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Sawtooth relaying
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-7926-5081
2008 (English)In: IEEE Communications Letters, ISSN 1089-7798, E-ISSN 1558-2558, Vol. 12, no 9, 612-614 p.Article in journal (Refereed) Published
Abstract [en]

We consider the three-node AWGN relay channel with a memoryless relay, in contrast to the conventional decode-and-forward or compress-and-forward schemes, which require complex encoding and decoding processing at the relay. We model the operation of the relay as a single-variable deterministic mapping. We then in particular propose to use a "modulo function" or a "triangular function" to implement the mapping at the relay. Since both these have a sawtooth-like shape we coin the term "sawtooth relaying." We demonstrate significantly improved achievable rates of our proposed schemes over the conventional memoryless amplify-and-forward relaying.

Place, publisher, year, edition, pages
IEEE Communications Society , 2008. Vol. 12, no 9, 612-614 p.
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-17822DOI: 10.1109/lcomm.2008.080684ISI: 000259192100002Scopus ID: 2-s2.0-52649108678OAI: oai:DiVA.org:kth-17822DiVA: diva2:335867
Note
QC 20100525 QC 20111215Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved

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Skoglund, Mikael

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