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On the joint design of beamforming and user scheduling in multi-cell MIMO uplink networks
KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
2015 (English)In: IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC, IEEE conference proceedings, 2015, 428-432 p.Conference paper, Published paper (Refereed)
Resource type
Text
Abstract [en]

Due to the difficulty of coordination in cellular uplink networks, it is a practical challenge to achieve better throuhgput with a distributed scheduling. Futhermore, multIPle antennas at mobile stations (MSs) can be utilized for reducing interference or for improving the desired signal strength. In this paper, we investigate a joint design of beamforming and user scheduling for multi-cell multIPle input multIPle output (MIMO) uplink networks. In the proposed scheme, each BS with M antennas adopts M random beamforming techniques and each MS with L antennas utilizes a single beamforming vector which minimizes the sum power of generating interferences to home cell as well as other cells. In each cell, then, the BS selects M MSs such that both sufficiently large desired signal power and sufficiently small generating interference are guaranteed. Numerical results show that the proposed scheme outperforms the existing distributed schemes in terms of sum-rate in practical environments.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2015. 428-432 p.
Keyword [en]
beamforming, MIMO interfering multIPle access channel, multiuser diversity, user scheduling, Antennas, Cells, Communication channels (information theory), Local area networks, MIMO systems, Radio communication, Scheduling, Signal interference, Distributed scheduling, Distributed schemes, Mobile station (MSs), Multiple access channels, Numerical results, Random beamforming, Cytology
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-181558DOI: 10.1109/PIMRC.2014.7136203Scopus ID: 2-s2.0-84944321178ISBN: 9781479949120 (print)OAI: oai:DiVA.org:kth-181558DiVA: diva2:909474
Conference
2014 25th IEEE Annual International Symposium on Personal, Indoor, and Mobile Radio Communication, IEEE PIMRC 2014, 2 September 2014 through 5 September 2014
Note

QC 20160307

Available from: 2016-03-07 Created: 2016-02-02 Last updated: 2016-03-07Bibliographically approved

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CiteExportLink to record
Permanent link

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Cite
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