期刊文献+

无线传感器网络数据融合技术 被引量:50

Survey on Data Aggregation of Wireless Sensor Networks
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摘要 数据融合技术是无线传感器网络的一个关键技术,能减少传感器节点间的传输量,从而明显提高网络感知效能,延长网络生命周期,减小时间延迟。通过对尚处于研究阶段的数据融合技术进行详细分析与研究,阐述了数据融合技术的重要性,并分类介绍了现有的主要数据融合方法,最后指出该研究领域当前面临的挑战以及需要进一步研究的方向和有前景的研究课题——压缩感知。 Data aggregation is a very important technique used to reduce the communication overhead and energy expenditure of sensor nodes during the process of data collection in a wireless sensor networks (WSN). The researches on data aggregation of WSN were presented. This paper introduced the function and significance of data aggregation, specified the existing and typical classification of data aggregation, pointed out the challenges and the promising research subjects for this research domain, especially compressive sensing.
出处 《计算机科学》 CSCD 北大核心 2010年第4期31-35,58,共6页 Computer Science
基金 国家自然科学基金(No.60672143) 军队科研计划项目资助
关键词 数据融合 无线传感器网络 相关性 能量 压缩感知 Data aggregation,Wireless sensor networks, Dependency, Energy, Compressive sensing
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参考文献35

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二级参考文献47

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