Receiver-driven queue management for achieving RTT-fairness in Wi-Fi networks

  • Authors:
  • Dzmitry Kliazovich;Pedro Henrique Gomes;Fabrizio Granelli;Nelson L. S. Da Fonseca

  • Affiliations:
  • DISI-University of Trento, Trento, Italy;Institute of Computing, State University of Campinas, Campinas, SP, Brazil;DISI-University of Trento, Trento, Italy;Institute of Computing, State University of Campinas, Campinas, SP, Brazil

  • Venue:
  • GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
  • Year:
  • 2009

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Abstract

In this paper, we introduce a novel queue management technique for the buffer space at the base station of infrastructure 802.11 networks that considers mobile user's receiving characteristics. The maximum amount of the base station buffer that can be used by a given flow is updated proportionally to RTT, measured at the mobile nodes and sent to the base station my the mean of link layer acknowledgements. In this way, the proposed scheme remains transparent to high-level protocols. The proposed approach makes possible the implementation of algorithms able to provide RTT-fairness in wired-cum-wireless networks. Results show the advantage of the proposed queue management scheme when compared to that of traditional drop-tail queue management.