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Linear Precoding in Multiple-antenna Broadcast Channels: Efficient Computation of the Achievable Rate Region
Dresden University of Technology, Germany.
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-7599-4367
2008 (English)In: Proceedings of the International ITG Workshop on Smart Antennas (WSA'08), 2008, 21-28 p.Conference paper, Published paper (Refereed)
Abstract [en]

This paper studies the achievable rate region of the two-use rmultiple antenna broadcast channel with linear precoding. It consists of two parts: In the first part, the set of beamformingvectors which achieve points on the Pareto boundary are characterized by a single real valued parameter per user. It is shown that a certain linear combination of the zero-forcing (ZF) beamforming vector and the maximum ratio-transmission (MRT) beamforming vector can achieve all Pareto boundary points of the rate region. In the second part, an iterative algorithm is proposed to compute the maximum sum-rate. Based on the characterization of the Pareto boundary, we develop an outer approximation algorithm for monotonic optimization using polyblocks. Numerical examples provide comparisons between rate and capacity regions as well as between the maximum sum-rate and maximum capacity operating points.

Place, publisher, year, edition, pages
2008. 21-28 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-25604DOI: 10.1109/WSA.2008.4475532ISBN: 978-1-4244-1756-8 (print)OAI: oai:DiVA.org:liu-25604DiVA: diva2:246089
Available from: 2009-10-08 Created: 2009-10-08 Last updated: 2016-08-31

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Larsson, Erik G.

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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  • Other style
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Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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  • text
  • asciidoc
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