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The spectral efficiency of 2 x 2 adaptive MIMO systems in spatially correlated Rayleigh fading channel
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS.
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS.
2007 (English)In: Proceedings of Future Generation Communication and Networking, FGCN 2007, IEEE Computer Society, 2007, 244-247 p.Conference paper, Published paper (Refereed)
Abstract [en]

In need for high-speed data transmission over wireless channels, multiple-input multiple-output (MIMO) technology has been suggested as it exhibits significant improvement in channel capacity. In practice, adaptive modulation scheme can be applied in different MIMO algorithms to further improve the system efficiency. In this paper, we derive closed-form expressions for the spectral efficiency of MIMO system utilizing two algorithms: Orthogonal Space-Time Block Coding (OSTBC) and spatial multiplexing with zero-forcing (ZF) receiver Furthermore, a low-complexity adaptive scheme that switches between OSTBC and ZF to achieve even a higher spectral efficiency is suggested based on the closed form expressions.

Place, publisher, year, edition, pages
IEEE Computer Society, 2007. 244-247 p.
Keyword [en]
adaptive modulation, MIMO, OSTBC, ZF, spatially correlated channel
National Category
Telecommunications Computer and Information Science
Identifiers
URN: urn:nbn:se:kth:diva-39381DOI: 10.1109/FGCN.2007.218ISI: 000252885900049Scopus ID: 2-s2.0-52249102909ISBN: 978-076953048-2 (print)OAI: oai:DiVA.org:kth-39381DiVA: diva2:440886
Conference
International Conference on Future Generation Communication Networking. Jeju Isl, South Korea. Dec 06-08, 2007
Note

QC 20141029

Available from: 2011-09-14 Created: 2011-09-09 Last updated: 2014-10-29Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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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
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  • asciidoc
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