Mr. Gandeva Bayu Satrya Profile

Gandeva Bayu Satrya

at Telkom University

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Proceedings Article | 14 March 2013 Paper

Modified weighted fair queuing for packet scheduling in mobile WiMAX networks

Gandeva Satrya, Tri Brotoharsono

Proceedings Volume 8768, 87683H (2013) https://doi.org/10.1117/12.2011060

KEYWORDS: Unattended ground sensors, Video, Standards development, Stereolithography, Multimedia, Data modeling, Broadband telecommunications, Molybdenum, Nickel, Algorithms

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The increase of user mobility and the need for data access anytime also increases the interest in broadband wireless access (BWA). The best available quality of experience for mobile data service users are assured for IEEE 802.16e based users. The main problem of assuring a high QOS value is how to allocate available resources among users in order to meet the QOS requirement for criteria such as delay, throughput, packet loss and fairness. There is no specific standard scheduling mechanism stated by IEEE standards, which leaves it for implementer differentiation. There are five QOS service classes defined by IEEE 802.16: Unsolicited Grant Scheme (UGS), Extended Real Time Polling Service (ertPS), Real Time Polling Service (rtPS), Non Real Time Polling Service (nrtPS) and Best Effort Service (BE). Each class has different QOS parameter requirements for throughput and delay/jitter constraints. This paper proposes Modified Weighted Fair Queuing (MWFQ) scheduling scenario which was based on Weighted Round Robin (WRR) and Weighted Fair Queuing (WFQ). The performance of MWFQ was assessed by using above five QoS criteria. The simulation shows that using the concept of total packet size calculation improves the network’s performance.

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