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Web traffic modeling exploiting TCP connections' temporal clustering through HTML-REDUCE
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MPEG-4 and H.263 video traces for network performance evaluation
IEEE Network: The Magazine of Global Internetworking
Quality of service support in IEEE 802.16 networks
IEEE Network: The Magazine of Global Internetworking
Bandwidth Allocation with Half-Duplex Stations in IEEE 802.16 Wireless Networks
IEEE Transactions on Mobile Computing
An adaptive cross-layer design for multiservice scheduling in OFDMA based mobile WiMAX systems
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WOC '08 Proceedings of the Eighth IASTED International Conference on Wireless and Optical Communications
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On the performance of "compensation-based" and "Greedy" scheduling policies in IEEE 802.16 networks
ICC'09 Proceedings of the 2009 IEEE international conference on Communications
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Computer Networks: The International Journal of Computer and Telecommunications Networking
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IEEE Transactions on Wireless Communications
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Computer Networks: The International Journal of Computer and Telecommunications Networking
Performance evaluation of H.264/SVC video streaming over mobile WiMAX
Computer Networks: The International Journal of Computer and Telecommunications Networking
Power-aware opportunistic downlink scheduling in IEEE 802.16 wireless networks
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Wireless Personal Communications: An International Journal
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Efficient uplink scheduling policy for variable bit rate traffic in IEEE 802.16 BWA systems
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Using GI-G-1 queuing model for rtPS performance evaluation in 802.16 networks
International Journal of Communication Systems
An integrated buffer management strategy for the TDD mode in IEEE 802.16 BWA networks
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Computer Networks: The International Journal of Computer and Telecommunications Networking
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The IEEE 802.16 is a standard for broadband wireless communication in Metropolitan Area Networks (MAN). To meet the QoS requirements of multimedia applications, the IEEE 802.16 standard provides four different scheduling services: Unsolicited Grant Service (UGS), real-time Polling Service (rtPS), non-real-time Polling Service (nrtPS), and Best Effort (BE). The paper is aimed at verifying, via simulation, the effectiveness of rtPS, nrtPS, and BE (but UGS) in managing traffic generated by data and multimedia sources. Performance is assessed for an IEEE 802.16 wireless system working in Point-to-Multipoint (PMP) mode, with Frequency Division Duplex (FDD), and with full-duplex Subscriber Stations (SSs). Our results show that the performance of the system, in terms of throughput and delay, depends on several factors. These include the frame duration, the mechanisms for requesting uplink bandwidth, and the offered load partitioning, i.e., the way traffic is distributed among SSs, connections within each SS, and traffic sources within each connection. The results also highlight that the rtPS scheduling service is a very robust scheduling service for meeting the delay requirements of multimedia applications.