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

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.
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Yimeng Yang, Geert Heijenk, Boudewijn R. Haverkort. An Adaptive Resource Control Mechanism in Multi-hop Ad-Hoc Networks. 9th Wired/Wireless Internet Communications (WWIC), Jun 2011, Vilanova i la Geltrú, Spain. pp.309-322, ⟨10.1007/978-3-642-21560-5_26⟩. ⟨hal-01583657⟩



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