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Critical density for coverage and connectivity in non-orientation directional sensor network

Author

Listed:
  • Lin Kang
  • Zengshou Dong
  • Yanjie Qi

Abstract

Both coverage and connectivity are important problems in wireless sensor networks. As more and more non-orientation sensors are continuously added into the region of interest, the size of covered component and connected component increases; at some point, the network can achieve an entire coverage and full connectivity after which the network percolates. In this article, we analyze the critical density in non-orientation directional sensor network in which the orientations of the sensors are random and the sensors are deployed according to the Poisson point process. We propose an approach to compute the critical density in such a network. A collaborating path is proposed with the sum of field-of-view angles of two collaborating sensors being π . Then a correlated model of non-orientation directional sensing sectors for percolation is proposed to solve the coverage and connectivity problems together. The numerical simulations confirm that percolation occurs on the estimated critical densities. It is worth mentioning that the theoretical analysis and simulation results give insights into the design of directional sensor network in practice.

Suggested Citation

  • Lin Kang & Zengshou Dong & Yanjie Qi, 2020. "Critical density for coverage and connectivity in non-orientation directional sensor network," International Journal of Distributed Sensor Networks, , vol. 16(6), pages 15501477209, June.
    • Handle: RePEc:sae:intdis:v:16:y:2020:i:6:p:1550147720925758
    DOI: 10.1177/1550147720925758
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