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Multidimensional Optimal Node Deployment Method for Underwater Wireless Sensor Networks Based on Mesh Division

A sensor node and wireless sensor technology, applied in wireless communication, network topology, network planning, etc., can solve the problems of network coverage efficiency, coverage redundancy, network survival time, node cost, transmission connection efficiency, etc.

Active Publication Date: 2021-02-26
ZHEJIANG UNIV OF TECH
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Problems solved by technology

[0005] In order to overcome the shortcomings of existing underwater wireless sensor network node deployment methods that cannot take into account network coverage efficiency, coverage redundancy, network survival time, node cost, and transmission connectivity efficiency, the present invention provides a network coverage efficiency, coverage redundancy Multi-dimensional optimal node deployment method for underwater wireless sensor network based on grid partitioning based on redundancy, network lifetime, node cost, and transmission connectivity efficiency

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  • Multidimensional Optimal Node Deployment Method for Underwater Wireless Sensor Networks Based on Mesh Division
  • Multidimensional Optimal Node Deployment Method for Underwater Wireless Sensor Networks Based on Mesh Division
  • Multidimensional Optimal Node Deployment Method for Underwater Wireless Sensor Networks Based on Mesh Division

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[0055] The present invention will be further described below in conjunction with the accompanying drawings.

[0056] refer to Figure 1 ~ Figure 4 , a multi-dimensional optimal node deployment method for underwater wireless sensor networks based on mesh division. Since the three-dimensional environment that the underwater sensor network needs to detect is complex and changeable, in order to facilitate the discussion of node deployment issues, the cuboid area that needs to be sensed can be divided into A grid of certain specifications. A cuboid network with a specification of K×M×L can form (K+1)×(M+1)×(L+1) grid points (Grid Node, GN), and each grid point in the network can be label, and the location of the base station is marked as No. 1. It is assumed that when the present invention discusses the optimal deployment of network nodes, sensor nodes can only be deployed at grid points. This is a simplified treatment of continuous problems in the real environment. The finer th...

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Abstract

A multi-dimensional optimal node deployment method for underwater wireless sensor networks based on mesh division. In the node deployment problem of underwater sensor networks, the cuboid area to be sensed is divided into a cuboid network with a specification of K×M×L, and the nodes are deployed Quantity minimization control, calculate the maximum value of network coverage efficiency, control the maximum network transmission connectivity efficiency, control the minimum coverage redundancy of the network, control the survival time of the network as long as possible, solve the mathematical model of multi-objective programming can combine multiple indicators Transform it into a single objective function for calculation to obtain a better deployment strategy. The invention takes into account network coverage efficiency, coverage redundancy, network survival time, node cost, and transmission connection efficiency.

Description

technical field [0001] The invention relates to a node deployment method of an underwater wireless sensor network, especially after considering factors such as network coverage efficiency, coverage redundancy, network survival time, node cost, transmission connection efficiency, etc., based on a genetic algorithm to provide An efficient node deployment method. Background technique [0002] Underwater Wireless Sensor Networks (UWSN) is to deploy nodes with low energy consumption and limited communication distance in designated water areas (sensing areas), and use the self-organization ability of nodes to automatically form a network to analyze information in the sensing area. Collect and complete the corresponding data collection and collation. UWSN has extensive and important uses in marine resource exploration, marine environment monitoring and marine military fields, and has attracted great attention from industry, academia and military circles. [0003] Different from t...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W16/20H04W16/22H04W84/18
CPCH04W16/20H04W16/225H04W84/18
Inventor 周凯孟利民华惊宇徐志江
Owner ZHEJIANG UNIV OF TECH
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