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A blind area coverage method for underwater wireless sensor networks

A wireless sensor and network coverage technology, applied in the field of underwater wireless sensor network blind area coverage, can solve problems such as difficult to formulate global solutions for specific scenarios, uncovered area shapes, different areas, complex underwater environments, etc., to improve blind areas The effect of low coverage and mobile consumption

Active Publication Date: 2017-07-18
NANJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] (1) Ordinary nodes are deployed randomly, and the shapes and areas of uncovered areas vary, making it difficult to formulate a global solution for specific scenarios
[0005] (2) The underwater environment is complex and highly uncertain, and AUV cannot know in advance whether a certain area needs or is suitable for exploration

Method used

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  • A blind area coverage method for underwater wireless sensor networks
  • A blind area coverage method for underwater wireless sensor networks
  • A blind area coverage method for underwater wireless sensor networks

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Embodiment Construction

[0022] The technical scheme of the present invention is described in detail below in conjunction with accompanying drawing:

[0023] Aiming at the deficiencies in the prior art, the present invention proposes a method for covering the blind area of ​​the underwater wireless sensor network, which uses the movement of the autonomous underwater vehicle to collect the monitoring data of the blind area covered by the underwater wireless sensor network. The basic idea of ​​the method is: AUV It is possible to move close to the covered area (or the area that does not need to be covered), which is conducive to shortening the moving path, improving coverage efficiency, and reducing energy consumption.

[0024] The technical solution of the present invention is described below by taking a plane area as an example. The method specifically includes the following steps:

[0025] Step 1. First, grid the water area of ​​the blind area to be covered (the area not yet covered by the sensor nod...

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Abstract

The invention discloses a blind area covering method of an underwater wireless sensor network, which belongs to the technical field of underwater wireless sensor networks. This method uses the movement of autonomous underwater vehicles to collect the monitoring data of the coverage blind area of ​​the underwater wireless sensor network. The distance between the grid center and the vertex is equal to the coverage radius of the autonomous underwater vehicle; then each grid is traversed with an appropriate strategy, so as to realize the data collection of the blind area. The algorithm overcomes the problems of complex and unknown underwater environment, diverse coverage scenarios and difficulty in reliable coverage, and at the same time minimizes the cost of autonomous underwater vehicle path movement.

Description

technical field [0001] The invention relates to a method for covering blind areas of Underwater Wireless Sensor Networks (UWSNs), which uses the movement of an autonomous underwater vehicle (AUV) to collect monitoring data for covering blind areas of underwater wireless sensor networks. The invention belongs to the technical field of underwater wireless sensor networks. Background technique [0002] Underwater wireless sensor network has become a research hotspot. As the extension form and expanded application of wireless sensor network, it has important application value in the fields of ocean exploration, hydrological monitoring, and ocean mining. Each node of UWSNs can only detect interest data within a certain range around itself, and the sensing range is limited. These nodes are usually randomly deployed by aircraft, ships, etc., and the coverage area has great uncertainty. It is difficult for ordinary sensor nodes to cover all areas, so it is difficult to collect inte...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W16/18H04W16/24H04W84/18
Inventor 刘林峰董银川王念张宁申
Owner NANJING UNIV OF POSTS & TELECOMM
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