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Symbol time offset estimation in coherent OFDM systems
Department of Electrosciences, Lund Institute of Technology.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.ORCID iD: 0000-0001-8647-436X
Luleå tekniska universitet.
Department of Electrosciences, Lund Institute of Technology.
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1999 (English)In: IEEE International Conference on Communications: ICC '99, Piscataway, NJ: IEEE Communications Society, 1999, Vol. 1, p. 500-505Conference paper, Published paper (Refereed)
Abstract [en]

This paper presents a symbol time offset estimator for coherent OFDM systems. This estimator exploits both the redundancy in the cyclic prefix and the pilot symbols used for channel estimation. The estimator is robust against frequency offsets and is suitable for use in dispersive channels. We base the estimator on the ML estimator for the AWGN channel. Simulations of an example system indicate a system performance as close as 0.3 dB to a perfectly synchronized system. Compared to an estimator not using pilots, our estimator's performance could allow a shorter cyclic prefix and thus a more spectrally efficient system

Place, publisher, year, edition, pages
Piscataway, NJ: IEEE Communications Society, 1999. Vol. 1, p. 500-505
National Category
Signal Processing
Research subject
Signal Processing
Identifiers
URN: urn:nbn:se:ltu:diva-37961DOI: 10.1109/ICC.1999.767990Local ID: c2ca1fc0-e128-11dc-9e29-000ea68e967bISBN: 0-7803-5284-X (print)OAI: oai:DiVA.org:ltu-37961DiVA, id: diva2:1011460
Conference
IEEE International Conference on Communications : 06/06/1999 - 10/06/1999
Note
Godkänd; 1999; 20080222 (ysko)Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2017-11-25Bibliographically approved

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Beek, Jaap van de

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
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More styles
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  • de-DE
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  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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  • asciidoc
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