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Road information sharing method based on mobile terminal ad hoc network

A mobile ad hoc network and mobile terminal technology, applied in the field of information sharing, can solve problems such as difficulty in vehicle information exchange, and achieve the effects of convenient driving strategy adjustment, high real-time performance, and reduced construction costs

Active Publication Date: 2016-03-09
XIAN UNIV OF TECH
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Problems solved by technology

[0003] The purpose of the present invention is to provide a road information sharing method based on the mobile terminal ad hoc network, which solves the problem of difficult information exchange between vehicles on the existing road

Method used

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  • Road information sharing method based on mobile terminal ad hoc network

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Embodiment Construction

[0024] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0025] The present invention is a road information sharing method based on mobile terminal ad hoc network, the process is as follows figure 1 As shown, the specific steps are as follows:

[0026] Step 1: Convert the map into a topological map; group vehicles according to the topological map and the current vehicle driving status, and construct multiple mobile ad hoc networks in local areas, specifically:

[0027] Step 1.1: Use nonlinear transformation technology to zoom in, zoom out, and translate the map, establish a data model on the basis of protecting the sensitive information of the map and clarify the spatial relationship in the map, and finally convert the vector map into a corresponding topological map, A topological map is an abstract representation of the geometric characteristics of geographic elements, such as a road can be abstr...

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Abstract

The present invention discloses a road information sharing method based on a mobile terminal ad hoc network, comprising: a step 1 in which a map is converted into a topological graph, vehicles are grouped according to the topological graph and driving states of the current vehicles, and a plurality of mobile ad hoc networks within a local scope are constructed; and a step 2 in which in the scope of the mobile ad hoc networks, the front vehicle acquires real-time road condition information and shares the real-time road condition information to the rear vehicles through a mobile terminal, and the rear vehicles adjust driving strategies according to the road condition information. The road information sharing method of the present invention achieves sharing of information among the vehicles within the mobile ad hoc networks, reduces traffic accident rate, greatly reduces construction cost, enables a driver to adjust the driving strategy according to the front road condition conveniently, has no need for a cloud server, and is high in real-time performance.

Description

technical field [0001] The invention belongs to the technical field of information sharing, and in particular relates to a road information sharing method based on an ad hoc network of mobile terminals. Background technique [0002] According to the data of the World Health Organization, the death rate of traffic accidents in my country has reached the first place in the world in recent years. In daily life, existing vehicle safety technologies (including passive safety technology and active safety technology) cannot avoid traffic accidents well in harsh environments such as night, smog, rain and snow, and under sheltered conditions. Therefore, it is necessary to change new thinking, combine new technologies, and adopt new models to comprehensively perceive roads and traffic, ensure users' driving safety, and realize the safe and efficient operation of people, cars, and traffic facilities. With the rapid development of mobile communication technology, the combination of sma...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08G1/01
CPCG08G1/012G08G1/0141
Inventor 李军怀安洋费蓉田巨博王怀军
Owner XIAN UNIV OF TECH
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