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11 - Computer Science and Informatics

University of Edinburgh

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Output 10 of 401 in the submission

Article title

A Control-Theoretic Approach to Distributed Optimal Configuration of 802.11 WLANs

Type

D - Journal article

DOI

10.1109/TMC.2010.231

Title of journal

IEEE Transactions on Mobile Computing

Article number

Volume number

Issue number

First page of article

897

ISSN of journal

1536-1233

Year of publication

2011

URL

http://www.computer.org/csdl/trans/tm/2011/06/ttm2011060897-abs.html

Number of additional authors

Additional information

<05> Originality: Presents a novel adaptive algorithm for optimally configuring the contention window parameter of 802.11 devices. The algorithm employs multi-variable control-theory tools to maximise WLAN performance, and is amenable to implementation with commodity hardware.

Significance: Previous approaches are based on heuristics, do not guarantee optimality, or require prohibitive hardware modifications. The proposed scheme is sustained on mathematical analysis, and validated through simulations and a real prototype; demonstrated up to 40% throughput gains and four-fold reductions of the access delay.

Rigour: Stability and convergence proofs; Ziegler-Nichols method used to achieve adequate trade-off between quick reaction to network changes and robustness.

Interdisciplinary

Cross-referral requested

Research group

C - Institute for Computing Systems Architecture

Citation count

Proposed double-weighted

Double-weighted statement

Reserve for a double-weighted output

Non-English

English abstract