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Differential space-time block code modulation for DS-CDMA systems
Department of Electrical and Computer Engineering, University of Florida, USA.
Department of Electrical and Computer Engineering, University of Florida, USA.
Department of Electrical and Computer Engineering, University of Florida, USA.ORCID iD: 0000-0002-7599-4367
2002 (English)In: EURASIP Journal on Advances in Signal Processing, ISSN 1687-6172, E-ISSN 1687-6180, no 3, 289-296 p.Article in journal (Refereed) Published
Abstract [en]

A differential space-time block code (DSTBC) modulation scheme is used to improve the performance of DS-CDMA systems in fast time-dispersive fading channels. The resulting scheme is referred to as the differential space-time block code modulation for DS-CDMA (DSTBC-CDMA) systems. The new modulation and demodulation schemes are especially studied for the down-link transmission of DS-CDMA systems. We present three demodulation schemes, referred to as the differential space-time block code Rake (D-Rake) receiver, differential space-time block code deterministic (D-Det) receiver, and differential space-time block code deterministic de-prefix (D-Det-DP) receiver, respectively. The D-Det receiver exploits the known information of the spreading sequences and their delayed paths deterministically besides the Rake type combination; consequently, it can outperform the D-Rake receiver, which employs the Rake type combination only. The D-Det-DP receiver avoids the effect of intersymbol interference and hence can offer better performance than the D-Det receiver.

Place, publisher, year, edition, pages
2002. no 3, 289-296 p.
Keyword [en]
wireless communications, space-time coding, smart antennas, spread spectrum, DS-CDMA, Rake receiver
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-77113DOI: 10.1155/S1110865702000598OAI: oai:DiVA.org:liu-77113DiVA: diva2:524884
Available from: 2012-05-04 Created: 2012-05-04 Last updated: 2017-12-07Bibliographically approved

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Larsson, Erik G.

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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
  • 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