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Analysis of Network Coded HARQ for Multiple Unicast Flows
KTH, School of Electrical Engineering (EES), Communication Theory.ORCID iD: 0000-0002-6026-322X
School of Engineering and Applied Sciences, Harvard University, 33 Oxford Street, Cambridge, MA 02138, U.S.A.
School of Engineering and Applied Sciences, Harvard University, 33 Oxford Street, Cambridge, MA 02138, U.S.A.
School of Engineering and Applied Sciences, Harvard University, 33 Oxford Street, Cambridge, MA 02138, U.S.A.
2010 (English)In: In proc. of The 2010 IEEE International Conference of Communications (ICC2010), Cape Town, South Africa, June 201, IEEE , 2010Conference paper, Published paper (Refereed)
Abstract [en]

In this paper, we consider network coded (NCed)Hybrid-ARQ (HARQ) for multiple unicast flows. The main contribution of the paper is the derivation of throughput expressionfor NCed HARQ with arbitrary number of users in i.i.d. channels.We apply the result to Rayleigh fading channels for incrementalredundancy (IR) and chase combining (CC) based NCed HARQ.We verify the analytical approach with simulations. We observesubstantial SNR improvements over regular ARQ with networkcoding as well as classical (H)ARQ. The SNR gains in the highand low throughput regimes are mainly due to the networkcoding and HARQ aspects, respectively. For low SNRs, NCedHARQ with IR surpasses the CC performance.

Place, publisher, year, edition, pages
IEEE , 2010.
Series
IEEE International Conference on Communications, ISSN 1550-3607
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:kth:diva-66791ISI: 000290335600024ISBN: 978-1-4244-6404-3 (print)OAI: oai:DiVA.org:kth-66791DiVA: diva2:484672
Conference
2010 IEEE International Conference on Communications, Cape Town, SOUTH AFRICA, MAY 23-27, 2010
Note
© 2010 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. Qc 20120203Available from: 2012-02-03 Created: 2012-01-27 Last updated: 2012-02-03Bibliographically approved

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