Abstract: Apparatuses, methods, and systems are disclosed for determining a feedback resource associated with groupcast data. One method includes receiving a configuration associated with a resource pool for PSFCH. The method includes receiving groupcast data via sidelink and determining HARQ feedback based at least in part on the received groupcast data. The method includes determining a PSFCH resource for the HARQ feedback based at least in part on the resource pool for the PSFCH and transmitting the HARQ feedback using the determined PSFCH resource.

Abstract: Apparatuses, methods, and systems are disclosed for performing channel occupancy time sensing. One method includes receiving information configuring a single channel occupancy time for multi-beam transmission in an unlicensed channel. The method includes performing sensing for the single channel occupancy time. The sensing includes: omni-directional sensing at a beginning of the single channel occupancy time; directional sensing on a plurality of beams at the beginning of the single channel occupancy time; directional sensing on the plurality of beams in a time domain multiplexing manner before each transmission based on a time gap between transmissions; or some combination thereof.

Abstract: Apparatuses, methods, and systems are disclosed for relaying data volume information. One method (900) includes determining (902), at a medium access control entity of a transmitting user equipment, data volume information. The data volume information includes an identifier indicating a sidelink destination and a buffer status field indicating an amount of data available for transmission to a destination. The method (900) includes transmitting (904) the data volume information to a relay user equipment.

Abstract: Apparatuses, methods, and systems are disclosed for reporting sensing beams and association with transmission beams for LBT. An apparatus (300) includes a processor (305) and a memory (310) coupled with the processor (305). The processor (305) is configured to report at least one UL transmission beam and at least one sensing beam that can be used to perform LBT prior to transmitting on the at least one UL transmission beam. The processor (305) is configured to indicate a relationship between the at least one UL transmission beam and the at least one sensing beam via TCI, SRI, beam corresponding, or some combination thereof. The processor (305) is configured to indicate a UL transmission beam via TCI, SRI, beam correspondence, or some combination thereof and determine a corresponding at least one sensing beam to perform LBT.

Abstract: Apparatuses, methods, and systems are disclosed for inter-UE coordination (“IUC”) scheme restriction during congestion. An apparatus (700) includes a memory (710) and a processor (705) coupled to the memory (710). The processor (705) is configured to cause the apparatus (700) to identify a configuration comprising a lookup table defining a restriction of one or more inter-CE coordination schemes between the apparatus (700) and a second apparatus (700) and transmit an inter-UE coordination report to the second apparatus (700) according to the identified configuration and based at least in part on a request for the inter-UE coordination report from the second apparatus (700) or a condition.

Abstract: Apparatuses, methods, and systems are disclosed for LCP procedure considering IUC schemes. An apparatus (600) includes a memory (610) and a processor (605) coupled to the memory (610). The processor (605) is configured to cause the apparatus (600) to determine a latency bound for transmission of a SL inter-UE coordination report via a MAC CE, maintain a report timer for transmitting the inter-UE coordination report via the MAC CE according to the determined latency bound, and transmit the inter-UE coordination information via the MAC CE based on the report timer.

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 SL cooperative positioning in NLOS scenario. An apparatus (1200) includes a memory (1210) and a processor (1205) coupled to the memory. The processor (1205) is configured to cause the apparatus (1200) to transmit a cooperative positioning request message to at least one reference device comprising a ranging or relative positioning request between the apparatus and a target device. The processor (1205) is configured to cause the apparatus (1200) to receive at least one positioning quantity from the at least one reference device. The processor (1205) is configured to cause the apparatus (1200) to determine ranging or relative position between the at least one reference device and the target device based on the received at least one positioning quantity.

Abstract: Apparatuses, methods, and systems are disclosed for resource selection considering sidelink DRX. An apparatus (800) includes a memory (810) and a processor (805) coupled to the memory (810). The processor (805) is configured to cause the apparatus (800) to determine an event triggering a resource reselection to perform candidate resource selection from 5 a resource pool according to a DRX timer. The processor (805) is configured to cause the apparatus (800) to select, in response to the event triggering the resource reselection, a first candidate resource from the resource pool during an active duration of the apparatus associated with the DRX timer and a second candidate resource from the resource pool during an inactive duration of the apparatus associated with the DRX timer. The processor (805) is configured to 0 cause the apparatus (800) to transmit a report indicating the first candidate resource and the second candidate resource.

Abstract: Apparatuses, methods, and systems are disclosed for configuring a device based on multiple search space sets. One method includes receiving, at a user equipment (“UE”), a configuration from a network for UE-specific search space (“USS”) sets and common search space (“CSS”) sets. The method includes receiving control information associated with the CSS sets in the USS sets in response to the CSS sets being configured outside of monitoring occasions of the UE and the USS sets are configured within physical downlink control channel (“PDCCH”) monitoring occasions of the UE.

Abstract: Apparatuses, methods, and systems are disclosed for transmission mode switching. One embodiment of a method (500) includes initiating (502) a counter corresponding to a LBT related event based on an LBT condition. The method (500) also includes performing (504) a predefined number of LBT based uplink transmissions. The method (500) also includes switching (508) to no-LBT based uplink transmissions based on the counter having a value greater than a threshold greater than a threshold value after the predefined number of LBT based uplink transmissions are performed.

Abstract: Apparatuses, methods, and systems are disclosed for UL beam/panel selection indication. One apparatus includes a transceiver comprising a plurality of UE panels associated with one or more beams, the transceiver receiving a plurality of SSBs on at least two UE panels. The apparatus includes a processor that determines a corresponding set of UE panels from the SSBs and sends, via the transceiver, an indication of the corresponding set of UE panels from the apparatus to a RAN node using a random-access procedure.

Abstract: Apparatuses, methods, and systems are disclosed for contention window size adjustment procedure for sidelink groupcast. An apparatus (500) includes a processor (505) and memory (510). The processor (505) is configured to transmit physical shared control channel (“PSCCH”) and physical shared sidelink channel (“PSSCH”) corresponding to groupcast data transmission. The processor (505) is configured to receive physical shared feedback channel (“PSFCH”) containing hybrid automatic repeat request (“HARQ”) feedback after a predetermined number of slots for a corresponding groupcast transmission. The processor (505) is configured to determine a contention window size adjustment for a groupcast PSSCH based on the transmitted groupcast HARQ feedback associated with PSSCH within a reference duration.

Abstract: Apparatuses, methods, and systems are disclosed for feedback request determination. One method (1100) includes determining (1102), at a first sidelink device, whether to request feedback corresponding to communications with a second sidelink device. The method (1100) includes, in response to determining to request feedback corresponding to the communications with the second sidelink device, transmitting (1104) first information to the second sidelink device indicating a request for feedback. The method (1100) includes transmitting (1106) second information to the second sidelink device indicating resources for communicating the feedback.

Abstract: Apparatuses, methods, and systems are disclosed for determining a resource based on a resource assignment. One method includes receiving, at a UE, a first DL transmission in a first resource. The method includes, in response to receiving the first DL transmission, determining: a second resource based on a first DCI that assigns resources for the first DL transmission; a cut-off time, wherein a set of DL transmissions determined prior to the cut-off time and after the first DL transmission are considered elements of a set of potential subsequent DL occasions; and a third resource for transmitting an acknowledgment corresponding to the first DL transmission based on the second resource and the set of potential subsequent DL occasions. The method includes transmitting the acknowledgment in the third resource.

Abstract: Apparatuses, methods, and systems are disclosed for positioning configuration and assistance data enhancements over unlicensed bands. An apparatus (700) includes a transceiver (725) and a processor (705) coupled to the transceiver (725). The processor (705) is configured to cause the apparatus (700) to perform positioning procedures over an unlicensed band based on a configured channel access priority class (“CAPC”) for positioning, the CAPC corresponding to different positioning service levels: receive a predetermined window size of a measurement window for positioning reference signal reception, a burst configuration, and a listen-before-talk (“LBT”) occasion within the window from the location server based on an available reception opportunity to be measured and processed over the unlicensed band; and perform positioning reference signal (“PRS”) measurement based on the measurement window, the burst configuration, and the LBT occasion.

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 transmissions without corresponding grants. One method includes receiving a DL transmission in an SPS resource of a plurality of SPS resources within an SPS period corresponding to an SPS configuration of a plurality of SPS configurations; generating a HARQ feedback corresponding to the received DL transmission; determining an SPS reference corresponding to the DL transmission; and transmitting the HARQ feedback in an UL resource corresponding to the determined SPS reference, where the SPS reference includes a reference SPS configuration of the plurality of SPS configurations, a reference SPS resource (different than the SPS resource). of the plurality of SPS resources, or a combination thereof.

Abstract: Apparatuses, methods, and systems are disclosed for a power spectrum density based configuration. One method includes transmitting, from a user equipment, UCI bits via a PUCCH in a shared spectrum using multiple PRBs. The method includes receiving a configuration message including a number of resource blocks for a PUCCH format 0, a PUCCH format 1, or a PUCCH format 4 depending on a SCS. The configuration message indicates at least one technique that satisfies a PUCCH PSD requirement, and the PUCCH PSD requirement includes a larger sequence length generation, mapping information that maps time and frequency domain resources for larger sequence to multiple RBs or a repetition of sequences to multiple RBs, and/or information corresponding to subcarrier interlacing.

Abstract: Apparatuses, methods, and systems are disclosed for MAC TB formation and MCR selection. One apparatus includes at least one processor coupled with at least one memory and configured to cause the apparatus to detect a time-domain collision between a SL transmission and an UL transmission, where the apparatus does not support simultaneous transmission on both SL and UL. The at least one processor is configured to cause the apparatus to identify a QoS priority of the SL transmission and a QoS priority of the UL transmission. The at least one processor is configured to cause the apparatus to prioritize the SL transmission over the UL transmission based on the QoS priority of the SL transmission being less than a SL priority threshold and the QoS priority of the UL transmission not being less than a UL priority threshold.