{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,28]],"date-time":"2025-10-28T05:50:37Z","timestamp":1761630637608,"version":"3.40.4"},"reference-count":29,"publisher":"IGI Global","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2012,7,1]]},"abstract":"<p>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.<\/p>","DOI":"10.4018\/jmcmc.2012070104","type":"journal-article","created":{"date-parts":[[2013,2,5]],"date-time":"2013-02-05T22:23:40Z","timestamp":1360103020000},"page":"54-70","source":"Crossref","is-referenced-by-count":1,"title":["Quality of Service Analysis and Queuing Performance Modeling of Orthogonal Frequency Division Multiple Access Based IEEE 802.16\/WiMAX System"],"prefix":"10.4018","volume":"4","author":[{"given":"Abdelali","family":"El Bouchti","sequence":"first","affiliation":[{"name":"Hassan 1st University and e-Next Generation Networks Research Group, Morocco"}]},{"given":"Abdelkrim","family":"Haqiq","sequence":"additional","affiliation":[{"name":"Hassan 1st University and e-Next Generation Networks Research Group, Morocco"}]},{"given":"Said","family":"El Kafhali","sequence":"additional","affiliation":[{"name":"Hassan 1st University and e-Next Generation Networks Research Group, Morocco"}]}],"member":"2432","reference":[{"key":"jmcmc.2012070104-0","doi-asserted-by":"crossref","unstructured":"Baynat, B., Doirieux, S., Nogueira, G., Maqbool, M., & Coupechoux, M. 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