NDLI: Analyzing delay limits of high-speed wireless ad hoc networks based on IEEE 802.11n

Content Provider	IEEE Xplore Digital Library
Author	Teymoori, P. Yazdani, N. Hoseini, S.A. Effatparvar, M.R.
Copyright Year	2010
Description	Author affiliation: Router Lab., Electrical & Computer Engineering Department, University of Tehran, Iran (Teymoori, P.; Yazdani, N.; Hoseini, S.A.; Effatparvar, M.R.)
Abstract	Recent advances in high-speed wireless LANs with physical layer (PHY) rates reaching 600Mbps make them ideal for multimedia applications. It has been shown that efficiency at medium access control (MAC) layer decreases with increasing the PHY rate. To achieve high efficiency, few researches have tried to use aggregation in which few packets are concatenated into a larger frame. The resultant frame is sent at once in order to reduce the media access protocol overhead. Unfortunately larger frames increase delays. Since demand for real-time data communication and delay-sensitive applications have become more critical, especially for high-speed networks, a thorough delay analysis is required to examine the effect of aggregation on delay in high-speed networks. In this paper, we propose an analytical model for examining packet delay in IEEE 802.11n networks in the saturation mode. To the best of our knowledge, this is the first work which focuses on packet delay analysis in the presence of aggregation. Analysis and simulation results show that packet delay increases in larger aggregation sizes, and IEEE 802.11n performs poorly in high rates in terms of packet delay. Moreover, based on two new metrics that we propose in the paper, it is shown that aggregation loses its effectiveness in higher rates.
Starting Page	489
Ending Page	495
File Size	1208744
Page Count	7
File Format	PDF
ISBN	9781424481835
DOI	10.1109/ISTEL.2010.5734075
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-12-04
Publisher Place	Iran
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Aggregation Analytical models Protocols High-Speed Wireless Networks Peer to peer computing Bit error rate Throughput Packet Delay Analysis IEEE 802.11n Standard IEEE 802.11n Delay
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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