An enhanced frequency-domain contention scheme for IEEE 802.11 WLANs

Haithem Al-Mefleh () and Osameh Al-Kofahi ()
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Haithem Al-Mefleh: Yarmouk University
Osameh Al-Kofahi: Yarmouk University

Telecommunication Systems: Modelling, Analysis, Design and Management, 2020, vol. 74, issue 1, No 3, 27-34

Abstract: Abstract Frequency-domain contention is a new paradigm of contention that has been proposed to enhance the performance of OFDM wireless networks. In this paper, we demonstrate how frequency-domain contention schemes would fail in a wireless local area network (WLAN) due to the existence of nodes that are hidden from each other. In addition, we propose a new MAC protocol, which is called EFDC (enhanced frequency-domain contention), that solves the failure problem without sacrificing performance in a WLAN. Simulation is used to evaluate and compare EFDC to the T2F (time-to-frequency) protocol and IEEE 802.11 contention method. The results show that EFDC achieves higher performance in terms of throughput and delay.

Keywords: Wireless networks; Medium-access control (MAC) protocols; IEEE 802.11; Frequency-domain contention; Hidden terminal problem (search for similar items in EconPapers)
Date: 2020
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DOI: 10.1007/s11235-019-00633-0

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