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1 CWI - Centrum voor Wiskunde en Informatica 2 TU-e - Eindhoven University of Technology Eindhoven 3 Philips Research Nederlands

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.





Author: Ton Hellings - Johan S.H. Van Leeuwaarden - Sem C. Borst - Dee Denteneer -

Source: https://hal.archives-ouvertes.fr/



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