Abstract: A wireless device receives one or more radio resource control (RRC) messages comprising configuration parameters of uplink switching for a plurality of bands. The plurality of bands comprise a first band associated with a first priority, and a second band associated with a second priority. The wireless device determines, for an uplink switching between the first band and the second band, an uplink switching period location to be in the first band, based on the first priority being lower than the second priority. The wireless device transmits, based on the uplink switching period location, an uplink transmission via one of the first band and the second band.

Abstract: A wireless device may receive a message indicating a priority threshold. The wireless device may receive, from a first wireless device, sidelink control information indicating a first resource of a first sidelink transport block and a priority of the first sidelink transport block. The wireless device may determine a resource, for a sidelink transmission of the wireless device, overlaps with the first resource. The wireless device may release, based on the priority and the priority threshold, the resource for the sidelink transmission.

Abstract: A wireless device receives a first configuration message comprising a cell specific time division duplex (TDD) uplink (UL)-downlink (DL) pattern indicating a number of uplink slots. A size of a sidelink resource pool bitmap based on the number of the uplink slots is determined. The wireless device receives, based on the size of the sidelink resource pool bitmap, a second configuration message comprising a sidelink resource pool bitmap. One or more sidelink slots are determined by applying the sidelink resource pool bitmap to the uplink slots. The wireless device transmits one or more transport blocks via the one or more sidelink slots.

Abstract: According to an embodiment of the present disclosure, a method for performing wireless communication by a UE in a first cell is provided. The method may include: obtaining first N streams based on precoding of a transmit symbol vector obtained based on N data symbols, and transmitting the first N streams to an AP based on first M antennas, wherein the first N streams are received by the AP included in the first cell based on second M antennas, wherein the precoding is performed based on a cross-channel from the UE to a second cell which is different from the first cell, and wherein the N is equal to half of the M, and the M and the N are positive integers.

Abstract: A method of measuring a location of a first user equipment (UE) in a wireless communication system includes the first UE receiving predetermined information from a second UE and the first UE measuring the location of the first UE based on the predetermined information. The predetermined information includes information related to correction of a first reference signal timing difference (RSTD).

Abstract: A first base station communicates, with one or more wireless devices, packets via a first cell operating in an unlicensed spectrum. The first base station determines a channel occupancy ration (CR) of the first cell, wherein the CR is for a plurality of time intervals and indicates a ratio of utilization, for transmissions by the first cell, of unlicensed channel resources. The first base station transmits, to a second base station, the CR.

Abstract: A first wireless device receives, from a second wireless device, one or more configuration messages comprising a sidelink latency upper bound for sidelink channel state information (CSI) reporting. The first wireless device receives, from the second wireless device and during a time slot, a sidelink CSI reporting triggering indication via a physical sidelink shared channel. The first wireless device determines, based on receiving the sidelink CSI reporting triggering indication, one or more sidelink CSI reporting resources within a time period indicated by: the sidelink latency upper bound and starting from the time slot. The first wireless device transmits one or more sidelink CSIs on the one or more sidelink CSI reporting resources.

Abstract: A wireless device may receive from a base station one or more messages indicating a first downlink transmission power of reference signals. The wireless device may also measure a first reference signal received power value of the received reference signals in a measurement window. The wireless device also receives a command indicating a time period during which transmission of the reference signals are stopped. The wireless device may further transmit to the base station, after the time period during which transmission of the reference signals are stopped, uplink signals. The uplink transmission power of the uplink signals being determined by the wireless device based on received power of the first reference signal, and the first downlink transmission power.

Abstract: A wireless device receives one or more configuration parameters indicating: a sensing window of a sensing procedure. The wireless device selects, using the sensing window, a second candidate resource set from a first candidate resource set based on a comparison of a number of candidate resources in the first resource set to the threshold value. The wireless device transmits one or more sidelink transmissions via one or more resources of the second candidate resource set.

Abstract: A first wireless device may transmit to a second wireless device, sidelink discontinuous reception (SL DRX) configuration parameters of the second wireless device that indicate an active time of SL DRX for the second wireless device to monitor for sidelink control information (SCI). The first wireless device may further receive configuration parameters, from the second wireless device, that indicate a sidelink sensing window of a sidelink sensing operation of the second wireless device. The first wireless device may also determine one or more sidelink resources for a sidelink transmission of a SCI, that are: outside of the active time of the SL DRX and during the sidelink sensing window of the second wireless device. The wireless device may further transmit the SCI to the second wireless device via the determined one or more sidelink resources.

Abstract: The present invention provides a vehicle-to-X (V2X) operation method performed by a V2X terminal in a wireless communication system, the method comprising: selecting, in a selection period, a subframe excluding a subframe relating to a subframe in which transmission has been performed during a sensing period; and performing a V2X communication on the basis of the selected subframe.

Abstract: A wireless device may determine whether a sidelink transmission has higher priority than an uplink transmission. The determination may be based on comparing a priority value of the sidelink transmission to a first priority threshold for ultra reliable low latency (URLLC) uplink transmissions in response to the uplink transmission being URLLC, and the determination may be based on comparing the priority value of the sidelink transmission to a second priority threshold for non-URLLC uplink transmissions in response to the uplink transmission being non-URLLC. Based on the determining, the wireless device may transmit at least one of the sidelink transmission or the uplink transmission.

Abstract: One embodiment relates to a method for a first terminal to transmit a sidelink signal in a wireless communication system, the method comprising: a step in which the first terminal determines at least one from among transmission parameters, a CSI-RS transmission configuration, and a DMRS configuration; and a step in which the first terminal transmits the sidelink signal to a second terminal, on the basis of at least one from among the transmission parameters, CSI-RS transmission configuration, and DMRS configuration. The terminal determines, on the basis of establishment of a unicast connection with the second terminal, a first value corresponding to a relative difference from the second terminal by using information included in a message from the second terminal and sensor information, and determines at least one from among the transmission parameters, CSI-RS transmission configuration, and DMRS configuration on the basis of the first value.

Abstract: A method for a first wireless device receiving a reference signal for measuring a distance in a wireless communication system, according to one embodiment of the present invention, may comprise the steps of: receiving, from a second wireless device, a first reference signal comprising a first sinusoidal signal having a first angular frequency and a first initial phase value, and a second sinusoidal signal having a second angular frequency and a second initial phase value; acquiring the phase difference between the first sinusoidal signal and the second sinusoidal signal on the basis of a fast Fourier transform (FFT) performed on the first reference signal; correcting the phase difference on the basis of the first initial phase value and the second initial phase value; and transmitting, to the second wireless device, a second reference signal for measuring a distance, and a third reference signal representing information on the corrected phase difference.

Abstract: A wireless device receives configuration parameters comprising pathloss reference linking indicators for SRS resource sets of a first cell associated with one or more TRPs, wherein each SRS resource set of the SRS resource sets comprises SRS resources, and each SRS resource set is associated with a respective pathloss reference linking indicator of the pathloss reference linking indicators, indicating a cell index identifying a pathloss reference cell. The wireless device transmits, via SRS resources of a first SRS resource set of the SRS resource sets in the first cell, SRSs with a transmission power determined based on a first pathloss RS of a first pathloss reference cell, wherein the first pathloss reference cell is indicated by a first pathloss reference linking indicator, of the pathloss reference linking indicators, associated with the first SRS resource set.

Abstract: A wireless device determines, based on a reference value for estimating a quality of service (QOS) metric, a first transmit power value of a first signal. The wireless device determines, for over-the-air computation and based on data being available on the first wireless device, a second transmit power value of a second signal. The wireless device transmits, based on the first transmit power value, the first signal via a first shared resource, where one or more third signals transmitted by one or more second wireless devices are superposed over the air with the first signal in the first shared resource. The wireless device transmits, based on the second transmit power value, the second signal via a second shared resource, where one or more fourth signals transmitted by the one or more second wireless devices are superposed over the air in the second shared resource.

Abstract: A wireless device transmits one or more maximum numbers of multiple-input multiple-output (MIMO) layers for reception of a physical downlink shared channel (PDSCH), of a cell, scheduled by downlink control information (DCI) from each transmit/receive point (TRP) of a plurality of TRPs of the cell. The wireless device receives one or more parameters indicating a first number of MIMO layers, for a first TRP of the plurality of TRPs of the cell, wherein the first number of MIMO layers is equal to or less than a first maximum number of MIMO layers, of the one or more maximum numbers of MIMO layers, corresponding to the first TRP. The wireless device receives one or more transport blocks with a second number of MIMO layers, wherein the second number is equal to or less than the first number.

Abstract: A wireless device transmits a capability information message indicating a first switching period associated with a first band pair with a first band and a second band, and a second switching period associated with a second band pair with a third band and a fourth band. The wireless device receives configuration parameters of one or more cells indicating dual uplink for uplink switching is configured for at least two uplink carriers of the first band pair and the second band pair. A wireless device determines, based on the dual uplink, to transmit a first uplink transmission on the second band. The first band is switched to the second band on a first transmitter, and the third band and the fourth band on a second transmitter. The wireless device omits the first uplink transmission during a larger of the first switching period and the second switching period.

Abstract: Wireless resources may be determined for communications between wireless devices. A wireless device may select resources based on measuring one or more channels (e.g., associated with sidelink transmission, feedback transmission, etc.). Resource selection may comprise exclusion of certain resources being used for other communications and/or exclusion or selection of resources based on one or more priorities.

Abstract: A wireless device receives a sidelink control information (SCI) that may schedule a transport block and may also indicate a first repetition value. The wireless device may also receive a transport block via a physical sidelink shared channel (PSSCH). Based on a comparison of the first repetition value received via the SCI and a repetition threshold, the wireless device may determine to transmit an acknowledgment for the received transport block. The wireless device may then transmit the acknowledgment for the received transport block.