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Search: AMNE:(ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering Signal Processing) > (1995-1999) > OFDM channel estima...

OFDM channel estimation by singular value decomposition

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
Sandell, Magnus (author)
Luleå tekniska universitet,Signaler och system
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
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.
In: Mobile technology for the human race. - Piscataway, NJ : IEEE Communications Society. - 0780331575 ; , s. 923-927
  • Conference paper (peer-reviewed)
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

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