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Published in: Wireless Networks 8/2019

18-05-2018

A game theoretical approach to model the channel selection dynamics in non-coordinated IEEE 802.11 networks

Authors: Sérgio L. D. L. Gramacho, Gustavo B. Figueiredo, Lasaro Camargos

Published in: Wireless Networks | Issue 8/2019

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Abstract

The massive deployment of Wireless Local Area Networks has made interference mitigation between neighboring networks a challenging issue. These uncoordinated access networks aim at improving their operation by choosing the best wireless channel available, characterizing a competition over the restricted set of possible channels. This work analyses this competition using Game Theory and Markov Chains models, showing that such competitive behavior can lead to Nash Equilibria and that outcomes mostly will not be maximal. Additionally, partially and fully cooperative models are proposed and evaluated, allowing (a) individual players to increase global results using arbitrarily computed and non-rational moves, and (b) achieving maximal outcomes when considering the cooperation of up to all players.

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Footnotes
1
A set of wireless channels with enough separation to show low interference between each other. In WiFi, an operational frequency and a bandwidth characterizes the channel abstraction.
 
2
The set of channels 1, 6, 11 in the 2.4 GHz frequency band.
 
3
BR-orto: set of channels 1, 5, 9, 13
 
4
US-non-orto: set of channels 1-11
 
5
BR-non-orto: set of channels 1-13
 
Literature
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Metadata
Title
A game theoretical approach to model the channel selection dynamics in non-coordinated IEEE 802.11 networks
Authors
Sérgio L. D. L. Gramacho
Gustavo B. Figueiredo
Lasaro Camargos
Publication date
18-05-2018
Publisher
Springer US
Published in
Wireless Networks / Issue 8/2019
Print ISSN: 1022-0038
Electronic ISSN: 1572-8196
DOI
https://doi.org/10.1007/s11276-018-1751-y

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