Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first user equipment (UE) may receive, from a network node, an indication of first level shared information, that is shared between at least the first UE and a second UE, for deriving a security key from common sidelink information. The first UE may determine second level shared information, that is shared between the first UE and the second UE, for deriving the security key from the common sidelink information. The first UE may communicate with the second UE using the security key derived from the common sidelink information based at least in part on the first level shared information and the second level shared information. Numerous other aspects are described.

Abstract: Methods, systems, and devices for addressing timing advance (TA) in non-terrestrial network communication is disclosed herein. A wireless transmit and receive unit (WTRU) may receive system information from a base station attached to an airborne or spaceborne vehicle that indicates a physical random access channel (PRACH) resource. The WTRU may determine a timing offset based on a plurality of information, such as the location information and the system information. The WTRU may transmit a preamble using the timing offset via the PRACH resource. The base station may receive the preamble and send a random access response (RAR) that includes, for example, a TA command. The WTRU may receive the RAR including the TA command and combine the timing offset with the TA command to determine an actual TA, after which the WTRU may use the actual TA for uplink transmissions.

Abstract: The apparatus may be a first UE. The first UE may determine a first set of candidate BPLs associated with a first SL and a second set of candidate BPLs associated with a second SL. The first UE may further determine a configuration for FD beam training based on the determined first set of candidate BPLs and the determined second set of candidate BPLs, the FD beam training configuration may include multiple instances for which the first UE transmits and receives RS at a same time. The apparatus may also select, based on the determined FD beam training configuration, a first BPL in the first set of candidate BPLs for the first SL and a second BPL in the second set of candidate BPLs for the second SL. The first UE may establish FD communication with the second UE based on the selected first BPL and the selected second BPL.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. Some aspects relate to hybrid automatic repeat request (HARQ) feedback for sidelink communications. Some aspects more specifically relate to providing HARQ feedback for sidelink communications over a Uu interface. In some aspects, HARQ feedback is provided over a Uu interface for sidelink communications between vehicles. For example, the HARQ feedback may be provided via a vehicle-to-network-to-vehicle (V2N2V) interface in response to a connected groupcast or connectionless groupcast communication.

Abstract: An example device for processing image data includes a processing unit configured to determine a set of criteria representing keypoints of interest for processed image data; extract a plurality of keypoints from the image; determine which of the plurality of keypoints match the set of criteria representing the keypoints of interest to determine a matched set of keypoints; and output data representative of the matched set of keypoints.

Abstract: Techniques are disclosed for coverage-aware joint configuration for multi-network wireless communication. The techniques can include identifying a travel route for travel of a user equipment (UE) from a start location to a destination location, obtaining multi-network wireless coverage information for the travel route, wherein the multi-network wireless coverage information includes terrestrial network (TN) wireless coverage information and non-terrestrial network (NTN) wireless coverage information, determining a joint TN/NTN wireless communication configuration for the UE for the travel route based on the multi-network wireless coverage information, and sending the joint TN/NTN wireless communication configuration to the UE.

Abstract: Methods, systems, and devices for wireless communications are described. A discoverer user equipment may transmit, to a first network entity, a discovery message requesting information for discovery of discoveree UEs for sidelink communication. The discovery message may include one or more parameters that indicate a discovery model type, a geographic range relative to the discoverer UE, a cast type, or a combination thereof. The first network entity may transmit the discovery message to one or more second network entities. A second network entity may transmit the discovery message to one or more discoveree UEs. A given discoveree UE may transmit a response to the discovery message indicating whether the discoveree UE is available for discovery by the discoverer UE. The discoverer UE may receive from the first network entity, a response to the discovery message indicating a list the discoveree UEs that satisfy criteria for the discovery.

Abstract: Techniques for determining a position of at least one target user equipment (UE) with respect to a source UE, wherein the source UE and at least one target UE are in communication with a communication network having at least one radio access network (RAN) and a network entity include transmitting to the network entity, via at least one transceiver and the at least one RAN, a request for positional information of the at least one target UE with respect to a first location of the source UE; and receiving from the network entity, via the at least one transceiver, the positional information, wherein the positional information is based on a location of the at least one target UE.

Abstract: Methods, systems, and devices for sidelink wireless communications are described in which a user equipment (UE), such as a vehicle UE, that supports full-duplex communications may transmit a sidelink control channel during a set of time resources including scheduling information for a subsequent transmission by the UE via a first set of resources. The UE may receive a sidelink control channel during the set of time resources from a second UE that may support full-duplex communications or half-duplex communications. The sidelink control channel may include scheduling information for a subsequent transmission via a second set of time-frequency resources that at least partially overlaps with the first set of time-frequency resources. The first UE may determine that a collision will occur and may perform a resource selection procedure or may transmit a request for the second device to perform the resource selection procedure.

Abstract: This disclosure provides systems, methods, and devices for wireless communication that support paging for network-based user equipment (UE)-to-UE communication. In a first aspect, a method of wireless communication performed at a network entity includes identifying a UE-to-UE paging request condition originating at a source UE. The method also includes identifying one or more other network entities within a paging area relative to a location of the source UE. The method further includes transmitting, to the one or more other network entities, one or more paging messages in accordance with the UE-to-UE paging request condition. Other aspects and features are also claimed and described.

Abstract: A method for use in a Wireless Transmit/Receive Unit (WTRU). The method comprises: receiving, using an active receiver, system information comprising a first system information set, wherein the first system information set is currently valid for the WTRU; storing the system information; deactivating the active receiver and activating a passive receiver; determining whether a difference between a first parameter in the BSSI and a first parameter in the first system information set is greater than a threshold value, wherein on a condition that the difference is greater than the threshold value, reactivating the active receiver to receive a second system information set as a currently valid system information set for the WTRU.

Abstract: Wireless communications systems, apparatuses, and methods are provided. A method of wireless communication performed by a user equipment (UE) may include transmitting, to a network unit, activity information associated with the UE, receiving, from the network unit, an indication of a transmission frequency for transmitting a notification. The transmission frequency may be based at least in part on the activity information associated with the UE. The method may further include transmitting the notification based on the transmission frequency.

Abstract: Aspects presented herein may enable a first UE to utilize inference results provided by at least a second UE to improve its inference accuracy. In one aspect, a first UE establishes an ML inference result sharing session with one or more second UEs for at least one ML inference task. The first UE receives a first set of ML inference results associated with the at least one ML inference task, where the first set of ML inference results is received from the one or more second UEs during the ML inference result sharing session. The first UE estimates an aggregated ML inference result based on at least one of the first set of ML inference results or a second set of ML inference results, where the second set of ML inference results is configured by the first UE for the at least one ML inference task.

Abstract: Method and apparatus for on demand assistance for sidelink communication. The apparatus receives, from a base station, an AN configuration for one or more ANs associated with the base station. The apparatus transmits, to the base station, an AR to request assistance with communication with a second UE from at least one AN associated with the base station. The apparatus receives, from the base station, a grant to schedule sidelink transmission with the second UE. The sidelink transmission with the second UE is assisted by at least one AN of the one or more ANs associated with the base station. The apparatus communicates via sidelink communication with the second UE, via the at least one AN, using allocated resources of the grant from the base station.

Abstract: In one example, a method being performed by a first station and comprises: transmitting a first message including an indication of whether a clock reconfiguration event occurs at the first station; transmitting a first positioning reference signal (PRS); receiving from a second station a second PRS; and transmitting to the second station a second message including a first time when the first PRS is transmitted by the first station and a second time when the second PRS is received by the first station, to enable the second station to determine a roundtrip time (RTT) between the first station and the second station based on the first time, the second time, a third time when the second station receives the first PRS, a fourth time when the second station transmits the second PRS, and the indication.

Abstract: Approaches for idle mode operations for wireless transmit/receive units (WTRUs) with zero-energy (ZE) receivers are disclosed herein. A WTRU operating in idle mode, may receive using the main transceiver over a Uu interface, an energy harvesting (EH) configuration for use over a ZE air interface. The main transceiver may be turned off, and the ZE receiver as part of a ZE idle mode operation, may detect, over the ZE air interface, and harvest energy from ZE reference signals. The WTRU may calculate an amount of energy harvested from the ZE reference signals over a first time period. The WTRU may calculate a ZE idle mode operation energy consumption over the first time period. On a condition that the ZE idle mode operation energy consumption is greater than the harvested energy, the main transceiver may be turned on and the WTRU may enter a Uu interface idle mode operation.

Abstract: Methods, systems, and devices for wireless communications are described. For instance, a first user equipment (UE) may identify a configuration for an assisting node (AN) that includes an indication of a set of time resources during which the AN is active and an indication of location information that indicates communication direction information corresponding to communications via the AN during the set of time resources. The first UE may select a time resource from the set of time resources based on the indication of location information, a location of the first UE, and information associated with a packet for transmission from the first UE to a second UE via the assisting node. The first UE may transmit the packet over the selected time resource.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a configuration of a first resource pool associated with a first component carrier and a second resource pool associated with a second component carrier. The UE may receive an indication of a resource allocation associated with a sidelink communication, wherein the resource allocation is based at least in part on at least one of the first resource pool or the second resource pool. The UE may perform the sidelink communication in accordance with the resource allocation. Numerous other aspects are described.

Abstract: Method and apparatus for a WTRU to harvest energy from uplink signals of other WTRUs in a wireless network are disclosed. In an example, a method includes sending WTRU location information and determining a mapping between one or more geographical areas and their respective unique geographical radio network temporary identifier (RNTI) (geo-RNTI) and determining a current geo-RNTI of the WTRU based on the WTRU location information. The method may include decoding one or more configuration parameters of a first group of one or more other WTRU in the determined geo-RNTI, switching receive circuitry of the WTRU based on the one or more configuration parameters decoded; and harvesting radio frequency (RF) energy from uplink transmissions of the one or more other WTRUs based on switching of the receive circuitry.

Abstract: Various aspects of the present invention generally disclose wireless communication. In some aspects, a user equipment (UE) may receive a configuration of a first resource pool associated with a first component carrier and a second resource pool associated with a second component carrier. The UE may transmit an indication of a resource reservation associated with a sidelink communication, wherein the resource reservation indicates a first set of resources associated with the first resource pool and a second set of resources associated with the second resource pool, and wherein the indication of the resource reservation is transmitted in at least one of a first control channel associated with the first component carrier or a second control channel associated with the second component carrier.