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.

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 communication apparatus for vehicle-to-X communication (V2X communication), including: a first V2X interface for transmitting and/or receiving vehicle-to-X messages by a first wireless communication technology, a second V2X interface for transmitting and/or receiving vehicle-to-X messages by a second wireless communication technology. Wherein the apparatus is configured to transmit information, which is received with a vehicle-to-X message by the first interface, by the second interface. The information received or respectively to be transmitted can be expediently had by at least one appropriate vehicle-to-X message received or respectively to be transmitted. A corresponding method as well as the use of the apparatus is also provided.

Abstract: A compensator for compensating line or coupling losses of a signal transmission path for transmitting a communication signal between an antenna and an electronic control unit, including at least one first interface for connecting to the antenna and a second interface for connecting to the electronic control unit, and which is furthermore notable in that, in addition to the communication signal, the compensator is configured to output a position signal for position determination. An electronic circuit arrangement for operating at least one antenna and an antenna device is also disclosed.

Abstract: An electronic device, having a communication module for wireless data communication with a further electronic device, which is distinguished in that the electronic device is configured to use at least one quantitative value in order to characterize a spatial reference of the electronic device to the further electronic device in order to secure the wireless data communication, with the further electronic device. Furthermore, an aspect of the invention relates to a vehicle system having at least one electronic device according to an aspect of the invention as well as a corresponding method.

Abstract: A method for handling a control card, wherein the control card is received by another vehicle. This provides an increased degree of safety in situations to be regulated, as it is possible to compare control cards of different vehicles and coordinate them if necessary.

Abstract: An apparatus for protecting signals, including a first electronic computing device, and a second electronic computing device, wherein the second electronic computing device has a checking device, wherein the first and second electronic computing devices are designed to receive one or more different signals from one another and/or to emit them to one another, wherein the checking device is designed to check signals received from the second electronic computing device for formal correctness and/or to check the plausibility of said signals and to transmit the signals to the first electronic computing device and/or to a bus for transmitting data on the basis of the plausibility check and/or the check for formal correctness, wherein the second electronic computing device is configured according to a higher safety integrity level than the first electronic computing device. A corresponding method and to the use of the apparatus in a vehicle is also disclosed.

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 method for updating an electronic card in a vehicle based on a deviation between predicted states and actual states comprises calculating a predicted state of the vehicle, establishing an actual state of the vehicle, determining a deviation between the predicted state and the actual state, and storing information in the map if the predicted state and the actual state deviate from one another.

Abstract: A method for operating a central server, which enables a central management of control cards containing traffic rules. The invention further includes methods for handling control cards in vehicles, in particular in cooperation with such a central server.

Abstract: A system for improving the data security during a communication process, including at least one processor and a hardware security module. The communication data is authenticated prior to a transmission process, and the authenticity of the communication data is checked upon being received. The authentication is carried out by the processor, and the authentication check is carried out by the hardware security module, wherein the communication data is car-to-X messages. The processor and the hardware security module are linked via a common secret element such that at least the hardware security module cannot be coupled to another processor.

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: A vehicle-to-X communication arrangement has a decision unit and a vehicle-to-X communication module, wherein the vehicle-to-X communication module forwards vehicle-to-X messages together with a signature to the decision unit which performs a safety check using the respective signature.