Abstract: An antenna module which is provided, in particular, for vehicle-to-X communication, and which performs pre-processing. An associated control unit and an associated motor vehicle are also disclosed.

Abstract: A method for ensuring integrity of data sent by a vehicle V2X communication device to a control module to ensure operational safety, including: receiving data transferred by vehicle-to-X communication by a first computing apparatus of the V2X communication device, storing the data in a data memory, forwarding the data to a second computing apparatus, receiving the data by the second computing apparatus, establishing whether an action is to be triggered for the data and, in response, transmitting the data to a comparison apparatus, carrying out a comparison test for the data provided by the second computing apparatus with the data stored in the data memory and, in response to the test being passed, outputting the data and/or a control instruction and/or a warning message by the V2X communication device to a control module. Furthermore, a corresponding vehicle-to-X device and the use of the device in a vehicle are disclosed.

Abstract: A method for validating vehicle-to-X messages by a computing apparatus of a vehicle comprises receiving at least one vehicle-to-X message comprising information for regulating the traffic flow, and validating the at least one message, wherein, within the framework of the validation, at least a part of the message content comprised by the at least one message is checked for the consistency thereof. A device for validating vehicle-to-X messages and a vehicle are also disclosed.

Abstract: A method for supplying data which can be received by a vehicle in a vehicular ad-hoc network, in which the data is transmitted between subscribers to the vehicular ad-hoc network using a location-based communications protocol, involves: identifying a geographical location area of the vehicle; selecting a suitable communications protocol (for the identified location area; and receiving the data using the selected communications protocol in such a way that the received data is available to at least one network layer of the communications protocol.

Abstract: A method for improving the utilization rate of a vehicle-to-X communication device for vehicle-to-X communication, having the steps: receipt of digital certificates by the vehicle-to-X communication device, generation of cryptographic keys for signing vehicle-to-X messages to be emitted using the digital certificates by an electronic computing apparatus, temporal spacing of the receipt of the digital certificates by the vehicle-to-X communication device, and generation of the cryptographic keys using the digital certificates. Furthermore, a vehicle-to-X communication device and use of the device in a vehicle or an infrastructure apparatus is provided.

Abstract: A vehicle-to-X communication device for a vehicle, containing: a sending device for sending out vehicle-to-X messages, a receiving device for receiving vehicle-to-X messages, and a processing apparatus for processing vehicle-to-X messages to be sent and received. The communication device is configured to send out information for identifying a manufacturer of the vehicle and is furthermore configured to determine, by the processing apparatus, a level of trust of a vehicle-to-X message of a further vehicle received by the receiving device, utilizing information for identifying a manufacturer of the further vehicle which is contained by the vehicle-to-X message of the further vehicle. Furthermore, a corresponding method is disclosed.

Abstract: A data transfer device for transferring data in a communications network for a vehicle, includes a data receiving device, and a data processing device. The data processing device is configured to filter received data via a filter device based on a predetermined condition, and the data processing device is configured to generate at least one data object with at least one parameter from the filtered data. The data processing device is further configured to check whether or not status information of the at least one parameter of the at least one data object has changed relative to status information of this at least one parameter of this at least one data object at an earlier time. The data processing device is further configured to transfer the changed status information of the at least one parameter of the at least one data object to the data application device.

Abstract: A vehicle system including a vehicle-to-X communication device for vehicle-to-X communication and a processing device for processing data to be sent by vehicle-to-X communication. The processing device is designed to transmit to the vehicle-to-X communication device data which are to be sent. The vehicle-to-X communication device is designed to generate an unsigned vehicle-to-X message using the transmitted data to be sent and to transmit the unsigned vehicle-to-X message to the processing device. The processing device is further designed to sign the transmitted vehicle-to-X message and to transmit the signed vehicle-to-X message to the vehicle-to-X communication device for emission. A corresponding method is also disclosed.

Abstract: In a communication system for vehicle-to-environment communication, data to be transmitted is transmitted wirelessly as data packets. The system includes a communication unit and an application unit which are in contact with one another via an internal communication link, the communication unit having a high-frequency antenna and a transceiver for physical data transmission, in addition to a data processor for controlling the physical transmission. The application unit has at least one data processor configured to execute application programs, to control the access of the application programs to the vehicle-to-environment communication and to execute data communication security applications. The data processor of the application unit is configured to forward the data packets including the routing between communication users and to segment the data stream.

Abstract: A vehicle-to-X communications system for a vehicle, includes first antenna, a second antenna, a first transceiver for transmitting and receiving a signal, the first transceiver electrically connectable to the first antenna via a first antenna interface, a second transceiver for transmitting and receiving a signal, the second transceiver electrically connectable to the second antenna via a second antenna interface, a control device connectable to the first transceiver via a first communications interface and to the second transceiver via a second communications interface. The first transceiver and the second transceiver are configured to communicate with the control device independently of one another and, further, to transmit and receive a signal independently of one another via their first antenna and the second antenna.

Abstract: A communication apparatus for vehicle-to-X communication (V2X communication), including a first interface for V2X communication on a first communication channel, a second interface for V2X communication on a second communication channel and a computing device for processing V2X messages received and/or to be sent. The apparatus is configured, initiated by the transmission of a first V2X message by the first interface, to transmit a second V2X message by the second interface. A corresponding method as well as the use of the communication apparatus in a vehicle or a mobile apparatus is also provided.

Abstract: A vehicle-to-X communication apparatus including: a reception device to receive a vehicle-to-X message; a first electronic computation device to calculate a hash value for a received vehicle-to-X message; and a second electronic computation device to generate a new vehicle-to-X message using data included in the received vehicle-to-X message and to calculate a hash value for the generated vehicle-to-X message. The first electronic computation device is designed in accordance with a higher safety integrity level than the second electronic computation device, and a comparison device to make a comparison between the hash value for the received vehicle-to-X message and the hash value for the generated vehicle-to-X message. The vehicle-to-X communication apparatus further processes the data from the received vehicle-to-X message depending on a result of the comparison. Also disclosed are a corresponding method and the use of the apparatus in a vehicle or an infrastructure device.

Abstract: A method for supplying data which can be received by a vehicle in a vehicular ad-hoc network, in which the data is transmitted between subscribers to the vehicular ad-hoc network using a location-based communications protocol, involves: identifying a geographical location area of the vehicle; selecting a suitable communications protocol (for the identified location area; and receiving the data using the selected communications protocol in such a way that the received data is available to at least one network layer of the communications protocol.

Abstract: A vehicle-to-X communication system having a vehicle-to-X communication module. The vehicle-to-X communication module continuously carries out self-tests which are based on receiving test messages and evaluating test messages in order to recognize errors.

Abstract: A vehicle-to-X communication apparatus includes a generating device which is designed to generate a vehicle-to-X message to be sent, a signing device which is designed to sign the vehicle-to-X message to be sent, a first verification device which is designed to verify the vehicle-to-X message to be sent, a transmitting device which is designed to send the vehicle-to-X message. The first verification device is configured according to a higher safety integrity level than the generating device, the signing device and/or the transmitting device. Furthermore, a corresponding method as well as the use of the apparatus in a vehicle or an infrastructure facility is disclosed.

Abstract: A vehicle-to-X communication device for a vehicle, containing: a sending device for sending out vehicle-to-X messages, a receiving device for receiving vehicle-to-X messages, and a processing apparatus for processing vehicle-to-X messages to be sent and received. The communication device is configured to send out information for identifying a manufacturer of the vehicle and is furthermore configured to determine, by the processing apparatus, a level of trust of a vehicle-to-X message of a further vehicle received by the receiving device, utilizing information for identifying a manufacturer of the further vehicle which is contained by the vehicle-to-X message of the further vehicle. Furthermore, a corresponding method is disclosed.

Abstract: A vehicle-to-X communication system having a vehicle-to-X communication module. The vehicle-to-X communication module continuously carries out self-tests which are based on receiving test messages and evaluating test messages in order to recognize errors.

Abstract: A method for ensuring integrity of data sent by a vehicle V2X communication device to a control module to ensure operational safety, including: receiving data transferred by vehicle-to-X communication by a first computing apparatus of the V2X communication device, storing the data in a data memory, forwarding the data to a second computing apparatus, receiving the data by the second computing apparatus, establishing whether an action is to be triggered for the data and, in response, transmitting the data to a comparison apparatus, carrying out a comparison test for the data provided by the second computing apparatus with the data stored in the data memory and, in response to the test being passed, outputting the data and/or a control instruction and/or a warning message by the V2X communication device to a control module. Furthermore, a corresponding vehicle-to-X device and the use of the device in a vehicle are disclosed.

Abstract: A method of processing a vehicle-to-X message in a plurality of stages in a vehicle-to-X communications module, processing being performed in at least some of the stages in dependence upon an area status such that the outlay for providing vehicle-to-X communication in different geographical areas can be considerably reduced. The invention also relates to a vehicle-to-X communications module and a storage medium for performing the method.

Abstract: An authentication device for a vehicle, wherein the vehicle has a communications network for conveying communications data. The authentication device includes a communications interface which is connectable to the communications network of the vehicle, wherein the communications interface is configured to receive the communications data, and a processor which is configured to detect a characteristic of the received communications data, wherein the processor is configured to authenticate the communications data based on a comparison of the detected characteristic with a reference characteristic.