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Mobile sink data collection method for wireless sensor network based on dynamic estimation of data value

A wireless sensor network and data collection technology, applied in the field of sensor networks, can solve the problems of wasting network resources, not considering the time-space correlation of data, shortening the network declaration period, etc., to achieve the effect of reducing waste and prolonging the declaration period

Active Publication Date: 2018-07-24
NORTHWEST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Most of the data research on mobile sinks focuses on how to reduce the data collection delay of sink nodes, but the time-space correlation of data is not considered when collecting data, so the collected data has a large similarity, so it is wasted network resources thereby shortening the life cycle of the network

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  • Mobile sink data collection method for wireless sensor network based on dynamic estimation of data value
  • Mobile sink data collection method for wireless sensor network based on dynamic estimation of data value
  • Mobile sink data collection method for wireless sensor network based on dynamic estimation of data value

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Embodiment 1

[0058] The present invention provides a wireless sensor network mobile sink data collection method based on data value dynamic estimation, the wireless sensor network mobile sink data collection method based on data value dynamic estimation, such as figure 1 shown, including:

[0059] 11. Construct a sensing network including sensing nodes and server sites, determine the location information of the sensing nodes in the sensing network, and collect historical data of the sensing network within a preset time;

[0060] 12. Make the sink node sort the sensing nodes according to the position information of the sensing nodes, and perform sensing detection on the sensing nodes in turn according to the sorting result;

[0061] 13. Determine the accuracy of data perception, and construct a data spatial distribution map in combination with the historical data;

[0062] 14. Make the sink node determine a data collection sequence for the sensing nodes in the sensing network according to ...

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Abstract

The invention discloses a wireless sensor network mobile sink data collection method based on dynamic estimation of data value, and belongs to the field of sensor networks. The invention includes constructing a data spatial distribution diagram in combination with the historical data, and determining the data collection sequence for the sensing nodes in the sensing network based on the data spatial distribution diagram, so that the sink node is configured according to the data The collection sequence completes data collection of the sensing nodes in the sensing network. By constructing a data spatial distribution diagram, the spatiotemporal correlation of data is included in the considerations of sink nodes for data collection, thereby avoiding the possibility that the collected data will not be able to obtain objective results due to large similarities in the collected data, and reducing the use of network resources. Waste, prolonging the life cycle of the network.

Description

technical field [0001] The invention belongs to the field of sensor networks, in particular to a mobile sink data collection method of a wireless sensor network based on dynamic estimation of data value. Background technique [0002] Wireless sensor networks are now widely used in environmental monitoring, underwater monitoring, wildlife protection, building health monitoring and monitoring reports on large ancient sites. Data collection is one of the most important tasks of these applications. There is a big difference between the long-term monitoring of large-scale earthen sites in the field using wireless sensor networks and general-purpose scenarios. First of all, large-scale earthen sites in the wild generally exist in areas far from cities, with the characteristics of large coverage and complex geographical environment. If the method based on multi-hop forward is used, it is easy to cause energy holes, which greatly shortens the life cycle of the network. Secondly, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W84/18
CPCH04W84/18
Inventor 李伟王亮崔文龚晓庆陈晓江汤战勇刘晨王安文郭军
Owner NORTHWEST UNIV
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