Wireless sensor network data aggregation algorithm

A wireless sensor and network data technology, applied in the field of communication, achieves the effect of high reconstruction quality, less number of packets sent, reduced number of packets sent and energy consumption of nodes

Active Publication Date: 2019-04-05
HENNAN ELECTRIC POWER SURVEY & DESIGN INST
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Problems solved by technology

[0003] There are many public reports at home and abroad on the algorithm of compressing node data by Compressed Sensing (CS) and transmitting data by Projection Regeneration Coding (RC), but designing an adaptive Energy-aware routing metrics, combined with CS, RC and space-time clustering algorithms for innovative development of wireless sensor network node data aggregation, has not yet been publicly reported

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Embodiment Construction

[0043] A data aggregation algorithm for wireless sensor networks. The algorithm is composed of a space-time clustering algorithm and an adaptive energy-aware neighbor-assisted projection regeneration coding method. The space-time clustering algorithm is used to construct a clustered network structure, and the adaptive energy-aware neighbor-assisted projection regeneration coding method The method is used for temporal and spatial linear projection, spatial regeneration transmission and inter-cluster projection regeneration data fusion for each sensor node data.

[0044] The space-time clustering algorithm adopts the free space communication method, analyzes the energy consumption of network nodes based on the WSN monitoring area, the number of nodes deployed, and the sparsity of the projection coding kernel, determines the optimal number of clusters, and builds a space-time joint clustering network structure; The spatio-temporal clustering algorithm constructs a more balanced nu...

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Abstract

The invention discloses a wireless sensor network data aggregation algorithm, which is characterized in that the algorithm is formed by a space-time clustering algorithm and an adaptive energy-aware neighbor-assisted projection regeneration coding method. The algorithm provided in the invention uses the space-time clustering algorithm to build a clustering-type network structure, and by using theadaptive energy-aware neighbor-assisted projection regeneration coding method based on projection regeneration coding, energy-aware routing metric and an inter-cluster neighbor assistant mechanism, data of each sensor node are compressed, transmitted, merged and aggregated. The algorithm provided in the invention balances data compression gains, aggregation efficiency and energy consumption for compression, aggregation and storage of data in the network, the problem of energy consumption of a large-scale wireless sensor network node is solved, and the network security, the reliability and thestability are ensured.

Description

technical field [0001] The invention belongs to the communication field, and in particular relates to a wireless sensor network data aggregation algorithm. Background technique [0002] Wireless Sensor Networks (WSN), as a distributed sensor network, is one of the three major information technologies of the third industrial revolution "computer technology revolution", widely used in environmental monitoring, traffic monitoring, medical monitoring, military surveillance etc. With the development of WSN technology and services, various types of sensor nodes in China have become integrated, miniaturized, and dense, and the requirements for node deployment, linking, and data aggregation and processing are getting higher and higher. Large-scale sensor nodes in the network will consume huge power. How to reduce the energy consumption of nodes and prolong the life cycle of nodes has always been a hot issue in WSN research. [0003] There are many public reports at home and abroad...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/38H04W28/06H04W40/02H04W40/10H04W40/20H04W40/32H04W84/18H04L12/715
CPCH04L45/46H04W28/06H04W40/02H04W40/10H04W40/20H04W40/32H04W84/18H04W4/38Y02D30/00Y02D30/70
Inventor 庄园司文豪黄殿勋
Owner HENNAN ELECTRIC POWER SURVEY & DESIGN INST
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