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一种多跳无线传感器网络中基于SMAC协议的性能分析模型 被引量：5

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摘要 本文针对基于SMAC协议的多跳无线传感器网络,将节点建模为一个带关闭机制的有限队列单服务台系统,并考虑节点睡眠机制和竞争退避机制建立了二维Markov节点状态模型.基于该模型可准确推导出网络平均丢包率、网络吞吐量、数据包平均延时以及网络平均功率消耗等网络性能的表达式.通过与仿真实验给出的网络性能结果进行对比,发现模型给出的网络性能表达式有效逼近了仿真结果曲线,从而验证了模型的准确性.同时,运用该模型能准确分析多跳无线传感器网络在能量效率和QoS性能的折中关系,并为占空比、缓存队列容量等网络协议参数的优化提供理论指导.
作者 罗俊 蒋铃鸽 何晨
机构地区 上海交通大学电子工程系
出处 《中国科学：信息科学》 CSCD 2010年第11期1464-1472,共9页 Scientia Sinica(Informationis)
基金 国家自然科学基金(批准号:60772100 60872017)和国家自然科学基金重点项目(批准号:60832009)资助
关键词 多跳无线传感器网络 MARKOV链 能量效率 服务质量
分类号 TP212.9 [自动化与计算机技术—检测技术与自动化装置] TN915.04 [电子电信—通信与信息系统]
  • 相关文献

参考文献10

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二级参考文献10

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共引文献6

同被引文献60

  • 1陈敏,韦岗.IEEE802.11无线局域网OPNET建模与性能测试[J].计算机工程,2004,30(21):14-16. 被引量：29
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引证文献5

二级引证文献10

中国科学：信息科学
2010年 第11期

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