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Robust Blind Second-Order Deconvolution
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- Gorokhov, Alexei (author)
- Ecole Sup ́ rieure d’Electricit ́, 91192 Gif-sur-Yvette, France.
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- Kristensson, Martin (author)
- KTH,Signalbehandling
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- Ottersten, Björn, 1961- (author)
- KTH,Signalbehandling
- Ecole Sup ́ rieure d’Electricit ́, 91192 Gif-sur-Yvette, France Signalbehandling (creator_code:org_t)
- IEEE Signal Processing Society, 1999
- 1999
- English.
- In: IEEE Signal Processing Letters. - : IEEE Signal Processing Society. - 1070-9908 .- 1558-2361. ; 6:1, s. 13-16
- Journal article (peer-reviewed)
Abstract
Subject headings
Close
- Second-order blind deconvolution of single input multiple output (SIMO) finite impulse response (FIR) channels is considered. A major drawback of several blind diversity techniques using antenna arrays/temporal-oversampling is high sensitivity to the choice of the model order. In this contribution, a robust method using only the second-order statistics is described. It provides high and robust estimation accuracy even for a limited sample size and an unknown model order. In contrast to other suggested approaches, that often exploit properties valid only in the large sample case, the proposed method is applicable both in the large sample and high signal-to-noise ratio (SNR) scenario.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Signalbehandling (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Signal Processing (hsv//eng)
Keyword
- Antenna arrays
- Blind equalizers
- Covariance matrix
- Deconvolution
- Finite impulse response filter
- Noise robustness
- Signal processing algorithms
- Signal to noise ratio
- Statistics
- Transfer functions
Publication and Content Type
- ref (subject category)
- art (subject category)
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