Quality of service through bandwidth reservation on multirate ad hoc wireless networks

Authors:
Rafael Guimarães;Llorenç Cerdí;José M. Barceló;Jorge García;Michael Voorhaen;Chris Blondia
Affiliations:
Department of Computer Architecture, Polytechnic University of Catalonia, Jordi Girona 1-3, E-08034 Barcelona, Spain;Department of Computer Architecture, Polytechnic University of Catalonia, Jordi Girona 1-3, E-08034 Barcelona, Spain;Department of Computer Architecture, Polytechnic University of Catalonia, Jordi Girona 1-3, E-08034 Barcelona, Spain;Department of Computer Architecture, Polytechnic University of Catalonia, Jordi Girona 1-3, E-08034 Barcelona, Spain;Department of Mathematics and Computer Science, University of Antwerp - IBBT, Middelheimlaan 1, B-2020 Antwerpen, Belgium;Department of Mathematics and Computer Science, University of Antwerp - IBBT, Middelheimlaan 1, B-2020 Antwerpen, Belgium
Venue:
Ad Hoc Networks
Year:
2009

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Abstract

Achieving QoS (quality of service) in ad hoc wireless networks (AWNs) has been a research topic in the last years. In this paper we describe a QoS reservation mechanism for Multirate AWNs that allows bandwidth allocation on a per flow basis. By multirate we refer to those networks where wireless nodes are able to dynamically switch among several link rates. This allows nodes to select the highest possible transmission rate for exchanging data, independently for each neighbor.