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20296 An adaptive resource control mechanism in multi-hop ad-hoc networks
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Yang, Yimeng and Heijenk, G.J. and Haverkort, B.R.H.M. (2011) An adaptive resource control mechanism in multi-hop ad-hoc networks. In: 9th IFIP international conference on Wired/Wireless Internet Communications, WWIC 2011, 15-17 June 2011, Vilanova i la Geltrú, Spain. pp. 309-322. Lecture Notes in Computer Science 6649. Springer Verlag. ISSN 0302-9743 ISBN 978-3-642-21559-9

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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.

Item Type:Conference or Workshop Paper (Full Paper, Talk)
Research Group:EWI-DACS: Design and Analysis of Communication Systems
Research Program:CTIT-WiSe: Wireless and Sensor Systems
ID Code:20296
Deposited On:05 July 2011
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