计算机科学 ›› 2015, Vol. 42 ›› Issue (Z6): 311-314.
吴舜,万 莹,孙亚娟,许大卫,王换招
WU Shun, WAN Ying, SUN Ya-juan, XU Da-wei and W ANG Huan-zhao
摘要: 研究了网络稳定状态下无需节点位置信息的覆盖调度问题,给出了基于数据相关性的关联覆盖协议ACPUDC(Associated Coverage Protocol Using Data Correlation for Wireless Sensor Networks)。它将网络中的数据冗余表示为形式化的数据相关性,并分析了网络连通性问题,给出了基于数据相关性的冗余节点判断准则。协议采用退避机制防止连通漏洞的形成,并采用基于剩余能量的退避机制保证网络的整体能耗分布均衡。通过仿真实验,验证了ACPUDC在保证网络覆盖质量和连通性的前提下,能够显著地减少工作节点的数目,并且使网络整体能量分布均衡,延长网络寿命。
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