Distributed Data Aggregation Algorithm in Wireless Sensor Networks

被引：0

作者：

Li, Xianli ^{[1
]}

Zhang, Jiawei ^{[2
]}

Zhang, Haitao ^{[1
,3
]}

机构：

[1] Logist Engn Univ, Dept Logist Informat & Mil Logist Engn, Chongqing 401311, Peoples R China

[2] Logist Engn Univ, Natl Engn Res Ctr Disaster & Emergency Rescue Equ, Chongqing 401311, Peoples R China

[3] Logist Engn Univ, Dept Logist Informat & Mil Logist Engn, Chongqing 401311, Peoples R China

来源：

MATERIALS ENGINEERING AND MECHANICAL AUTOMATION | 2014年 / 442卷

基金：

中国国家自然科学基金;

关键词：

Wireless Sensor Networks; Data Aggregation; Lifting Wavelet; Network Lifecycle;

D O I：

10.4028/www.scientific.net/AMM.442.526

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Considering the limited resources and data transmission redundancy of wireless sensor networks, this paper proposes a distributed data aggregation algorithm based on lifting wavelet transform (DDAA-LWT), and carries out the rational design. The algorithm distributes the computing quantity which the lifting wavelet transform requires to all network nodes, eliminates the additional computing and wireless transmission, reduces the information redundancy of network, greatly prolongs the lifecycle of wireless sensor networks. Simulation results demonstrate that the distributed data aggregation algorithm based on lifting wavelet transform (DDAA-LWT) can effectively aggregate the original sensed data and decrease the energy consumption, it significantly outperforms the data aggregation algorithm based on traditional wavelet transform (DAA-WT).

引用

页码：526 / +

页数：2

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