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Variable Density Deployment and Topology Control for the Solution of the Sink-Hole Problem

  • Novella Bartolini
  • Tiziana Calamoneri
  • Annalisa Massini
  • Simone Silvestri
Conference paper
Part of the Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering book series (LNICST, volume 22)

Abstract

The use of mobile sensors is of great relevance to monitor critical areas where sensors cannot be deployed manually. The presence of data collector sinks causes increased energy depletion in their proximity, due to the higher relay load under multi-hop communication schemes (sink-hole phenomenon). We propose a new approach towards the solution of this problem by means of an autonomous deployment algorithm that guarantees the adaptation of the sensor density to the sink proximity and enables their selective activation.

The proposed algorithm also permits a fault tolerant and self-healing deployment, and allows the realization of an integrated solution for deployment, dynamic relocation and selective sensor activation.

Performance comparisons between our proposal and previous approaches show how the former can efficiently reach a deployment at the desired variable density with moderate energy consumption under a wide range of operative settings.

Keywords

Mobile Sensor Topology Control Sensor Deployment Density Requirement Coverage Hole 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© ICST Institute for Computer Science, Social Informatics and Telecommunications Engineering 2009

Authors and Affiliations

  • Novella Bartolini
    • 1
  • Tiziana Calamoneri
    • 1
  • Annalisa Massini
    • 1
  • Simone Silvestri
    • 1
  1. 1.Department of Computer Science“Sapienza” University of RomeItaly

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