Thwarting Selfish Behavior in 802.11 WLANs

Provided by: Cornell University
Topic: Networking
Format: PDF
The 802.11e standard enables user configuration of several MAC parameters, making WLANs vulnerable to users that selfishly configure these parameters to gain throughput. In this paper, the authors propose a novel distributed algorithm to thwart such selfish behavior. The key idea of the algorithm is for honest stations to react, upon detecting a selfish station, by using a more aggressive configuration that penalizes this station. They show that the proposed algorithm guarantees global stability while providing good response times.

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