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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

Inactive Publication Date: 2016-05-18
王华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But at the same time, there are still many problems that need to be solved urgently, such as the inability of real-time interaction of data information between vehicles; the research on the mechanism of vehicle-mounted human-computer interaction is still in the early stage; the basis of vehicle-vehicle and vehicle-road collaborative communication is lacking

Method used

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  • Chain-type topology wireless communication system for realizing vehicle-infrastructure cooperation
  • Chain-type topology wireless communication system for realizing vehicle-infrastructure cooperation
  • Chain-type topology wireless communication system for realizing vehicle-infrastructure cooperation

Examples

Experimental program
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Effect test

Embodiment 1

[0018] Such as figure 2 As shown, the chain topology wireless communication system realizing vehicle-road coordination 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 in the middle of the road surface of the road, the nodes are arranged in a chain topology, and relay information is transmitted, and the traffic flow, time occupancy rate, queue length and other information are transmitted to the road 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. When driving on the road, it can wirelessly receive information such as traffic flow, time occupancy rate, queue length, etc. transmitted by the intelligent road node 1, and realize information sharing. Interaction; intelligent roadside node 3 is a wir...

Embodiment 2

[0020] Such as image 3 As shown, the wireless node transmission system for realizing vehicle-road coordination 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 on the center line of the road surface of the road, the nodes are arranged in a chain topology, and relay information is transmitted, and the information of vehicle speed and traffic flow is transmitted to the vehicle node 2 through WIFI wireless communication technology and the intelligent roadside node 3; the vehicle-mounted node 2 is a vehicle carrying an intelligent terminal, which can wirelessly receive information on vehicle speed and traffic flow transmitted by the intelligent road node 1 when driving on the road, and realize information interaction; the intelligent roadside node 3 is The wireless relay node with WIFI communication function is installed on the edge o...

Embodiment 3

[0022] Such as Figure 4 As shown, the wireless node transmission system for realizing vehicle-road coordination 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 on the edge of the road, the nodes are arranged in a chain topology, relay information transmission, through Zigbee wireless communication technology, the traffic flow, time occupancy rate, vehicle speed, vehicle type and other information are transmitted to The vehicle-mounted node 2 and the intelligent roadside node 3; the vehicle-mounted node 2 is a vehicle equipped with an intelligent terminal. When driving on the road, it can wirelessly receive information such as traffic flow, time occupancy rate, vehicle speed, and vehicle type transmitted by the intelligent road node 1, and realize information The intelligent roadside node 3 is a wireless relay node with Zigbee communi...

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Abstract

A chain-type topology wireless communication system for realizing vehicle-infrastructure cooperation comprises multiple intelligent road nodes, vehicle-mounted nodes, and intelligent roadside nodes; the multiple intelligent road nodes are mounted on the road surfaces, road edges, or embedded in the road surface layers; the multiple intelligent road nodes in a chain-type topology structure realize information transmission and interaction and transmit information to the vehicle-mounted nodes and intelligent roadside nodes through wireless communication; the vehicle-mounted nodes receive information transmitted by the intelligent road nodes in a wireless mode to realize information interaction; the intelligent roadside nodes are installed at road edges and receive information transmitted by the intelligent road nodes in a wireless mode, and send the information to road infrastructures. According to the invention, the intelligent road nodes are used as central nodes; the node installation positions are diversified and the nodes can be installed on the road surfaces, at the road edges, or embedded in the road surface layers to realize information interaction between vehicle-mounted nodes and intelligent roadside nodes, to realize vehicle-infrastructure communication, and to increase passing through efficiency.

Description

technical field [0001] The invention relates to the technical field of intelligent transportation and wireless communication, in particular to a chain topology wireless communication system for realizing vehicle-road coordination. Background technique [0002] The Vehicle-to-Vehicle Collaborative System is based on multi-disciplinary crossover and multi-data fusion to realize the intelligent perception of road traffic information and the optimal control of the traffic system. (Vehicle to Infrastructure, V2I) information sharing, to achieve a high degree of collaborative development of roads, pedestrians and driving vehicles, the ultimate goal is to make the most effective and optimal allocation of limited traffic resources, to achieve the realization of each traffic system participant Travel safely and achieve the purpose of thoroughly alleviating the current traffic congestion. In the process of realizing the vehicle-road coordination system, data transmission and informat...

Claims

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Application Information

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IPC IPC(8): H04W4/04H04W84/00
CPCH04W4/04H04W84/00
Inventor 王华孟柳
Owner 王华
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