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Beamforming and bit-loading strategies for multi-user SDMA with admission control
KTH, School of Electrical Engineering (EES), Signal Processing.ORCID iD: 0000-0002-3599-5584
Centre Tecnològic de Telecom. de Catalunya (CTTC).
Centre Tecnològic de Telecom. de Catalunya (CTTC).
2005 (English)In: IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC, 2005, Vol. 2, 842-846 p.Conference paper, Published paper (Refereed)
Abstract [en]

In this paper, we address the problem of transmit beamforming, power allocation, bit loading, and admission control in a multi-user scenario, where several single antenna mobile terminals are served by one base station equipped with an antenna array. In particular, we explore the impact of using either optimal or zero-forcing transmit beamforming schemes in combination with different bit allocation strategies, namely the Maximization of the Sum Rate (MSR), the Maximization of the Minimum Rate (MMR) and a modified version of the latter, for a finite set of modulation schemes. The performance evaluation is conducted by means of system-level simulations, using a realistic channel model for urban micro cells, with an emphasis not only on the aggregated cell throughput but also on the associated fairness issues.

Place, publisher, year, edition, pages
2005. Vol. 2, 842-846 p.
Keyword [en]
Access control, Antennas, Beamforming, Computer simulation, Mobile radio systems, Optimization, Bit loading, Maximization of the Sum Rate (MSR), Mobile terminals, Power allocation, Space division multiple access
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-35668Scopus ID: 2-s2.0-34047243262OAI: oai:DiVA.org:kth-35668DiVA: diva2:429227
Conference
2005 IEEE 16th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2005; Berlin
Note
QC 20110704Available from: 2011-07-04 Created: 2011-07-04 Last updated: 2011-11-04Bibliographically approved

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Bengtsson, Mats

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CiteExportLink to record
Permanent link

Direct link
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