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 Relay Node Placement in Wireless Sensor Networks With Respect to Delay and Reliability Requirements Ma CF(马超凡)1; Liang W(梁炜)2; Zheng M(郑萌)2; Yang, Bo3 作者部门 工业控制网络与系统研究室 关键词 Approximation algorithm quality of service relay node placement (RNP) set cover wireless sensor networks(WSNs) 发表期刊 IEEE Systems Journal ISSN 1932-8184 2018 页码 1-13 收录类别 EI EI收录号 20182505336793 产权排序 2 资助机构 National Key Research and Development Program of China (2017YFE0101300), the Natural Science Foundation of China under Grants 61673371 and 71661147005, and the Youth Innovation Promotion Association, Chinese Academy of Sciences (2015157) 摘要 Wireless sensor networks are gradually employed in many applications that require reliable and real-time data transmission. As hop count is an important factor affecting end-to-end delay and reliability, we investigate the hop constrained relay node placement (HCRNP) problem in this paper. First, to achieve connectivity requirement, we study the connected HCRNP problem. Then, to design survivable network topologies against node failures, we study the 2-connected HCRNP problem. Correspondingly, two polynomial-time algorithms: cover-based 1-connected node placement (C1NP) and cover-based 2-connected node placement (C2NP) are proposed, respectively, to address the above two problems. Through rigorous analysis, we show that 1) C1NP has an approximation ratio better than existing algorithms for the connected HCRNP problem (i.e., O(1) for special settings and O($\ln n$) for arbitrary settings, where $n$ is the number of SNs) and 2) C2NP is the first algorithm that can provide an explicit performance guarantee for the 2-connected HCRNP problem, i.e., whenever C2NP finds a feasible solution, the ratio of this solution to the optimal solution is guaranteed to be O($\ln n$). Finally, we verify the effectiveness of the proposed algorithms through extensive simulations. 语种 英语 文献类型 期刊论文 条目标识符 http://ir.sia.cn/handle/173321/22423 专题 工业控制网络与系统研究室 通讯作者 Liang W(梁炜); Zheng M(郑萌) 作者单位 1.Software College, Zhongyuan University of Technology, Zhengzhou 450007, China2.State Key Laboratory of Robotics and the Key Laboratory of Networked Control Systems, Chinese Academy of Sciences, Shenyang 110016, China3.Institute of Computing Technology, Chinese Academy of Sciences, Beijing 100190, China. 推荐引用方式GB/T 7714 Ma CF,Liang W,Zheng M,et al. Relay Node Placement in Wireless Sensor Networks With Respect to Delay and Reliability Requirements[J]. IEEE Systems Journal,2018:1-13. APA Ma CF,Liang W,Zheng M,&Yang, Bo.(2018).Relay Node Placement in Wireless Sensor Networks With Respect to Delay and Reliability Requirements.IEEE Systems Journal,1-13. MLA Ma CF,et al."Relay Node Placement in Wireless Sensor Networks With Respect to Delay and Reliability Requirements".IEEE Systems Journal (2018):1-13.
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