Comments on 'Analysis of Cognitive Radio Spectrum Access with Optimal Channel Reservation'

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Ahmed, Waqas, Gao, Jason, Suraweera, Himal and Faulkner, Michael (2009) Comments on 'Analysis of Cognitive Radio Spectrum Access with Optimal Channel Reservation'. IEEE Transactions on Wireless Communications, 8 (9). pp. 4488-4491. ISSN 1536-1276


This paper discusses a number of errors in the Markov model and analysis of the blocking and forced termination probabilities in a cognitive radio network, given in [4]. The correct expressions of forced termination and blocking probabilities are provided. Under the same conditions as in [4], the probabilities and call completion rate are re-evaluated. The results show that there are significant differences both in terms of magnitude and behavior. Furthermore, an expression of aggregate throughput in bits per unit time is also given and evaluated. All the numerical plots are supported by simulation results.

Item type Article
Official URL
Subjects Historical > Faculty/School/Research Centre/Department > Centre for Telecommunications and Micro-Electronics (CTME)
Historical > FOR Classification > 1005 Communications Technologies
Historical > SEO Classification > 9502 Communication
Keywords ResPubID17616. cognitive radio spectrum access, optimal channel reservation, Cognitive radio, forced termination probability, blocking probability, channel reservation, Markov model, cognitive radio network
Citations in Scopus 74 - View on Scopus
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