Design of novel node distribution strategies in corona-based wireless sensor networks

Huei Wen Ferng*, Mardianto Hadiputro, Arief Kurniawan

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

39 Citations (Scopus)


Considering coverage, efficiency, and durability, three nonuniform node distribution strategies for a corona-based wireless sensor network (WSN) are proposed in this paper. To derive lower bounds on sensor nodes in coronas, we investigate the optimal node placement based on coverage. We then prove the feasibility of balanced energy depletion for a primitive geometric node distribution (GND) and a primitive energy proportional node distribution (EPND). Applying the optimal node placement and GND enables us to propose the first strategy (Strategy I) to reach completely balanced energy depletion. Combining the optimal node placement, EPND, and a simple switch scheduling, the second strategy (Strategy II) and the third strategy (Strategy III) are designed for a uniform-width corona model and a nonuniform-width corona model, respectively. Although balanced energy depletion may not be reached, Strategy II achieves the longest network lifetime and Strategy III requires the fewest sensor nodes among the three strategies. Finally, the performance investigation done by both analytical and simulation approaches exhibits the superiorities of the proposed strategies over the two closest strategies in the literature in terms of number of sensor nodes, network lifetime, and residual energy.

Original languageEnglish
Article number5674045
Pages (from-to)1297-1311
Number of pages15
JournalIEEE Transactions on Mobile Computing
Issue number9
Publication statusPublished - Sept 2011
Externally publishedYes


  • Wireless sensor network
  • corona model
  • energy hole problem.
  • node distribution
  • sensor placement


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