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An Adaptive Resource Control Mechanism in Multi-hop Ad-Hoc Networks

  • Yimeng Yang
  • Geert Heijenk
  • Boudewijn R. Haverkort
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6649)

Abstract

This paper presents an adaptive resource control mechanism for multi-hop ad-hoc network systems, which avoids bottleneck problems caused by the node-fairness property of IEEE 802.11. In our proposal, the feedback information from the downstream bottleneck, derived from Request-To-Send (RTS) and Clear-To-Send (CTS) messages is utilized to control the Transmission Opportunity (TXOP) limit of the upstream nodes for traffic balancing. The proposed mechanism is modelled control-theoretically using the 20-sim control system modelling tool, which has the advantage that results can be obtained in a fast and efficient way. Compared to systems without resource control, a higher throughput and lower delay can be achieved under a variety of traffic load conditions as well as in dynamic network environments.

Keywords

resource control multi-hop 802.11 RTS/CTS TXOP 

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Copyright information

© IFIP International Federation for Information Processing 2011

Authors and Affiliations

  • Yimeng Yang
    • 1
  • Geert Heijenk
    • 1
  • Boudewijn R. Haverkort
    • 1
    • 2
  1. 1.CTIT, University of TwenteEnschedeThe Netherlands
  2. 2.Embedded Systems InstituteEindhovenThe Netherlands

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