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Node Placement for Long Bounded Belt Complete 2-Coverage in Wireless Sensor Networks

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  • Tingting Wang
  • Yanjing Sun
  • Zhao Xu
  • Wenyan Zhai
  • Ran Zhuo

Abstract

Based on Isosceles Triangle (Iso-Tri) placement and the extended Equalization Strip theory, we propose an Isosceles Trapezoid complete 2-coverage (Iso-TraC2) placement method for completely covering a long bounded belt area, which requires that any point within the belt is covered by at least two nodes. Coverage density and coverage efficiency are calculated to evaluate the degree of complete coverage, which can reflect the number of nodes needed and the degree of redundancy, respectively. The extreme ratio of sensing radius to belt width is deduced when the coverage density reaches the minimal value. Results demonstrate that when a belt with width is given, the node sensing radius had better satisfied to guarantee a higher coverage efficiency and lower coverage density for bounded belt compete coverage. Mathematical analysis shows that the proposed method performs better than the existing ones with smaller nodes number and less coverage redundancy.

Suggested Citation

  • Tingting Wang & Yanjing Sun & Zhao Xu & Wenyan Zhai & Ran Zhuo, 2015. "Node Placement for Long Bounded Belt Complete 2-Coverage in Wireless Sensor Networks," Mathematical Problems in Engineering, Hindawi, vol. 2015, pages 1-13, November.
    • Handle: RePEc:hin:jnlmpe:672768
    DOI: 10.1155/2015/672768
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