Abstract: Embodiments include systems and methods executed by a processor of a vehicle for presenting relevant warnings to a vehicle operator, including receiving a vehicle-to-everything (V2X) communication including information regarding a V2X-identified threat, determining whether the vehicle operator has not recognized the V2X-identified threat, determining a display location that is most likely to receive the vehicle operator's attention in response to determining that the vehicle operator has not recognized the V2X-identified threat, and generating an alert regarding the V2X-identified threat on the determined display location. The generated alert regarding the V2X-identified threat on the determined display location may exclude alerts regarding any threat conditions that the processor has determined that the vehicle operator has recognized.

Abstract: Embodiments include methods performed by vehicle-to-everything (V2X) system for evaluating V2X information. Some embodiments may include receiving from a V2X entity a length value and width value of the V2X entity, determining whether the received length value and width value are reliable, and performing a position overlap check using the received length value and width value in response to determining that the received length value and width value are reliable.

Abstract: Methods, systems, and devices for wireless communications are described. A communication device may detect vehicle-to-everything (V2X) fuzzing attacks. The communication device may receive a set of packets. Each packet of the set of packets includes a set of information element (IE) fields. The communication device determine a change to one or more IE fields of the set of IE fields and associated with at least a subset of packets of the set of packets based on comparing a respective value associated with each of the one or more IE fields to a respective default value associated with each of the one or more IE fields. As a result, the communication device may transmit a report indicating a plurality of fuzzing attacks at the communication device.

Abstract: In various embodiments, a vehicle-to-everything (V2X) processing device detecting a misbehavior condition in a system of the vehicle, and prevent the vehicle from sending a V2X message related to the detected misbehavior condition in response to detecting the misbehavior condition in the system of the vehicle. In some embodiments, the V2X processing device may receive information from a plurality of information sources of the vehicle, and may detect the misbehavior condition in the system of the vehicle by performing a cross-check of information received from the plurality of information sources of the vehicle to detect an inconsistency within the received information.

Abstract: Embodiments are disclosed that include systems and methods performed by vehicle-to-everything (V2X) system participant to determine whether a misbehavior condition may have occurred based on the generation and/or receipt of a V2X message. The detection of a misbehavior condition may occur if the V2X message is generated and/or received too frequently or not frequently enough. In addition, a misbehavior condition may be detected if the generated and/or received V2X message does include the appropriate security credential.

Abstract: In various embodiments, a vehicle processing device may receive a vehicle-to-everything (V2X) message from an ITS participant, the message including an ITS participant type indication, determine detector settings based on the ITS participant type for one or more detectors configured to evaluate an aspect of the ITS participant, determine whether information in the V2X message is plausible using the detector settings based on the ITS participant type for the one or more detectors, and perform a security action in response to determining that the information in the V2X message is not plausible.

Abstract: Embodiments include methods performed by vehicle-to-everything (V2X) system for evaluating V2X information. Some embodiments may include receiving from a V2X entity a length value and width value of the V2X entity, determining whether the received length value and width value are reliable, and performing a position overlap check using the received length value and width value in response to determining that the received length value and width value are reliable.

Abstract: Embodiments are disclosed that include systems and methods performed by vehicle-to-everything (V2X) system participant to determine whether a misbehavior condition may have occurred based on the generation and/or receipt of a V2X message. The detection of a misbehavior condition may occur if the V2X message is generated and/or received too frequently or not frequently enough. In addition, a misbehavior condition may be detected if the generated and/or received V2X message does include the appropriate security credential.

Abstract: Embodiments are disclosed that include systems and methods performed by vehicle-to-everything (V2X) system participant to identify position overlap misbehavior conditions efficiently by using vehicle threshold model data rather than specific second vehicle dimension data. The vehicle threshold model data may include a confidence value for the dimension data contained therein such that a confidence level for the identification of a position overlap misbehavior condition may be calculated. The calculated confidence values may allow the V2X system participant to determine whether to generate a misbehavior detection report (MBR) and transmit the MBR to a misbehavior managing authority.

Abstract: Embodiments include methods performed by vehicle-to-everything (V2X) system for evaluating V2X information. Some embodiments may include receiving from a V2X entity a length value and width value of the V2X entity, determining whether the received length value and width value are reliable, and performing a position overlap check using the received length value and width value in response to determining that the received length value and width value are reliable.

Abstract: In various embodiments, a vehicle-to-everything (V2X) processing device detecting a misbehavior condition in a system of the vehicle, and prevent the vehicle from sending a V2X message related to the detected misbehavior condition in response to detecting the misbehavior condition in the system of the vehicle. In some embodiments, the V2X processing device may receive information from a plurality of information sources of the vehicle, and may detect the misbehavior condition in the system of the vehicle by performing a cross-check of information received from the plurality of information sources of the vehicle to detect an inconsistency within the received information.

Abstract: Methods, apparatuses, systems, and non-transitory computer-readable media are disclosed for V2X misbehavior detection at a device. A disclosed method comprises performing context detection to generate a determined context for the device. The method further comprises performing a plurality of plausibility checks to generate a plurality of plausibility outputs. At least one plausibility check of the plurality of plausibility checks is performed based on inputs including (1) a reported value obtained from a received V2X message and (2) the determined context for the device. The method further comprises weighing and combining the plurality of plausibility outputs, by applying at least one set of weights based on the determined context for the device, to generate at least one combined, weighted plausibility indicator value.

Abstract: Embodiments include methods performed by vehicle-to-everything (V2X) system for protecting proprietary data within misbehavior reports. Various embodiments may include detecting misbehavior conditions based on received sensor data, determining whether the received sensor data that supports a conclusion that a misbehavior condition has occurred is or includes proprietary information, and encrypting the sensor data that supports the conclusion that the misbehavior condition has occurred in response to determining that the received sensor data is or includes the proprietary information.

Abstract: Aspects relating to abnormal transmission identification include, for example, a method involving, at a receiving device, receiving a plurality of V2X messages from a plurality of transmitting devices, obtaining a plurality of RSSI-to-distance data pairs, including an RSSI-to-distance data pair for each of the plurality of V2X messages, establishing an RSSI-to-distance relationship model based, at least in part, on the plurality of RSSI-to-distance data pairs. The method further involves, at the receiving device, receiving an additional V2X message from a transmitting device different from the plurality of transmitting devices, obtaining an additional RSSI-to-distance data pair for the additional V2X message, and comparing the additional RSSI-to-distance data pair to the RSSI-to-distance relationship model.

Abstract: Embodiments are disclosed that include systems and methods performed by vehicle-to-everything (V2X) system participant to determine whether a misbehavior condition may have occurred based on the generation and/or receipt of a V2X message. The detection of a misbehavior condition may occur if the V2X message is generated and/or received too frequently or not frequently enough. In addition, a misbehavior condition may be detected if the generated and/or received V2X message does include the appropriate security credential.

Abstract: In various embodiments, a vehicle-to-everything (V2X) processing device may receive V2X messages from intelligent transportation system (ITS) stations, analyze information in received V2X messages to detect misbehavior conditions, and add a station identifier associated with a V2X message received from an ITS station to a local blocking list in response to detecting a misbehavior condition in the V2X message received from the ITS station. In some embodiments, the V2X processing device may transmit a misbehavior report to a management entity in response to detecting the misbehavior condition in the V2X message.

Abstract: Methods, misbehavior management systems, non-transitory processor-readable media of various embodiments provide for managing the generation, storage, and transmission of misbehavior reports from vehicle-to-everything (V2X) onboard equipment to an associated entity, such as a misbehavior managing authority. Various embodiments may include detecting a misbehavior condition has occurred and determining whether to generate a misbehavior report based on an aggregated criticality value. The misbehavior management system may then determine whether to store the generated misbehavior report. The misbehavior management system may also determine whether to transmit the generated misbehavior report to a misbehavior managing authority. In some embodiments, the misbehavior management system may determine which stored misbehavior reports may be deleted from storage.

Abstract: The application is applicable for use in conjunction with a system that includes connected vehicle communications in which vehicles in the system each have an onboard processor subsystem and associated sensors, the processor subsystem controlling the generation, transmission, and receiving of messages communicated between vehicles for purposes including crash avoidance. A method is set forth for determining, by a given vehicle receiving messages, the occurrence of misbehavior, including the following steps: processing received messages by performing a plurality of plausibility determinations to obtain a respective number of plausibility measurements; determining at least one context for the region at which the given vehicle is located; weighting the plurality of plausibility measurements in accordance with values determined from the at least one context to obtain a respective plurality of plausibility indicator values; and deriving a misbehavior confidence indicator using the plausibility indicator values.

Abstract: Aspects relating to abnormal transmission identification include, for example, a method involving, at a receiving device, receiving a plurality of V2X messages from a plurality of transmitting devices, obtaining a plurality of RSSI-to-distance data pairs, including an RSSI-to-distance data pair for each of the plurality of V2X messages, establishing an RSSI-to-distance relationship model based, at least in part, on the plurality of RSSI-to-distance data pairs. The method further involves, at the receiving device, receiving an additional V2X message from a transmitting device different from the plurality of transmitting devices, obtaining an additional RSSI-to-distance data pair for the additional V2X message, and comparing the additional RSSI-to-distance data pair to the RSSI-to-distance relationship model.

Abstract: Methods, apparatuses, systems, and non-transitory computer-readable medium are disclosed relating to abnormal transmission identification. One method comprises, at a receiving device, receiving a V2X message from a transmitting device. The method further comprises determining a signal propagation context for the receiving device and obtaining an RSSI value and a distance value for the V2X message. The method further comprises generating an adjusted RSSI value based on (1) the RSSI value and (2) the signal propagation context for the receiving device. The method further comprises obtaining a predetermined RSSI-to-distance relationship model and comparing an adjusted RSSI-to-distance data pair, comprising the adjusted RSSI value and the distance value, to the predetermined RSSI-to-distance relationship model.