Novel Integer Frequency Offset Detection Method for OFDM Systems 


Vol. 34,  No. 6, pp. 656-663, Jun.  2009


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  Abstract

Recently, frequency offset estimation method for orthogonal frequency division multiplexing has been proposed by Ren et al. (REA)[9]. The method can estimate an frequency offset independently from training symbol structure. In REA method, however, the detection probability of integer frequency offset is varying according to fractional frequency offset. In this paper, we first analysis REA frequency offset estimation method, and define new detection criteria suitable for the method. Then, we propose efficient integer frequency offset estimation method based on the new detection criteria and maximum likelihood method. The proposed method still has the advantages of REA method, while overcome the drawback. The numerical results demonstrate that the proposed methods outperform the REA method, in terms of integer frequency offset detection probability.

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  Cite this article

[IEEE Style]

C. Song, T. Yoon, M. Lee, Y. Lee, S. Kim, S. Yoon, "Novel Integer Frequency Offset Detection Method for OFDM Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 6, pp. 656-663, 2009. DOI: .

[ACM Style]

Chonghan Song, Taeung Yoon, Myungsoo Lee, Youngyoon Lee, Sanghun Kim, and Seokho Yoon. 2009. Novel Integer Frequency Offset Detection Method for OFDM Systems. The Journal of Korean Institute of Communications and Information Sciences, 34, 6, (2009), 656-663. DOI: .

[KICS Style]

Chonghan Song, Taeung Yoon, Myungsoo Lee, Youngyoon Lee, Sanghun Kim, Seokho Yoon, "Novel Integer Frequency Offset Detection Method for OFDM Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 6, pp. 656-663, 6. 2009.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880