Redundant coverage for noise reduction in dynamic sensor networks

  • Authors:
  • Simone Gabriele;Paolo Giamberardino

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

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

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Abstract

The paper deals with the problem of computing trajectories for a network of mobile sensors in order to maximize coverage within a fixed time interval avoiding collisions and maintaining communication network connectivity. A formulation of the field coverage problem is given in terms of optimal control and it is shown how the problem of a redundant coverage, useful for simultaneous multiple measurements and then noise reduction, can be handled within the same formulation. The redundancy is formally faced in terms of K-coverage, such that covering each point of the workspace with at least K different sensors. Global centralized solutions are computed after discretization and simulation results are reported to show the effects of the proposed approach.