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Multi-User ARQ
Ericsson Research, Isafjordsgatan 14E, 164 93 Kista, Sweden.
Ericsson Research, Isafjordsgatan 14E, 164 93 Kista, Sweden.
2006 (English)In: 2006 IEEE 63RD VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-6, IEEE , 2006, 2052-2057 p.Conference paper (Refereed)
Abstract [en]

This paper presents a novel ARQ scheme for multiple unicast flows in a multi-user system, which enhances the aggregate throughput efficiency. The core idea is to exploit knowledge of previously overheard packets by unintended users, and perform wise selection and joint encoding of any retransmitted information. Intended users may decode the jointly encoded packet by exploiting the previously overheard packets. It is found that the throughput efficiency in a K-user system approaches, the fairly remarkable result of, unit value when K goes to infinity. Moreover, complexity and overhead of the scheme is studied and a link to (feedback free) network coding is established.

Place, publisher, year, edition, pages
IEEE , 2006. 2052-2057 p.
, IEEE VTS Vehicular Technology Conference Proceedings, ISSN 1090-3038 ; 4
Keyword [en]
Network coding, network coded, ARQ, automatic repeat request, packet erasure channel, multiuser arq
National Category
Communication Systems
URN: urn:nbn:se:kth:diva-67334DOI: 10.1109/VETECS.2004.1390635ISI: 000259580101109ISBN: 978-0-7803-9391-2OAI: diva2:484846
2006 IEEE 63rd Vehicular Technology Conference, VTC 2006-Spring; Melbourne; 7 May 2006 through 10 July 2006
QC 20120219Available from: 2012-01-27 Created: 2012-01-27 Last updated: 2012-02-19Bibliographically approved

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Larsson, Peter
Communication Systems

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