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Author(s): Rui A. Costa
Daniele Munaretto
Joerg Widmer
João Barros
Title: Informed network coding for minimum decoding delay
Issue Date: 2008
Abstract: Network coding is a highly efficient data dissemination mechanism for wireless networks. Since network coded information can only be recovered after delivering a sufficient number of coded packets, the resulting decoding delay can become problematic for delay-sensitive applications such as real-time media streaming. Motivated by this observation, we consider several algorithms that minimize the decoding delay and analyze their performance by means of simulation. The algorithms differ both in therequired information about the state of the neighborsbuffers and in the way this knowledge is used to decidewhich packets to combine through coding operations. Ourresults show that a greedy algorithm, whose encodings maximize the number of nodes at which a coded packet is immediately decodable significantly outperforms existingnetwork coding protocols.
Subject: Engenharia de telecomunicações, Engenharia electrotécnica, electrónica e informática
Telecommunications engineering, Electrical engineering, Electronic engineering, Information engineering
Scientific areas: Ciências da engenharia e tecnologias::Engenharia electrotécnica, electrónica e informática
Engineering and technology::Electrical engineering, Electronic engineering, Information engineering
Source: IEEE International Conference on Mobile Ad-hoc and Sensor Systems (IEEE MASS 08)
Document Type: Artigo em Livro de Atas de Conferência Internacional
Rights: restrictedAccess
Appears in Collections:FEUP - Artigo em Livro de Atas de Conferência Internacional

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