Joint scheduling and mapping in support of downlink fairness and spectral efficiency in ieee 802.16e OFDMA system

Thanh, NH; Tung, DV; Thu, NQ; Nam, NC; Sandrasegaran, K

Joint scheduling and mapping in support of downlink fairness and spectral efficiency in ieee 802.16e OFDMA system

Thanh, NH Tung, DV Thu, NQ Nam, NC Sandrasegaran, K

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Publication Type:: Journal Article
Citation:: International Journal of Communication Systems, 2016, 29 (15), pp. 2227 - 2248
Issue Date:: 2016-10-01

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Field	Value	Language
dc.contributor.author	Thanh, NH	en_US
dc.contributor.author	Tung, DV	en_US
dc.contributor.author	Thu, NQ	en_US
dc.contributor.author	Nam, NC	en_US
dc.contributor.author	Sandrasegaran, K https://orcid.org/0000-0003-1270-5756	en_US
dc.date.issued	2016-10-01	en_US
dc.identifier.citation	International Journal of Communication Systems, 2016, 29 (15), pp. 2227 - 2248	en_US
dc.identifier.issn	1074-5351	en_US
dc.identifier.uri	http://hdl.handle.net/10453/43839
dc.description.abstract	Copyright © 2016 John Wiley & Sons, Ltd. The next generation broadband wireless networks deploy orthogonal frequency division multiple access (OFDMA) as the enabling technologies for broadband data transmission with QoS capabilities. In such broadband wireless systems, one major issue is how to utilize radio resource efficiently while maintaining fairness between sessions as well as providing adequate QoS. In this work, we propose an approach for OFDMA/time division duplex (TDD) downlink suitable for IEEE802.16e WiMAX systems that combines scheduling and burst mapping algorithms for a trade-off between session fairness, QoS, and spectral efficiency. While optimizing radio resources under QoS and fairness constraints is an NP-hard problem, we follow a heuristic approach that simplifies the complexity of the algorithm. Performance results show that while the new scheme outperforms the Proportional Fair algorithm in terms of fairness, it also improves the overall system spectral efficiency. Copyright © 2016 John Wiley & Sons, Ltd.	en_US
dc.relation.ispartof	International Journal of Communication Systems	en_US
dc.relation.isbasedon	10.1002/dac.3137	en_US
dc.subject.classification	Networking & Telecommunications	en_US
dc.title	Joint scheduling and mapping in support of downlink fairness and spectral efficiency in ieee 802.16e OFDMA system	en_US
dc.type	Journal Article
utslib.citation.volume	15	en_US
utslib.citation.volume	29	en_US
utslib.for	0805 Distributed Computing	en_US
utslib.for	0906 Electrical and Electronic Engineering	en_US
utslib.for	1005 Communications Technologies	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
pubs.organisational-group	/University of Technology Sydney/Strength - CRIN - Realtime Information Networks
utslib.copyright.status	closed_access
pubs.issue	15	en_US
pubs.publication-status	Published	en_US
pubs.volume	29	en_US

Abstract:

Copyright © 2016 John Wiley & Sons, Ltd. The next generation broadband wireless networks deploy orthogonal frequency division multiple access (OFDMA) as the enabling technologies for broadband data transmission with QoS capabilities. In such broadband wireless systems, one major issue is how to utilize radio resource efficiently while maintaining fairness between sessions as well as providing adequate QoS. In this work, we propose an approach for OFDMA/time division duplex (TDD) downlink suitable for IEEE802.16e WiMAX systems that combines scheduling and burst mapping algorithms for a trade-off between session fairness, QoS, and spectral efficiency. While optimizing radio resources under QoS and fairness constraints is an NP-hard problem, we follow a heuristic approach that simplifies the complexity of the algorithm. Performance results show that while the new scheme outperforms the Proportional Fair algorithm in terms of fairness, it also improves the overall system spectral efficiency. Copyright © 2016 John Wiley & Sons, Ltd.

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http://hdl.handle.net/10453/43839