Modelling QoS performance of IEEE 802.11 DCF under practical channel fading conditions

Liu, RP; Sutton, GJ; Yang, X; Collings, IB

Modelling QoS performance of IEEE 802.11 DCF under practical channel fading conditions

Liu, RP

Sutton, GJ

Yang, X Collings, IB

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Publication Type:: Conference Proceeding
Citation:: IEEE International Conference on Communications, 2011
Issue Date:: 2011-09-02

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Field	Value	Language
dc.contributor.author	Liu, RP https://orcid.org/0000-0001-7001-6305	en_US
dc.contributor.author	Sutton, GJ https://orcid.org/0000-0003-3523-3499	en_US
dc.contributor.author	Yang, X	en_US
dc.contributor.author	Collings, IB	en_US
dc.date.issued	2011-09-02	en_US
dc.identifier.citation	IEEE International Conference on Communications, 2011	en_US
dc.identifier.isbn	9781612842332	en_US
dc.identifier.issn	0536-1486	en_US
dc.identifier.uri	http://hdl.handle.net/10453/119636
dc.description.abstract	We consider the impacts of channel fading on the quality of service (QoS) performance of the IEEE 802.11 system. Traditional 2-D Markov chain models, while suitable for throughput analysis, are unable to capture the QoS performance due to the lack of a proper queueing model. We present a 3-D Markov chain queueing model that incorporates channel fading effects and solve the Markov chain efficiently with our Collapsed Transition onto Basis approach. In doing so, we are able to investigate important QoS measures, packet delay and loss, as well as throughput, for a 802.11 system under practical channel fading conditions. The analytical results are validated by extensive simulations. Our 3-D model offers new insights in channel fading effects on system capacity and QoS performance. We demonstrate that our 3-D model can also be used to provides guidelines for traffic control. © 2011 IEEE.	en_US
dc.relation.ispartof	IEEE International Conference on Communications	en_US
dc.relation.isbasedon	10.1109/icc.2011.5962819	en_US
dc.rights	info:eu-repo/semantics/closedAccess
dc.title	Modelling QoS performance of IEEE 802.11 DCF under practical channel fading conditions	en_US
dc.type	Conference Proceeding
utslib.for	0805 Distributed Computing	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 - GBDTC - Global Big Data Technologies
utslib.copyright.status	closed_access	*
pubs.publication-status	Published	en_US

Abstract:

We consider the impacts of channel fading on the quality of service (QoS) performance of the IEEE 802.11 system. Traditional 2-D Markov chain models, while suitable for throughput analysis, are unable to capture the QoS performance due to the lack of a proper queueing model. We present a 3-D Markov chain queueing model that incorporates channel fading effects and solve the Markov chain efficiently with our Collapsed Transition onto Basis approach. In doing so, we are able to investigate important QoS measures, packet delay and loss, as well as throughput, for a 802.11 system under practical channel fading conditions. The analytical results are validated by extensive simulations. Our 3-D model offers new insights in channel fading effects on system capacity and QoS performance. We demonstrate that our 3-D model can also be used to provides guidelines for traffic control. © 2011 IEEE.

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