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Timing and frequency synchronization in OFDM systems using the cyclic prefix
Luleå tekniska universitet.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.ORCID iD: 0000-0001-8647-436X
Luleå tekniska universitet.
1995 (English)In: Proceedings: 1995 International Symposium on Synchronization, Saalbau, Essen, Germany, December 14-15, 1995 / [ed] Kees A Schouhamer Immink ; A. J. Vinck, Shannon Foundation , 1995, 16-19 p.Conference paper, Published paper (Refereed)
Abstract [en]

We present a method for the joint estimation of timing and carrier-frequency offset in Orthogonal frequency-division multiplexing (OFDM) systems. We show that it is possible to generate these estimates without the use of pilots, by exploiting the cyclic prefix of OFDM frames. We derive the joint likelihood function of the offset-parameters given the received data. The performance of the resulting method can be improved considerably by averaging several likelihood functions before the peak detection. Simulations show that even without pilots the frequency estimator is capable of operating in a tracking mode and the timing estimation can be used in an acquisition mode.

Place, publisher, year, edition, pages
Shannon Foundation , 1995. 16-19 p.
National Category
Signal Processing
Research subject
Signal Processing
Identifiers
URN: urn:nbn:se:ltu:diva-30217Local ID: 3f7d8870-dfd2-11dc-9e29-000ea68e967bOAI: oai:DiVA.org:ltu-30217DiVA: diva2:1003444
Conference
International Symposium on Synchronization : 14/12/1995 - 15/12/1995
Note
Godkänd; 1995; 20080220 (ysko)Available from: 2016-09-30 Created: 2016-09-30 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
  • ieee
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  • vancouver
  • Other style
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  • de-DE
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Output format
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