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[ "张康荣(1990-),男,桂林电子科技大学硕士生,主要研究方向为应急通信。" ]
[ "林基明(1970-),男,桂林电子科技大学教授、博士生导师,主要研究方向为无线通信、移动通信。" ]
[ "郑霖(1973-),男,桂林电子科技大学教授,主要研究方向为无线超宽带通信、无线传感器网络、移动通信、自适应信号处理、扩频通信。" ]
纸质出版日期:2018-09-30,
网络出版日期:2018-09,
移动端阅览
张康荣, 林基明, 郑霖. 应急多跳无线网络中的节点移动方案[J]. 物联网学报, 2018,2(3):29-35.
KANGRONG ZHANG, JIMING LIN, LIN ZHENG. Node mobility scheme in emergency multi-hop wireless network. [J]. Chinese journal on internet of things, 2018, 2(3): 29-35.
张康荣, 林基明, 郑霖. 应急多跳无线网络中的节点移动方案[J]. 物联网学报, 2018,2(3):29-35. DOI: 10.11959/j.issn.2096-3750.2018.00061.
KANGRONG ZHANG, JIMING LIN, LIN ZHENG. Node mobility scheme in emergency multi-hop wireless network. [J]. Chinese journal on internet of things, 2018, 2(3): 29-35. DOI: 10.11959/j.issn.2096-3750.2018.00061.
当网络中存在分割现象时,吞吐量的增加容易导致网络拥堵。造成网络分割的关键问题是网络中存在关键节点,关键节点是大量网络路由的公共节点,这导致关键节点能耗提高和网络通信效率降低。对此,提出了一种基于依赖关系图的节点移动方案以弥补网络分割。首先,通过依赖关系图来确定网络中导致拥堵的关键节点,然后,选择关键节点的邻节点,在该节点拓扑不变的条件下,按最短连通距离的方向移动,建立关键节点位置的备份路由。仿真结果表明,与已有的节点移动方案相比较,所提方案在网络连通率、覆盖率、网络生命周期性能上都有明显的提升。
When there is a segmentation phenomenon in the network
the increase in throughput easily leads to network congestion.The key problem that causes network segmentation is that there are key nodes in the network.The key nodes are public nodes of a large number of network routes
which lead to the increase of energy consumption of key nodes and the decrease of network communication efficiency.A node mobility scheme based on dependency graphs to compensate for network segmentation was proposed.Firstly
the key nodes that cause congestion in the network were determined through the dependency graph.Then
the neighboring points of the key nodes were selected.Under the condition that the topology of the nodes were unchanged
moving in the divection of the shortest connected distance to establish a backup route of the key node position.The simulation results show that compared with the existing node mobility schemes
this scheme has significant performance improvements in network connectivity
coverage and network life cycle.
Adhoc网络依赖关系移动节点关键节点
Ad hoc networkdependencymobile nodekey node
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王霞, 李旭宏, 张伟 ,等. 突发事件下机会网络节点移动模型研究[J]. 枣庄学院学报, 2016,33(2): 103-108.
WANG X, LI X H, ZHANG W ,et al. Research on opportunistic network node mobile model under emergencies[J]. Journal of Zaozhuang University, 2016,33(2): 103-108.
KIM T H, TIPPER D, KRISHNAMURTHY P ,et al. Improving the topological resilience of mobile Ad hoc networks[C]// International Workshop on Design of Reliable Communication Networks. 2009: 191-197.
BRATISLAV M, NIKOLA M, MIROSLAW M . Prediction of portioning in location-aware mobile Ad hoc networks[C]// The 38th Hawaii Internat ional Conference on System Sciences. 2005: 306-312.
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