Abstract
IEEE 802.16 leaves important issues like uplink bandwidth allocation to vendors. This paper proposes a WiMAX DBA algorithm using a 2-tier Max-Min Fair Sharing Policy (2tMMFS-DBA). In the first part of the algorithm, bandwidth reservations are set first for rtPS, then for nrtPS and BE applications. Next, the max-min fair sharing policy sets maximum connection demands for bandwidth requests and QoS provisioning. In the second part, the IEEE 802.16 MAC header is modified for piggybacking SS queue status messages to help base stations determine bandwidth allocation. 2tMMFS-DBA prioritizes bandwidth provisioning. An opportunity cost function bounds the cost of allocating bandwidth to different classes so as to maintain selected revenue levels to the service provider. Simulation shows the proposed dynamic provisioning scheme can satisfy the bandwidth requirements for different classes of traffic with overall improved system throughput.
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References
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© 2011 Springer-Verlag Berlin Heidelberg
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Tseng, PC., Tsai, JY., Hwang, WS. (2011). WiMAX DBA Algorithm Using a 2-Tier Max-Min Fair Sharing Policy. In: Chang, RS., Kim, Th., Peng, SL. (eds) Security-Enriched Urban Computing and Smart Grid. SUComS 2011. Communications in Computer and Information Science, vol 223. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-23948-9_31
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DOI: https://doi.org/10.1007/978-3-642-23948-9_31
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-23947-2
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