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A method for establishing a trust model in an underwater sensor network

An underwater sensor and trust model technology, applied in network topology, wireless communication, electrical components, etc., can solve the problems of high energy consumption and large storage space of the trust model

Active Publication Date: 2014-03-05
HOHAI UNIV CHANGZHOU
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Problems solved by technology

Since each node needs to keep monitoring all tasks of neighbor nodes at all times, this trust model consumes a lot of energy, and needs to record the trust values ​​of different tasks, which takes up a lot of storage space

Method used

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  • A method for establishing a trust model in an underwater sensor network
  • A method for establishing a trust model in an underwater sensor network
  • A method for establishing a trust model in an underwater sensor network

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Embodiment Construction

[0048] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0049] Such as figure 1 As shown, the method for establishing a trust model in an underwater sensor network, the steps include:

[0050] Step 1: Calculate the trust value of the sensor node. If a certain sensor node a needs to know the trust value of another sensor node b, define node a as the requesting node and node b as the target node. The requesting node a first queries its neighbors Whether there is the ID information of the target node b in the list, and determine the neighbor relationship,

[0051] Such as figure 2 As shown in (a), 1 indicates direct trust, 2 indicates recommendation request, and 3 indicates recommendation trust. If the requesting node a and the target node b are neighbor nodes, the requesting node a counts the number of historical communications between the two nodes n,

[0052] If the number of communications n b...

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Abstract

The invention relates to a method for establishing a trust model in an underwater sensor network. The method comprises steps: using a request node to perform neighbor relation determination on a target node and establishing direct trust according to data communication between the request node and the target node and the residual energy of the target node; requesting recommend trust from a common neighbor of the request node and the target node if the number of the historical communication information interaction between the request node and the target node is insufficient, and further calculating the trust value of the target node; selecting a multi-hop neighbor node to perform trust calculation if the request node and the target node are not neighbor nodes; and achieving trust assessment of the node for sensing data on the basis of node trust calculation and updating the trust value of the sensor node. The method may update the trust value of the sensor node and prevent problems of trust transmission and trust combination under the circumstance of existence of multiple recommend paths. In cooperation with sensing data trust calculation, the method achieves high precision of node trust calculation and has a wide application value.

Description

technical field [0001] The invention relates to a method for establishing a trust model in an underwater sensor network, and belongs to the technical field of trust management of the underwater sensor network. Background technique [0002] In recent years, underwater sensor networks have been widely used in coastal defense, underwater exploration, underwater detection and surveillance and other fields. With the increasing complexity of underwater sensor network applications, its security requirements are also diverse. Traditional security mechanisms based on cryptographic systems are mainly used to resist external attacks, and cannot effectively solve internal attacks due to node capture. Moreover, due to the limited capabilities of sensor nodes, security measures based on symmetric cryptographic algorithms are often used in the network. When a node is captured, it is easy to leak secret information. If the captured node cannot be identified in time, the entire network will...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W12/00H04W84/18H04W12/37
Inventor 江金芳韩光洁张晨语江旭朱川钱爱华沈家伟
Owner HOHAI UNIV CHANGZHOU
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