Enhanced IEEE 802.11 by integrating multiuser dynamic OFDMA

Title: Enhanced IEEE 802.11 by integrating multiuser dynamic OFDMA
Creator: Ferdous, Hasan; Murshed, Manzur
Date: 2010
Type: Text; Conference paper
Identifier: http://researchonline.federation.edu.au/vital/access/HandleResolver/1959.17/41705
Identifier: vital:6266
Identifier: https://doi.org/10.1109/WTS.2010.5479661
Identifier: ISBN:9781424465576
Abstract: In this paper, we discuss the problems associated with the present contention resolution mechanism of IEEE 802.11 DCF and present a new, dynamic and robust approach to improve it. Our new MAC, using OFDMA in the physical layer, can incorporate multiple concurrent transmissions or receptions in a dynamic manner and can adjust the collision probability based on the traffic load when nodes are endowed with a single half-duplex radio only. Simulation results show that our system improves throughput by up to 40 percent, reduces collision in control messages by up to 80 percent and reduces the average delay for data transmission by up to 20 percent.
Publisher: Tampa, FL The Institute of Electrical and Electronics Engineers
Relation: Ninth Wireless Telecommunications Symposium p. 1-6
Rights: This metadata is freely available under a CCO license
Subject: 0805 Distributed Computing
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