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6LoWPAN网络能耗性能建模分析 被引量：1

Performance Modeling Analysis of Energy Consumption for 6LoWPAN
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摘要 为了改进6LoWPAN网络能耗性能,提出了一种基于超帧睡眠期的信道竞争机制,并对其进行Markov建模.基于本模型,对发送状态概率、信道检测冲突概率等网络参数和节点平均能耗进行了数学分析,并研究了参数λ、minBE和NB对能耗等网络性能的影响.理论分析表明,该模型能够较好的描述和评价6LoWPAN网络MAC协议,新机制降低了网络能耗,也改善了协议的性能. In order to improve the performance of energy consumption for 6LoWPAN network,a channel contention mechanism based on superframe sleep period was proposed.Then a Markov chain model was established for the mechanism.Based on this model,the mathematical analysis on the steady-state probability of sending state,channel conflict probability and node average energy consumption was performed,and moreover the influence of the protocol parameters λ、minBE and NB on the network performance such as energy consumption was also analyzed.Finally,it is showed by the theoretical analysis that our model describes the MAC protocol of 6LoWPAN very well.The new mechanism reduces the network energy consumption,and the performance of protocol is improved.
作者 孙霞 梁伟 程宏斌 王海军
机构地区 常熟理工学院计算机科学与工程学院 湖北第二师范学院计算机学院
出处 《微电子学与计算机》 CSCD 北大核心 2012年第11期78-81,86,共5页 Microelectronics & Computer
基金 国家自然科学基金资助项目(61003237) 湖北省教育厅科学技术研究项目(B20123104) 常熟理工学院青年教师基金项目(CST-201209)
关键词 建模 6LoWPAN 睡眠期 节点能耗 model 6LoWPAN sleep period node energy consumption
分类号 TP393.03 [自动化与计算机技术—计算机应用技术]
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参考文献9

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二级参考文献20

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微电子学与计算机
2012年 第11期

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