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Optimal transmit strategy for MIMO channels with joint sum and per-antenna power constraints
KTH, School of Electrical Engineering (EES), Information Science and Engineering. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-0108-0749
KTH, School of Electrical Engineering (EES), Information Science and Engineering. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
2017 (English)In: 2017 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), IEEE, 2017, p. 3569-3573Conference paper, Published paper (Refereed)
Abstract [en]

This paper studies optimal transmit strategies for multiple-input multiple-output (MIMO) Gaussian channels with joint sum and per-antenna power constraints. It is shown that if an unconstraint optimal allocation for an antenna exceeds a per-antenna power constraint, then the maximal power for this antenna is used in the constraint optimal transmit strategy. This observation is then used in an iterative algorithm to compute the optimal transmit strategy in closed-form. Finally, a numerical example is provided to illustrate the theoretical results.

Place, publisher, year, edition, pages
IEEE, 2017. p. 3569-3573
Series
International Conference on Acoustics Speech and Signal Processing ICASSP, ISSN 1520-6149
Keywords [en]
MIMO, sum power constraint, per-antenna power constraints, transmit strategy
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:kth:diva-209931DOI: 10.1109/ICASSP.2017.7952821ISI: 000414286203146Scopus ID: 2-s2.0-85023761054ISBN: 978-1-5090-4117-6 (print)OAI: oai:DiVA.org:kth-209931DiVA, id: diva2:1115269
Conference
2017 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 5-9 March 2017, New Orleans, LA, USA
Note

QC 20170627

Available from: 2017-06-26 Created: 2017-06-26 Last updated: 2018-01-12Bibliographically approved

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