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Reseach Article

DPRA Scheduling Algorithm for Uplinks in IEEE 802.16 Wireless Systems

Published on November 2012 by N. Mahendran, V. Kavitha
International Conference on Electronics, Communication and Information systems
Foundation of Computer Science USA
ICECI - Number 1
November 2012
Authors: N. Mahendran, V. Kavitha
c81734a4-b6cc-40c9-a85d-beaef76c1f48

N. Mahendran, V. Kavitha . DPRA Scheduling Algorithm for Uplinks in IEEE 802.16 Wireless Systems. International Conference on Electronics, Communication and Information systems. ICECI, 1 (November 2012), 6-9.

@article{
author = { N. Mahendran, V. Kavitha },
title = { DPRA Scheduling Algorithm for Uplinks in IEEE 802.16 Wireless Systems },
journal = { International Conference on Electronics, Communication and Information systems },
issue_date = { November 2012 },
volume = { ICECI },
number = { 1 },
month = { November },
year = { 2012 },
issn = 0975-8887,
pages = { 6-9 },
numpages = 4,
url = { /specialissues/iceci/number1/9457-1003/ },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Special Issue Article
%1 International Conference on Electronics, Communication and Information systems
%A N. Mahendran
%A V. Kavitha
%T DPRA Scheduling Algorithm for Uplinks in IEEE 802.16 Wireless Systems
%J International Conference on Electronics, Communication and Information systems
%@ 0975-8887
%V ICECI
%N 1
%P 6-9
%D 2012
%I International Journal of Computer Applications
Abstract

In order to support different types of multimedia applications, the IEEE 802. 16 standard defines different service classes with their associated Quality of Service (QoS) parameters. The scheduling algorithm is the crucial point in QoS provisioning over such broadband wireless access (BWA) network and it is important that the scheduling algorithm have a multi-dimensional objective of satisfying QoS requirements of the users, maximizing system utilization and ensuring fairness among users. In this paper, a dynamic priority resource-allocation (DPRA) scheme is proposed for uplinks in IEEE 802. 16 wireless communication systems. The DPRA scheme dynamically gives priority values to four types of service traffic based on their urgency degrees and allocates system radio resources according to their priority values. It can maximize the system throughput and satisfy differentiated quality-of-service (QoS) requirements. Simulation results show that the proposed DPRA scheme performs very close to the optimal method, which is by exhaustive search in system throughput, and it outperforms the conventional efficient and fair scheduling (EFS) algorithm in the performance measures such as system throughput, delay, packet loss.

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Index Terms

Computer Science
Information Sciences

Keywords

Ieee802. 16 Scheduling Algorithms Quality Of Service