# [1]刘林峰,吴家皋,邹志强,等.面向节点失效问题的无线传感器网络拓扑自愈算法[J].东南大学学报(自然科学版),2009,39(4):695-699.[doi:10.3969/j.issn.1001-0505.2009.04.009] 　Liu Linfeng,Wu Jiagao,Zou Zhiqiang,et al.Topology self-cure algorithm aiming at node failure problem in wireless sensor networks[J].Journal of Southeast University (Natural Science Edition),2009,39(4):695-699.[doi:10.3969/j.issn.1001-0505.2009.04.009] 点击复制 面向节点失效问题的无线传感器网络拓扑自愈算法() 分享到： var jiathis_config = { data_track_clickback: true };

39

2009年第4期

695-699

2009-07-20

## 文章信息/Info

Title:
Topology self-cure algorithm aiming at node failure problem in wireless sensor networks

1 南京邮电大学计算机学院,南京 210003; 2 东南大学计算机网络和信息集成教育部重点实验室,南京 210096
Author(s):
1 College of Computer, Nanjing University of Posts and Telecommunications, Nanjing 210003, China
2 Key Laboratory of Computer Network and Information Integration of Ministry of Education, Southeast University, Nanjing 210096, Chi

Keywords:

TP393
DOI:
10.3969/j.issn.1001-0505.2009.04.009

Abstract:
In order to solve the node failure problem,a model of wireless sensor networks is constructed firstly. Then the node failure problem is described formally and analyzed. Some ideal characteristics(wireless sensor network connectivity, path cost decrease, degree constraint)have been concluded for topology. Because this problem belongs to NP-hard problem, an approximate topology self-cure algorithm called TCS-CA is proposed. The main idea of the TCS-CA is to recover the connectivity of nodes which are one-hop neighbors of the failure node. The TCS-CA is composed of three phases: connectivity recovery of one-hop neighbors, sub-set incorporation, and connectivity recovery of WSN. After the executions of the phases, the WSN topology can be recovered gradually. The simulation experiments show that a well-constructed topology and effectively prolonged network lifetime can be acquired when some parameters such as β and λ are chosen properly. Compared with the TCS, the TCS-CA can obtain 13% lifetime increment at most.

## 参考文献/References:

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