Fast Frequency Synchronization Method for OFDM Systems 


Vol. 27,  No. 12, pp. 1197-1207, Dec.  2002


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  Abstract

In this paper, we propose a coarse estimation scheme of carrier frequency offset in orthogonal frequency division multiplexing (OFDM) systems. the proposed method uses the correlation between the subcarriers, which is given intentionally to the training symbols, to estimate the integer part of the relative frequency offset. The algorithm can correct relatively wide range of carrier frequency offset with much lower computational complexity compared to the conventional cross-correlation-based methods. Simulation results show that the variance of the final estimates obtained by the proposed coarse estimator including the conventional fine estimator approaches the Cramer-Rao lower bound at resonable range of signal-to-noise ratios (SNR's)

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  Cite this article

[IEEE Style]

S. Kim, B. Seo, J. Park, "Fast Frequency Synchronization Method for OFDM Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 12, pp. 1197-1207, 2002. DOI: .

[ACM Style]

Su-Chang Kim, Bo-Seok Seo, and Jinwoo Park. 2002. Fast Frequency Synchronization Method for OFDM Systems. The Journal of Korean Institute of Communications and Information Sciences, 27, 12, (2002), 1197-1207. DOI: .

[KICS Style]

Su-Chang Kim, Bo-Seok Seo, Jinwoo Park, "Fast Frequency Synchronization Method for OFDM Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 12, pp. 1197-1207, 12. 2002.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880