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Method for stimulating parked vehicles for cooperative retransmission to perform analysis modeling by using evolutionary game theory in vehicle ad hoc network (VANET)

A technology of parking vehicles and evolutionary games, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as energy consumption and vehicles not cooperating

Active Publication Date: 2015-03-11
DALIAN UNIV OF TECH
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  • Description
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AI Technical Summary

Problems solved by technology

This does not take into account the energy cost of a parked vehicle providing service and receiving messages, and it is this cost that may cause the vehicle to be uncooperative

Method used

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  • Method for stimulating parked vehicles for cooperative retransmission to perform analysis modeling by using evolutionary game theory in vehicle ad hoc network (VANET)
  • Method for stimulating parked vehicles for cooperative retransmission to perform analysis modeling by using evolutionary game theory in vehicle ad hoc network (VANET)
  • Method for stimulating parked vehicles for cooperative retransmission to perform analysis modeling by using evolutionary game theory in vehicle ad hoc network (VANET)

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Embodiment Construction

[0131] Embodiments of the present invention will be described in detail below in combination with technical solutions and accompanying drawings.

[0132] It is illustrated by an example that under the method of the present invention, setting appropriate income and cost can ensure that all vehicles will actively cooperate and forward. In the description part of the system model, we know that P>R, d>c.

[0133] First: Single group evolutionary game incentive mechanism

[0134] For roadside parking vehicles, different parameters are given under the analysis results of SMEGT incentive mechanism. When the ratio of x equal to 10% of vehicles parked on the roadside initially provides multimedia services, and the difference p-d between cost and benefit is equal to 3, as time goes by, all parked vehicles will choose strategy 0, such as Figure 7 as shown, Figure 7 It shows that the single-group evolutionary game incentive mechanism in the present invention is effective.

[0135] W...

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Abstract

The invention belongs to the technical technology of mobile communication, and relates to a method of multimedia service in vehicle ad hoc network (VANET) by using roadside parked vehicles. The method is characterized in that a problem of non-cooperation of the parked vehicles is solved by using an evolutionary game theory. According to the method, a system model is divided into two types. The first model is that the parked vehicles are taken as a single group, namely a single-group evolutionary game model. The second model is that the parked vehicles and the running vehicles are taken as two groups, namely a multi-group evolutionary game model. A replicator dynamic equation can be obtained through the evolutionary game theory. Relevant parameters are changed to validate that the simulating mechanism based on the evolutionary game theory is correct. The method has the advantages that it is proved that the simulating mechanism of parked vehicles based on the evolutionary game theory is effective, the replicator dynamic equation is obtained through analytic demonstration to solve an evolutionary stable strategy (ESS), and influencing factors of the ESS are analyzed.

Description

technical field [0001] The invention belongs to the technical field of mobile communication, and relates to a method for analyzing and modeling cooperative forwarding of roadside parked vehicles by using an incentive mechanism of evolutionary game theory in VANET (vehicle Ad Hoc Network, Internet of Vehicles). The method of constructing evolutionary game model in two different scenarios is given, which can ensure that the vehicles parked on the roadside actively cooperate and forward through the analysis and demonstration of costs and benefits, and provide multimedia services for the rest of the vehicles. Background technique [0002] In VANET, it is a popular way to provide multimedia services through the setting of RSU (Road Side Units, Road Side Units), but the setting of RSU is expensive, and in the case of sparse RSU, the delay cannot be ignored. For this reason, researchers provide multimedia services based on V2V (Vehicle To Vehicle, vehicle-to-vehicle) communication,...

Claims

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Application Information

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IPC IPC(8): G06F19/00H04L29/08
Inventor 吴迪赵鑫
Owner DALIAN UNIV OF TECH
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