基于RCFile的无线传感器网络数据存储策略研究

Wireless Sensor Networks Data Storage Strategy Based on RCFile

随着无线传感器网络技术的发展,其应用价值遍布环境监测、工农业、抢险救灾、军事国防、生物医疗等许多领域。由于无线传感器网络特征与节点特点,其数据存储与查询策略研究成为热点。对已有的数据存储策略进行了详细介绍与研究,并分析它们的优缺点;其次结合大数据中一种高效的数据存储结构——RCFile,并将其应用到传感器网络的数据存储中,结合行列存储的优势,改变数据存储结构,提出了一种基于RCFile的无线传感器数据存储算法(Wireless sensor network Data Storage based on RCFile,WDSR),并给出了仿真结果分析。仿真结果表明,提出的算法在低能耗、高效率方面存在一定优势。最后指出了无线传感器网络数据存储算法的发展方向。

With the development of wireless sensor network technology,it is widely used in many fields,like the military and national defense,industry and agriculture,urban management,biomedical,environmental monitoring,disaster relief.Due to the wireless sensor network nodes characteristics,its data storage and query strategy have become a hot research.In this paper,the existing data storage strategies were described in detail and researched,and their strengths and weaknesses were analyzed.Following by the combination of big data,an efficient data storage structure-RCFile was applied to the data stored in the sensor network.The data structure was changed though combining the row-store and column-store.Based on RCFile,a data storage algorithm was proposed named wireless sensor network data storage based on RCFile（WDSR）,and then the corresponding results of the analysis were given.The simulation results show that the proposed algorithm has certain advantages in low power and high efficiency.Finally,the trend of the future development of wireless sensor data storage and query strategy research networks was given.