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Volume 28 Issue 8
Sep.  2010
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Liu Jun-lin, Deng Dan, Zhu Jin-kang, Qiu Ling. OFDM Time and Frequency Synchronization Based on Frequency Domain Correlation[J]. Journal of Electronics & Information Technology, 2006, 28(8): 1354-1359.
Citation: Liu Jun-lin, Deng Dan, Zhu Jin-kang, Qiu Ling. OFDM Time and Frequency Synchronization Based on Frequency Domain Correlation[J]. Journal of Electronics & Information Technology, 2006, 28(8): 1354-1359.

OFDM Time and Frequency Synchronization Based on Frequency Domain Correlation

  • Received Date: 2004-11-24
  • Rev Recd Date: 2005-08-11
  • Publish Date: 2006-08-19
  • A new time and frequency synchronization method based on frequency domain correlation for an Orthogonal Frequency Division Multiplexing (OFDM) system is presented. The time synchronization and carrier frequency offset estimation can be achieved simultaneously. The algorithms described here use one training sequence of just one symbol and the design of the symbol is presented. The carrier offset estimation can be got by the correlation result of time synchronization and the frequency synchronization algorithm can extend the frequency acquisition range to nearly the whole useful OFDM signal bandwidth. The efficacy of the synchronization algorithms is demonstrated experimentally.
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  • Bingham J A C. Multicarrier modulation for data transmission:An ideal whose time has come[J].IEEE Commun. Mag.1990, 28(5):5-[2]Zou W Y, Wu Y. COFDM: An overview. IEEE Trans. on Broadcasting, 1995, 41(1): 18.[3]Cimini L J, Li Y. Orthogonal frequency division multiplexing for wireless channel. IEEE Globecom98, Sydney Australia, November 8-12 1998, Tutorial Presentation.[4]Hiroshi Nogami, Toshio Nagashima. A frequency and timing period acquisition technique for mobile communication. PIMRC95,Toronto, September 27-29 1995: 10101015..[5]Giovanni Santella. A frequency and symbol synchronization system for OFDM signals: Architecture and simulation results. IEEE Trans. on Veh. Technology,2000, 49(1): 254275.[6]Schmidl T M, Cox D C. Robust frequency and timing synchronization for OFDM. IEEE Trans. on Communications,1997, 45(12): 16131621.[7]Alan J Coulson. Maximum likelihood synchronization for OFDM using a pilot symbol: algorithms. IEEE J. on Selected Areas on Communications,2001, 19(12): 24862494.
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