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The method of using evolutionary game to motivate the cooperative forwarding of parked vehicles for analysis and modeling in vanet

A technology of parking vehicles and evolutionary game, which is applied in special data processing applications, instruments, electrical digital data processing, etc., and can solve problems such as non-cooperation of vehicles and energy consumption

Active Publication Date: 2017-05-24
DALIAN UNIV OF TECH
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  • Application Information

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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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  • The method of using evolutionary game to motivate the cooperative forwarding of parked vehicles for analysis and modeling in vanet
  • The method of using evolutionary game to motivate the cooperative forwarding of parked vehicles for analysis and modeling in vanet
  • The method of using evolutionary game to motivate the cooperative forwarding of parked vehicles for analysis and modeling in vanet

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Embodiment Construction

[0131] The following describes the embodiments of the present invention in detail with reference to the technical solution and the drawings.

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

[0133] First: Single-group evolutionary game incentive mechanism

[0134] For roadside vehicles, different parameters are given under the analysis results of SMEGT incentive mechanism. When the roadside vehicles initially only provide multimedia services in a proportion of x equal to 10%, and the difference between cost and benefit p-d is equal to 3 and is fixed, as time goes by, so 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] When the parked ...

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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 field of mobile communication technology, and relates to a method for analyzing and modeling the cooperative forwarding of vehicles parked on the roadside by using the incentive mechanism of the evolutionary game theory in VANET (vehicle ad hoc network). Two methods for constructing evolutionary game models in different scenarios are given. Through the analysis and demonstration of costs and benefits, it can ensure that the vehicles parked on the roadside actively cooperate and forward, and provide multimedia services for other vehicles. Background technique [0002] In VANET, it is a popular way to perform multimedia services through the setting of RSU (Road Side Units), but the RSU setting is expensive, and when the RSU is sparse, the delay cannot be ignored. For this reason, researchers use V2V (Vehicle To Vehicle, vehicle-to-vehicle) communication to provide multimedia services, but the unique characteristics of VANET such a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F19/00H04L29/08
Inventor 吴迪赵鑫
Owner DALIAN UNIV OF TECH