Abstract
除了能量受限以外,有限的存储容量也是无线传感器网络的基本特征.研究传感器网络中节省存储的数据传输问题,提出了一种基于虚拟节点的渐进数据传输方法.首先定义虚拟节点并建立各级虚拟节点之间的对应关系,充分利用传感数据的相关性;然后,设计基于此映射关系的传感数据调度算法,单轮传送数据的节点总数由相应簇头的实际存储容量决定,虚拟节点对每轮收集到的数据进行联合编码,形成节省存储的渐进数据传输.模拟实验表明,所提出的算法比DIMENSIONS有更小的网络耗能和延时,而且具有存储有效性.
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