计算机科学 ›› 2022, Vol. 49 ›› Issue (6A): 612-618.doi: 10.11896/jsjkx.210300291
王方红1, 范兴刚1, 杨静静2, 周杰1, 王德恩1
WANG Fang-hong1, FAN Xing-gang1, YANG Jing-jing2, ZHOU Jie1, WANG De-en1
摘要: K-栅栏覆盖是有向传感器网络的研究热点之一。传统栅栏构建算法消需要耗大量节点能量,降低了网络寿命。文中创新性地利用有向节点感知区域的可调特性,不消耗节点能量,可高效构建栅栏。首先,创建有向可调感知模型,揭示感知区域的调整规律,使相距较远的两个节点不靠移动形成连续感知区域。接着,提出一种基于感知区域可调特性的有向强栅栏构建方法,优化调整感知区域,分布式选择最优节点,构建有向强栅栏。仿真结果证明,相比依赖于节点运动的传统栅栏构建算法,所提栅栏构建方法能够用更少的资源构建栅栏,有效延长网络寿命,具有重要的理论与实际意义。
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