NDLI: Feasibility and optimization of delay guarantees for non-homogeneous flows in IEEE 802.11 WLANs

Content Provider	IEEE Xplore Digital Library
Author	Yan Gao Chee Wei Tan Ying Huang Zheng Zeng Kumar, P.R.
Copyright Year	2011
Description	Author affiliation: Department of Computer Science & CSL, University of Illinois at Urbana-Champaign, USA (Yan Gao; Zheng Zeng; Kumar, P.R.) \|\| Department of Computer Science, City University of Hong Kong, China (Chee Wei Tan) \|\| Department of Computer Science, University of Illinois at Urbana-Champaign, USA (Ying Huang)
Abstract	Due to the rapid growth of real-time applications and the ubiquity of IEEE 802.11 MAC as a layer-2 protocol for wireless local area networks (WLANs), it is of increasing interest to support quality of service (QoS) in such WLANs. In this paper, we develop a simple but accurate enough analytical model for predicting queueing delay in non-homogeneous random access based WLANs. This leads to tractable solutions for meeting queueing delay specifications of a number of flows. Using this model, we address the feasibility problem of whether the mean delays required by a set of inelastic flows can be guaranteed in WLANs. Based on the model and feasibility analysis, we further develop an optimization technique to minimize the delays for inelastic flows. We present extensive simulation results to demonstrate the accuracy of our model and the performance of the algorithms.
Starting Page	2660
Ending Page	2668
File Size	450586
Page Count	9
File Format	PDF
ISBN	9781424499199
ISSN	0743166X
e-ISBN	9781424499212
DOI	10.1109/INFCOM.2011.5935094
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-04-10
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Delay IEEE 802.11 Standards Wireless LAN Quality of service Approximation methods Real time systems Analytical models
Content Type	Text
Resource Type	Article
Subject	Computer Science Electrical and Electronic Engineering

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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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