Abstract: The present disclosure relates to a method for performing positioning by a user equipment (UE) in a wireless communication system. Specifically, the method comprises the steps of: receiving a first segmented positioning message of a positioning message from a peer entity; storing the first segmented positioning message on the basis that the reception of the first segmented positioning message is valid; receiving a second segmented positioning message of the positioning message from the peer entity; and transmitting a positioning error message including information on the second segmented positioning message to the peer entity on the basis that the reception of the second segmented positioning message is invalid.

Abstract: The present disclosure relates to a method for performing positioning by a user equipment (UE) in a wireless communication system. Specifically, the method comprises the steps of: on the basis of receiving a first location request, exchanging at least one positioning parameter with a first peer entity; on the basis of the at least one positioning parameter, establishing a first positioning session related to the first location request; and on the basis that a second location request is received from a second peer entity and at least one positioning session reuse condition is satisfied, establishing a second positioning session related to the second location request on the basis of the at least one positioning parameter related to the first positioning session.

Abstract: The present disclosure relates to a method of transmitting a Scheduling Request (SR) based on a time Alignment Timer (TAT) by a user equipment (UE) in a wireless communication system. In particular, the method includes the steps of receiving information related to a time Alignment Timer (TAT) for a Timing Advance Group (TAG) to which a serving cell belongs; starting the TAT for the TAG; based on a data packet to be transmitted via the serving cell being received from an upper layer, determining a difference time between a time point of a first available SR resource in SR resource configuration for the TAG and an expected expiring time of the TAT; based on the difference time being greater than a threshold, transmitting a SR for the data packet on the first available SR resource to a network, wherein, based on the difference time being less than the threshold, a random access (RA) procedure is triggered.

Abstract: The present disclosure relates to a method performed by means of a packet data convergence protocol (PDCP) layer of a user equipment (UE) in a wireless communication system. Particularly, the method comprises the steps of: receiving a PDCP service data unit (SDU) from a higher layer; generating, on the basis that the type of the PDCP SDU is sidelink positioning protocol (SLPP) signaling, a PDCP data protocol data unit (PDU) including the PDCP SDU; and submitting the PDCP data PDU to a lower layer.

Abstract: The disclosure relates to a method of performing sidelink positioning by a user equipment (UE) in a radio resource control (RRC) INACTIVE state in a wireless communication system. Specifically, the method comprises configuring a timing advance (TA) for a positioning sounding reference signal (SRS) and starting a time alignment timer (TAT) for the positioning SRS, wherein the TA is considered valid while the TAT is running, transmitting the positioning SRS based on the TA being valid, measuring a reference signal received power (RSRP), and restarting the TAT, based on a difference between the measured RSRP and latest measured RSRP being less than a threshold.

Abstract: The present disclosure relates to a method by which a user equipment (UE) performs sidelink positioning in a wireless communication system. Specifically, the method comprises the steps of: receiving configuration information of a first positioning reference signal (PRS) and configuration information of a second PRS through LTE positioning protocol (LPP) signaling; receiving the first PRS from a base station through a downlink, on the basis of receiving a positioning request message; receiving the second PRS from an anchor UE, on the basis of a hybrid positioning procedure being triggered; and calculating position information of the UE on the basis of the first PRS and the second PRS.

Abstract: The present disclosure relates to a method for performing sidelink positioning by a user equipment (UE) in a wireless communication system. Specifically, the method comprises the steps of: triggering transmission of a sidelink positioning reference signal (PRS); generating a sidelink grant for transmission of the sidelink PRS on the basis of the transmission of the sidelink PRS being available; and transmitting the sidelink PRS on the basis of the generated sidelink grant.

Abstract: The present disclosure relates to a method for performing sidelink positioning by an anchor user equipment (UE) of a sidelink positioning procedure in a wireless communication system. Specifically, the method comprises the steps of: receiving movement information including a movement speed and a movement direction of a corresponding anchor UE from a plurality of anchor UEs; on the basis of the movement information, determining at least one participating UE to participate in a sidelink positioning procedure; and performing the sidelink positioning procedure with the at least one participating UE.

Abstract: The present disclosure relates to a method by which a user equipment (UE) performs sidelink positioning in a wireless communication system. Specifically, the method comprises the steps of: receiving a location request message; transmitting a request message for UE capability information to a plurality of anchor UEs; receiving the UE capability information from the plurality of anchor UEs; and on the basis of the UE capability information, establishing a plurality of sidelink positioning sessions associated with the location request message with the plurality of anchor UEs, wherein each of the plurality of sidelink positioning sessions is established with two or more anchor UEs.

Abstract: The present disclosure relates to a method of performing sidelink positioning by a user equipment (UE) in a wireless communication system. Specifically, the method comprises the steps of: receiving multiple data units from a higher layer; assigning one or more data units among the multiple data units to a sidelink grant on the basis of the priorities of the multiple data units; and transmitting the one or more data units on the basis of the sidelink grant, wherein, on the basis that at least one data unit among the multiple data units is associated with sidelink positioning, the priority of the at least one data unit is considered as a top priority independent of a predefined priority of the at least one data unit.

Abstract: The present disclosure relates to a method for a user equipment (UE) to perform sidelink positioning in a wireless communication system. Specifically, the method comprises the steps of: transmitting, to at least one candidate UE, a request message requesting UE capability information related to the selection of an anchor UE for sidelink positioning; and receiving the UE capability information from the at least one candidate UE, wherein the UE capability information includes information related to the location of the at least one candidate UE, and the anchor UE is determined from among the at least one candidate UE on the basis of the UE capability information.

Abstract: The present disclosure relates to a method by which an anchor user equipment (UE) in a sidelink positioning procedure performs sidelink positioning in a wireless communication system. Specifically, the method comprises the steps of: receiving, from a target UE, configuration information related to a timing error group (TEG) report; determining, on the basis of at least one pre-defined condition, whether to transmit the TEG report; and, if it is determined that the TEG report is to be transmitted, transmitting the TEG report to the target UE on the basis of the configuration information.

Abstract: The present disclosure relates to a method of managing a physical downlink control channel (PDCCH) skipping function with carrier aggregation (CA) in a wireless communication system. In particular, the method includes the steps of: transmitting a scheduling request (SR) via a first cell associated with a first logical channel, based on data belonging to the first logical channel becoming available; receiving a physical downlink control channel (PDCCH) skipping command; selecting at least one second cell for which a PDCCH skipping is ignored, based on the at least one second cell being a scheduling cell of the first cell; and monitoring a PDCCH for scheduling the first cell on the at least second one cell.

Abstract: The present disclosure relates to a method of transmitting a One-shot Hybrid Automatic Repeat and request (HARQ) feedback by a user equipment (UE) in a wireless communication system. In particular, the method includes the steps of: receiving a One-shot HARQ acknowledgement (ACK) request message related to a plurality of HARQ processes from a network; transmitting a One-shot HARQ-ACK related to the plurality of HARQ processes to the network, wherein at least one Round-Trip Time (RTT) timer related to at least one HARQ process, for which a corresponding RTT timer and a corresponding retransmission timer not being running, is started upon transmitting the One-shot HARQ-ACK; starting at least one retransmission timer based on the at least one RTT timer expiring; and monitoring at least one Physical Downlink Control Channel (PDCCH) for the at least one HARQ process during the at least one retransmission timer is running.

Abstract: The present invention relates to a method of transmitting a Scheduling Request (SR) based on a time Alignment Timer (TAT) by a user equipment (UE) in a wireless communication system. In particular, the method includes the steps of receiving information related to a time Alignment Timer (TAT) for a Timing Advance Group (TAG) to which a serving cell belongs; starting the TAT for the TAG; based on a data packet to be transmitted via the serving cell being received from an upper layer, determining a difference time between a time point of a first available SR resource in SR resource configuration for the TAG and an expected expiring time of the TAT; based on the difference time being greater than a threshold, transmitting a SR for the data packet on the first available SR resource to a network, wherein, based on the difference time being less than the threshold, a random access (RA) procedure is triggered.

Abstract: The present invention relates to a method for transmitting multiple data units by a user equipment (UE) in a wireless communication system. Especially, the method includes the steps of receiving information related to at least one configured grant, wherein each of the at least one configured grant comprises a plurality of configured grant occasions; selecting at least one configured grant occasion within a predetermined duration when the multiple data units to be transmitted becomes available, among the plurality of configured grant occasions belonging to the least one configured grant; and transmitting the multiple data units on the at least one configured grant occasion, wherein, based on a data unit among the multiple data units being transmitted firstly within the predetermined duration, information related to the at least one configured grant occasion to be used within the predetermined duration is transmitted.

Abstract: The present disclosure relates to a method of performing sidelink positioning for a User Equipment (UE) in a wireless communication system. In particular, the method includes the steps of: configuring at least one SLPP (Sidelink Positioning Protocol) session with at least one target UE; generating a SLPP message related to the at least one SLPP session; and transmitting the SLPP message to the at least one target UE, wherein the SLPP message includes at least one SLPP session identifier for identifying the at least one SLPP session and at least one SLPP transaction identifier for identifying the at least one SLPP transaction belonging to the at least one SLPP session.