Quality of Service Analysis and Queuing Performance Modeling of Orthogonal Frequency Division Multiple Access Based IEEE 802.16/WiMAX System

Quality of Service Analysis and Queuing Performance Modeling of Orthogonal Frequency Division Multiple Access Based IEEE 802.16/WiMAX System

Abdelali El Bouchti, Abdelkrim Haqiq, Said El Kafhali
Copyright: © 2012 |Volume: 4 |Issue: 3 |Pages: 17
ISSN: 1937-9412|EISSN: 1937-9404|EISBN13: 9781466613515|DOI: 10.4018/jmcmc.2012070104
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MLA

El Bouchti, Abdelali, et al. "Quality of Service Analysis and Queuing Performance Modeling of Orthogonal Frequency Division Multiple Access Based IEEE 802.16/WiMAX System." IJMCMC vol.4, no.3 2012: pp.54-70. http://doi.org/10.4018/jmcmc.2012070104

APA

El Bouchti, A., Haqiq, A., & El Kafhali, S. (2012). Quality of Service Analysis and Queuing Performance Modeling of Orthogonal Frequency Division Multiple Access Based IEEE 802.16/WiMAX System. International Journal of Mobile Computing and Multimedia Communications (IJMCMC), 4(3), 54-70. http://doi.org/10.4018/jmcmc.2012070104

Chicago

El Bouchti, Abdelali, Abdelkrim Haqiq, and Said El Kafhali. "Quality of Service Analysis and Queuing Performance Modeling of Orthogonal Frequency Division Multiple Access Based IEEE 802.16/WiMAX System," International Journal of Mobile Computing and Multimedia Communications (IJMCMC) 4, no.3: 54-70. http://doi.org/10.4018/jmcmc.2012070104

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Abstract

The authors present a problem of queuing theoretic performance modeling and analysis of Orthogonal Frequency Division Multiple Access (OFDMA) under broadband wireless networks. They consider a single-cell WiMAX environment in which the base station allocates sub channels to the subscriber stations in its coverage area. The sub channels allocated to a subscriber station are shared by multiple connections at that subscriber station. To ensure the Quality of Service (QoS) performances, a Connection Admission Control (CAC) mechanism is considered at a subscriber station. A queuing analytical framework for these admission control mechanisms is presented considering OFDMA-based transmission at the physical layer and based on the queuing model; both the connection-level and packet-level performances are studied and compared with their analogues in the case without CAC. The connection arrival is modeled by a Poisson process and the packet arrival for a connection by a Markov Modulated Poisson Process (MMPP). Several performance measures, namely connection blocking probability, average number of ongoing connections, average queue length, packet dropping probability, queue throughput and average packet delay, are then derived and quantified.

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