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Statistical Precoding and Detection Ordering in MIMO Multiple-Access Channels with Decision Feedback Equalization
KTH, School of Electrical Engineering (EES), Signal Processing. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
KTH, School of Electrical Engineering (EES), Signal Processing. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre. (Signal Processing)ORCID iD: 0000-0003-2298-6774
Dresden University of Technology, Germany.
2011 (English)In: 2011 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS (ICC), New York: IEEE , 2011Conference paper, Published paper (Refereed)
Abstract [en]

We present a novel approach for joint transmitter-receiver design in the uplink of a wireless multiple-input multiple-output communication system. It applies to, e. g., a fast-fading frequency-division duplexing system with periodic pilot signaling from each user - a scenario hindering transmitter optimization based on channel state information (CSI), while CSI-based receiver optimization is possible. Each user multiplexes data onto several, independently coded data streams processed by a linear precoder, and detected at a base station (BS) employing zero-forcing decision feedback (DF) equalization, eliminating all interference prior to detection. We target the problem of jointly designing fixed linear precoders for all users as well as a fixed detection order for the DF receiver based on long-term channel statistics. We propose an efficiently implementable alternating-minimization technique that is verified numerically to converge fast, and to outperform the popular V-BLAST scheme -a computationally more complex ordered-DF receiver with limited applicability by requiring equal-rate data streams in the system.

Place, publisher, year, edition, pages
New York: IEEE , 2011.
Series
IEEE International Conference on Communications, ISSN 1550-3607
Keyword [en]
MIMO systems, communication systems, precoders, decision feedback equalizers, fading channels
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-55280DOI: 10.1109/icc.2011.5963271ISI: 000296057104152Scopus ID: 2-s2.0-80052171325ISBN: 978-1-61284-233-2 (print)OAI: oai:DiVA.org:kth-55280DiVA: diva2:471185
Conference
IEEE International Conference on Communications (ICC) JUN 05-09, 2011 Kyoto, JAPAN
Note

QC 20120102

Available from: 2012-01-02 Created: 2012-01-02 Last updated: 2016-05-02Bibliographically approved

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Ottersten, Björn

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CiteExportLink to record
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