121 results about "Vehicular communication systems" patented technology

The invention discloses a vehicle communication fault source determination method and related equipment, and relates to the technical field of vehicle communication, the method comprises the following steps: obtaining communication operation information of a plurality of processing levels in a vehicle communication system, the plurality of processing levels comprising a hardware layer, a middle layer, a security layer and a network layer; based on a preset log format, recording the communication operation information, and generating an encrypted log; and performing fault root cause analysis on the encrypted log through a preset fault tree model to obtain a target fault source. Through multi-level log acquisition and fault tree analysis, in combination with a structured format and encrypted storage, vehicle communication fault diagnosis with accurate and efficient fault positioning, data traceability, safety and credibility can be realized.

A vehicle includes an eye tracker for tracking a gaze of an occupant of the vehicle. The vehicle has a processor to use gaze direction data to determine if the occupant is gazing at a nearby vehicle sensed by a vehicle-detecting sensor, e.g. a camera, LIDAR or RADAR. The processor determines an identification of the nearby vehicle by optically recognizing characters of a license plate of the nearby vehicle using the camera, or by detecting an identification beacon broadcast by the nearby vehicle using a short-range vehicle-to-vehicle transceiver. The vehicle includes a radiofrequency cellular transceiver to transmit a message to a server to look up the identification of the vehicle and to receive a communication-availability reply message indicating either a communication availability or communication unavailability of the nearby vehicle. The radiofrequency cellular transceiver or the short-range vehicle-to-vehicle transceiver initiates a voice communication with the nearby vehicle.

The present disclosure provides a system and method of providing radio content to a vehicle. A system for providing radio content to a vehicle includes a vehicle communication system, a vehicle infotainment system, and a vehicle entertainment support server remote from the vehicle. A vehicle communication system includes a tuner unresponsive to a first radio transmission medium and configured to transmit a radio content request requesting radio content from an identified radio station (i.e., a desired radio station). The vehicle infotainment system is configured to obtain an input identifying a desired radio station broadcast in a first radio transmission medium and to transmit radio content from the desired radio station. The remote vehicle entertainment support server is configured to: receive radio content from a source, store the radio content in a selected temporary memory; obtaining a radio content request; and in response to the transmitting radio being the desired radio in the radio content request, transmitting the radio content in the selected temporary memory.

A vehicle includes: a plurality of Ultra Wide Band (UWB) transceivers; and a controller configured to control the plurality of UWB transceivers to selectively operate, based on location information of a mobile key in which the UWB function is embedded, in at least one of a first mode for communication and a second mode for detecting an obstacle.

In at least some implementations, a vehicle communication system, includes an interior camera having a field of view that includes at least part of an interior of a vehicle, an exterior display mounted within the interior or on an exterior of the vehicle and oriented for viewing by a person located outside of the vehicle, and a controller coupled to the interior camera and the exterior display to enable selective display of an output from the interior camera on the exterior display to enable said person to be able to view at least part of the interior.

A vehicle communication system includes a plurality of ECUs connected by the communication network including a plurality of communication transmission lines. Each of the ECUs includes an identification unit that identifies a target ECU to be a communication partner, and a relay transmission line and a relay ECU through which communication with the target ECU is routed, a standby time determination unit that determines a transmission standby time based on information on the relay ECU, the transmission standby time being a time from transmission of an activation instruction to another one of the ECUs closest to the ECU along the relay transmission line to transmission of a control signal toward the target ECU, and a communication unit that transmits the control signal after an elapse of the transmission standby time after transmitting the activation instruction to the relay transmission line closest to the ECU.

The invention relates to a method and a vehicle communication system (3) for a vehicle (1) for selecting a radio cell (2) of a mobile network, a vehicle (1) with a corresponding vehicle communication system (3) and a vehicle fleet system (12) with several fleet vehicles (11).

A vehicle communication system includes a gateway device. The gateway device is configured to receive electric power from a battery of a vehicle, relay communication among multiple communication lines coupled to respective electronic control units, perform, when receiving a signal through any of the communication lines, a sleep wake-up operation by transmitting a wake-up request signal to switch one or more of the electronic control units to be woken up from a sleep mode to a wake-up mode, and refrain from transmitting the wake-up request signal in a case where the gateway device determines in view of electric power consumption of the battery that transmission of the wake-up request signal is unacceptable.

A method and system for enabling interactive learning for connected vehicles. The system includes a vehicle data hub (VDH) component, a system learning and updating (SLU) component, and an application delivery network (ADN). The VDH component enables cloud-coordinated data collection by the connected vehicles. The VDH component includes a vehicle-based portion with an intelligent buffer in communication with a vehicle communication system and a VDH cloud-based service portion. The SLU component is a cloud-based service configured to manage data campaigns and specific triggers for efficient data collection, data processing, and the delivery of updated and / or new applications based on the processed data to connected vehicles.The ADN component is located in the vehicle and prioritizes data campaign requests relative to other active vehicle services.

Vehicle communication system, comprehensive: an on-board device (130); and one or more vehicle controllers (120) connected to a vehicle network (NW1, NW2) wherein the on-board device (130) is configured to perform the following steps: Transmitting an encrypted message (MS), encrypted outside of a vehicle, to one or more vehicle controllers (120) connected to the vehicle network (NW1, NW2); and if the encrypted message (MS) is an individual message to one of the vehicle controllers (120), transmission of the encrypted message (MS) to one of the vehicle controllers (120) via the vehicle network (NW1, NW2); and if the encrypted message (MS) is a common message to the one or more vehicle controllers (120), decrypt the encrypted message (MS) using an encryption key (K2, K5) belonging to the on-board device (130), and then transmit the decrypted message to the one or more vehicle controllers (120) via the vehicle network (NW1, NW2).

A method for vehicle communication applied to a central gateway of a vehicle communication system. The method comprises: receiving zone information from a source zone controller of the plurality of zone controllers based on a time-sensitive network protocol, and the zone information comprises vehicle body data of a vehicle area controlled by the source zone controller; determining information to be transmitted based on the zone information; determining a target zone controller for receiving the information to be transmitted among the plurality of zone controllers based on the zone information; sending the information to be transmitted to the target zone controller based on the time-sensitive network protocol. A vehicle communication system, a central gateway, and a non-transitory storage medium are also provided.

Vehicle-mounted system (1) for communicating with an external tool (2), wherein the vehicle-mounted system (1) comprises: a communication device (16); a tool key recovery device (11, S62-S64); and a communication controller (11, S65), wherein the vehicle-integrated system (1) and an external server (3) provide a vehicle communication system, wherein the external tool (2) stores a secret tool key, where the external server (3) stores information about an external tool, where the information about an external tool provides a public tool key and key identification information that are linked together, wherein the public tool key provides a public key that forms a pair with the secret tool key, wherein the key identification information provides identification information about the public tool key, wherein the communication device (16) communicates with the external server (3), wherein, when the external tool (2) requests a communication connection with the vehicle-bound system (1), the tool key acquisition device (11, S62-S64) sends the key identification information according to the external tool (2), which is a request source, to the external server (3) via the communication device (16), so that the tool key acquisition device (11, S62-S64) obtains the public tool key associated with the key identification information from the external server (3) via the communication device (16), wherein the communication controller (11, S65) performs cryptographic communication with the external tool (2) representing the request source using the public tool key obtained through the tool key acquisition device (11, S62-S64), wherein the communication controller (11, S65) performs the cryptographic communication with the external tool (2) in a public key encryption system using the public tool key, such that the communication controller (11, S65) shares a common key with the external tool (2), where the shared key provides cryptographic communication in a shared key encryption system, wherein the vehicle-mounted system (1) further comprises an update device (11, S67) for updating the common key, and wherein the update device (11, S67) generates an updated common key based on vehicle information.

A communication unit (6) provided in a vehicle control device (5) periodically transmits a first command signal for requesting a response from a portable device (4) while a vehicle (2) is parked or stopped (S10). The portable device (4) transmits a first response signal upon receiving the first command signal. When the communication unit (6) receives the first response signal (S20: Yes), an authentication unit (7) executes a first user authentication (S30). When the first user authentication is established, the communication unit (6) periodically transmits a second command signal requesting a response from the portable device (4) and a position detection signal enabling detection of the distance from the vehicle (2) when the portable device (4) is in a predetermined area (20) (S70). When it is determined that the portable device (4) is in the predetermined area (20), the portable device (4) transmits a second response signal (S80). When the communication unit (6) receives the second response signal (S90: Yes), the authentication unit (7) executes a second user authentication, which has higher security than the first user authentication (S100).

Access data device (30) for providing predetermined access data for at least a plurality of access-restricted telematics services (3_1, 3_N) used in a motor vehicle, wherein the access data device (30) is arranged outside the motor vehicle, has a second communication interface (32) and is designed, - to receive a provision request for the specified access data of the respective access-restricted telematics service (3_1, 3_N) via the second communication interface (32) - to assign the provision request to the motor vehicle and / or a specified motor vehicle user, - to determine the respective access data in response to the provision request in a vehicle-specific and / or vehicle-user-specific manner and to provide them at the second communication interface (32) and - wherein the access data device (30) has a third communication interface (35) and is designed - for the respective restricted-access telematics service (3_1, 3_N), to issue a vehicle-specific and / or vehicle-user-specific further provision request for basic access data for the restricted-access telematics service (3_1, 3_N) via the third communication interface, - to temporarily store the basic access data of the respective telematics service (3_1, 3_N) provided in response to the further provision request at the third communication interface (35) and - depending on the basic access data, to determine the specified access data vehicle-specifically and / or vehicle-user-specifically for the specified telematics service (3_1, 3_N).

The invention relates to a vehicle communication system and method, a storage medium, a program product, equipment and a vehicle. The vehicle communication system comprises a domain controller and a radar. Wherein the domain controller is used for controlling the radar. The radar is controlled through the domain controller, problems of the radar can be diagnosed in time or the version of the radar can be upgraded in time, normal work of the radar is ensured, and driving safety is improved.

System and procedure for risk assessment in the event of a traffic signal violation for a vehicle. The system comprises a sensor, such as a front camera module (FCM), configured to capture an image in a field of view in front of the vehicle; a vehicle communication system configured for vehicle-to-infrastructure (V2I) and / or telematics communication with an infrastructure unit, the infrastructure unit being capable of providing intersection information; and a traffic signal violation risk assessment module (TSVRA module) that communicates with the FCM and the vehicle communication system.The TSVR module analyzes the captured image to determine an intersection, a traffic light at the intersection, and the current state of the traffic light (TLCS, Traffic Light Current State); it gathers intersection information from the infrastructure unit and determines a risk of a traffic light signal violation based on the information and performs a physical action to mitigate the risk.

The utility model relates to a communication system and a vehicle. The communication system comprises an active antenna, the active antenna comprises a first amplification circuit, and the first amplification circuit is used for amplifying a signal received by the active antenna or a signal transmitted by the active antenna; and a processing device connected with the active antenna, the processing device comprising a second amplification circuit for amplifying a signal received from the active antenna or a signal transmitted to the active antenna. According to the communication system and the vehicle, signal attenuation between the antenna and the processing equipment caused by line loss can be compensated, so that the distance between the antenna and the processing equipment is not limited, and the stability of the communication system is improved.

A system for providing information to a vehicle occupant includes a global navigation satellite system (GNSS), a vehicle communication system, a display system configured to provide information to the vehicle occupant, and a vehicle controller in electrical communication with the GNSS, the vehicle communication system, and the display system. The vehicle controller is programmed to determine a position of the vehicle using the GNSS. The vehicle controller is also programmed to transmit the location of the vehicle to the remote server system using the vehicle communication system. The vehicle controller is also programmed to display graphics using the display system. The graphics are received from a remote server system. The vehicle controller is also programmed to transmit the engagement indicator of the graph to the remote server system using the vehicle communication system.

A vehicle communication system includes an exterior communication assembly, a control assembly, and wiring. The exterior communication assembly is designed to be mounted at a driver side mirror of a vehicle. The exterior communication assembly includes a speaker and a microphone. The control assembly includes a battery in a battery housing designed to be mounted under a vehicle dashboard, a microprocessor operatively connected to the battery, and a wireless transceiver operatively connected to the microprocessor. The wireless transceiver is designed to operatively connect the first communication assembly to a personal electronic device having a speaker and a microphone. The wiring connects the exterior communication assembly to the control assembly and is designed to be installed in and through a wiring conduit in a driver side mirror and a driver side door.

A method for distributing communication resources between subfunctions of a function, executable on two or more executability levels, of a communication system for a vehicle. The method includes ascertaining a communication resource requirement of the function on a first executability level, provided by subfunctions of the function; checking whether the communication resource requirement is able to be met with available communication resources; if not, determining at least one of the subfunctions that is able, with the available communication resources, to provide only a second executability level that is restricted in relation to the first executability level; distributing available communication resources between the two or more subfunctions comprising restricting the available communication resources for one or more other subfunctions that differ from the at least one subfunction, so that the two or more subfunctions provide the second executability level of the function following the restriction.

A system for establishing a wireless connection between a mobile device and a vehicle includes a human-machine interface (HMI), a vehicle communication system, where the vehicle communication system includes a wireless connection transceiver, a speaker, a microphone, a controller in electrical communication with the HMI, the vehicle communication system, the speaker, and the microphone. The controller is programmed to activate a wireless connection mode of the controller based at least in part on a signal from the microphone and transmit a vehicle wireless connection identifier using the speaker. The controller is further programmed to confirm a vehicle wireless connection passcode using at least one of the speaker and the microphone and establish a wireless connection between the mobile device and the controller using the wireless connection transceiver in response to confirming the vehicle wireless connection passcode.

The invention provides a vehicle, a communication system, a vehicle control system, and a vehicle control method. The vehicle is provided with a position detection device configured to detect the position of a vehicle key, and a control device. The control unit is configured so as to execute control that, when a reservation request for closing a door of the vehicle is acquired and the position of the vehicle key detected by the position detection device is separated from the vehicle by a predetermined distance or more, starts control in a first mode including closing the door, and that, when a reservation request for closing the door of the vehicle is received, starts control in a second mode including closing the door of the vehicle. When the reservation request is acquired and the position detection device does not detect the position of the vehicle key only for a predetermined period, control of a second mode, which includes closing the door and is different from the first mode, is started.

The present invention relates to a vehicle communication system with an alternative periodic connection mode. A communication system for a vehicle includes a controller adapted to selectively execute an alternative periodic connection mode for communication between a user of the vehicle and a remote assistance unit. The vehicle is not connected to a wireless plan. The controller has a processor and a tangible non-transitory memory with instructions recorded thereon. The alternative periodic connection mode is activated based in part on at least one automatic trigger and / or a request from the user. The controller is adapted to assign a different identifier to the vehicle during execution of the alternative periodic connection mode. The different identifier is defined by a plurality of parameters including a connection time interval, an internet protocol address range, and a host port. The internet protocol address range and host port can be dynamically configured to remain disengaged unless permission is given to the system.

System (10) for route planning of a vehicle (12) based on the road characteristics, wherein the system (10) comprises: a global navigation satellite system (GNSS) (16) for determining a geographic location of the vehicle (12); a vehicle communication system (20) for communicating with server systems (28); and a vehicle controller (14) in electrical connection with the GNSS (16) and the vehicle communication system (20), wherein the vehicle controller (14) is programmed: to determine a vehicle mass, a vehicle height and a vehicle width; to receive a navigation request from an occupant of the vehicle (12); and to determine a navigation route using at least the GNSS (16) and the vehicle communication system (20) in response to receiving the navigation request, wherein the navigation route is based at least partially on the vehicle mass, vehicle height and vehicle width, wherein, in order to determine the navigation route, the vehicle controller (14) is further programmed as follows: to determine the geographical location of the vehicle (12) using the GNSS (16); to transmit the vehicle's geographical location (12), navigation request, vehicle mass, vehicle height and vehicle width to a server controller (30); and to receive the navigation route from the server controller (30) using the server controller (30), which is programmed as follows: to determine several possible routes at least partially based on the geographical location of the vehicle (12), each of which satisfies the navigation requirement; to determine a route-drive comfort score for each of the several possible routes; and to select the navigation route from the several possible routes at least partially based on the route drive comfort score for each of the several possible routes, wherein the server controller (30) is electrically connected to a database, wherein the database contains several segment drive comfort records, wherein each of the several segment drive comfort records corresponds to one of several road segments of several lanes, and wherein each of the several segment drive comfort records has a location attribute, a vehicle class attribute and a drive comfort score attribute, wherein, in order to determine the route drive comfort score for each of the several possible routes, the server controller (30) is further programmed as follows: to determine a vehicle class of the vehicle (12) at least partially based on the vehicle mass, vehicle height and vehicle width; to retrieve a subset of the multiple segment drive comfort records from the database, wherein the location of each subset of the multiple segment drive comfort records is along one of the multiple possible routes, and wherein the vehicle class of each subset of the multiple segment drive comfort records corresponds to the vehicle class of vehicle (12); and The route drive comfort score for each of the multiple possible routes is determined by summing the drive comfort score of each subset of the multiple segment drive comfort data records along each of the multiple possible routes.

A system for managing wireless connections for a vehicle may include one or more wireless devices, a vehicle communication system, and a vehicle controller in electrical communication with the vehicle communication system. The vehicle controller is programmed to determine a selected device of the one or more wireless devices with which to establish a connection using the vehicle communication system. The vehicle controller is further programmed to establish a wireless connection between the selected device and the vehicle communication system in response to determining the selected device.

In certain embodiments, a control system for an electric vehicle includes an electronic control unit (ECU) bus and a plurality of ECUs. A first ECU executes a broker service that communicates with a network server over a network, receives state information from applications executing on the ECUs, generates subscription information based on the state information, and transmits the subscription information to the applications that are subscribed to the subscription information. The first ECU also executes a translation service that communicates with the broker service and the ECU bus, and an application that generates state information, sends the state information to the broker service, and receives subscription information from the broker service. The second ECU executes an application that transmits state information over the ECU bus to the first ECU, and receives subscription information over the ECU bus from the first ECU.

In some embodiments, apparatuses and methods are provided herein that may be used to allow connection to a vehicle. In some implementations, a method includes receiving, by an authorization server, a connection request for the vehicle from a remote device; verifying the connection request by the authorization server; generating, by the authorization server, an authorization certificate in response to verifying the connection request; the authorization server sends the authorization certificate; receiving, by the vehicle, the certificate of authorization; authenticating, by the vehicle, the certificate of authorization; and activating, by the vehicle, a vehicle communication system in response to authenticating the certificate of authorization.

Each of a first communication device and a second communication device is capable of performing vehicle-to-vehicle communication and cellular communication. The first communication device issues a proxy request to the second communication device for communication with an application server. When the second communication device receives proxy communication, the second communication device acquires an unused port number from the first communication device, notifies a relay server of the port number as the number of the port for proxy communication, and then performs the proxy communication.

A method for determining a distance between a transmitter and a receiver, comprising storing, in a memory, first data indicating characteristics of an expected peak value, receiving, by the receiver, a data sequence comprising a first peak value and a second peak value, authenticating, by a processor, the data sequence in response to second data received in the second peak value, determining, by the processor, a distance between a transmitter and the vehicle communication system in response to a difference between a first time of reception of the first peak value and a second time of reception of the second peak value, initiating a determination of the distance in response to the first peak value matching the expected peak value, and activating, by a vehicle control unit, a vehicle control algorithm in response to the distance.

Improved security in ultra wide band ranging systems is provided. A method for determining a distance between a transmitter and a receiver includes: storing, in a memory, first data indicative of a characteristic of an expected peak; receiving, by the receiver, a data sequence comprising a first peak and a second peak; authenticating, by the processor, the data sequence in response to second data received in the second peak; determining, by the processor, a distance between the transmitter and the vehicle communication system in response to a difference between a first reception time of the first peak and a second reception time of the second peak, wherein the determination of the distance is initiated in response to the first peak matching the expected peak; and enabling, by the vehicle controller, a vehicle control algorithm in response to the distance.