Joint mode and rate adaptation for asymmetric full-duplex communications in WLANs

Hirzallah, M; Afifi, W; Krunz, M

Joint mode and rate adaptation for asymmetric full-duplex communications in WLANs

Hirzallah, M Afifi, W Krunz, M

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Publication Type:: Conference Proceeding
Citation:: IEEE International Conference on Communications, 2018, 2018-May
Issue Date:: 2018-07-27

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Field	Value	Language
dc.contributor.author	Hirzallah, M	en_US
dc.contributor.author	Afifi, W	en_US
dc.contributor.author	Krunz, M	en_US
dc.date.issued	2018-07-27	en_US
dc.identifier.citation	IEEE International Conference on Communications, 2018, 2018-May	en_US
dc.identifier.isbn	9781538631805	en_US
dc.identifier.issn	1550-3607	en_US
dc.identifier.uri	http://hdl.handle.net/10453/132878
dc.description.abstract	© 2018 IEEE. We consider the application of asymmetric full-duplex (AFD) communications in wireless local area networks (WLANs), exemplified by a Wi-Fi system. A full-duplex (FD)-enabled Wi-Fi access point communicates simultaneously uplink (UL) and downlink (DL) with a pair of half-duplex (HD) Wi-Fi stations (STAs). AFD enhances spectrum efficiency and reduces latency for STAs; however, it faces challenges related to node selection, switching between AFD and HD modes, and rate control. In this paper, we propose the \textit{asymmetric FD-mode and rate adaptation} (AFRA) scheme. AFRA relies on partially observable Markov decision process (POMDP) to adapt the UL and DL transmission rates as well as the transmission mode (i.e., AFD or HD; UL-only or DL-only), considering the future expected channel and interference conditions. Our simulation results indicate that AFRA outperforms classical rate-adaptation schemes and achieves up to 95% of the optimal performance of AFD communications.	en_US
dc.relation.ispartof	IEEE International Conference on Communications	en_US
dc.relation.isbasedon	10.1109/ICC.2018.8422502	en_US
dc.rights	info:eu-repo/semantics/closedAccess
dc.title	Joint mode and rate adaptation for asymmetric full-duplex communications in WLANs	en_US
dc.type	Conference Proceeding
utslib.citation.volume	2018-May	en_US
utslib.for	0906 Electrical and Electronic Engineering	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
utslib.copyright.status	closed_access	*
pubs.publication-status	Published	en_US
pubs.volume	2018-May	en_US

Abstract:

© 2018 IEEE. We consider the application of asymmetric full-duplex (AFD) communications in wireless local area networks (WLANs), exemplified by a Wi-Fi system. A full-duplex (FD)-enabled Wi-Fi access point communicates simultaneously uplink (UL) and downlink (DL) with a pair of half-duplex (HD) Wi-Fi stations (STAs). AFD enhances spectrum efficiency and reduces latency for STAs; however, it faces challenges related to node selection, switching between AFD and HD modes, and rate control. In this paper, we propose the \textit{asymmetric FD-mode and rate adaptation} (AFRA) scheme. AFRA relies on partially observable Markov decision process (POMDP) to adapt the UL and DL transmission rates as well as the transmission mode (i.e., AFD or HD; UL-only or DL-only), considering the future expected channel and interference conditions. Our simulation results indicate that AFRA outperforms classical rate-adaptation schemes and achieves up to 95% of the optimal performance of AFD communications.

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http://hdl.handle.net/10453/132878