Telematics network node screening and accessibility routing construction method based on self-encoding network

A self-encoding network and network node technology, applied in the direction of electrical components, transmission systems, etc., can solve problems such as no complex data processing

Active Publication Date: 2016-01-13
TONGJI UNIV
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Problems solved by technology

At present, there is no effective method for processing complex ...

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  • Telematics network node screening and accessibility routing construction method based on self-encoding network
  • Telematics network node screening and accessibility routing construction method based on self-encoding network
  • Telematics network node screening and accessibility routing construction method based on self-encoding network

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Embodiment Construction

[0133] (Case)

[0134] In the actual Internet of Vehicles network, the Internet of Vehicles network nodes contain a wealth of information, but due to limited related technologies such as sensors, only part of the data in the network nodes can be obtained, and the extracted data can contain the information characteristics of the current network.

[0135] The invention divides the types of nodes in the Internet of Vehicles network into three categories, vehicle nodes, mobile phone mobile terminals, roadside infrastructure and base stations. For the vehicle node, we can get the vehicle driving direction d i , Travel speed v i , Acceleration a i , Latitude and longitude lon i And lat i , On the road r i ; For mobile phone mobile terminals, we can treat them as low-speed vehicles, and obtain information such as the speed, direction, latitude and longitude of the terminal; while roadside infrastructure and base stations are generally fixed at a certain point, which can be regarded as spee...

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Abstract

The invention relates to the technical field of telematics, and provides a telematics network node screening and accessibility routing construction method based on a self-encoding network. The entire routing mechanism comprises data preprocessing, self-encoding network training and node screening algorithm realization. The self-encoding network can provide a high-dimensional continuous data space and bidirectional mapping of a low-dimensional nested structure. The self-encoding network can be used to excavate and extract the related characteristics of node information in a large-scale road transport network. Dimension lowering is carried out on original information. The amount of data in a data transmission process is reduced. An effective way is provided for screening key nodes in the network. According to the invention, a great node screening method is provided for a highway scene, and the network performance is effectively improved.

Description

Technical field [0001] The invention relates to the technical field of Internet of Vehicles. Background technique [0002] The Internet of Vehicles uses advanced sensor technology and network technology and other high-tech cutting-edge technologies, through the transmission of information between vehicles and vehicles, vehicles and roadside infrastructure, and vehicles and users, to realize the data exchange under the large-scale heterogeneous network of the Internet of Vehicles. Real-time interaction. The car networking system structure is mainly composed of three parts: car body domain, physical space domain and information space domain. [0003] (1) The car body domain, which is mainly composed of various sensors and terminal nodes in the car to form a small car body network to obtain information in the car and real-time information of neighboring vehicles; [0004] (2) The physical space domain is mainly composed of various networks in the physical environment, including differ...

Claims

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Application Information

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IPC IPC(8): H04L29/08
CPCH04L67/12
Inventor 蒋昌俊程久军闫春钢
Owner TONGJI UNIV
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