Introduction: The car networking technology system mainly includes car sensing technology, car wireless communication technology, car navigation technology, electronic map and positioning technology, vehicle IoT terminal technology, intelligent control technology, massive data processing technology, data integration technology, and intelligence. Traffic technology, video surveillance technology, fourth-generation mobile communications.
According to the concept of car networking, the car networking technology system mainly includes car sensing technology, car wireless communication technology, car navigation technology, electronic map and positioning technology, vehicle IoT terminal technology, intelligent control technology, massive data processing. Technology, data integration technology, intelligent transportation technology, video surveillance technology, fourth-generation mobile communication (4rd-generation, 4G) network technology, etc., these technologies complement each other and cooperate with each other. The future of the Internet of Vehicles system will face the requirements of system function integration, data sea quantification and high transmission rate.
Car Perception Technology
Car perception technology is the peripheral nerve of the Internet of Vehicles and is the most critical technology of the Internet of Vehicles. Car sensing technology mainly includes sensor technology, radio frequency identification (RFID) technology, satellite positioning sensing technology, etc., mainly used for vehicle condition and control system perception, road environment perception, vehicle and object perception, vehicle position perception, driving assistance system perception, etc. . Vehicle condition and control system perception, can achieve assisted driving, driving behavior analysis, active safety reminder, remote driving control and even automatic driving, etc., a wide variety of vehicle status sensors.
Road environment perception is the main technology for vehicle and external perception, and also the key technology for the integration of vehicles and intelligent transportation. The road environment perception mainly includes road surface perception, traffic condition perception, traffic signal perception, pedestrian perception, and intelligent traffic perception.
The Internet of Vehicles is the most important application. The application of the Internet of Vehicles lies in the networking of vehicles and things, especially the freight car networking. The networking and perception of vehicles and things is the most basic. With the help of radio frequency identification, sensors and other technical means, the information and status of the items in the vehicle can be sensed, and the information can be transmitted to the Internet of Things system via the vehicle network system, and real-time network monitoring, visual management and online of the items in the vehicle network system can be performed. Scheduling to achieve the operation of intelligent logistics. The vehicle and the exterior of the building, the goods and the perception of the front and rear vehicles are the basis for driving safety, collision prevention and driverless driving. The main technologies used are radio frequency identification, laser,Infrared, video, electromagnetic and other sensing technologies.
The car network location-aware technology mainly uses satellite positioning technology, electromagnetic induction technology and radio frequency identification technology. Because electronic induction technology and radio frequency identification technology need to embed relevant sensing devices on the road or road, the intelligent traffic The technical requirements are high, and it is not suitable for the mobile car network in the mobile, so the most commonly used satellite positioning technology.
Vehicle wireless communication technology
Wireless mobile electronic communication technology is an important technical means of vehicle network information transmission. At present, automobiles will gradually become mobile multimedia information centers, and office places and logistics information platforms. Intelligent logistics IoT systems and family homes are closely connected through advanced communication technologies, fully embodying the interconnection requirements of “seamless mobile communication”. The development trend is flexibility, digitization, connectivity, integration and privacy. Automotive communication technologies mainly include mobile communication technologies and mobile Internet technologies.
Mobile communication is communication between mobile bodies or between a mobile body and a fixed body. The moving body may be a person, or may be an object in a moving state such as a car, a train, a ship, or a radio. The frequency bands used by both parties of communication are all over the low frequency, intermediate frequency, high frequency, very high frequency and ultra high frequency.
The mobile communication system consists of a mobile station, a base station, and a mobile switching office. From the perspective of vehicle networking applications, access technologies that can be used include third-generation mobile communication technologies, car phones, car stations, car faxes, and car intercoms. Wireless 4G has a wide range of mobile communication technologies in the Internet of Vehicles. Mobile Internet is the combination of mobile communication and the Internet. In recent years, mobile communication and the Internet have become the two fastest growing businesses in the world with the most market potential and the most attractive prospects. Their growth rate is unexpected for any forecaster, so it is foreseeable that the mobile Internet Will create economic myths.
Mobile Internet is developing for multimedia information applications. With the advancement of technology, providing multimedia services to mobile users will be the main trend in the development of mobile communications in the next 10 years.
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