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| 基于小波变换的传感网簇内数据融合方案 | |
| 引用本文： | 张靓,袁野,王玫.基于小波变换的传感网簇内数据融合方案[J].计算机与数字工程,2012,40(7):19-21,117. |
| 作者姓名： | 张靓 袁野 王玫 |
| 作者单位： | 1. 中国人民解放军海军驻大连426厂军事代表室 大连116005 2. 中国人民解放军91550部队 大连116023 3. 中国舰船研究设计中心 武汉430064 |
| 摘 要： | 无线传感器网络中同一簇内采集到的数据具有空间相关性，由此文章提出了一种基于小波变换的簇内数据融合方案。在信源编码中，利用空频变换方法，在簇头节点对簇内数据去除空间上的相关性，从而实现数据融合，并使得SINK节点重构恢复的数据与原始数据质量基本相同。经过Matlab仿真分析，该数据融合方案在压缩比和失真度上均表现出良好的特性。 |
| 关 键 词： | 无线传感器网络 空间相关性 数据融合 小波变换 |
A Wavelet-based In-cluster Data Aggregation Scheme |
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| ZHANG Liang , YUAN Ye , WANG Mei.A Wavelet-based In-cluster Data Aggregation Scheme[J].Computer and Digital Engineering,2012,40(7):19-21,117. | |
| Authors: | ZHANG Liang YUAN Ye WANG Mei |
| Affiliation: | 1.The Military Representative Office of Navy At Dalian 426 Factory,Dalian 116005)(2.No.91550 Troops of PLA,Dalian 116023)(3.China Ship Development and Design Center,Wuhan 430064) |
| Abstract: | The presence of spatial correlation in in-cluster data has been exploited to minimize communication costs(and hence,energy costs) incurred during data gathering in a sensor network.Using source coding scheme to compress the correlated information that observed by multiple sensors,quantize the correlated observations independently,and transmit independent bits to a central processor,which is responsible for reconstructing the physical environment with the smallest distortion possible.This paper proposes a Wavelet-based In-cluster Data Aggregation Scheme(WIDAS),in which the data aggregation makes use of the characteristic of wavelet transform.Simulation results show that the proposed scheme performs well in compression scale and distortion degree. |
| Keywords: | wireless sensor network spatial correlation data aggregation wavelet transform |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |