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Spatially Coupled LDPC Codes for Two-User Decode-and-Forward Relaying'

Stefan Schwandter ; Alexandre Graell i Amat (Institutionen för signaler och system, Kommunikationssystem) ; Gerald Matz
2012 7th International Symposium on Turbo Codes and Iterative Information Processing, ISTC 2012, Gothenburg, 27 - 31 August 2012 (2165-4700). p. 46-50. (2012)
[Konferensbidrag, refereegranskat]

We present a decode-and-forward transmission scheme that is based on spatially coupled LDPC codes and applies to a network consisting of two sources, one relay, and one destination. The relay performs network coding to achieve full diversity. We prove analytically that the proposed scheme achieves the Shannon limit on the binary erasure relay channel for symmetric channel conditions. Using density evolution, we furthermore demonstrate that our scheme approaches capacity also for asymmetric channel conditions.

Article number 6325196

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Denna post skapades 2012-12-14. Senast ändrad 2016-06-30.
CPL Pubid: 167859


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Institutionen för signaler och system, Kommunikationssystem (1900-2017)


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