Quality of service supporting downlink scheduling scheme in worldwide interoperability for microwave access wireless access systems

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IEEE 802.16 is a standardisation for a broadband wireless access in metropolitan area networks ( MAN). Since the IEEE 802.16 standard defines the concrete quality of service (QoS) requirement, a scheduling scheme is necessary to achieve the QoS requirement. Many scheduling schemes are proposed with the purpose of throughput optimisation and fairness enhancement, however, few scheduling schemes support the delay requirement. In this study, the authors propose a new scheduling scheme reflecting the delay requirement. Specifically, the authors add the delay requirement term in the proportional fair scheduling scheme and the scheduling parameters are optimised with respect to the QoS requirement. Therefore the QoS requirement is achieved without the excessive resource consumption.
Publisher
INST ENGINEERING TECHNOLOGY-IET
Issue Date
2010-01
Language
English
Article Type
Article
Keywords

QOS SUPPORT; NETWORKS

Citation

IET COMMUNICATIONS, v.4, no.1, pp.32 - 38

ISSN
1751-8628
DOI
10.1049/iet-com.2008.0590
URI
http://hdl.handle.net/10203/95163
Appears in Collection
EE-Journal Papers(저널논문)
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