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Bandwidth efficient compress-and-forward relaying based on joint source-channel coding
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre. KTH, School of Electrical Engineering (EES), Communication Theory.ORCID iD: 0000-0001-9307-484X
KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre. KTH, School of Electrical Engineering (EES), Communication Theory.ORCID iD: 0000-0002-7926-5081
2011 (English)In: 2011 IEEE Wireless Communications and Networking Conference, WCNC 2011, IEEE conference proceedings, 2011, 1800-1804 p.Conference paper, Published paper (Refereed)
Abstract [en]

We propose a new code design for compress-and-forward relaying over bandlimited relay-to-destination channels. The main contribution of this paper is a code design based on joint (source-channel) coding and modulation that uses the correlation between the observations at the relay and the destination as protection against channel errors. This allows for relay nodes with reduced complexity, shifting most of the processing requirements to the destination node. Moreover, by using scalar quantizers with an entropy constraint our system provides remarkable performance in channel conditions where neither amplify-and-forward nor compress-and-forward efficiently exploit the presence of a relay node. Simulation results confirm the benefits of our proposed system.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2011. 1800-1804 p.
Keyword [en]
Decoding, Encoding, Iterative decoding, Joints, Modulation, Relays, Strontium
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-43726DOI: 10.1109/WCNC.2011.5779406ISI: 000297160200308Scopus ID: 2-s2.0-79959320837ISBN: 978-1-61284-255-4 (print)OAI: oai:DiVA.org:kth-43726DiVA: diva2:460949
Conference
IEEE Wireless Communications and Networking Conference, WCNC 2011. Cancun. 28 March 2011 - 31 March 2011
Funder
EU, FP7, Seventh Framework Programme, 216076ICT - The Next Generation
Note
© 2011 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 20111207Available from: 2012-01-17 Created: 2011-10-18 Last updated: 2012-06-13Bibliographically approved

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Thobaben, RagnarSkoglund, Mikael

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