On the performance evaluation of query-based wireless sensor networks

  • Authors:
  • Guvenc Degirmenci;Jeffrey P. Kharoufeh;Rusty O. Baldwin

  • Affiliations:
  • Department of Industrial Engineering, University of Pittsburgh, 1048 Benedum Hall, 3700 O'Hara Street, Pittsburgh, PA 15261, USA;Department of Industrial Engineering, University of Pittsburgh, 1048 Benedum Hall, 3700 O'Hara Street, Pittsburgh, PA 15261, USA;Department of Electrical and Computer Engineering, Air Force Institute of Technology, 2950 Hobson Way (AFIT/ENG), Wright Patterson AFB, OH 45433, USA

  • Venue:
  • Performance Evaluation
  • Year:
  • 2013

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Abstract

We present a queueing-theoretic framework to evaluate the performance of large-scale, query-based wireless sensor networks whose nodes detect and advertise significant events that are useful for only a limited time; queries generated by sensor nodes are also time-limited. The main performance parameter is the steady state proportion of generated queries that fail to be answered on time. Using an infinite transmission range model, we first provide an approximation for this parameter that is insensitive to the size of the network. Subsequently, we approximate the proportion of failed queries when the transmission range is limited and show that this proportion converges to its infinite range counterpart as the sensor transmission range tends to infinity. The analytical approximations are shown to be remarkably accurate when compared with benchmark values obtained using a commercial network simulator.