistent scheduling (SPS) configuration and a physical uplink control channel (PUCCH) resource configuration. The PUCCH resource configuration may be included in the SPS configuration. When a change of an SPS operation is required, the user equipment transmits an SPS change request to the network and receives, from the network, an SPS resource grant activated according to the SPS change request. The user equipment changes allocation of a PUCCH resource allocated according to the PUCCH resource configuration, on the basis of the received SPS resource grant. For example, a timing at which or a period in which the PUCCH resource is allocated can be changed.

Abstract: Disclosed are a method and a device for performing sidelink communication in a wireless communication system. Specifically, the method performed by a terminal may comprise the steps of: receiving information on a resource pool related to narrowband sidelink communication from a base station, wherein the information includes information on at least one of a resource pool index and/or an initial allocation timing of the resource pool; and performing the narrowband sidelink communication through at least one resource pool determined on the basis of the information and a specific hopping pattern on a frequency domain, wherein the specific hopping pattern is determined on the basis of a hopping pattern set for another narrowband-based communication of the terminal.

Abstract: A user equipment (UE) receives, from a network, a semi-persistent scheduling (SPS) configuration and a physical uplink control channel (PUCCH) resource configuration. The PUCCH resource configuration may be included in the SPS configuration. When a change of an SPS operation is required, the user equipment transmits an SPS change request to the network and receives, from the network, an SPS resource grant activated according to the SPS change request. The user equipment changes allocation of a PUCCH resource allocated according to the PUCCH resource configuration, on the basis of the received SPS resource grant. For example, a timing at which or a period in which the PUCCH resource is allocated can be changed.

Abstract: The present invention relates to a resource allocation method of a vehicle-to-everything (V2X) transmission terminal in a wireless communication system and an apparatus therefor. More specifically, the method comprises the steps of: transmitting, to a V2X receiving terminal, a first V2X signal for a V2X service; receiving, from the V2X receiving terminal, an acknowledgment/negative-acknowledgment (ACK/NACK) for a V2X signal; and, if the NACK is received from the V2X receiving terminal, allocating, for a second V2X signal, a second time-frequency resource reserved in association with a first time-frequency resource for the first V2X signal.