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Coordinated scheduling and beamforming for multicell spectrum sharing networks using branch & bound
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-7599-4367
2012 (English)In: Signal Processing Conference (EUSIPCO), 2012, IEEE COMPUTER SOC , 2012, 819-823 p.Conference paper, Published paper (Refereed)
Abstract [en]

We consider the downlink of a multicell network where neighboring multi-antenna base stations share the spectrum and coordinate their frequency and spatial resource allocation strategies to improve the overall network performance. The objective of the coordination is to maximize the number of users that can be scheduled, meeting their quality-of-service requirements with the minimum total transmit power. The coordinated scheduling and multiuser transmit beamforming problem is combinatorial; we formulate it as a mixed-integer second-order cone program and propose a branch and bound algorithm that yields the optimal solution with relatively low-complexity. The algorithm can be used to motivate or benchmark approximation methods and to numerically evaluate the gains due to spectrum sharing and coordination.

Place, publisher, year, edition, pages
IEEE COMPUTER SOC , 2012. 819-823 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-87989ISI: 000310623800165ISBN: 978-1-4673-1068-0 (print)OAI: oai:DiVA.org:liu-87989DiVA: diva2:600990
Conference
20th European Signal Processing Conference (EUSIPCO 2012), 27-31 August 2012, Bucharest, Romania
Available from: 2013-01-28 Created: 2013-01-28 Last updated: 2016-08-31

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Yu, LeiKaripidis, EleftheriosLarsson, Erik G.

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • 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
  • html
  • text
  • asciidoc
  • rtf