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Performance degradation due to blindness in separation of MIMO-FIR systems over COST207 channels
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.
2005 (English)In: 13th European Signal Precessing Conference (EUSIPCO): 4 - 8 September 2005, Antalya, Turkey ; [proceedings], Antalya, 2005, 748-751 p.Conference paper, Published paper (Refereed)
Abstract [en]

This paper considers the performance penalty of a blind, compared to a non-blind, separation technique of a MIMO-FIR channel. In the blind method the mixing filters are first identified, while they are assumed to be known in the non-blind case. The blind system identification is performed using a recently proposed method based on cumulant subspace decomposition. Separation is then achieved by the FIR part of the mixing system inverse, which minimizes the cross-channel power. The performance penalty due to blindness is investigated for the case when the channel order is underestimated. Results of average residual cross-channel power of the wireless COST207 channel model are included.

Place, publisher, year, edition, pages
Antalya, 2005. 748-751 p.
National Category
Signal Processing
Research subject
Signal Processing
Identifiers
URN: urn:nbn:se:ltu:diva-30805Local ID: 4c1eb2d0-95ae-11db-8975-000ea68e967bOAI: oai:DiVA.org:ltu-30805DiVA: diva2:1004034
Conference
European Signal Processing Conference : 04/09/2005 - 08/09/2005
Note
Godkänd; 2005; 20061227 (ysko)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-10-20Bibliographically approved

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CiteExportLink to record
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  • apa
  • ieee
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