Using the active queue management schemes to achieve intra-class fairness for the 802.11 WLAN EDCA queues

Authors:
Agnieszka Brachman
Affiliations:
Institute of Informatics, Silesian University of Technology, Gliwice, Poland
Venue:
MMACTEE'09 Proceedings of the 11th WSEAS international conference on Mathematical methods and computational techniques in electrical engineering
Year:
2009

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Abstract

In this paper the unfairness problems in wireless 802.11 LAN are researched and studied via simulation. The contributions are twofold. First of all, the intra-class fairness of the EDCA queues for downlink streams, in the presence of bidirectional traffic is investigated. Secondly, Active Queue Management schemes are evaluated as an possible improvement for the intra-class fairness. The simulation results show that some algorithms provide more equal share of wireless channel as well as the lower drop rate.