[1]管文冰,朱志文,刘林峰,等. 一种基于锚节点失效的UWSN定位算法[J].计算机技术与发展,2015,25(03):218-222TP301.6.
　GUAN Wen-bing,ZHU Zhi-wen,LIU Lin-feng,et al. A Localization Algorithm Based on Anchored Node Failure for Underwater Sensor Network[J].,2015,25(03):218-222TP301.6.
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 一种基于锚节点失效的UWSN定位算法()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
25
期数:
2015年03期
页码:
218-222TP301.6
栏目:
应用开发研究
出版日期:
2015-03-10

文章信息/Info

Title:
 A Localization Algorithm Based on Anchored Node Failure for Underwater Sensor Network
文章编号:
1673-629X（2015)03-0218-05
作者:
 管文冰; 朱志文; 刘林峰; 姚升
 南京邮电大学 计算机学院；江苏省无线传感网高技术研究重点实验室
Author(s):
 GUAN Wen-bing; ZHU Zhi-wen; LIU Lin-feng; YAO Sheng
关键词:
 ; 水下无线传感器网络; 节点失效; 定位协助; 定位覆盖率
Keywords:
 ; underwater wireless sensor network; node failure; localization assistance; localization coverage
分类号:
TP301.6
文献标志码:
A
摘要:
 文中提出一种基于锚节点失效的、利用已定位节点帮助未知节点定位的算法。未知节点在锚节点失效的情况下不能获得足够信标信息，因此可能无法定位，于是向周围广播无法定位报文。收到该报文的已定位节点则选择地转化为参考节点，并广播自己的位置信息，转换为信标角色协助未知节点定位。无法定位节点从收到的信息中选择参考价值较高的坐标帮助自己定位。仿真结果表明，该方法能有效地提高定位覆盖率，降低锚节点失效对整个网络定位精度的影响。
Abstract:
 An anchored node failure based localization algorithm is proposed to help the nodes which can’ t locate themselves with the a-vailable beacon information. Unknown nodes can’ t receive enough beacon information to locate themselves in the case of anchor node failure,so they broadcast the messages which notifies they can’ t locate themselves. When a located node receives these messages,it will broadcast its location information to help the senders which can’ t locate. Then the unknown node picks up the node information with high degree of accuracy to locate itself. The simulation results show that this algorithm can effectively improve the localization coverage and re-lieve the influence of anchor node failure on the whole network localization accuracy.

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更新日期/Last Update: 2015-05-05