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DTN中一种基于接触时间的休眠机制 被引量：6

Sleep Scheme Based on Contact Time in DTN
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摘要 针对容迟/容断网络(DTN)中能量供应受限的问题,提出一种基于接触时间的休眠机制SSCT(Sleep Schemebased on Contact Time)。节点依据历史接触时间自适应调整等待时间和休眠时间,从而降低休眠期间错失通信机会的概率。仿真实验表明,添加SSCT的Epidemic算法能够在保证消息交付率的基础上降低网络开销和能耗。相比First Contact算法,SSCT对多副本路由算法的性能提升更加明显。 Considering the problem that energy supplies are limited in DTN, a sleep scheme based on contact time was proposed. Nodes carry out adaptive strategy to adjust wait time and sleep time according to former contact time, and re- duce the probability of missing communication opportunities in sleep period. Simulation results indicate that Epidemic algorithm with SSCT can reduce network overhead and energy consumption based on high message delivery ratio, and SSCT has better performance on multi-copy routing algorithms compared with First Contact algorithm.
作者 付凯 夏靖波 尹波
机构地区 空军工程大学信息与导航学院
出处 《计算机科学》 CSCD 北大核心 2013年第2期87-90,共4页 Computer Science
基金 全军军事学研究生课题(2011*****-523)资助
关键词 容迟 容断网络 能量消耗 休眠机制 接触时间 Delay/disruption tolerant network, Energy consumption, Sleep scheme, Contact time
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14

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二级参考文献13

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共引文献86

同被引文献33

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计算机科学
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