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An analysis of two-...
An analysis of two-dimensional pilot-symbol assisted modulation for OFDM
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- Nilsson, Rickard (author)
- Luleå tekniska universitet,Signaler och system
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- Edfors, Ove (author)
- Lund University,Lunds universitet,Luleå tekniska universitet,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
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- Börjesson, Per Ola (author)
- Lund University,Lunds universitet,Luleå tekniska universitet,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, 1997
- 1997
- English.
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In: 1997 IEEE International Conference on Personal Wireless Communications, Mumbai, India, December 17 - 19, 1997. - Piscataway, NJ : IEEE Communications Society. - 0780342984 ; , s. 71-74
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Abstract
Subject headings
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- In this paper we analyze two-dimensional (2D) pilot-symbol assisted modulation (PSAM) for wireless orthogonal frequency-division multiplexing (OFDM). 2D-PSAM has been suggested for wireless OFDM by several authors and is included in a preliminary draft of the standard for European digital video broadcast. We generalize the analysis of single-carrier PSAM to the 2D time-frequency lattice of OFDM. We analyze 2D-PSAM for two different channel estimators: one with good performance and high complexity and one suboptimal with low complexity. We verify that a good rule of thumb is to place the pilots at least as twice as close, in time and frequency, as required by the 2D sampling theorem.
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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