Chain-type topology wireless communication system for realizing vehicle-infrastructure cooperation
A wireless communication system and vehicle-road coordination technology, which is applied in the field of chain topology wireless communication systems, can solve the problems of vehicle data information not being able to interact in real time, lack of vehicle-vehicle-road collaborative communication foundation, etc., to improve traffic efficiency, install Diversified locations to achieve the effect of vehicle-road communication
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[0017] Example 1
[0018] Such as figure 2 As shown, the chain topology wireless communication system that realizes vehicle-road collaboration includes several intelligent road nodes 1, vehicle-mounted nodes 2, and intelligent roadside nodes 3. Intelligent road node 1 is a miniature device with wireless communication function, installed in the middle of the road surface. The nodes are arranged in a chain topology, relaying information, and transmitting information such as traffic flow, time occupancy rate, and queue length through Bluetooth wireless communication technology. The vehicle-mounted node 2 and the intelligent roadside node 3; the vehicle-mounted node 2 is a vehicle carrying an intelligent terminal, which is driving on the road, and can wirelessly receive the traffic flow, time occupancy rate, and queue length transmitted by the intelligent road node 1. Interaction; smart roadside node 3 is a wireless relay node with Bluetooth communication function, installed at the...
Example Embodiment
[0019] Example 2
[0020] Such as image 3 As shown, the wireless node transmission system for vehicle-road collaboration includes a number of intelligent road nodes 1, vehicle-mounted nodes 2, and intelligent roadside nodes 3. Intelligent road node 1 is a micro device with wireless communication function, installed on the center line of the road surface. The nodes are laid out in a chain topology, relaying information, and transmitting vehicle speed and traffic flow information to the vehicle node 2 through WIFI wireless communication technology. And intelligent roadside node 3; vehicle-mounted node 2 is a vehicle carrying an intelligent terminal, which can wirelessly receive the vehicle speed and traffic flow information transmitted by intelligent road node 1 to realize information interaction; intelligent roadside node 3 is A wireless relay node with WIFI communication function, installed at the edge of the road, can wirelessly receive the vehicle speed and traffic flow infor...
Example Embodiment
[0021] Example 3
[0022] Such as Figure 4 As shown, the wireless node transmission system for vehicle-road collaboration includes several intelligent road nodes 1, vehicle-mounted nodes 2, and intelligent roadside nodes 3. Intelligent road node 1 is a micro device with wireless communication function, installed at the edge of the road. The nodes are arranged in a chain topology and relay information. Through Zigbee wireless communication technology, traffic flow, time occupancy, vehicle speed, vehicle type and other information are transmitted to Vehicle-mounted node 2 and intelligent roadside node 3; vehicle-mounted node 2 is a vehicle carrying an intelligent terminal. It can wirelessly receive traffic flow, time occupancy rate, vehicle speed, vehicle type and other information transmitted by intelligent road node 1 to realize information The intelligent roadside node 3 is a wireless relay node with Zigbee communication function. It is installed at the edge of the road. It ca...
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