无线传感器网络基于相交圆结构的改进GAF算法

发布时间：2018-02-22 04:15

  本文关键词： 无线传感器网络 GAF算法 相交圆结构 簇头选择函数 中转节点　出处：《计算机工程与设计》2014年12期 　论文类型：期刊论文

【摘要】：针对GAF算法的不足,提出一种基于相交圆结构的改进GAF算法。采用相交圆结构模型进行单元格划分,增大每个单元格的面积及节点单跳覆盖范围,在相交圆的重叠区域中进行中转节点的选择,实现簇头间的多跳路由;在簇头选择阶段,根据节点吞吐率等条件定义的簇头选择函数来选择簇头。仿真结果表明,改进GAF算法能有效节约能耗,延长网络生存期。
[Abstract]:An improved GAF algorithm based on intersecting circular structure is proposed to solve the shortcoming of GAF algorithm. The intersecting circular structure model is used to divide the cells to increase the area of each cell and the coverage range of single hop node. In the overlapping region of intersecting circle, the transfer nodes are selected to realize the multi-hop routing between cluster heads, and the cluster heads are selected according to the cluster head selection function defined according to the node throughput and other conditions in the cluster head selection stage. The simulation results show that, The improved GAF algorithm can effectively save energy and prolong the network lifetime.
【作者单位】： 西安邮电大学电子工程学院;空军工程大学信息与导航学院;
【基金】：国家自然科学基金项目(61202490) 陕西省教育厅科学研究计划基金项目(13JK1099)
【分类号】：TP212.9;TN929.5
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本文编号：1523611