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Partial Marginalization Soft MIMO Detection with Higher Order Constellations
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-7599-4367
2011 (English)In: IEEE Transactions on Signal Processing, ISSN 1053-587X, E-ISSN 1941-0476, Vol. 59, no 1, 453-458 p.Article in journal (Refereed) Published
Abstract [en]

A new method for multiple-input multiple-output (MIMO) detection with soft-output, the partial marginalization (PM) algorithm, was recently proposed. Advantages of the method are that it is straightforward to parallelize, and that it offers a fully predictable runtime. PM trades performance for computational complexity via a user-defined parameter. In the limit of high computational complexity, the algorithm becomes the MAP demodulator. The PM algorithm also works with soft-input, but until now it has been unclear how to apply it for other modulation formats than binary phase-shift keying (BPSK) per real dimension. In this paper, we explain how to extend PM with soft-input to general signaling constellations, while maintaining the low complexity advantage of the original algorithm.

Place, publisher, year, edition, pages
IEEE , 2011. Vol. 59, no 1, 453-458 p.
Keyword [en]
detection, soft-input, soft-output, map, zero-forcing with decision feedback
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-58524DOI: 10.1109/TSP.2010.2068293ISI: 000285519200040OAI: oai:DiVA.org:liu-58524DiVA: diva2:343404
Note
©2010 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. Daniel Persson and Erik G. Larsson, Partial Marginalization Soft MIMO Detection with Higher Order Constellations, 2010, IEEE Transactions on Signal Processing. http://dx.doi.org/10.1109/TSP.2010.2068293 Available from: 2010-08-13 Created: 2010-08-13 Last updated: 2017-12-12

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Persson, DanielLarsson, Erik G.

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