Node mobility scheme in emergency multi-hop wireless network

Kangrong ZHANG; Jiming LIN; Lin ZHENG

doi:10.11959/j.issn.2096-3750.2018.00061

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Node mobility scheme in emergency multi-hop wireless network

Theory and Technology | 更新时间：2024-06-05

- Node mobility scheme in emergency multi-hop wireless network
- Chinese Journal on Internet of Things Vol. 2, Issue 3, Pages: 29-35(2018)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.2096-3750.2018.00061
  CLC： TP393
- Published：30 September 2018，
  
  Published Online：2018-09，
- 稿件说明：
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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：

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.

摘要

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。

Abstract

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.

关键词

Adhoc网络依赖关系移动节点关键节点

Keywords

Ad hoc networkdependencymobile nodekey node

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