[1]曹晓[],毛燕琴[],沈苏彬[]. 一种ZigBee网络中孤立节点自主配置的方法[J].计算机技术与发展,2016,26(11):172-176.
　CAO Xiao[],MAO Yan-qin[],SHEN Su-bin[]. A Self-configuration Scheme of Orphan Nodes in ZigBee Network[J].,2016,26(11):172-176.
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 一种ZigBee网络中孤立节点自主配置的方法()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
26
期数:
2016年11期
页码:
172-176
栏目:
应用开发研究
出版日期:
2016-11-10

文章信息/Info

Title:
 A Self-configuration Scheme of Orphan Nodes in ZigBee Network
文章编号:
1673-629X（2016)11-0172-05
作者:
 曹晓[1]; 毛燕琴[2]; 沈苏彬[2]
 1.南京邮电大学 物联网学院；2.南京邮电大学 计算机学院
Author(s):
 CAO Xiao[1];  MAO Yan-qin[2]; SHEN Su-bin[2]
关键词:
 ; 无线传感器网络; ZigBee; 自主配置; 孤立节点; 加入率
Keywords:
 ; WSN; ZigBee; self-configuration; orphan nodes; join ratio
分类号:
TP393
文献标志码:
A
摘要:
 ZigBee网络设备结构简单,硬件资源能力有限,因此会出现通信距离或节点失效等因素导致网络链路发生故障,从而产生孤立节点和孤立节点蔓延等问题。孤立节点的发生会造成网络异常,甚至造成网络混乱。 ZigBee标准协议的孤立节点重新加入网络处理机制比较局限,无法有效使节点恢复网络连接。针对孤立节点的自恢复网络连接问题,提出代理子树转移加入( ASTJ)方法,一方面通过代理子树节点将子树网络作为整体重新请求加入网络,另一方面通过节点转移的方式释放饱和节点的地址空间,有效利用网络地址。该方法能够防止孤立节点蔓延,提高孤立节点的自主配置能力,修复网络故障,加强网络稳定性。仿真实验结果表明,ASTJ能够提高孤立节点加入率,有效修复网络故障,并尽可能维持网络原有的结构形态。
Abstract:
 The structure of ZigBee device is simple and hardware is circumscribed,so the communication range or node failure may lead to link failure,then orphan nodes and orphan propagation problems are produced in ZigBee network and would cause anomalies and even chaotic. The mechanism of standard ZigBee protocol is limitation to resolve orphan node. Aiming at this problem,the Agent Sub-tree Transfer Join ( ASTJ) method is proposed to resolve the renewed connection for the orphan nodes,that is,orphan nodes as a whole sub-tree network rejoins the network and utilizes the network address by the way of nodes transfer. The method can prevent the spread of or-phan nodes,improve the self-configuration capability of the orphan node,fix the network fault,and increase stability of the network. As the experimental result shows,ASTJ can improve the join ratio evidently,repair network fault effectively,and maintain the network struc-ture as soon as possible.

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更新日期/Last Update: 2016-12-16