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无线传感器网络由微小的能量有限的无线传感器节点组成。这种网络的主要目标就是采集信息。因此,能量有效性和信息精确度就是无线传感器网络应用中最主要的指标。在这个资源严重受限的网络中,任何一种数据采集的方法必然是以上两个指标的折衷处理。这就促使对这两个指标之间的关系进行调查。对涉及到能量有效性和信息精确度的研究工作进行了调查、分类和总结,并且指出了各类工作中的开放性研究点,用于启发设计既节能又精确的数据采集方法。
Wireless sensor networks consist of tiny wireless sensor nodes with limited energy. The main goal of such a network is to gather information. Therefore, energy efficiency and information accuracy are the most important indicators in wireless sensor network applications. In this heavily resource-limited network, any method of data collection must be a trade-off between the two indicators above. This prompted an investigation of the relationship between these two indicators. The research work on energy efficiency and information accuracy was investigated, classified and summarized, and the open research points in all kinds of work were pointed out to inspire the design of both energy-saving and accurate data collection methods.