Abstract: Various aspects of the present disclosure relate to methods, apparatuses, and systems that support angle-based positioning. For instance, an angular search window and associated uncertainty for positioning (e.g., sidelink positioning) can be determined based on an approximate position and/or range of a target-UE. Further, reporting of per path measurements is provided to in multipath environments. Implementations are also provided for triggering, configuring, and reporting angle information including angle of arrival (AoA) and/or angle of departure (AoD) (e.g., sidelink AoA and/or sidelink AoD) in terms of a Global Coordinate System (GCS) and a Local Coordinate System (LCS).

Abstract: Various aspects of the present disclosure relate to unlicensed sidelink positioning reference signal transmission and resource allocation. An apparatus, such as a UE or other communication device, receives a resource allocation configuration to perform sidelink positioning reference signal (SL-PRS) transmission over unlicensed carriers. The resource allocation configuration can include at least resource block (RB) sets, subchannel sizes, subchannel numbers, and comb-sizes of multiple SL-PRSs. The UE transmits at least one SL-PRS over an unlicensed carrier based at least in part on the resource allocation configuration.

Abstract: A WUS monitoring configuration can be received (1210) from a network. A DRX mode configuration comprising at least an active period can be received (1220). At least one CSI reporting configuration can be received (1230). The at least one CSI reporting configuration can configure transmission occasions for transmission of at least one CSI report to the network outside the active period. A time offset configuration for CSI transmission outside the active period can be received (1240). A CSI report can be transmitted (1250) on a transmission occasion of the configured transmission occasions. The transmission occasion can be within the configured time offset from a WUS monitoring occasion. The WUS monitoring occasion can be outside the active period.

Abstract: Apparatuses, methods, and systems are disclosed for RAT-independent positioning in sidelink. An apparatus (1500) includes a memory and a processor (1505) coupled to the memory (1510). The processor (1505) transmits, to at least one other device via an SL connection, a RAT-independent positioning information configuration and a RAT-independent reporting configuration. The processor (1505) receives a RAT-independent measurement and location report in response to the RAT-independent positioning information and reporting configuration. The processor (1505) detects an error related to a SL positioning assistance data configuration, measurement, and information report. The processor (1505) transmits an indication of the error and a request for supported RAT-independent positioning capabilities of the at least one other device. The processor (1505) receives a response comprising the supported RAT-independent positioning capabilities of the at least one other device.

Abstract: Various aspects of the present disclosure relate to active radio notification for paging. An apparatus, such as a user equipment (UE), transmits a first signaling indicating a radio selected from a set of radios at the UE. The radios may include a main radio and a low-power wake-up radio. The UE may use the radios for receiving a paging indication from a network equipment (NE). The UE may monitor, in response to the first signaling, for a second signaling indicating whether the first signaling is successfully transmitted. For example, the UE may receive a message from the NE that indicates the NE successfully received the radio indication.

Abstract: Various aspects of the present disclosure relate to paging for low-power wake up for a user equipment. An apparatus, such as a UE, receives a first configuration for calculating one or more low-power radio monitoring occasions and a second configuration for calculating one or more main radio monitoring occasions. The UE can control a low-power radio and a main radio based at least in part on the first configuration and the second configuration.

Abstract: Various aspects of the present disclosure relate to extended reality (XR) in wireless communications. For instance, a user equipment (UE) can identify protocol date unit (PDU) sets and associated a PDU set importance (PSI) levels for a tethered XR device (e.g., XR glasses) to assist the UE in quality of service (QoS) fulfillment for XR communications in the uplink. Further, a Layer 2 protocol layer is introduced which can signal PDU set related information via a tethering link from an XR device to a UE. Furthermore, XR related assistance information can be provided via control plane signaling over a sidelink interface to the UE.

Abstract: Various aspects of the present disclosure relate to generating a hybrid automatic repeat request (HARQ) feedback based on a data transmission received from a sidelink (SL) transmitter UE (UE-t) and performing a Clear Channel Assessment (CCA). Aspects of the present disclosure may further relate to incrementing a counter based on a negative CCA result and transmitting a message to the SL UE-t based at least in part on the counter reaching a predefined value, the message comprising CCA failure information for a Resource Block (RB) set.

Abstract: Apparatuses, methods, and systems are disclosed for transmitting SL CSI using an uplink channel. One apparatus includes a transceiver that receives a first SL-CSI value from a RX UE via one of a plurality of unicast links. The apparatus includes a processor that generates a SL-CSI report comprising the first SL-CSI value, wherein the first SL-CSI value is tagged with an identifier that identifies the RX UE. The processor controls the transceiver to transmit the SL-CSI report using an uplink channel.

Abstract: Various aspects of the present disclosure relate to techniques for LCH restriction considering LBT for SL. An apparatus includes at least one memory and at least one processor. The at least one processor obtains an SL grant for a new transmission, wherein the SL grant is associated with a destination and is comprised of SL resources for an RB set. In response to determining that a predefined condition was reported for the RB set, the at least one processor considers LCHs that are configured with a first HARQ mode during an LCP procedure performed for the SL grant. In response to determining that the predefined condition was not reported for the RB set, the at least one processor considers LCHs that are configured with a first HARQ mode, a second HARQ mode, or a combination thereof, during an LCP procedure performed for the SL grant.

Abstract: Various aspects of the present disclosure relate to techniques for listen before talk failure recovery for sidelink. An apparatus includes at least one memory and at least one processor coupled with the at least one memory. The at least one processor is configured to cause the apparatus to detect a consistent LBT failure on a set of resource blocks RBs, perform at least one LBT on the set of RBs, wherein the LBT is performed based on a reference sidelink SL format, increment a counter in response to determining a success for one of the at least one LBT, wherein the counter is associated with the set of RBs, and, in response to determining that the counter satisfies a predefined threshold, cancel the consistent LBT failure.

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 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 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 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.