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Interference Rejection in Systems Employing Transmit Diversity
KTH, Superseded Departments (pre-2005), Signals, Sensors and Systems.
KTH, Superseded Departments (pre-2005), Signals, Sensors and Systems.ORCID iD: 0000-0003-2298-6774
2002 (English)In: European Signal Processing Conference, ISSN 2219-5491, article id 7072230Article in journal (Refereed) Published
Abstract [en]

Space diversity methods provide excellent means for increasing the robustness against interference and noise in communication systems. This is well known for systems using multiple receive antennas and it holdsforsystems applying transmit diversity as well. In fact, the use of transmit diversity provide two independent means for reducing the impact of interference. Via the diversity gain and via the code rate, both related to the underlying space-time code. In this paper, we are considering the use of space diversity methods in conjunction with interference rejection combining (IRC) to mitigate the impact of interference and noise for interference limited scenarios. Transmit diversity schemes based on space-time block codes (STBC) are assumed. We elucidate the importance of taking into account the spatio-temporal correlation induced by cochannel users employing transmit diversity. A novel space-time IRC (STIRC) scheme is proposed to handle the problem. The STIRC scheme combines the simplicity of conventional IRC while taking the structure of interfering users into account. Simulation examples demonstrate significant gains compared to the use of conventional IRC.

Place, publisher, year, edition, pages
EUSIPCO , 2002. article id 7072230
Keywords [en]
interference, space diversity, robustness, multiple receive antennas, transmit diversity, interference rejection combining (IRC), space-time block codes (STBC), spatio-temporal correlation
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-77405Scopus ID: 2-s2.0-84960844885OAI: oai:DiVA.org:kth-77405DiVA, id: diva2:491559
Conference
11th European Signal Processing Conference, EUSIPCO 2002; Toulouse; France; 3 September 2002 through 6 September 2002
Note

QC 20160526

Available from: 2012-02-06 Created: 2012-02-06 Last updated: 2018-02-20Bibliographically approved

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Ottersten, Björn

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CiteExportLink to record
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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