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Optimal SNR exponent for discrete-input MIMO ARQ block-fading channels
University of Sydney, Australia.
University of South Australia.
University of South Australia. (Institute for Telecommunications Research)ORCID iD: 0000-0001-7182-9543
University of Sydney, Australia.
2007 (English)In: 2007 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY PROCEEDINGS, VOLS 1-7, 2007, 2291-2295 p.Conference paper (Other academic)
Abstract [en]

In this paper, we consider an automatic-repeat-request (ARQ) retransmission protocol signaling over a block-fading multiple-input, multiple-output (MIMO) channel. In particular, we consider fixed rate codes constructed over discrete complex signal constellations. We show that the optimal signal-to-noise ratio (SNR) exponent is given by a modified Singleton bound, relating all the system parameters. To demonstrate the practical significance of the theoretical analysis, we present numerical results showing that practical Singleton-bound-achieving maximum distance separable codes achieve the optimal SNR exponent.

Place, publisher, year, edition, pages
2007. 2291-2295 p.
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URN: urn:nbn:se:kth:diva-62627DOI: 10.1109/ISIT.2007.4557561ISI: 000257010202120OAI: diva2:480785
IEEE International Symposium on Information Theory. Nice, FRANCE. JUN 24-29, 2007
QC 20120306Available from: 2012-01-19 Created: 2012-01-19 Last updated: 2012-03-06Bibliographically approved

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Rasmussen, Lars Kildehöj

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