Modeling wireless sensor networks using finite-source retrial queues with unreliable orbit

Authors:
Patrick Wüchner;János Sztrik;Hermann de Meer
Affiliations:
Faculty of Informatics and Mathematics, University of Passau, Passau, Germany;Faculty of Informatics, University of Debrecen, Debrecen, Hungary;Faculty of Informatics and Mathematics, University of Passau, Passau, Germany
Venue:
PERFORM'10 Proceedings of the 2010 IFIP WG 6.3/7.3 international conference on Performance Evaluation of Computer and Communication Systems: milestones and future challenges
Year:
2010

Citing 9
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Abstract

Motivated by the need for performance models suitable for modeling and evaluation of wireless sensor networks, we introduce a retrial queueing system with a finite number of homogeneous sources, unreliable servers, orbital search, and unreliable orbit. All random variables involved in model construction are assumed to be independent and exponentially distributed. Providing a generalized stochastic Petri net model of the system, steady-state analysis of the underlying continuous-time Markov chain is performed and steady-state performance measures are computed by the help of the MOSEL-2 tool. The main novelty of this investigation is the introduction of an unreliable orbit and its application to wireless sensor networks. Numerical examples are derived to show the influence of sleep/awake time ratio, message dropping, and message blocking on the senor nodes' performance.