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多跳超宽带无线传感器网络的能耗与网络容量分析 被引量：1

Analysis of Energy Consumption and Network Capacity in Multi-hop Ultra-wide Band Based Wireless Sensor Networks
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摘要 能量消耗、能量效率和网络容量是衡量传感器网络性能的重要指标。本文在分析基于超宽带技术的无线传感器网络节点能耗的基础上,对采用多跳通信方式的传感器节点进行建模与分析,并得出使得数据传输能耗最小的最优传感器节点间间距。最后本文针对超宽带技术提出了网络容量分析模型。仿真结果表明,在多跳通信方式下网络业务负载模式和传感器节点分布密度对传感器节点的能耗和能量效率都有着较大的影响且网络容量并非随着并行通信的传感器节点对数的增大而线性增大。 Energy consumption,energy efficiency and networks capacity are the key measurement indices for network performance.Based on the analysis of the energy consumption at sensor nodes,the energy consum-ption model and energy efficiency model under the multi-hop communication mode,and the analysis model for network capacity have been proposed for UWB based WSNs.The simulation results show that energy consumption and energy efficiency are seriously influenced by the network loads mode and sensor node distribution density,and network capacity will not linearly increase with the increase of the number of the nodes,which are in the concurrent communication status.
作者 潘高峰 冯全源
机构地区 西南交通大学信息科学与技术学院
出处 《铁道学报》 EI CAS CSCD 北大核心 2010年第6期43-48,共6页 Journal of the China Railway Society
基金 国家自然科学基金项目(10876029) 国家高技术研究发展计划(863计划)(2009AA01Z230)
关键词 无线传感器网络 超宽带 能耗 能量效率 网络容量 wireless sensor networks（WSNs） ultra wide-band（UWB） energy consumption energy efficiency network capacity
分类号 TN913.24 [电子电信—通信与信息系统]
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参考文献14

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二级参考文献12

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共引文献12

同被引文献1

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二级引证文献6

铁道学报
2010年 第6期

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