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ThinkMind // ICWMC 2012, The Eighth International Conference on Wireless and Mobile Communications // View article icwmc_2012_3_10_20237


Modeling and Performance Evaluation of Small Cell Wireless Networks with Base Station Channels Breakdowns

Authors:
Nawel Gharbi

Keywords: Small Cell Networks; Retrial phenomenon; Channels breakdowns; Base station breakdowns; Generalized Stochastic Petri nets; Performance and reliability indices.

Abstract:
The ever-increasing number of customers and the need for higher data rates and multimedia services require the deployment of Small Cell Networks. This paper considers modeling, performance evaluation and reliability of Small Cell Wireless Networks, taking into account the retrial phenomenon, finite number of customers served in a cell and channels breakdowns. The aim of this paper is to give a detailed performance and reliability analysis of these next-generation networks considering different breakdowns disciplines using Generalized Stochastic Petri nets formalism. The novelty of this investigation consists in the consideration of two breakdowns disciplines: channels breakdowns and base station (synchronous) breakdowns. For the first one, each channel is an independent working unit, and it can fail independently of other channels state. For the second one, the breakdowns are synchronous, hence all the channels of the base station fail down simultaneously. Hence, we show how this high level model allows us to cope with the complexity of such finite-source retrial networks, under the different breakdowns disciplines and how several steady-state performance and reliability indices can be derived. Through numerical examples, we discuss the effect of the network parameters on performance.

Pages: 42 to 48

Copyright: Copyright (c) IARIA, 2012

Publication date: June 24, 2012

Published in: conference

ISSN: 2308-4219

ISBN: 978-1-61208-203-5

Location: Venice, Italy

Dates: from June 24, 2012 to June 29, 2012

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