Wireless sensor network survivability evaluation method based on evolutionary game model

A wireless sensor and evolutionary game technology, applied in network topology, wireless communication, data exchange network, etc., can solve problems such as not considering network connectivity and selfish nodes

Inactive Publication Date: 2017-09-26
TIANJIN UNIV
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Problems solved by technology

However, this literature only considers the cooperation of network nodes, and does not consider the existence of selfish nodes, nor does it consider the connectivity of the network

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  • Wireless sensor network survivability evaluation method based on evolutionary game model
  • Wireless sensor network survivability evaluation method based on evolutionary game model
  • Wireless sensor network survivability evaluation method based on evolutionary game model

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Embodiment Construction

[0050] The present invention will be further described in detail below through the specific examples, the following examples are only descriptive, not restrictive, and cannot limit the protection scope of the present invention with this.

[0051] A method for assessing the survivability of a wireless sensor network based on an evolutionary game model, comprising the following steps:

[0052] (1) Model selection, including wireless sensor network model, attack model, and epidemic model;

[0053] ⑵Establish a survivability model;

[0054] (3) Evaluate the survivability of wireless sensor network through evolution dynamics analysis.

[0055] Among them, in the model selection of step (1),

[0056] The present invention considers that the clustered wireless sensor network model includes N static sensor nodes. There are three types of nodes in this model: base station, cluster head node and terminal sensor node. The terminal sensor node is responsible for sensing and collecting...

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Abstract

The invention relates to a wireless sensor network survivability evaluation method based on an evolutionary game model. The method comprises the following steps of (1), performing model selection from a wireless sensor network model, an attacking model and an epidemic disease model; (2), establishing a survivability model; and (3) evaluating wireless sensor network survivability through evolution dynamics analysis. According to the method of the invention, an influence which is generated by network survivability is analyzed through connectivity of a network cluster head node; the epidemic disease model based on the attack is established by a node attack bearing problem; then a survivability evaluation model based on evaluation gaming is established; a dynamic process is selected by means of a strategy of copying a dynamic equation researching node; an evolution stabilization strategy which is selected by the node strategy is searched; and when the survivability evaluation model for the attacked network reaches an evaluation stable state, performance indexes such as connectivity and stability are used as network survivability evaluation mechanisms, and furthermore verification is performed.

Description

technical field [0001] The invention belongs to the field of wireless sensor networks and relates to mathematical modeling, in particular to a method for evaluating the survivability of wireless sensor networks based on an evolutionary game model. Background technique [0002] With low-cost, low-power consumption, and multi-functional network characteristics, wireless sensor networks are gradually considered as a powerful tool for monitoring physical events. With the advancement of attack technology, the occurrence of malicious attacks is always inevitable; at the same time, system component failures and unexpected accidents also have a great impact on the normal operation of the network system, so the survivability assessment of wireless sensor networks become the focus of research. [0003] At present, there are some documents that study the survivability of wireless sensor networks, and some documents related to the content of this patent are listed below. [0004] Shen...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04W40/32H04W84/18
CPCH04L41/145H04W40/32H04W84/18
Inventor 李冬辉王艺琳
Owner TIANJIN UNIV
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