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异构无线传感器网络中基于选择分集的节点协作策略 被引量：2

Selection diversity scheme with node cooperation in heterogeneous WSN
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摘要 为提高无线传感器网络在大量节点参与协作情形下的能量效率,提出一种带有反馈信道的虚拟协作簇间传输方案。此方案利用选择分集算法,在一定的服务质量要求下,能获得较大的选择分集增益,从而进一步降低了单位比特能耗。仿真结果表明,此方案能在很大程度上节省单位比特能耗,延长网络生命周期摘要内容。 Energy efficiency is one of the most critical concerns for wireless sensor networks （WSN）. This paper proposed a novel virtual multiple input multiple output （MIMO） communication scheme with feedback channel in WSNs. Using the feed- back channel, channel state information （CSI） could be return to transmitting cluster. Then the ＂better＂ node could be selected to participate in cooperation. Simulation results show the effectiveness of the proposed algorithm in energy saving.
作者 龙承志 吴伟陵 李立宏
机构地区 南昌大学信息工程学院 北京邮电大学信息工程学院 南昌大学软件学院
出处 《计算机应用研究》 CSCD 北大核心 2009年第9期3452-3454,共3页 Application Research of Computers
基金 国家"863"计划资助项目(2003AA1233104) 江西科技支撑计划项目(2007ZD03700 070002) 江西省教育厅科技计划项目(2007[26] [29]) 江西省教育厅青年基金项目(GJJ09436)
关键词 异构无线传感器网络 选择分集 节点协作 能耗模型 heterogeneous wireless sensor networks selection diversity node cooperation energy consumption model
分类号 TP393 [自动化与计算机技术—计算机应用技术]
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参考文献8

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二级参考文献27

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共引文献57

同被引文献6

  • 1Heinzelman W R, Chandrakasan A, Balakrishnan H. An application-specific protocol architecture for wire- less microsensor networks [J]. IEEE Transactions on Wireless Communications, 2002, 1(4): 660-670.
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  • 6赵政春,邓曙光,蒋冬初.高斯分布无线传感器网络簇头选择算法[J].计算机工程与应用,2011,47(16):83-85. 被引量：3

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计算机应用研究
2009年 第9期

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