A regional traffic situation awareness method based on fog computing
A situational awareness and fog computing technology, applied in the field of traffic situational awareness in the Internet of Vehicles, can solve problems such as large processing delay, clustered vehicle motion conflicts, etc., to achieve the effect of improving decision speed, safety and road traffic efficiency.
Active Publication Date: 2020-12-22
NANTONG UNIVERSITY +1
View PDF11 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
At present, the traffic situation awareness method mainly uses vehicle trajectory prediction or cloud computing to compromise the processing delay and real-time performance indicators of massive traffic status messages, but the trajectory prediction method only processes a single vehicle movement status information, and there is a potential cluster vehicle movement conflict.
Cloud computing can process the movement status information of cluster vehicles, but there is a huge processing delay
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0041] The technical scheme of the present invention is further described in conjunction with specific embodiments and accompanying drawings.
[0042] In this embodiment, in the fog node communication area, it is assumed that each vehicle traveling in the same direction on two lanes periodically uploads traffic status messages containing traffic spatiotemporal characteristic parameters to the fog node, and receives traffic situation messages broadcast by the fog node. In the Internet of Vehicles, the vehicle is equipped with a positioning system and a vehicle communication device supporting 5G communication functions, and the specific process of implementing the method of the present invention is as follows:
[0043] Step 1) Establish a fog computing layer through the computing power of 5G edge node eNBs, and build a regional cluster communication model, see figure 1 , in the communication area where eNBs are fog nodes, vehicles periodically upload traffic status messages to f...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention provides a regional traffic scene perception method based on fog calculation. The method comprises the following steps of 1) building a regional cluster communication model; 2) calculating a regional traffic scene associated parameter subset; 3) calculating a regional traffic situation parameter subset; and 4) performing regional traffic scene reasoning: calculating a regional traffic situation by adopting fusion rules of a D-S fusion method through a fog node, estimating a regional traffic scene, and providing a reference for selecting an optimal motion state for a vehicle. Themethod has the beneficial effects that a state message of the same traffic scene is selected by applying a linear superposition property of a Cauchy equation, so that the message relevance judgment speed is increased; and the traffic situation is estimated by applying the D-S fusion method, and the regional traffic scene is perceived in real time, so that the regional traffic safety and the road passing efficiency are comprehensively improved.
Description
technical field [0001] The invention relates to intelligent traffic technology, in particular to a traffic situation awareness method in the Internet of Vehicles. Background technique [0002] Internet of Vehicles (IoV) is the integration of wireless communication technology and transportation network. It is a typical application of the Internet of Things in the field of transportation. It is also the demand for the evolution of autonomous driving and the potential growth point of mobile network services. Autonomous driving is the trend of traffic development. It is an intelligent traffic application with high mobility, complex road conditions, and high requirements for traffic safety. It needs information and data support from vehicle sensors in perception, transmission, and control. The fifth generation mobile communication network (5th Generation, 5G) is the integration of various new wireless access technologies and the mobile Internet. It has the characteristics of high...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): G08G1/09G08G1/0967G06Q50/26
CPCG06Q50/265G08G1/093G08G1/096791
Inventor 邱恭安包志华张士兵金丽吉晓东季晨王慧玲
Owner NANTONG UNIVERSITY