Wireless sensor network mobile sink data collection method based on data value dynamic estimation

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

Active Publication Date: 2015-12-09
NORTHWEST UNIV(CN)
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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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  • Wireless sensor network mobile sink data collection method based on data value dynamic estimation
  • Wireless sensor network mobile sink data collection method based on data value dynamic estimation
  • Wireless sensor network mobile sink data collection method based on data value dynamic estimation

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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 data value dynamic estimation, and belongs to the field of sensor networks. The method comprises the steps that a data spatial distribution graph is constructed through combination of historical data; data collection order of sensing nodes in a sensing network is confirmed according to the data spatial distribution graph; and a sink node is enabled to complete data collection of the sensing nodes in the sensing network according to the data collection order. The data spatial distribution graph is constructed and time and space correlation of the data is taken into the sink node to be the consideration factor of data collection so that possibility that an objective result cannot be obtained later due to high similarity of the acquired data can be avoided, waste of network resources can be reduced and the statement period of the network can be prolonged.

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-hopforward is used, it is easy to cause energy holes, which greatly shortens the life cycle of the network. Secondly, l...

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Application Information

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Patent Type & Authority Applications(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(CN)
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