[PDF][PDF] Performance evaluation of the VoIP services of the cognitive radio system, based on DTMC

U Habiba, MI Islam, MR Amin - Journal of information processing …, 2014 - koreascience.kr
In recent literature on traffic scheduling, the combination of the two-dimensional discrete-
time Markov chain (DTMC) and the Markov modulated Poisson process (MMPP) is used to …

Capacity improvement and analysis of VoIP service in a cognitive radio system

H Lee, DH Cho - IEEE transactions on Vehicular Technology, 2009 - ieeexplore.ieee.org
We herein analyze the capacity of voice over IP (VoIP) and propose a new method for
finding the minimum detection and false-alarm probabilities to ensure the quality-of-service …

Joint connection level and packet level analysis of cognitive radio networks with VoIP traffic

SL Castellanos-Lopez, FA Cruz-Perez… - IEEE Journal on …, 2013 - ieeexplore.ieee.org
In this paper, a novel joint connection-level and packet-level analytical model for the
performance evaluation of cognitive radio networks (CRNs) under VoIP traffic is proposed …

VoIP capacity analysis in cognitive radio system

H Lee, DH Cho - IEEE Communications Letters, 2009 - ieeexplore.ieee.org
In this letter, we analyze a voice over IP (VoIP) capacity in a cognitive radio system. We
formulate the system as a two-dimensional discrete time Markov chain (DTMC). The VoIP …

The impact of stochastic resource availability on cognitive network performance: modeling and analysis

N Adem, B Hamdaoui - Wireless Communications and Mobile …, 2016 - Wiley Online Library
Cognitive radio networks emerge as a promising solution for overcoming shortage and
inefficient use of bandwidth resources by allowing secondary users (SUs) to access the …

[PDF][PDF] Performance evaluation of channel aggregation strategies in cognitive radio networks with queues

IAM Balapuwaduge - 2012 - uia.brage.unit.no
With the growing usage of wireless communication devices, demand for the spectrum
access is rapidly increasing. Therefore, an efficient spectrum management and spectrum …

VoIP capacity analysis in cognitive radio system with single/multiple channels

Z Wang, T Jiang, L Jiang, X He - 2010 6th International …, 2010 - ieeexplore.ieee.org
In this letter, the voice over IP (VoIP) capacity in Cognitive Radio system is studied with
single and multiple channels. A special Cognitive Radio (CR) system is used, the Cognitive …

Steady-state markov chain analysis for heterogeneous cognitive radio networks

AS Zahmati, X Fernando… - 2010 IEEE Sarnoff …, 2010 - ieeexplore.ieee.org
Cognitive radio technology has been widely researched to improve the spectrum usage
efficiency. Modeling of the spectrum occupancy in a cognitive framework including licensed …

A continuous-time Markov chain model and analysis for cognitive radio networks

AS Zahmati, X Fernando… - International Journal of …, 2012 - inderscienceonline.com
Cognitive radio concept has been widely researched to improve the spectrum usage
efficiency. Appropriate modelling of the spectrum occupancy by both licensed and …

Performance Analysis of a Cognitive Radio Network Using Network Calculus

Y Gao - 2012 - ntnuopen.ntnu.no
Cognitive radio has become a promising technology to increase spectrum utilization through
spectrum sharing between licensed users (primary users) and unlicensed users (secondary …