The Internet of Vehicles is a sub-area that is currently relatively complete in the Internet of Things. This is because it has been researched in related projects for a long time since the in-vehicle communication, so after the introduction of appropriate key technologies, it can accelerate the development of other links. , which in turn drives the development of the overall vehicle network.
Point, channel, cloud construction complete vehicle networking
The complete architecture of the Internet of Vehicles can also be divided into three parts: endpoints, channels and platforms. One of the endpoints is naturally present in various vehicles, and is dedicated to collecting various information, driving conditions and surrounding environment of the vehicle, and is a communication terminal with a sensor.
The channel is the system responsible for interworking between other networks associated with the vehicle. Vehicle-related networks include vehicle-to-vehicle (V2V), vehicle-to-vehicle (V2R), vehicle-to-network (V2I), and vehicle-to-person (V2H). Through the interaction and information dissemination between multiple networks, vehicles in all networks can be made into intelligent systems and can automatically respond to objects.
The intelligent bus system integrates the bus operators, the municipal government, the general public, the authorities and the system operators, and integrates them through the Internet to receive signals from the buses, which can not only effectively grasp the current driving information. , can provide a variety of information services. Land Information System website
The automatic emergency braking system can assist the driver in responding to unexpected situations. This system monitors the safety distance from the front workshop through radar and photographic lens. If it is too close, it will give a warning and take the initiative to brake. Volvo
The cloud system is the platform responsible for exchanging various vehicle-related information, on which any vehicle-related information can be transmitted to each other, such as logistics information, passenger and cargo information, vehicle management, insurance and emergency rescue, and even manufacturers or The information of the leasing company can also be exchanged here, becoming a huge information cloud that can provide both central control capabilities and all relevant information to construct an ecosystem.
Take the smart bus system as an example. At present, the new generation of intelligent bus shelters that have been widely installed in Taipei can display the bus and time that will arrive soon. Passengers can also check the bus through devices such as mobile phones or tablet computers. The bus route and arrival time are convenient for passengers to understand the current transportation status. At the same time, the station name will be pre-announced according to the driving information to help passengers get off at the correct location.
The interior system is gradually mature and intelligent as the next target
Since the development of telematics communication for many years, various applications in the car have gradually matured, whether it is automatic temperature control, automatic braking system, near-field warning or navigation system, etc., all have made the telecom communication have a dazzling achievement.
In the past, due to the inefficient efficiency of wireless network transmission, until the 3G network matured, the in-vehicle application service that can be connected to the network was gradually paid attention to. Even the original application system can automatically update related content through the 3G network and greatly extend the content. Product life, but also provides users with a better application experience.
The current in-vehicle system is no longer a single system in a single system, but can provide a more comprehensive integration through the central control system. For example, the automatic emergency braking system can help the driver to stop the vehicle in the shortest time in case of an emergency, to avoid the driver being injured. To be able to do this, you need to integrate the exterior sensor, the fuel control system, the brake system, and the central control system to make the most appropriate decision.
V2V is the next important key
The full popularity of in-vehicle information systems is an important step in the development of the Internet of Vehicles. When most vehicles have been equipped with network-connected in-vehicle information systems, information can be shared through common network boundaries to share publicly available information. Further construction of the car-to-vehicle (V2V) environment.
At present, the key technologies required for V2V or Internet of Vehicles are mature. Whether it is 3G/4G network connection, near-end Bluetooth or NFC, it can provide and establish a good and smooth communication channel, but the biggest problem is How to properly transfer data while communicating with other unspecified neighboring vehicles, perhaps this depends on the development experience on the P2P network.
After all, in terms of security considerations, many in-vehicle information cannot be disclosed in V2V mode. Under the V2V architecture, it is only possible to simply share the speed, relative position, or possible path in a certain period of time (shared by the navigation system). If you want to be able to achieve the orderly and step-by-step automatic driving of all the vehicles in the movie, you need the assistance of different networks such as V2R and V2I. More importantly, you need a central control system to manage all driving information, so as to ensure the safety of data and driving. .
Wireless communication is the foundation of the future car network
The newly concluded MWC not only emphasizes the innovative design of the Internet of Things, but the Internet of Vehicles is a key project for major manufacturers. Due to the evolution of communication and network technologies, the Internet of Vehicles has now extended to personal portable devices in addition to links between key systems in the car. In the meeting, we can see the cooperation between LG and Audi, no need for the key, just open the car engine through the smart watch, which is the actual experience of combining people and cars.
Including manufacturers such as Zhonglei and Mingtai have also launched related products for vehicles. Zhonglei launched the LTE hotspot system for vehicles, which can share 4G signals to passengers in the car and provide a good wireless network environment in the mass transit system. Mingtai is cutting into the popular automotive radar sensor market. The 24GHz automotive radar sensor has multiple sensing functions and provides intelligent detection functions such as vehicle movement, speed, distance and collision, allowing Taiwan to market in this market. It still maintains good competitiveness.
Internet of Vehicles is a future urban intelligence assessment indicator
At present, we can see that the world's major cities have launched intelligent transportation-related systems. Whether it is a smart bus or subway, or real-time traffic conditions, a modern and intelligent city should provide a proper transportation. Information is like the future city seen in science fiction movies.
At present, the main development direction is the logistics management and intelligent transportation control. The next part is the parking lot management and traffic flow information analysis. I believe that in the near future, we will not only be able to enjoy a variety of networked in-car information systems, but also be able to combine external information to provide more convenient and intelligent navigation services or parking guides to create a smarter urban driving experience. .
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