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Adaptive relay configuration method in vehicle-mounted opportunity network

A configuration method and self-adaptive technology, applied in vehicle parts, vehicle-to-vehicle communication, vehicle wireless communication services, etc., can solve problems such as low network performance and random movement, and achieve the effect of improving network performance

Active Publication Date: 2019-08-02
NORTHWESTERN POLYTECHNICAL UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The adaptive relay configuration method based on location relationship can not only solve the problem of network resource consumption, but also solve the problem of random movement of vehicles, and solve the problem of low network performance of vehicles through adaptive selection of relays

Method used

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  • Adaptive relay configuration method in vehicle-mounted opportunity network
  • Adaptive relay configuration method in vehicle-mounted opportunity network
  • Adaptive relay configuration method in vehicle-mounted opportunity network

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Embodiment Construction

[0046] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0047] An embodiment of the present invention provides an adaptive relay configuration method in a vehicle-mounted opportunistic network, see figure 1 ,Proceed as follows:

[0048] Step 1: Construct a vehicle-mounted opportunistic network model, which includes a source vehicle node, R roadside unit (Road Side Unit, RSU) nodes and N vehicle nodes, except for the source node, any other nodes are Can be a relay node;

[0049] The vehicle-mounted opportunistic network model includes 1+R+N communication nodes, and the roadside unit node is the roadside infrastructure, which can transmit data with the vehicle;

[0050] Step 2: Based on the in-vehicle opportunistic network model in step 1, construct a release information model and a receive information model between communication nodes;

[0051] Assuming that the time required to establish a communication c...

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Abstract

The invention provides an adaptive relay configuration method in a vehicle-mounted opportunity network. The method comprises the following steps of building an information release model and an information receiving model between the communication nodes in a vehicle-mounted opportunity network model, and calculating a position relation and a transmission probability between the communication nodesbased on the information release model and the information receiving model between the communication nodes, thereby building various communication node relay configuration methods, and performing simulation and verification. According to the method, the communication opportunity can be fully utilized, the most appropriate relay forwarding node is selected to improve the network performance of thevehicle-mounted opportunity network, and compared with an existing mechanism, the method can effectively improve the success rate of data transmission and reduce the transmission delay.

Description

technical field [0001] The invention relates to the field of vehicle network communication, in particular to a relay configuration method. Background technique [0002] Vehicular Opportunistic Networks (VON) is a networking method that can be used in environments where communication connections are often interrupted. Its biggest feature is that it can maintain communication between the source and the destination even if there is no complete transmission path communication. The essence of the vehicular opportunistic network is to use the communication opportunities generated by the movement of vehicles to realize the communication between vehicles in the "storage-carry-forward" routing mode. This new networking method is very different from the traditional network communication mode. , One of the emerging technologies with the greatest potential. [0003] Due to the randomness of communication connections between vehicles, the network performance of vehicle opportunistic ne...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W40/18H04W40/20H04W40/22H04W4/02H04W4/44H04W4/46
CPCH04W40/18H04W40/20H04W40/22H04W4/46H04W4/44H04W4/026H04W4/027
Inventor 陈曦何亦昕黄方慧杨萌哈桑杨畅宋哲翟琪
Owner NORTHWESTERN POLYTECHNICAL UNIV
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