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Dept Comp Sci & Comp Eng
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La Trobe University
Victoria 3086
AUSTRALIA
Tel: +61 3 9479 1107
Fax: +61 3 9479 3060
Email: info
@cs.latrobe.edu.au
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Research Publications - Abstract
Department of Computer Science & Computer Engineering
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Chilamkurti, N.K., Ting, P-C., Yu, C-Y., and Tung-Hsien, W. |
| Publication Year: |
2009 |
| Paper Title: |
A Proposed RED-based Scheduling Scheme for QoS in WiMAX Networks |
| Conference Name: |
4th International Symposium on Wireless Pervasive Computing, ISWPC 2009 |
| Venue: |
Melbourne, Australia |
| Volume: |
ISWPC 2009 |
| Pages: |
1 - 5 |
| Abstract: |
IEEE802.16 standard defines the broadband wireless access specification for WiMAX, but it did not specify a standard scheme for scheduling algorithms and admission control. As a result, we propose an uplink scheduling schem called Random Early Detection based Deficit Fair Prioirty Queue (RED-based DFPQ) for WiMAX. RED-based DFPQ adjusts the deficit counter of rtPS based on the current queue length. Our proposed scheme improves the transmission quality of rtPS traffic in WiMAX networks. Our simulation results show that RED-based DFPQ enhances the throughput of rtPS, reduces the delay of rtPS and avoids the starvation of lower prioirty service classes when compared with other scheduling schemes.
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