Self-healing sensor networks with distributed decision making

Xiaojiang Du, Ming Zhang, Kendall E. Nygard, Sghaier Guizani, Hsiao Hwa Chen

Research output: Contribution to journalArticlepeer-review

50 Citations (Scopus)


Sensor random locations and sensor failures can cause coverage holes, routing voids and disconnections and thus degrade sensor network performance. In this paper, we present a self-healing approach that utilises a few mobile sensors to deal with the problems. A mobile sensor can move to an area with a coverage hole or routing void and significantly improve network performance. We design distributed algorithms to detect coverage holes, estimate hole size and repair holes. A mobile sensor may receive multiple repair requests from different areas and it may not have complete information of the network. We present a fuzzy-logic-based distributed decision-making algorithm for mobile sensors. Extensive simulations demonstrate the good performance of proposed algorithms.

Original languageEnglish
Pages (from-to)289-298
Number of pages10
JournalInternational Journal of Sensor Networks
Issue number5-6
Publication statusPublished - 2007

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Computer Science Applications
  • Computer Networks and Communications
  • Electrical and Electronic Engineering


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