NDLI: Performance analysis of Dynamic Burst Mapping in WiMAX system

Content Provider	IEEE Xplore Digital Library
Author	Dziyauddin, R.A. Doufexi, A. Kaleshi, D.
Copyright Year	2013
Description	Author affiliation: Razak Sch., UTM, Kuala Lumpur, Malaysia (Dziyauddin, R.A.) \|\| Dept. of Electron. & Electr. Eng., Univ. of Bristol, Bristol, UK (Doufexi, A.; Kaleshi, D.)
Abstract	This paper investigates the effectiveness of dynamic resource allocation scheme in WiMAX (Worldwide Interoperability for Microwave Access) system following to the WiMAX standard. Simulation experiments are performed for the case of MAC PDU (Media Access Control packet data unit) without fragmentation and numerically expanded for the fragmentation case. We used a technique called Dynamic Burst Mapping (DyPBM) to allocate the resources to mobile users, and this is then compared to other non-dynamic resource allocation techniques. Numerical study shows that the dynamic technique (DyPBM) achieves the highest goodput increment of up to 0.7 Mbps when the MAC PDUs are fragmented. Nevertheless, dynamic technique is less effective in the case of without MAC PDU fragmentation since it achieves low channel utilisation over the other non-dynamic techniques. This is because the available slots in some frames are insufficient to support the big PDU sizes as these PDUs (Packet Data Units) are not split into small fragments. This study thus concludes that the dynamic resource allocation is only significant when PDU fragmentation is applied in the WiMAX networks; nevertheless, there is a trade-off in terms of the complexity.
Sponsorship	Indonesia Sect. COM Chapt.
Starting Page	368
Ending Page	372
File Size	876858
Page Count	5
File Format	PDF
e-ISBN	9781467360500
DOI	10.1109/APCC.2013.6765972
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-08-29
Publisher Place	Indonesia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Resource management WiMAX Dynamic scheduling Downlink Complexity theory Conferences Heuristic algorithms burst mapping resource allocation packet data unit
Content Type	Text
Resource Type	Article

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