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Extra back-off flow control in wireless mesh networks

Abstract : Abstract—CSMA is the predominant distributed access protocol for wireless mesh networks. Originally designed for single-hop settings, in multi-hop networks CSMA can exhibit severe performance problems in terms of stability and end-to-end throughput. To ensure a smoother flow of packets, we examine a new scheme referred to as extra back-off (EB) flow control. In this scheme a node remains silent for a certain extra back-off time (imposed on top of the usual back-off time that is part of CSMA) after it has transmitted a packet, so as to give both the downstream and upstream neighbors the opportunity to transmit. EB flow control entails only a small modification to CSMA, preserving its distributed character, yet considerably improving the network performance.
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Submitted on : Tuesday, July 20, 2010 - 12:06:39 PM
Last modification on : Thursday, February 7, 2019 - 5:55:01 PM
Long-term archiving on: : Friday, October 22, 2010 - 4:27:00 PM


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  • HAL Id : inria-00504334, version 1



Ton Hellings, Johan S.H. van Leeuwaarden, Sem C. Borst, Dee Denteneer. Extra back-off flow control in wireless mesh networks. WiOpt'10: Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks, May 2010, Avignon, France. pp.214-223. ⟨inria-00504334⟩



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