《计算机应用研究》|Application Research of Computers

无线传感器网络遮蔽效应下簇面积分析

Cluster size for randomly distributed wireless sensor networks in shadowed environments

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作者 刘韬,李志蜀,夏翔,校景中
机构 1.四川大学 计算机学院,成都 610065;2.西南民族大学 计算机科学与技术学院,成都 610041
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文章编号 1001-3695(2011)01-0237-03
DOI 10.3969/j.issn.1001-3695.2011.01.066
摘要 提出在传感器网络分簇条件下将覆盖性和连通性结合起来,即计算簇头和与它能保持连通的节点的共同覆盖面积——簇面积,并给出了在无线遮蔽环境中,簇面积的计算公式,进一步完善了覆盖性和连通性的研究。还分析了在遮蔽环境中为保证连通性,节点的发射功率所应遵循的条件。通过模拟实验,验证了该分析的正确性。
关键词 覆盖性;连通性;分簇;簇面积;遮蔽效应;无线传感器网络
基金项目 国家科技部中小型科技企业创新基金资助项目(06C26225101730)
本文URL http://www.arocmag.com/article/1001-3695(2011)01-0237-03.html
英文标题 Cluster size for randomly distributed wireless sensor networks in shadowed environments
作者英文名 LIU Tao, LI Zhi-shu, XIA Xiang, XIAO Jing-zhong
机构英文名 1. School of Computer Science, Sichuan University, Chengdu 610065, China; 2. School of Computer Science & Technology, Southwest University for Nationality, Chengdu 610041, China
英文摘要 This paper presented cluster size, i.e. , how much a clusterhead together with sensors could cover a region , through which the coverage and connectivity could be analyzed jointly . Furthermore, developed a mathematical model to evaluate the cluster size in shadowed environments. At last, discussed the transmission power of a node that was needed to maintain the connectivity in shadowed environments. The simulation results indicate the correctness of the analytical model.
英文关键词 coverage; connectivity; clustering; cluster size; shadowing effects; wireless sensor networks(WSN)
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页码 237-239
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文献标志码 A