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On Distributed Codes with Noisy Relays
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0001-9307-484X
2008 (English)In: 2008 42ND ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS AND COMPUTERS / [ed] Matthews MB, 2008, 1010-1014 p.Conference paper (Refereed)
Abstract [en]

In this paper, we address the design of distributed schemes for the 3-node relay channel with half-duplex constraint. We first discuss the general problem of optimally re-encoding noisy data at the relay and summarize recently proposed approximations. Based on an analysis of the extrinsic information transfer characteristics of the component codes we investigate the potential of "weak" Turbo or LDPC codes which are employed by the source node in order to increase the reliability of the relay when decoding is not possible. The results show that we can indeed gain from the proposed code design.

Place, publisher, year, edition, pages
2008. 1010-1014 p.
, Conference record of the Asilomar conference on signals, systems and computers, ISSN 1058-6393
Keyword [en]
National Category
Computer Science
URN: urn:nbn:se:kth:diva-28944DOI: 10.1109/ACSSC.2008.5074564ISI: 000274551000192ScopusID: 2-s2.0-70349655729ISBN: 978-1-4244-2940-0OAI: diva2:399554
42nd Asilomar Conference on Signals, Systems and Computers Pacific Grove, CA, OCT 26-29, 2008

QC 20110222

Available from: 2011-02-22 Created: 2011-01-25 Last updated: 2016-05-12Bibliographically approved

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