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异构传感器网络的能量空洞 被引量：5

The Energy Hole Problem in Heterogeneous Wireless Sensor Networks
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摘要 基于多跳的无线传感器网络,越靠近sink的传感器节点因需要转发更多的数据,其能量消耗就越快,从而在sink周围形成了一种称为"能量洞"的现象。"能量洞"问题会导致整个网络由于内部节点能量过早耗尽而结束寿命,同时,网络中离sink较远的节点仍有大量能量剩余。研究了"能量洞"现象,基于环模型,在网络中添加长链来延长网络的生命周期。与已有的研究不同,允许C1环到Ci环(i>1)的逆向数据传输,使得数据集中到Ci环内,然后通过在Ci环内添加少量有线长链来向sink传输数据。由于Ci环内的节点数量远远多于C1环内节点,这样,避免了C1内的节点能量过早耗尽,平衡了网络中的节点能量消耗。理论分析和仿真实验表明:该方法能够极大地延长网络生命周期。 In a multi-hop wireless sensor network（WSN）,the sensors closer to the sink tend to deplete their energy faster than other sensors,which is known as an energy hole to form around the sink.No more data can be delivered to the sink after an energy hole appears,while a considerable amount of energy is wasted and the network lifetime ends prematurely.This paper investigates the energy hole problem.Based on the corona model,some long-range links are added to extend the network lifetime.Different from the existing algorithms,data transmission is permitted from C1 to Ci.So data are concentrated in Ci.Then some long-range links are added in Ci.Because there have more nodes in Ci than that in C1,which ensures balanced energy-usage among nodes in the network.Theoretical analysis and the experiments show that the method can greatly extend the network lifetime.
作者 陆海明 刘学军 钱江波
机构地区 南京工业大学信息科学与工程学院 宁波大学信息科学与工程学院
出处 《传感技术学报》 CAS CSCD 北大核心 2010年第10期1480-1485,共6页 Chinese Journal of Sensors and Actuators
基金 国家自然科学基金资助(60803021)
关键词 传感器网络 能量洞 有线长链 网络生命周期 sensor networks energy hole wired long-range links network lifetime
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13

  • 1J Lian,K Naik,G Agnew.Data Capacity Improvement of Wireless Sensor Networks Using Non-Uniform Sensor Distribution[J].International Journal of Distributed Sensor Networks,2006,2(2):121-145.
  • 2X Wu,G Chen,S K Das.Avoiding Energy Holes in Wireless Sensor Networks with Nonuniform Node Distribution[J].IEEE Trans.On Parallel and Distributed System,2007,19(5):710-720.
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  • 4宋超,刘明,龚海刚,陈贵海,王晓敏.基于蚁群优化解决传感器网络中的能量洞问题[J].软件学报,2009,20(10):2729-2743. 被引量：40
  • 5J Li,P Mohapatra.Analytical Modeling and Mitigation Techniques for the Energy Hole Problem in Sensor Networks[J].Pervasive and Mobile Computing,2007,3(3):233-254.
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二级参考文献44

  • 1任彦,张思东,张宏科.无线传感器网络中覆盖控制理论与算法[J].软件学报,2006,17(3):422-433. 被引量：156
  • 2Olariu S, Stojmenovic I. Design guidelines for maximizing lifetime and avoiding energy holes in sensor networks with uniform distribution and uniform reporting. In: Domingo-Pascual J, ed. Proc. of the IEEE INFOCOM. New York: IEEE Communications Society, 2006. 1-12.
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  • 8Li J, Mohapatra P. Analytical modeling and mitigation techniques for the energy hole problems in sensor networks. Pervasive and Mobile Computing, 2007,3(3):233-254.
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共引文献174

同被引文献61

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引证文献5

二级引证文献12

传感技术学报
2010年 第10期

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