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OFDM channel estima...
OFDM channel estimation by singular value decomposition
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- Edfors, Ove (author)
- Lund University,Lunds universitet,Luleå tekniska universitet,Signaler och system,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH
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- Sandell, Magnus (author)
- Luleå tekniska universitet,Signaler och system
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- van de Beek, Jaap (author)
- Luleå tekniska universitet,Signaler och system
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- Wilson, Sarah Kate (author)
- School of Electrical and Computer Engineering, Purdue University, West Lafayette, IN, USA
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- Börjesson, Per Ola (author)
- Lund University,Lunds universitet,Luleå tekniska universitet,Signaler och system,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH
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(creator_code:org_t)
- Piscataway, NJ : IEEE Communications Society, 1996
- 1996
- English.
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In: Mobile technology for the human race. - Piscataway, NJ : IEEE Communications Society. - 0780331575 ; , s. 923-927
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Abstract
Subject headings
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- A new approach to low-complexity channel estimation in orthogonal-frequency division multiplexing (OFDM) systems is proposed. A low-rank approximation is applied to a linear minimum mean-squared error (LMMSE) estimator that uses the frequency correlation of the channel. By using the singular-value decomposition (SVD) an optimal low-rank estimator is derived, where performance is essentially preserved - even for low computational complexities. A fixed estimator, with nominal values for channel correlation and signal-to-noise ratio (SNR), is analysed. Analytical mean-squared error (MSE) and symbol-error rates (SER) are presented for a 16-QAM OFDM system.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Signalbehandling (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Signal Processing (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Keyword
- Signalbehandling
- Signal Processing
Publication and Content Type
- ref (subject category)
- kon (subject category)
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