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Wireless Personal Communications
Erschienen in: Wireless Personal Communications 3/2013

01.12.2013

Queue Model Analysis for Spectrum-Sharing Cognitive Systems Under Outage Probability Constraint

verfasst von: Abdallah K. Farraj

Erschienen in: Wireless Personal Communications | Ausgabe 3/2013

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Abstract

This article investigates the behavior of the cognitive queueing system in a spectrum-sharing environment under the primary outage probability constraint. The queueing model is investigated under two cognitive transmit modes. A variable transmit rate that is equal to the cognitive channel’s capacity is first revisited, then the case of constant transmit rate is considered. Both transmit modes are found to lead to an \(M/G/1\) queueing model. The performance measures of the cognitive queue under these two modes are investigated and numerically compared. The performance measures include the mean transmit rate, mean service time, server utilization, mean waiting and transit times of the packets in the queue, mean number of waiting and transit packets in the queue, mean duration of the server’s busy period, and mean number of packets served during the server’s busy period. The effects of changing the primary outage probability constraint and the primary transmit rate on the performance measures are investigated as well.
Vorheriger Artikel Cooperative Spectrum Sensing with Adaptive Double-Threshold Based Energy Detector in Cognitive Radio Networks
Nächster Artikel Secure Handover Authentication Protocol Based on Bilinear Pairings

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Fußnoten
1
Part of Sect. 3.1 appeared in [18], and it is provided here for completeness.
 
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Metadaten
Titel
Queue Model Analysis for Spectrum-Sharing Cognitive Systems Under Outage Probability Constraint
verfasst von
Abdallah K. Farraj
Publikationsdatum
01.12.2013
Verlag
Springer US
Erschienen in
Wireless Personal Communications / Ausgabe 3/2013
Print ISSN: 0929-6212
Elektronische ISSN: 1572-834X
DOI
https://doi.org/10.1007/s11277-013-1245-2

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