Abstract: A method for execution by an apparatus belonging to a first road user comprises receiving a vehicle-to-X (V2X) message by a V2X communication apparatus, wherein the V2X message comprises time information for determining a system time of a second road user, determining a system time of the first road user, comparing the system times of the first road user and the second road user, wherein, if a determined discrepancy between the system times of the first road user and the second road user is equal to or exceeds a limit value, it is determined whether the system time of the first road user or of the second road user is incorrect, and correcting the system time of the first road user if the system time of the first road user is incorrect, or outputting a control signal for communicating that the system time of the second road user is incorrect.

Abstract: A method and corresponding device for the decentralized cooperative coordination of at least two vehicles includes: determining an abstract driving maneuver to realize at least one nominal driving maneuver by a first vehicle, determining driving maneuver information regarding the first vehicle's at least one abstract driving maneuver, transmitting the first vehicle's driving maneuver information to at least one further vehicle, calculating or reconstructing the first vehicle's nominal trajectory and/or nominal driving maneuver based on the received driving maneuver information by the further vehicle, comparing the first vehicle's reconstructed nominal trajectory and/or the reconstructed nominal driving maneuver with the further vehicle's nominal trajectory and/or nominal driving maneuver and, if a conflict exists between the nominal trajectory and/or the nominal driving maneuver of the first vehicle and the nominal trajectory and/or the nominal driving maneuver of the further vehicle, transmitting a cooperati

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: The present invention relates to a method of cooperatively coordinating future driving maneuvers of a vehicle with fellow maneuvers of at least one fellow vehicle, wherein trajectories for the vehicle are rated with an effort value each, trajectories and fellow trajectories of the fellow vehicle are combined into tuples, the trajectory and the associated effort value of a collision-free tuple are selected as reference trajectory and reference effort value, trajectories with a lower effort value than the reference effort value are classified as demand trajectories, trajectories with higher effort value than the reference effort value are classified as alternative trajectories, and a data packet having a trajectory set consisting of the reference trajectory and the associated reference effort value as well as at least one trajectory from a group comprising the demand trajectories and the alternative trajectories as well as the respective effort values is transmitted to the fellow vehicle.

Abstract: A method, wherein a received planned trajectory of a first vehicle relative to a received planned trajectory of the second vehicle is evaluated with respect to a potentially safety-critical situation and, if a potential safety-critical situation is detected, the planned trajectory of the second vehicle is output to be received by the first vehicle. Moreover, a corresponding method for execution by a communication apparatus of a first vehicle or an infrastructure device, wherein a planned trajectory of the first vehicle is output by means of a mobile radio interface of the first vehicle or the infrastructure device and by means of a communication interface designed for direct vehicle-to-X communication of the first vehicle or the infrastructure device. Furthermore, a method for preventing a potential safety-critical traffic situation between a first vehicle and a second vehicle, a processing apparatus, a communication apparatus and a system.

Abstract: The present invention relates to a method of cooperatively coordinating future driving maneuvers of a vehicle with fellow maneuvers of at least one fellow vehicle, wherein a fellow data packet is received from the fellow vehicle, in which a fellow trajectory set of a fellow reference trajectory is contained, a trajectory from a trajectory set for the vehicle is selected as a reference trajectory for the vehicle using the fellow reference trajectory, wherein a trajectory which is collision-free towards the fellow reference trajectory is selected, the trajectories of the trajectory set are rated using limit trajectories, and at least one cooperation trajectory is selected from the trajectories of the trajectory set using the reference effort value, wherein a data packet containing the reference trajectory and the cooperation trajectory is transmitted to the fellow vehicle.

Abstract: A method for ascertaining an ego position of an electronic device, having the steps: ascertaining an ego position of the electronic device by a position-detecting apparatus of the electronic device, ascertaining, by a computing apparatus for processing the data of the electronic device, a position of a road user using positional information comprising a received vehicle-to-X message in respect of cooperative road user recognition, ascertaining, by the computing apparatus or a further computing apparatus for processing data, a distance between the ascertained ego position and the position ascertained using the received positional information, correcting the ascertained ego position using the positional information to form a corrected ego position if the distance is less than or equal to a threshold value. An electronic device, the use of the electronic device as well as a corresponding system as also disclosed.

Abstract: A communication device including a mobile radio module for data communication via a mobile radio network and/or an internet access module for data communication via the internet, and a radio module for direct vehicle-to-X communication. The communication device is configured to receive status information and/or environment information of a road user from a processing device for operation of an internet service by the mobile radio module and/or internet access module and to re-emit the status information and/or environment information via the radio module by direct vehicle-to-X communication. A corresponding method to be carried out by a communication device and a method for improving the road safety of a road user are also disclosed.

Abstract: The present invention relates to a method of cooperatively coordinating future driving maneuvers of a vehicle with fellow maneuvers of at least one fellow vehicle, wherein trajectories for the vehicle are rated with an effort value each, trajectories and fellow trajectories of the fellow vehicle are combined into tuples, the trajectory and the associated effort value of a collision-free tuple are selected as reference trajectory and reference effort value, trajectories with a lower effort value than the reference effort value are classified as demand trajectories, trajectories with higher effort value than the reference effort value are classified as alternative trajectories, and a data packet having a trajectory set consisting of the reference trajectory and the associated reference effort value as well as at least one trajectory from a group comprising the demand trajectories and the alternative trajectories as well as the respective effort values is transmitted to the fellow vehicle.

Abstract: A communication device including a mobile radio module for data communication via a mobile radio network and/or an internet access module for data communication via the internet, and a radio module for direct vehicle-to-X communication. The communication device is configured to receive status information and/or environment information of a road user from a processing device for operation of an internet service by the mobile radio module and/or internet access module and to re-emit the status information and/or environment information via the radio module by direct vehicle-to-X communication. A corresponding method to be carried out by a communication device and a method for improving the road safety of a road user are also disclosed.

Abstract: A method for ascertaining an ego position of an electronic device, having the steps: ascertaining an ego position of the electronic device by a position-detecting apparatus of the electronic device, ascertaining, by a computing apparatus for processing the data of the electronic device, a position of a road user using positional information comprising a received vehicle-to-X message in respect of cooperative road user recognition, ascertaining, by the computing apparatus or a further computing apparatus for processing data, a distance between the ascertained ego position and the position ascertained using the received positional information, correcting the ascertained ego position using the positional information to form a corrected ego position if the distance is less than or equal to a threshold value. An electronic device, the use of the electronic device as well as a corresponding system as also disclosed.

Abstract: The present invention relates to a method of cooperatively coordinating future driving maneuvers of a vehicle with fellow maneuvers of at least one fellow vehicle, wherein a fellow data packet is received from the fellow vehicle, in which a fellow trajectory set of a fellow reference trajectory is contained, a trajectory from a trajectory set for the vehicle is selected as a reference trajectory for the vehicle using the fellow reference trajectory, wherein a trajectory which is collision-free towards the fellow reference trajectory is selected, the trajectories of the trajectory set are rated using limit trajectories, and at least one cooperation trajectory is selected from the trajectories of the trajectory set using the reference effort value, wherein a data packet containing the reference trajectory and the cooperation trajectory is transmitted to the fellow vehicle.

Abstract: A radio receiver for receiving radio signals from at least one position determination system, having a receiving apparatus, and an antenna arrangement. The antenna arrangement has at least one radio signal antenna for receiving radio signals and a first feed element and a second feed element. The first feed element and the second feed element have different polarization-dependent sensitivities. The antenna arrangement has a first radio signal line and a second radio signal line. The first radio signal line is designed to provide a radio signal received by the antenna arrangement as a first radio reception signal. The second radio signal line is designed to provide a further radio signal received by the antenna arrangement as a second radio reception signal. A signal processing apparatus designed to determine a position of the radio receiver on the basis of the first radio reception signal and the second radio reception signal.

Abstract: A method and corresponding device for the decentralized cooperative coordination of at least two vehicles includes: determining an abstract driving maneuver to realize at least one nominal driving maneuver by a first vehicle, determining driving maneuver information regarding the first vehicle's at least one abstract driving maneuver, transmitting the first vehicle's driving maneuver information to at least one further vehicle, calculating or reconstructing the first vehicle's nominal trajectory and/or nominal driving maneuver based on the received driving maneuver information by the further vehicle, comparing the first vehicle's reconstructed nominal trajectory and/or the reconstructed nominal driving maneuver with the further vehicle's nominal trajectory and/or nominal driving maneuver and, if a conflict exists between the nominal trajectory and/or the nominal driving maneuver of the first vehicle and the nominal trajectory and/or the nominal driving maneuver of the further vehicle, transmitting a cooperati

Abstract: A method for determining a reception direction of a radio signal, wherein several antennas having different directional characteristics are used.

Abstract: A method for establishing a cooperation partner for executing a driving maneuver, includes emission of a cooperation request by a first vehicle and receiving of the cooperation request by a second vehicle. The method also includes establishing of a significance value for cooperation on the basis of information included in the cooperation request, using information relating to the second vehicle, by the second vehicle. The method also includes emission of a piece of information focused on the cooperation request by the second vehicle.

Abstract: According to one exemplary embodiment of the invention, a vehicle antenna apparatus is provided on a vehicle in such a way that this results in the antenna having a horizontal main beam direction. A first reflection apparatus above the conductive roof of the vehicle, with an exciter between these two elements, causes the reflections to be doubled, thus causing the main beam direction to be lowered from a vertical to a horizontal direction.

Abstract: A vehicle key for radio communication with a vehicle. The vehicle key has a radio transmitter for transmitting radio signals to the vehicle. The vehicle key has a radio receiver and/or audio receiver to be able to locate the vehicle within close range. A bidirectional communication with a transceiver of the vehicle is set up by the radio receiver and/or the audio receiver and the radio transmitter. Furthermore, a corresponding method for locating the vehicle by using the vehicle key is described.

Abstract: According to one exemplary embodiment of the invention, a vehicle antenna apparatus is provided on a vehicle in such a way that this results in the antenna having a horizontal main beam direction. A first reflection apparatus above the conductive roof of the vehicle, with an exciter between these two elements, causes the reflections to be doubled, thus causing the main beam direction to be lowered from a vertical to a horizontal direction.

Abstract: A vehicle key for radio communication with a vehicle. The vehicle key has a radio transmitter for transmitting radio signals to the vehicle. The vehicle key has a radio receiver and/or audio receiver to be able to locate the vehicle within close range. A bidirectional communication with a transceiver of the vehicle is set up by the radio receiver and/or the audio receiver and the radio transmitter. Furthermore, a corresponding method for locating the vehicle by using the vehicle key is described.