2055 results about "Vehicle networks" patented technology

Methods and systems for a device discovery daemon that bases access of a communication device to an on board vehicle network on device location are provided.

The present disclosure relates to a device and a method for self-automated parking lots for autonomous vehicles based on vehicular networking, advantageous in reducing parking movements and space. It is described a device for self-automated parking lot for autonomous vehicles based on vehicular networking, comprising: a vehicle electronic module for receiving, executing and reporting vehicle movements, a parking lot controller for managing and coordinating a group of vehicles in parking and unparking maneuvers, the vehicle module and controller comprising a vehicular ad hoc networking communication system. It is also described a method comprising moving autonomously in platoon one or more rows of already parked vehicles in order to make available a parking space for a vehicle arriving to the parking space; and moving autonomously in platoon one or more rows of parked vehicles in order to make a parked vehicle able to exit the parking space.

A security system capable of preventing a security attack/threat on a vehicle network is provided. At least one security zone is set by using a risk level which is evaluated for a plurality of vehicle functional elements. In addition, a security countermeasure corresponding to the risk level of the security zone can be provided to a conduit of the security zone so as to perform gate keeping.

An architecture for context-aware advertisement and delivery among mobile communication devices over a communication network, in which the architecture is stored and executed as an application for use by network devices. The architecture includes a navigation module, which provides map data vehicles on the network and a context recognition module, which interprets data provided by sensors within the vehicle. Advertising data is received by a data reception module. A configuration module determines presentation slot availability. The value and content of the authenticated advertisement is verified by the advertisement management module; selected advertisements are presented to the vehicle user.

A vehicle communication network provides information about traffic conditions in a local area on a near real time basis. An RF transceiver in a vehicle communicates with other transceivers in other vehicles to relay traffic condition related information. The traffic information can be provided to local vehicles equipped with transceivers, or roadside devices that participate in the communication network. The traffic information is derived from data that may include time, position, velocity, acceleration or other information related to traffic flow. The data can be derived from a GPS, accelerometer or other devices that are typically prevalent in automobiles, whether as standalone units or integrated into the automobile. The transceivers can implement an emergency messaging construct to permit rapid dissemination of traffic information that may be derived from collisions, slowdowns, congestion or other traffic conditions that may prompt drivers to slowdown or otherwise increase vehicle spacing. The vehicle network can be implemented using add-on equipment in conjunction with PNDs or smart cellular telephones, or as a standalone device that is optionally integrated into a PND or vehicle.

A vehicle control module includes a vehicle device and a vehicle network interface. The vehicle device is operable to perform a vehicle function. The vehicle network interface facilitates communication regarding the vehicle function between the vehicle device and a vehicle network fabric in accordance with a global vehicle network communication protocol.

The invention relates to a crashing detecting and warning method based on vehicle network technology. The method comprises the following steps: collecting vehicle information and driving information; establishing a track model with the assistance of historical driving data and an electronic map of a vehicle and according to current driving information of the vehicle for predicting the track of the vehicle in the future n seconds; and judging if there exists danger of crashing according to a security boundary of the vehicle at a moment in the future, and performing warning if the danger of crashing exists. Track information of surrounding vehicles is known through a wireless receiving-transmitting module for receiving and transmitting a vehicle network broadcast protocol dada packet. According to the invention, a driver can be warned in time to avoid the danger, and the driving efficiency with the precondition of ensured security is improved.

A system and method for assigning certificates and reducing the size of the certificate revocation lists in a PKI based architecture for a vehicle wireless communications system that includes separating a country, or other area, into geographic regions and assigning region-specific certificates to the vehicles. Therefore, a vehicle need only process certificates and certificate revocation lists for the particular region that it is traveling in. Vehicles can be assigned multiple certificates corresponding to more than one region in the vehicles vicinity as advance preparation for possible travel or transmission into nearby regions. Further, the expiration time of certificates assigned to vehicles corresponding to a given geographic region can be tailored to be inversely proportional to the distance from a registered home region of the vehicle. A scalable design for a back-end certifying authority with region-based certificates can also be provided.

The invention discloses a vehicle safety driving early warning method based on vehicle internet. Vehicle information data is sent to a network background server through a vehicle-mounted wireless communication unit, the network background server acquires information data of dangerous points on a road section where a vehicle is located according to the vehicle information data and sends the information data at the dangerous points on the road section to the vehicle-mounted wireless communication unit, a vehicle-mounted central processing unit compares obtained dangerous point information with self-vehicle information, a safety distance model is called to generate early warning parameters, and a vehicle-mounted alarm unit, a vehicle-mounted display unit and an electronic control braking system are controlled to perform early warning response. The vehicle safety driving early warning method based on the vehicle internet has the advantage that a network background server terminal provides the dangerous point information for a vehicle-mounted terminal, the vehicle-mounted terminal acquires and analyzes vehicle geographical position information and the dangerous point information on the road section where the vehicle is located in real time, the vehicle-mounted alarm unit, the vehicle-mounted display unit and the electronic control braking system are controlled to perform the early warning response, and the vehicle safety driving early warning method based on the vehicle internet has reliability and high efficiency of vehicle network data communication.

A vehicle network gateway providing off board diagnostic and computer based devices with access to vehicle network data such as signal values and diagnostic error information. The gateway eliminating the deleterious effects of electrical loading on the vehicle network and the introduction of noise onto the vehicle network by off board devices. The gateway adapted to bridge data between the vehicle networks and a variety of external networks including conventional wireless and hardwired networks providing wireless access of vehicle diagnostic data over external networks at vehicle repair and service centers.

A vehicle network is provided with a monitoring-purpose onboard control apparatus that detects illicit data through monitoring the data communication format predetermined in order to operate a communication protocol that is used in the vehicle network. Upon detecting illicit data whose communication format is different from the prescribed communication format, the monitoring-purpose onboard control apparatus performs a process of transmitting alarm information to onboard control apparatuses, and also performs a process of prohibiting gateways from routing the illicit data.

An on-vehicle communication system, performing message authentication using transmitter and receiver codes that are message authentication codes respectively generated by a communication data transmitter and receiver, includes a first ECU, connected to an on-vehicle network, configured to have, among mutually different first and second encryption keys, only the first one and verify, by using the receiver code generated using the first one, the transmitter code assigned to the communication data received; a second ECU, connected to the on-vehicle network, configured to have at least the first one and transmit communication data to which the transmitter code generated using the first one is assigned; and a third ECU connected to the on-vehicle network and a network outside a vehicle, configured to have only the second one among the first and second ones and generate the transmitter or receiver codes using the second one when making communication over the on-vehicle network.

An system and method for providing software upgrades to components of a vehicle, wherein the labor, time and expense of providing the upgrades are minimized. In one embodiment, a network is installed in the vehicle, wherein the network comprises a transmission medium and one or more network devices coupled thereto. The network devices are addressable using IP addresses or object terminology. Data, software or service upgrades may be provided to the devices coupled to the network. The data, software and services may be delivered to the network through a first device, such as a wireless communication device, and then transmitted through the network to the device which is to be upgraded. The network may join an external network which is configured to query the in-vehicle network and/or automatically download data to the in-vehicle network.

An integrated circuit vehicle diagnostics interface adapter includes a semiconductor substrate with two integral gateway conductors. A set of paired switches on the substrate link any two of a first set of contacts to the gateway conductors, and another set of paired switches on the substrate link the two gateway conductors to any pair of a second set of contacts corresponding to a particular vehicle network communications protocol circuit in a vehicle diagnostics device. Both sets of switches are controlled by an integrated switch control module.

This invention relates to a central control unit of a car carried network and a method for controlling and managing the car-carried network, among which, the central control unit includes a microprocessor CPU, a CAN T/R device, a CAN controller, a CAN bus, interface, a regulated supply, an input/output interface circuit and a switch signal test circuit. The network system is composed of several electronic control units with CAN interface, the PCU and all nodes of the car-carried network keep communication therefore, the CPU stores node database originally matched, the central control unit and other nodes interact via data communication of matched data request, response and network management request and response to realize the network management of configuration, diagnosis, sleep and awaking.

A vehicle network monitoring system based on a Beidou positioning system is disclosed. The vehicle network monitoring system comprises a vehicle-mounted terminal, a monitoring platform in a monitoring center, a data server, the Beidou positioning system, and a communication network. The vehicle-mounted terminal comprises a GPS/Beidou compatible vehicle-mounted terminal. A digital electronic recording device capable of recording and storing the vehicle driving speed, time, the mileage and other vehicle-driving-related status information and achieving data output through interfaces is disposed in the GPS/Beidou compatible vehicle-mounted terminal. A Beidou bimodule positioning module and a GPRS/CDMA/3G communication module are integrated in the Beidou compatible vehicle-mounted terminal. Related information of a vehicle at present is accessed into the internet through a mobile communication network, accessed into the monitoring platform, and monitored by the monitoring platform. The monitoring center and a secondary platform with a fire protection wall are connected by the internet. The secondary platform is provided with a server farm so as to provide could services for users.

The invention discloses an Internet of Vehicles distributed authentication method based on controllable privacy, relates to the field of vehicle network communication safety, and specifically relates to an Internet of Vehicles distributed authentication method based on controllable privacy. The method specifically includes five following steps: system initialization; private key update of fake names and a part of signatures; message signature; message authentication of signatures; and real identity tracking and revocation. According to the method, the double hash chain is employed to establish the fake names, the communication cost for invalidating a vehicle identity is irrelevant to the numbers of the fake names and a part of the signature private keys of the vehicle, a vehicle user can update multiple parts of signature private keys by the adoption of one authorization, and the burden of trusted authority (TA) and road-side units (RSU) is reduced; when a message with a controversial signature occurs, the TA can distinguish whether the signature is forged by the RSU according to re-signature of the message uploaded by the vehicle, and the problem of non-repudiation in the distributed environment is solved. According to the method, the security is high, the cost is low, and the method is applicable to node high-speed movement, topology structure volatility, and large-scale VANET network.

The invention discloses a safe communication method of an internal automobile network in the Telematics and mainly solves a problem of unsafe internal networks in the prior art. The method is characterized by comprising steps that, 1, a group of group keys is sent by a key electronic control unit to an electronic control unit to form an encrypted internal vehicle network; 2, the group keys are acquired by a gateway after being verified by the internal vehicle network and are complemented to the internal vehicle network; 3, a pair of keys used for encrypting communication information between external nodes and the gateway is generated by the key electronic control unit in the internal vehicle network to guarantee communication safety; and 4, during next-time communication, periodic update and change update for the group keys are carried out by the key electronic control unit based on demands. Through the method, communication confidentiality and integrity of the internal vehicle network are realized at minimum cost, playback attack is further prevented, each data of the internal vehicle internet can be prevented from being spied when a vehicle communicates with an external node or an external network, and real-time situations in the vehicle can be further protected.

The invention relates to a processing method for achieving automobile networking recourse through GPS positioning and mobile communication. When a vehicle fails, the current position information of the vehicle is acquired through a vehicle terminal GPS positioning module and is transmitted to a service center through a mobile communication module, the service center transmits the position information to a corresponding 4S customer service terminal, the 4S customer service terminal transmits the position information to a rescue vehicle, the rescue vehicle uploads the position information to the service center to calculate paths, and the target vehicle seeking for recourse is found through navigation after the rescue vehicle acquires the optimal path; therefore, the rescue vehicle can quickly find out the position of the recourse vehicle through the navigation, so as to reduce the waiting time of customers, improve the work efficiency of 4S maintenance personnel, and enhance the favor of the customer to the 4S, so that the method is favorable for improving back repair ratio of the sold vehicles.

The invention discloses an intelligent resource allocation method in the Internet of Vehicles, which applies an artificial intelligence algorithm to solve the problem of resource allocation in a vehicle network so as to maximize the revenue of a network operator. Specifically, the method comprises: establishing a base station-roadside node combined vehicle edge calculation and cache resource scheduling framework to distribute requested resources for vehicles; establishing a network operator revenue function in combination with the operator revenue and the user experience quality to evaluate the resource distribution problem, and establishing a joint optimization problem to maximize the network operator revenue; solving the joint optimization problem through deep reinforcement learning, obtaining an intelligent task scheduling and resource distribution scheme, arranging the obtained scheme in an intelligent control system, and performing intelligent scheduling and arrangement on vehiclerequests and server resources. According to the intelligent resource distribution method in the Internet of Vehicles, the revenue of a network operator can be maximized while the user experience is considered, and a new idea and angle are provided for practical application of artificial intelligence.