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A Cooperative Communication Method Based on Trust Evaluation in Mobile Ad Hoc Networks

A mobile self-organization and cooperative communication technology, applied in network topology, wireless communication, sustainable communication technology, etc., can solve problems such as unfairness and nodes not knowing when to recycle

Active Publication Date: 2018-04-10
NANJING UNIV OF POSTS & TELECOMM
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, in the reputation-based incentive mechanism, there is such a problem: the number of packets forwarded by the cooperative node is more than that sent by the selfish node, and its corresponding reputation value is relatively higher. more, the higher its reputation value, and when a node selects the next hop node, it chooses the node with the highest reputation value. Obviously, the node with a high reputation value has a greater probability of being a relay node, and the energy consumed more and more, which leads to the problem of unfairness
[0014] (2) The entire system only solves one type of attack, that is, does not forward packet attacks
In the mobile ad hoc network environment, the node does not know when to recycle the packet, so its default working state is idle

Method used

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  • A Cooperative Communication Method Based on Trust Evaluation in Mobile Ad Hoc Networks
  • A Cooperative Communication Method Based on Trust Evaluation in Mobile Ad Hoc Networks
  • A Cooperative Communication Method Based on Trust Evaluation in Mobile Ad Hoc Networks

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Experimental program
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Effect test

Embodiment 1

[0078] Trust Collaboration Methodology Implementation

[0079] We combine the proposed trust evaluation model with the DSR (Dynamic Source Routing) protocol in the mobile ad hoc network to verify the correctness and effectiveness of the trust evaluation model, and thus obtain a fair and safe DSR routing protocol based on Bayesian trust estimation FST-DSR (Fair Security Trusted DSR), the framework of the agreement is as follows figure 2 shown. How this trust model works and how trust changes as described in figure 2 The process shown proceeds:

[0080] Step 1: The monitoring module monitors the neighbor nodes, updates the historical behavior record information, and estimates its energy consumption. The historical behavior only records the packet forwarding situation of the node within a period of time.

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Abstract

The invention provides a cooperative communication method based on trust evaluation for a mobile ad hoc network. A safety touting protocol based on Bayes trust and rest energy combination is designed by integrating a trust concept in a social network into the ad hoc network and combining a calculated trust value and node available energy, selfish behaviors of nodes in the network are effectively solved, and meanwhile a number of common types of network attack behaviors can be effectively resisted. A trust value computing method is simple and does not occupy excessive computing resources.

Description

technical field [0001] The invention relates to a node cooperative communication method based on a local trust degree and a security recommended trust model, and belongs to the technical field of cooperative communication of a mobile ad hoc network. Background technique [0002] Mobile Ad hoc network (MANET) is an independent system with mobile hosts (nodes) connected by wireless links. The establishment of such a network does not require the support of any type of existing fixed infrastructure. Mobile Ad Hoc Network is a distributed network whose topology is constantly changing. These characteristics have brought many challenges to wireless ad hoc networks. Since such a network does not have infrastructure such as base stations or access points, when nodes are not within the communication range of each other, it is necessary to rely on cooperative forwarding of intermediate nodes to achieve multi-hop communication. Due to the energy limitation of the Ad hoc network, info...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W40/02H04W12/12H04W12/00H04W84/18
CPCY02D30/70
Inventor 胡海峰刘兴贵王堃暴建民
Owner NANJING UNIV OF POSTS & TELECOMM
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