Two-stage bidirectional prediction data acquisition method based on underwater edge equipment

A two-way prediction and data acquisition technology, applied in advanced technology, electrical components, transmission systems, etc., can solve the problems of unable to deliver data to the cloud layer in time, weak computing power of underwater nodes, and small storage energy, so as to reduce energy consumption , timely response, and the effect of reducing computing pressure

Active Publication Date: 2019-12-20
HUAQIAO UNIVERSITY
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Problems solved by technology

First, the general prediction model is generally applied to land wireless sensor networks, and there are few researchers who combine prediction algorithms with underwater sensor networks. Therefore, it is impossible to analyze th...

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  • Two-stage bidirectional prediction data acquisition method based on underwater edge equipment
  • Two-stage bidirectional prediction data acquisition method based on underwater edge equipment
  • Two-stage bidirectional prediction data acquisition method based on underwater edge equipment

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Embodiment Construction

[0042] The present invention will be further described below through specific embodiments.

[0043]Edge computing plays an important role in reducing the burden of cloud computing, so some computing tasks can be shifted from the centralized cloud to the edge. Construct the bottom-edge-cloud data acquisition structure, in order to meet the computing power of different underwater nodes, use the mobile nodes at the edge layer to build a two-level prediction algorithm, that is, use the underwater robot AUV to predict future data based on historical information, in order to reduce Underwater acoustic communication and huge energy consumption. At the same time, the two-way prediction method is adopted, and each prediction is carried out by the transmitter and the collector at the same time, and the transmitter node contains the collected value and the predicted value, which ensures the accuracy of the predicted value.

[0044] see figure 1 Underwater two-level two-way prediction d...

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Abstract

The invention discloses a two-stage bidirectional prediction data acquisition method based on underwater edge equipment, and the method comprises the steps: transferring calculation from a centralizedcloud layer to a distributed edge layer, and constructing a bottom layer-edge-cloud three-layer data collection mode; historical information-based analysis and data prediction are carried out by utilizing the mobility and computing power of the underwater edge equipment, so that sound wave communication is effectively reduced on the premise of ensuring accurate data transmission, and the energy consumption of the sensor is reduced. By considering the differentiation capability of heterogeneous equipment, different prediction algorithms are adopted for two layers of nodes of an edge layer anda bottom layer, and an underwater data collection process is converted into a two-stage bidirectional data prediction process. The method can be applied to an underwater sensor network data collectionmechanism.

Description

technical field [0001] The invention relates to the field of data collection in underwater sensor networks, in particular to a two-stage bidirectional predictive data acquisition method based on underwater edge devices. Background technique [0002] In recent years, due to the wide application of underwater wireless sensor networks in marine energy survey, environmental index detection, military surveillance and marine disaster event monitoring, it has received extensive attention at home and abroad. The technologies of underwater surveying and other applications are advancing with the times, and the types of data detected are becoming more and more complicated, such as underwater temperature, salinity, oxygen content, pH, CO 2 , P and other elemental substance concentrations, the collected data values ​​are lengthy and complex. The cost of battery replacement or charging for sensor nodes at the bottom of the ocean is high, and the underwater acoustic wave transmission rate...

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Application Information

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IPC IPC(8): H04W24/00H04W24/06H04B13/02
CPCH04W24/00H04W24/06H04B13/02Y02D30/70
Inventor 王田赵丹蔡绍滨王盼卢煜成柯浩雄
Owner HUAQIAO UNIVERSITY
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