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The MISO Interference Channel from a Game-theoretic Perspective: A Combination of Selfishness and Altruism Achieves Pareto Optimality
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 33rd IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP'08), IEEE , 2008, 5364-5367 p.Conference paper, Published paper (Refereed)
Abstract [en]

Recently, it was shown that the rates at the non-cooperative Nash equilibrium (NE) strategy are poor especially in the medium and high SNR regimes. A reasonable outcome of the cooperative approach, close to the Pareto boundary of the achievable rate region, was shown to be the zero-forcing (ZF) strategy. In this work, we prove that any point on the Pareto boundary can be achieved by a certain linear combination of the NE and ZF strategies. A scalar weight per user chooses between "selfish" (NE) and altruistic (ZF) behavior. Thereby, the difficult beamforming optimization is reduced to a simple weight optimization. Different optimal operating points, e.g. maximum weighted sum-rate, the Nash-bargaining solution, or the Egalitarian solution, can be obtained by a computationally efficient iterative algorithm. The results are characterized by instantaneous achievable rate regions and the corresponding operating points.

Place, publisher, year, edition, pages
IEEE , 2008. 5364-5367 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-25603DOI: 10.1109/ICASSP.2008.4518872ISBN: 978-1-4244-1483-3 (print)OAI: oai:DiVA.org:liu-25603DiVA: diva2:246086
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
Permanent link

Direct link
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
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf