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一种高效的延迟容忍移动传感器网络异步探测机制 被引量：1

An Efficient Asynchronous Probing Scheme for Delay-tolerant Mobility Sensor Network
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摘要 针对延迟容忍移动传感器网络(Delay Tolerant Mobility Sensor Network,DTMSN)节点间连接探测开销大、错失率高的问题,该文提出一种高效的DTMSN异步探测机制(Efficient Asynchronous Probing Scheme,EAPS)。该机制面向随机路点(Random Way-Point,RWP)移动模型,在采用互质周期对的时隙睡眠机制基础上,通过对节点运动区域的合理划分和周期对的优化选择,保证了网络连接探测的高成功率和低能耗的特性。仿真结果表明,与现有的异步探测机制相比,该机制能够在低能耗下实现更高的探测成功率与更低的探测延迟。 An Efficient Asynchronous Probing Scheme （EAPS） is proposed to solve issues of the low discovery radio and high probing energy cost for Delay Tolerant Mobility Sensor Network （DTMSN）. By analyzing nodes＇ contact properties in the Random Way-Point （RWP） mobility model, EAPS gives a reasonable regional plan based on a slotted-wakeup schedule of coprime cycle pairs. Optimal coprime cycle pairs are selected in these different regions to improve the discovery radio and reduce energy cost. Comparing with past asynchronous probing schemes, simulation results show that EAPS has higher discovery ratio and lower discovery delay with a low energy cost.
作者 李文霁 郑康锋 张冬梅 郭世泽
机构地区 北京邮电大学信息安全中心 北京邮电大学灾备技术国家工程实验室
出处 《电子与信息学报》 EI CSCD 北大核心 2012年第12期2891-2897,共7页 Journal of Electronics & Information Technology
基金 国家自然科学基金(61070204 61101108) 国家重大科技专项基金(2011ZX03002-005-01)资助课题
关键词 延迟容忍移动传感器网络 异步探测 随机路点移动模型 Delay Tolerant Mobility Sensor Network （DTMSN） Asynchronous probing Random Way-Point （RWP） mobility model
分类号 TP393 [自动化与计算机技术—计算机应用技术]
  • 相关文献

参考文献20

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二级参考文献23

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共引文献5

同被引文献18

  • 1Wei Kai-min,Liang Xiao,and Xu Ke.A survey of social-aware routing protocols in delay tolerant networks: applications,taxonomy and design-related issues[J].IEEE Communications Surveys and Tutorials,2014,16(1): 556-578.
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引证文献1

二级引证文献6

电子与信息学报
2012年 第12期

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