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

Mohammed Hirzallah; Wessam Afifi; Marwan M Krunz

doi:10.1109/ICC.2018.8422502

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

Mohammed Hirzallah, Wessam Afifi, Marwan M Krunz

Electrical and Computer Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Scopus citations

Abstract

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.

Original language	English (US)
Title of host publication	2018 IEEE International Conference on Communications, ICC 2018 - Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
Volume	2018-May
ISBN (Print)	9781538631805
DOIs	https://doi.org/10.1109/ICC.2018.8422502
State	Published - Jul 27 2018
Event	2018 IEEE International Conference on Communications, ICC 2018 - Kansas City, United States Duration: May 20 2018 → May 24 2018

Other

Other	2018 IEEE International Conference on Communications, ICC 2018
Country	United States
City	Kansas City
Period	5/20/18 → 5/24/18

Keywords

Asymmetric full-duplex
Joint rate and duplex-mode control
TXOP sharing

ASJC Scopus subject areas

Computer Networks and Communications
Electrical and Electronic Engineering

Access to Document

10.1109/ICC.2018.8422502

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Joint mode and rate adaptation for asymmetric full-duplex communications in WLANs. / Hirzallah, Mohammed; Afifi, Wessam; Krunz, Marwan M.

2018 IEEE International Conference on Communications, ICC 2018 - Proceedings. Vol. 2018-May Institute of Electrical and Electronics Engineers Inc., 2018. 8422502.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Hirzallah, M, Afifi, W & Krunz, MM 2018, Joint mode and rate adaptation for asymmetric full-duplex communications in WLANs. in 2018 IEEE International Conference on Communications, ICC 2018 - Proceedings. vol. 2018-May, 8422502, Institute of Electrical and Electronics Engineers Inc., 2018 IEEE International Conference on Communications, ICC 2018, Kansas City, United States, 5/20/18. https://doi.org/10.1109/ICC.2018.8422502

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