A unified approach for heterogeneity and node fault robustness in dynamic sensor networks

  • Authors:
  • Simone Gabriele;Paolo Di Giamberardino

  • Affiliations:
  • Università degli Studi di Roma "La Sapienza", Dipartimento di Informatica e Sistemistica "Antonio Ruberti" Roma, Italy;Università degli Studi di Roma "La Sapienza", Dipartimento di Informatica e Sistemistica "Antonio Ruberti" Roma, Italy

  • Venue:
  • WSEAS TRANSACTIONS on COMMUNICATIONS
  • Year:
  • 2008

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Abstract

The paper deals with the area coverage problem for a network of mobile sensors. Continuous mobility is used for getting measures over the area of interest with a reduced number of sensors units that do not cover all the area at any time but, moving, assure the measure at any point within a prefixed time interval. In addition, the case of heterogeneous network is addressed, in the sense that each node can be equipped with a different set of sensors. A centralized formulation of the control problem for the motion of the agents is given. It is also shown that the same problem formulation can be used to address the problem of nodes faults robust coverage for over dimensioned networks. Constraints introduced by the actuator limits as, communication connection and collision avoidance are clearly considered. A global solution is proposed and some simulations are reported to show its effectiveness.