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Underwater wireless sensor network trust updating method based on AHP

A wireless sensor and update method technology, applied in the field of Internet of Things security, to achieve the effect of convenient dynamic update and accurate comprehensive trust degree

Active Publication Date: 2020-09-11
HOHAI UNIV CHANGZHOU
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

There is a certain degree of difficulty in dealing with complex and diverse trust evidence underwater

Method used

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  • Underwater wireless sensor network trust updating method based on AHP
  • Underwater wireless sensor network trust updating method based on AHP
  • Underwater wireless sensor network trust updating method based on AHP

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Embodiment Construction

[0048] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0049] The application principle of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0050] Such as figure 1 As shown, a trust update method in an AHP-based underwater wireless sensor network includes the following steps: (1) Initialize node trust levels and divide node trust attributes.

[0051] (2) Select the trust evidence according to the trust attribute, and construct the trust hierarchy model of the underwater wireless sensor network based on AHP.

[0052] (3) Construct a judgment matrix of trust attributes and trust evidence, and conduct a consistency check. I...

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Abstract

The invention discloses an underwater wireless sensor network trust updating method based on an AHP, and the method comprises the four steps: 1, selecting trust attributes, and initializing a node trust level; 2, selecting trust evidences according to trust attributes, and establishing an underwater wireless sensor network trust mechanism hierarchical structure model based on an AHP algorithm; 3,constructing a judgment matrix of trust attributes and trust evidences, performing consistency check, and if the consistency check is passed, constructing a trust degree vector and a multi-dimensionaltrust degree matrix; and 4, constructing a time weight matrix, obtaining a multi-dimensional weight matrix, calculating a comprehensive trust level in combination with the multi-dimensional trust degree matrix, and judging and updating the node trust level according to the comprehensive trust level. According to the invention, the comprehensive trust level of the node can be effectively calculated and updated, so that the security of the underwater wireless sensor network is ensured.

Description

technical field [0001] The invention belongs to the security field of the Internet of Things, and in particular relates to a trust update method in an AHP-based underwater wireless sensor network. Background technique [0002] With the rapid development and wide application of computer network technology and communication technology (broadband technology, wireless technology, etc.), network security issues have become increasingly prominent. In recent years, some scholars at home and abroad have begun to introduce trust means to network security issues, and have achieved some preliminary results. Trust provides a new idea for solving access control problems in open dynamic networks. The trust model plays an important role in resisting internal attacks, identifying malicious nodes, selfish nodes, and low-competitive nodes. It can be applied to research on secure routing, secure positioning, and data fusion to improve system security and reliability. sex and fairness. [000...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W12/00H04W12/08H04W84/18
CPCH04W12/009H04W12/08H04W84/18Y02D30/70
Inventor 江金芳朱薪宇韩光洁
Owner HOHAI UNIV CHANGZHOU
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