Estimation algorithm for uncertain data in wireless senor networks

Computer Engineering and Applications ›› 2011, Vol. 47 ›› Issue (28): 100-102.

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Estimation algorithm for uncertain data in wireless senor networks

HE Lijuan，ZHOU Mingzheng，TAO Wan，JIANG Zibing

Department of Computer & Information，Anhui Engineering University，Wuhu，Anhui 241000，China

Received:1900-01-01 Revised:1900-01-01 Online:2011-10-01 Published:2011-10-01

无线传感器网络中不确定数据的估计算法

何丽娟，周鸣争，陶皖，江自兵

安徽工程大学计算机与信息学院，安徽芜湖 241000

Abstract

Abstract: Aiming at the uncertainty of the data tuples，a new algorithm using the temporal and spatial correlation is proposed.To use the historical data of WSN nodes and combine with Hermite and DESM model，the algorithm can estimate the approximated result of uncertain data by adaptively adjusting the weights of temporal model and spatial model.This kind of improvement can increase the reliability of wireless networks.Experimental result indicates the algorithm is effective and stable.

Key words: wireless sensor network, uncertainty, model, estimation algorithm

摘要： 针对数据元组本身所产生的不确定性，利用WSN节点的历史数据，结合Hermite和DESM模型，提出利用感知数据的时-空相关性的估计算法，该算法能自适应调整时间和空间模型的权值对不确定数据进行估计，以提高无线网络的可靠性，实验表明该算法有较好的稳定性和较高的估计精度。

关键词: 无线传感器网络, 不确定性, 模型, 估计算法

HE Lijuan，ZHOU Mingzheng，TAO Wan，JIANG Zibing. Estimation algorithm for uncertain data in wireless senor networks[J]. Computer Engineering and Applications, 2011, 47(28): 100-102.

何丽娟，周鸣争，陶皖，江自兵. 无线传感器网络中不确定数据的估计算法[J]. 计算机工程与应用, 2011, 47(28): 100-102.

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Estimation algorithm for uncertain data in wireless senor networks

无线传感器网络中不确定数据的估计算法

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