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Constrained Complexity Spatio-Temporal Interference Rejection Combining
KTH, Superseded Departments, Signals, Sensors and Systems.
KTH, Superseded Departments, Signals, Sensors and Systems.ORCID iD: 0000-0003-2298-6774
1999 (English)In: Proceedings of SPAWC’99, Signal Processing Advances in Wireless Communications, IEEE , 1999, 110-113 p.Conference paper, Published paper (Refereed)
Abstract [en]

Space-time processing for co-channel interference (CCI) rejection and equalization with antenna arrays may provide large gains over space-only processing, especially in interference limited scenarios. However, taking thetemporal correlation of the noise and CCI process into account leads to sequence detection with highercomplexity as compared to space-only processing that neglects this correlation. We propose the use of the generalized Viterbi algorithm for sequence detection with lower complexity. Special cases include the M-algorithm and the delayed decision feedback sequence estimator. A relevant comparison between spatial andspatio-temporal processing with sequence detectors of the same complexity may thus be performed. Numerical examples show substantial gains for spatio-temporal processing as compared to space-only processing also in this case when the optimality of the sequence detector is traded for interference rejection.

Place, publisher, year, edition, pages
IEEE , 1999. 110-113 p.
Keyword [en]
Antenna arrays, Detectors, Downlink, Gaussian noise, Interchannel interference, Interference constraints, Intersymbol interference, Radiofrequency interference, Reactive power, Viterbi algorithm
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-92541DOI: 10.1109/SPAWC.1999.783031OAI: oai:DiVA.org:kth-92541DiVA: diva2:513558
Conference
2nd IEEE Workshop on Signal Processing Advances in Wireless Communications. SPAWC '99. 09-12 May 1999, Annapolis, MD
Note
NR 20140805Available from: 2012-04-02 Created: 2012-04-02 Last updated: 2012-04-02Bibliographically 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
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