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基于移动节点的无线传感器网络覆盖洞修复方法 预览 被引量:30

Resilient method for recovering coverage holes of wireless sensor networks by using mobile nodes
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摘要 针对静态无线传感器网络中常常出现的覆盖洞问题,采用了移动节点进行修复的思路,提出了三角形贴片式的逐步增加移动节点方法。该方法利用覆盖洞边缘节点提供的辅助信息,指导移动节点移动到"最佳"位置。首先从几何理论上分析了最佳位置的存在条件,随后证明了在相关位置部署移动节点可以保证最低覆盖率大于90%,最后以仿真实验验证并分析了该算法的覆盖度、稳定性、冗余度等指标,并从移动节点覆盖能力利用率的角度,与相关工作进行了对比实验分析。 Coverage holes directly reduce network performance and become a key problem of static wireless sensor net-works.A hole-patching method was presented to get the resilient coverage,in which mobile nodes were guided by the boundary nodes of the coverage hole and patched uncovered area in the hole triangle by triangle.Based on geometry theories and mathematic deduction,the moving destination of the mobile nodes was proved to be optimal,and the cover-age of the patched holes was higher than 90%.Simulation results show the coverage,stability and redundancy of the proposed method,and then the availability was compared with some related methods reported recently.
作者 王良民 李菲 秦颖 WANG Liang-min,LI Fei,QIN Ying ,(1.Department of Computer Science,Jiangsu University,Zhenjiang 212013,China; 2.School of Computer Science and Engineering,Southeast University,Nanjing 210096,China; 3.Computer Network Information Center,Chinese Academy of Sciences,Beijing 100190,China)
出处 《通信学报》 EI CSCD 北大核心 2011年第4期 1-8,共8页 Journal on Communications
基金 国家自然科学基金资助项目(60703115) 博士后基金特别资助项目(200801357) 江苏大学启动基金资助项目(07JDG080)
关键词 无线传感器网络 移动节点 覆盖洞 wireless sensor network mobile node coverage hole
作者简介 王良民(1977-),男,安徽潜山人,博士,江苏大学副教授,主要研究方向为无线传感器网络、信息安全与可生存技术等。 李菲(1987-),女,山东泰安人,江苏大学硕士生,主要研究方向为无线传感器网络可生存技术。 秦颖(1987-),女,山西大同人,中国科学院硕士生,主要研究方向为信息网络规划研究和应用系统设计。
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参考文献12

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