An enhanced frequency-domain contention scheme for IEEE 802.11 WLANs

被引：0
|
作者：
Al-Mefleh, Haithem [1 ]
Al-Kofahi, Osameh [1 ]
机构：
[1] Yarmouk Univ, Comp Engn Dept, Irbid 21163, Jordan
来源：
TELECOMMUNICATION SYSTEMS | 2020年 / 74卷 / 01期
关键词：
Wireless networks; Medium-access control (MAC) protocols; IEEE; 802; 11; Frequency-domain contention; Hidden terminal problem; MAC PROTOCOL; WIRELESS; NETWORKS; ACCESS; PHY;
D O I：
10.1007/s11235-019-00633-0
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
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.
引用
收藏
页码：27 / 34
页数：8
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