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PAR-aware multi-user precoder for the large-scale MIMO-OFDM downlink
Rice University, Houston, TX, USA.
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0002-7599-4367
2012 (English)Conference paper, Published paper (Refereed)
Abstract [en]

We consider an orthogonal frequency-division multiplexing (OFDM)-based downlink transmission scheme for large-scale multi-user (MU) multiple-input multiple-output (MIMO) wireless systems. In order to transmit signals with low peak-to-average (power) ratio (PAR), we propose to exploit the massive degrees-of-freedom available in large-scale MU-MIMO-OFDM systems. Specifically, we jointly perform MU precoding, OFDM modulation, and PAR reduction by solving a convex optimization problem at the base station. Numerical results demonstrate tremendous PAR-reduction capabilities of the proposed method, which eventually enables us to use low-cost RF components for the large-scale MU-MIMO-OFDM downlink.

Place, publisher, year, edition, pages
2012. 806-810 p.
Series
2012 International Symposium on Wireless Communication Systems (ISWCS), ISSN 2154-0217
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:liu:diva-129058DOI: 10.1109/ISWCS.2012.6328479ISBN: 978-1-4673-0760-4 (print)ISBN: 978-1-4673-0761-1 (print)OAI: oai:DiVA.org:liu-129058DiVA: diva2:935041
Conference
2012 International Symposium on Wireless Communication Systems (ISWCS). 28-31 Aug. 2012, Paris
Available from: 2016-06-09 Created: 2016-06-09 Last updated: 2016-06-27

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Erik G., Larsson
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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
  • html
  • text
  • asciidoc
  • rtf