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Efficient QoS-based Scheduling Mechanisms for IEEE 802.16e Networks

by M. Deva Priya, M. L Valarmathi, V. Sundarameena
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 72 - Number 20
Year of Publication: 2013
Authors: M. Deva Priya, M. L Valarmathi, V. Sundarameena
10.5120/12660-9401

M. Deva Priya, M. L Valarmathi, V. Sundarameena . Efficient QoS-based Scheduling Mechanisms for IEEE 802.16e Networks. International Journal of Computer Applications. 72, 20 ( June 2013), 34-41. DOI=10.5120/12660-9401

@article{ 10.5120/12660-9401,
author = { M. Deva Priya, M. L Valarmathi, V. Sundarameena },
title = { Efficient QoS-based Scheduling Mechanisms for IEEE 802.16e Networks },
journal = { International Journal of Computer Applications },
issue_date = { June 2013 },
volume = { 72 },
number = { 20 },
month = { June },
year = { 2013 },
issn = { 0975-8887 },
pages = { 34-41 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume72/number20/12660-9401/ },
doi = { 10.5120/12660-9401 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T21:38:27.779236+05:30
%A M. Deva Priya
%A M. L Valarmathi
%A V. Sundarameena
%T Efficient QoS-based Scheduling Mechanisms for IEEE 802.16e Networks
%J International Journal of Computer Applications
%@ 0975-8887
%V 72
%N 20
%P 34-41
%D 2013
%I Foundation of Computer Science (FCS), NY, USA
Abstract

Users have become more acquainted to broadband access. IEEE 802. 16, a standard for broadband wireless communication in Metropolitan Area Networks (MAN) promises to be one of the best wireless access technologies capable of supporting very high bandwidth applications. The main objective of WiMAX is to deliver wireless communications with high Quality of Service (QoS) guarantees, security and mobility. Many scheduling algorithms compatible with the IEEE 802. 16 standards are proposed in the literature with the tenacity of throughput optimization, fairness enhancement and QoS provisioning. However, few scheduling schemes minimize the delay involved. This paper proposes enhancements to the existing scheduling algorithms - Weighted Fair Queuing (WFQ) and Deficit Weighted Round Robin (DWRR). The performance of the existing and proposed algorithms is established by simulating the system under different scenarios. The Novel Weighted Fair Queuing (NWFQ) and Novel Deficit Weighted Round Robin (NDWRR) algorithms yield better Throughput and Packet Delivery Ratio (PDR) and involve less Delay, Jitter and Loss Rate. They are appropriate for scheduling particular types of services.

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Index Terms

Computer Science
Information Sciences

Keywords

WiMAX DeficitCounter MAC QoS DWRR NDWRR WFQ NWFQ

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