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A matrix analytic approach to study the queuing characteristics of nodes in a wireless network

  • Sweta Dey
  • T. G. DeepakEmail author
Theoretical Article
  • 16 Downloads

Abstract

In this paper, we propose a model to study the queueing characteristics of nodes in a wireless network in which the channel access is governed by the well known binary exponential back off rule. By offering the general phase type (PH) distributional assumptions to channel idle and busy periods and assuming Poisson packet arrival processes at nodes, we represent the model as a quasi birth death process and analyse it by using matrix analytic methods. Stability of the system is examined. Several important queueing characteristics that help in efficient design of such systems are derived. Extensive simulation analysis is performed to establish the validity of our theoretical results.. It is shown that both the simulated and theoretical results agree on some important performance measures. Some real life data has been used to get approximate PH representations for channel idle and busy period variates, which in turn are used for numerical illustrations.

Keywords

Queueing model Binary exponential back off rule Phase type distribution Matrix analytic methods 

Mathematics Subject Classification

60J27 60K25 

Notes

Acknowledgements

We acknowledge the great help received from Prof. B.S. Manoj, Department of Avionics, IIST for availing us the data from IIST campus network as well as on its usage.

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Copyright information

© Operational Research Society of India 2019

Authors and Affiliations

  1. 1.Department of MathematicsIndian Institute of Space Science and TechnologyThiruvananthapuramIndia

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