2016
DOI: 10.1007/978-3-319-51917-3_7
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Performance Modeling of Finite-Source Cognitive Radio Networks Using Simulation

Abstract: Abstract. This paper deals with performance modeling of radio frequency licensing. Licensed users (Primary Users -PUs) and normal users (Secondary Users -SUs) are considered. The main idea, is that the SUs are able to access to the available non-licensed radio frequencies.A finite-source retrial queueing model with two non-independent frequency bands (considered as service units) is proposed for the performance evaluation of the system. A service unit with a priority queue and another service unit with an orbi… Show more

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Cited by 9 publications
(8 citation statements)
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“…The figures show that increasing the failure probability of the services involves longer response time of the users and more utilization of the channels service. Also, the figures show the effect of the distribution of the service time on the mean response time and the utilization of PCS when the failure probability is increasing, it is the consequence of [11], in where it was proved that the steady-state distribution is sensitive to the distribution of the service time.…”
Section: Simulation Resultsmentioning
confidence: 99%
“…The figures show that increasing the failure probability of the services involves longer response time of the users and more utilization of the channels service. Also, the figures show the effect of the distribution of the service time on the mean response time and the utilization of PCS when the failure probability is increasing, it is the consequence of [11], in where it was proved that the steady-state distribution is sensitive to the distribution of the service time.…”
Section: Simulation Resultsmentioning
confidence: 99%
“…This method is one of the most common confidence interval techniques which is used for steady-state simulation output analysis. See for example [1,7,12].…”
Section: Simulation Resultsmentioning
confidence: 99%
“…In papers [8,12] authors took into consideration that the servers are subject to breakdowns. In these works all the inter-event times including the failure and repair times were exponentially distributed.…”
Section: System Modelmentioning
confidence: 99%
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“…In order to estimate the mean response times of the requests, the batch mean method is used which is the most popular confidence interval technique for the output analysis of a steady-state simulation, see for example [8][9][10].…”
Section: Simulation Resultsmentioning
confidence: 99%