Abstract: Disclosed are techniques for performing wireless communication. In some aspects, a wireless communication device may determine that a prospective position of the wireless communication device is in a geographic area associated with a deficient global navigation satellite system (GNSS) signal. In some cases, the wireless communications device can transmit a sidelink synchronization signal to at least one user equipment (UE) device that is located within the geographic area associated with the deficient GNSS signal.

Abstract: Disclosed are techniques for performing wireless communication. In some aspects, a wireless communication device may determine that a prospective position of the wireless communication device is in a geographic area associated with a deficient global navigation satellite system (GNSS) signal. In some cases, the wireless communications device can transmit a sidelink synchronization signal to at least one user equipment (UE) device that is located within the geographic area associated with the deficient GNSS signal.

Abstract: Techniques for determining an alternative communication mode for vehicle-to-vehicle communication at a host vehicle can include monitoring the primary mode of RF communication to ensure it is effectively communicating and, if not, intelligently selecting a backup communication mode comprising one or more other sensors and/or systems of the vehicle. The selection of the backup communication mode may take into account various factors that can affect the various modes of communication from which the backup communication mode is selected.

Abstract: Embodiments are disclosed that include systems and methods performed by a processor of a designated platoon vehicle, including establishing an out-of-band vehicle-to-vehicle (V2V) communication link with a target vehicle in response to determining a change in the quantity of vehicles included in the platoon is approved, wherein the out-of-band V2V communication link extends laterally more than a first V2V communication link with an initially-adjacent platoon vehicle, expanding the first V2V communication link for maintaining communications with the initially-adjacent platoon vehicle while changing a relative positioning between the designated platoon vehicle and the initially-adjacent platoon vehicle, establishing a second V2V communication link with the target vehicle, and ending the out-of-band V2V communication link in response to the target vehicle taking the place of the initially-adjacent platoon vehicle immediately adjacent to and either in front of or behind the designated platoon vehicle.

Abstract: Disclosed are systems, apparatuses, processes, and computer-readable media for wireless communications. For example, an example of a process includes receiving, by an onboard unit (OBU) of a vehicle, sensor data from a plurality of sensors of the vehicle. The process may include determining, by the OBU based on the sensor data, a score level for an event associated with the vehicle. The process may further include determining the score level is greater than a threshold score level and, based on the score level being greater than the threshold score level, broadcasting an alert message related to the event to one or more devices.

Abstract: Disclosed are systems, apparatuses, processes, and computer-readable media for wireless communications. For example, a process may include receiving, at a network device (e.g., a vehicle or other type of network device), a plurality of messages using a first type of communication protocol, wherein the network device is part of a platoon including a plurality of network devices (e.g., a plurality of vehicles or other network device). The process may include generating, at the network device, a summary message summarizing the plurality of messages. The process may include transmitting the summary message using a second type of communication protocol.

Abstract: Systems and techniques are described for providing optimized vehicle-to-everything (V2X) safety messages over a wide area network (Uu) interface. For example, method for wireless communications may include receiving, by a network device, one or more first messages from one or more vehicles. Each of the first message(s) includes vehicle information associated with a respective vehicle of the vehicle(s). The method may include determining, at the network device, one or more recipient vehicles for one or more second messages based on at least a portion of the vehicle information from the first message(s) and characteristics associated with a respective recipient vehicle of the recipient vehicle(s). The method may include transmitting, at the network device, the second message(s) to the recipient vehicle(s).

Abstract: Various aspects of the present disclosure generally relate to vehicle sensors. In some aspects, a device associated with a vehicle may obtain, from an external source, calibration data including a first set of measurements related to a position of one or more objects in a reference frame associated with the external source. The device may identify a second set of measurements related to the position of the one or more objects within a field of view of one or more onboard sensors, and update a calibration table based at least in part on a comparison of one or more of the first set of measurements and one or more of the second set of measurements that are most time-aligned. Accordingly, the device may convert sensor-derived location information from a source reference frame to a reference frame associated with the vehicle using the updated calibration table. Numerous other aspects are provided.

Abstract: Collaborative enhanced sensing systems and techniques are described. A system obtains sensor data of an environment from one or more sensors. The sensor data includes different representations of one or more portions of the environment from multiple perspectives. The system identifies a subset of the different representations of the one or more portions of the environment based on context corresponding to a vehicle in the environment. The context can include, for example, a position, a direction of travel, a speed, and/or a planned movement of the vehicle. The system causes an enhanced representation of the environment for the vehicle to be generated at least in part based on consolidating and/or fusing together the subset of the different representations. The system can cause an indication of the enhanced representation of the environment to be output at the vehicle.

Abstract: Systems and techniques are described for identifying and/or classifying capabilities associated with a wireless device. In some aspects, a process of the disclosed technology can include steps for receiving a first message comprising V2X capability information associated with a first wireless device, and transmitting via the at least one transceiver, a second message to the first wireless device, wherein the second message is associated with a periodicity based on the V2X capability information associated with the first wireless device.

Abstract: Systems and techniques are described for providing an enhanced vehicle-to-everything (V2X) see-though use case. For example, a method for wireless communication at a network entity may include receiving, at the network entity, sensor data from one or more devices, the sensor data comprising at least one of sensing measurements associated with one or more objects in an environment or information associated with a respective device of the one or more devices. The method may include generating, at the network entity, one or more advisory messages for one or more recipient vehicles based on at least a portion of the sensor data. The method may further include transmitting, from the network entity, the one or more advisory messages to the one or more recipient vehicles.

Abstract: A method includes, by a mobile device, receiving a Global Navigation Satellite System (GNSS) signal, and receiving, from a wireless device, via a PC5 interface, a message including a location of a reference structure. The method also includes determine whether the GNSS signal is a spoofing signal based on a difference between the location of the reference structure and a location of the mobile device determined based on the GNSS signal.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a device may receive a vehicle to everything (V2X) communication associated with a vehicle in an environment; determine, based at least in part on a vulnerability measure of a vulnerable roadside user (VRU) in the environment, a VRU notification profile associated with whether an alert is to be provided to a VRU to indicate vehicle data of the vehicle; and perform an action according to the VRU notification profile. Numerous other aspects are provided.

Abstract: Method and apparatus for maintaining C-V2X timing (e.g., in platoon scenarios). The apparatus of a slave UE determines a thermal condition of the respective slave UE within a platoon of UEs. The apparatus performs synchronization with a first synchronization source, directly or indirectly, based on the thermal condition of the slave UE. Synchronization is performed directly with the first synchronization source in response to a determination that the thermal condition of the slave UE is below a threshold. Synchronization is performed indirectly with the first synchronization source through a master UE within the platoon of UEs in response to a determination that the thermal condition exceeds a threshold. The apparatus may receive, from a master UE within the platoon of UEs, SLSS to synchronize indirectly to the first synchronization source through the master UE.

Abstract: A vehicle may transmit, to a network entity, a lane use request message associated with a lane for the vehicle. The network entity may identify lane information associated with a lane for a vehicle. The network entity may identify vehicle information associated with the vehicle. The network entity may transmit, to the vehicle, and the vehicle may receive, from the network entity, a lane use grant message based on at least one of the identified lane information or the identified vehicle information. The lane use grant message may be indicative of a permission for the vehicle to use the lane. The vehicle may not be permitted to use the lane without the permission. The lane may correspond to a flexible direction lane, an emergency lane, a road shoulder, an HOV lane, or a passing lane.

Abstract: Techniques for determining an alternative communication mode for vehicle-to-vehicle communication at a host vehicle can include monitoring the primary mode of RF communication to ensure it is effectively communicating and, if not, intelligently selecting a backup communication mode comprising one or more other sensors and/or systems of the vehicle. The selection of the backup communication mode may take into account various factors that can affect the various modes of communication from which the backup communication mode is selected.

Abstract: Disclosed are techniques for performing wireless communication. In some aspects, a wireless communication device may determine that a prospective position of the wireless communication device is in a geographic area associated with a deficient global navigation satellite system (GNSS) signal. In some cases, the wireless communications device can transmit a sidelink synchronization signal to at least one user equipment (UE) device that is located within the geographic area associated with the deficient GNSS signal.

Abstract: In some aspects, a device may receive swipe data associated with a swipe by a user of a user device. The swipe data may be received based on the swipe generating a user input that is indicative of a swipe input. The device may process, based on reference swipe data, the swipe data to determine whether the swipe is associated with an authorized user of the user device. The reference swipe data may be associated with previous swipes performed by the authorized user. The device may perform an action associated with access to a user interface of the user device based on whether the swipe data is determined to be associated with the authorized user. Numerous other aspects are described.

Abstract: Various embodiments include method performed by a processor of a roadside unit (RSU) processing system for controlling a message transmissions. In various embodiments, the RSU processing system may receive vehicle-to-everything (V2X) information from a vehicle, determine, based on the received V2X information, a minimum reception distance at which the vehicle or operator of the vehicle will reliably receive a message from the RSU and have time for the vehicle to react to the message, determine a transmission power level based on the determined minimum reception distance, and transmit the message to the vehicle using the determined transmission power level. In various embodiments, the RSU processing system may determine the transmission power level taking into account vehicle speeds, vehicle locations, road conditions, weather conditions and/or the type of message being transmitted.

Abstract: This application discloses a device for detecting nicotine. The device includes a nicotine sensor comprising vanadium oxide (VO2), a processor and circuitry configured to detect a change in the electrical resistance of the nicotine sensor. The processor is configured to receive, from the circuitry, a signal representative of the detected change in the electrical resistance of the nicotine sensor and output data based on the detected change in electrical resistance of the nicotine sensor. A system and method for detecting nicotine are also disclosed.