Abstract: Apparatuses, methods, and systems are disclosed for requesting a sidelink positioning reference signal resource. One method includes transmitting a request for at least one resource for a sidelink positioning reference signal. The method includes receiving a response to the request for the at least one resource for the sidelink positioning reference signal. The method includes transmitting a sidelink positioning reference signal in the at least one resource. The method includes transmitting a report containing estimated positioning information.

Abstract: Apparatuses, methods, and systems are disclosed for combined blind and feedback based retransmissions. One method (500) includes determining (502), for a first logical channel, a number of blind retransmissions to perform in a blind retransmission mode. The method (500) includes performing (504), by the first logical channel, the number of blind retransmissions in the blind retransmission mode. The method (500) includes, in response to performing the number of blind retransmission in the blind retransmission mode, switching (506), for the first logical channel, from the blind retransmission mode to a feedback based retransmission mode. The method (500) includes performing (508), by the first logical channel, one or more feedback based retransmissions in the feedback based retransmission mode.

Abstract: Apparatuses, methods, and systems are disclosed for directional transmission/reception of groupcast and unicast communication. One apparatus includes a memory comprising instructions executable by a processor to cause the apparatus to receive a sidelink (“SL”) configuration for SL communication, the SL configuration indicating a SL grant and a physical uplink control channel (“PUCCH”) resource for hybrid automatic repeat request (“HARQ”) feedback. The instructions are executable by the processor to cause the apparatus to transmit a positive acknowledgement on the PUCCH resource based at least in part on the HARQ feedback being disabled.

Abstract: Apparatuses, methods, and systems are disclosed for reporting positioning measurements. One method includes receiving positioning measurement configuration information including: a list of candidate beams, wherein each candidate beam of the list of candidate beams is associated with a positioning reference signal; a priority indicator; a temporal switching criteria; and/or a reporting criteria for positioning. The reporting criteria includes a positioning reference signal received power, a non-line-of-sight measurement indicator, a line-of-sight measurement indicator, and/or a reporting priority for each candidate beam of the list of candidate beams. The method includes measuring a positioning reference signal associated with each candidate beam of the list of candidate beams based on an associated positioning reference signal configuration. The method includes reporting positioning measurements based on the reporting criteria for at least one candidate beam of the list of candidate beams.

Abstract: Apparatuses, methods, and systems are disclosed for codebook configuration for HARQ reporting. One method includes receiving a plurality of codebook configurations, wherein each codebook configuration of the plurality of codebook configurations comprises information indicating a subset of a total hybrid automatic repeat request process for a hybrid automatic repeat request report. The method includes autonomously selecting a codebook configuration of the plurality of codebook configurations. The method includes transmitting information indicating the selected codebook configuration in configured grant uplink control information, a physical uplink shared channel transmission, or a combination thereof. The method includes generating the hybrid automatic repeat request report for the subset of the total hybrid automatic repeat request process according to the selected codebook configuration.

Abstract: Apparatuses, methods, and systems are disclosed for sidelink resource pool configuration. One method includes receiving configuration information including a configuration for a sidelink resource pool for a positioning reference signal. The sidelink resource pool includes: a common resource pool for data and a sidelink positioning reference signal; or a resource pool for only the sidelink positioning reference signal. The method includes transmitting sidelink assistance data to a user equipment for sidelink positioning reference signal transmission. The sidelink assistance data corresponds to the configuration for the sidelink resource pool. The method includes receiving a sidelink positioning report from the user equipment.

Abstract: Apparatuses, methods, and systems are disclosed for transmitting sidelink control information indicating no sidelink data. One method includes determining, at a user equipment, that there is no sidelink data available for a destination. The method includes transmitting sidelink control information to the destination that indicates that there is no sidelink data available for the destination and triggers a feedback response from the destination. The method includes receiving the feedback response from the destination.

Abstract: Apparatuses, methods, and systems are disclosed for transmitting sidelink control information indicating no sidelink data. One method (400) includes determining (402), at a user equipment, that there is no sidelink data available for a destination. The method (400) includes transmitting (404) sidelink control information to the destination that indicates that there is no sidelink data available for the destination and triggers a channel state information feedback response from the destination. The method (400) includes monitoring (406) for reception of the channel state information feedback response from the destination.

Abstract: Apparatuses, methods, and systems are disclosed for selection of a scheduling user equipment. One embodiment of a computer-readable storage device storing machine readable code, when executed by a processor, cause the processor to receive first information from a plurality of user equipments, wherein the first information indicates at least one sidelink user equipment in communication with each user equipment of the plurality of user equipments. In some embodiments, the code further causes the processor to select a scheduling user equipment from the plurality of user equipments based on a quality of a first connection interface and a second connection interface of each user equipment of the plurality of user equipments indicated in the first information. In some embodiments, the code further causes the processor to transition to a fallback mode in response to mode 2d resource allocation being unavailable and occurrence of a radio link failure or a handover.

Abstract: Apparatuses, methods, and systems are disclosed for configuration corresponding to a reconfigurable intelligent surface controller. One method includes providing a capability report to a location management function. The capability report corresponds to reconfigurable intelligent surfaces used for positioning. The method includes transmitting control information to a reconfigurable intelligent surface controller for reflecting a positioning reference signal received from a transmitting device and directed to a receiving device. The method includes transmitting a multi-port positioning reference signal configuration to the receiving device. The method includes transmitting, to the receiving device, information indicating to report measurements corresponding to multi-port positioning reference signals reflected from multiple reconfigurable intelligent surfaces.

Abstract: Apparatuses, methods, and systems are disclosed for triggering a report of a set of resources. One method includes receiving at a second user equipment, trigger information from a first user equipment. The trigger information indicates a request for a set of resource from the second user equipment. The method includes determining, by the second user equipment, the set of resources based on the trigger information from the first user equipment. The set of resources includes preferred resources, non-preferred resources, expected resources, potential resources, and/or detected resources. The method includes transmitting from the second user equipment, a report including the set of resource using a physical layer channel or a first medium access control control element. The first user equipment uses the set of resources to determine resource reselection.

Abstract: Apparatuses, methods, and systems are disclosed for receiving Positioning Reference Signals (“PRS”) and generating a positioning measurement report. One apparatus (800) includes a processor (805) and a transceiver (825) that receives a plurality of PRS transmission from at least one base unit, each PRS being transmitted using a specific transmit beam. The processor (805) generates single positioning measurement report that combines measurement instances for the received plurality of PRS. Via the transceiver (825), the processor (805) transmits the single positioning measurement report to a location management function (“LMF”) for UE-assisted positioning.

Abstract: Apparatuses, methods, and systems are disclosed for positioning reference signal resource configuration. One method includes receiving, at a location server, a positioning reference signal resource configuration from at least one base station. The method includes determining positioning assistance data based on the positioning reference signal resource configuration. The positioning assistance data includes the positioning reference signal resource configuration for performing measurements and/or performing computation of a location estimate. The method includes transmitting the positioning assistance data to a user equipment or to a target device to enable the user equipment or the target device to perform the measurements and/or perform the computation of the location estimate.

Abstract: Apparatuses, methods, and systems are disclosed for transmitting data corresponding to a relay UE. One method includes transmitting data and first information indicating relay information corresponding to retransmission of the data by a relay UE to at least one UE. The first information comprises a relay identifier, an indication that retransmission of the data is based on feedback received by the relay UE, an indication that retransmission of the data is based on a multi-hop count, an indication for the relay UE to transfer the data from a receiver buffer to a transmit buffer and to retransmit the data from the transmit buffer, an indication for the relay UE to retransmit the data to an indicated destination node, or some combination thereof. The method includes transmitting second information indicating a remaining packet delay budget to the at least one UE.

Abstract: Apparatuses, methods, and systems are disclosed for consecutive data packet feedback. One method includes receiving a first set of consecutive data packets. The method includes transmitting feedback corresponding to the first set of consecutive data packets, wherein the feedback comprises: an error indication in response each data packet in the first set of consecutive data packets failing to be received correctly; a non-error indication in response to at least one data packet in the first set of consecutive data packets being received correctly; a counter value that indicates a consecutive number of data packet failures; or some combination thereof.

Abstract: Apparatuses, methods, and systems are disclosed for beam switching after Listen-Before-Talk (“LBT”) procedure. One apparatus includes a processor and a transceiver that is operable on unlicensed spectrum, wherein the transceiver supports a plurality of device panels. The processor performs a first LBT procedure using omni-directional sensing to acquire a first Channel Occupancy Time (“COT”) and performs a first uplink transmission of a first transport block (“TB”) during the first COT and using a first device panel in response to successful LBT. Here, the first uplink transmission uses a first portion of the first COT. The processor performs a directional LBT procedure for a second device panel to acquire a remaining portion of the first COT.

Abstract: Apparatuses, methods, and systems are disclosed for directional LBT procedure for DRS transmission. One apparatus (800) includes a processor (805) and a transceiver (825) that is operable on unlicensed spectrum. The processor (805) indicates (905) block locations within a Discovery Reference Signal (“DRS”) transmission window for a plurality of candidate 5 Synchronization Signal/Physical Broadcast Channel (“SS/PBCH”) blocks. The processor (805) performs (910) a Listen-Before-Talk (“LBT”) procedure for a plurality of DRS transmissions within a DRS transmission window and controls the transceiver (825) to transmit (915) — for a given spatial direction — a SS/PBCH block upon successful LBT for the given spatial direction.

Abstract: Apparatuses, methods, and systems are disclosed for interlacing sidelink resources. One apparatus includes a transceiver and a processor that receives a resource pool configuration that indicates a subchannel size and resource pool time-frequency configuration for an unlicensed sidelink carrier and receives a corresponding interlacing configuration that indicates: the number of frequency resources per interlace based on the subchannel size, the spacing between the interlace based on the subchannel size, the minimum amount of resource to be used for transmission in a resource pool, and the type of interlacing to be performed. The transceiver transmits a sidelink channel according to the interlacing configuration within the unlicensed sidelink carrier.

Abstract: Apparatuses, methods, and systems are disclosed for using a stop indication for physical uplink shared channel transmission. One method (500) includes transmitting (502) a physical uplink shared channel transmission in an autonomous uplink configured grant resource after performing a listen-before-talk procedure. In various embodiments, the method (500) includes receiving (504) a stop indication in response to transmitting the physical uplink shared channel transmission, wherein the stop indication indicates for a group of user equipments not to transmit in an overlapped configured grant resource for a period of time corresponding to a spatial filter.

Abstract: Apparatuses, methods, and systems are disclosed for extracting EtherCAT datagrams from an EtherCAT frame. One method includes receiving an EtherCAT frame. The method includes determining a first EtherCAT datagram in the EtherCAT frame for a first device and a second EtherCAT datagram in the EtherCAT frame for a second device. The method includes extracting the first EtherCAT datagram from the EtherCAT frame to result in an extracted first EtherCAT datagram and the second EtherCAT datagram from the EtherCAT frame to result in an extracted second EtherCAT datagram. The method includes transmitting the extracted first EtherCAT datagram directly to the first device. The method includes transmitting the extracted second EtherCAT datagram directly to the second device.