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

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Abstract

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
Uncontrolled Keywords:	ResPubID17616. cognitive radio spectrum access, optimal channel reservation, Cognitive radio, forced termination probability, blocking probability, channel reservation, Markov model, cognitive radio network
Subjects:	Faculty/School/Research Centre/Department > Centre for Telecommunications and Micro-Electronics (CTME) FOR Classification > 1005 Communications Technologies SEO Classification > 9502 Communication
Depositing User:	VUIR
Date Deposited:	26 Aug 2011 03:58
Last Modified:	26 Aug 2011 03:58
URI:	http://vuir.vu.edu.au/id/eprint/4116
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Citations in Scopus:	70 - View on Scopus

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