Pilot-Aided Iterative Frequency Offset Estimation for Digital Video Broadcasting Systems 


Vol. 32,  No. 5, pp. 484-489, May  2007


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  Abstract

The main disadvantage of orthogonal frequency division multiplexing (OFDM) systems is its sensitivity to carrier frequency offset and timing offset. This paper proposes a simple way of improving the performance of the integer frequency offset (IFO) estimator in OFDM-based digital video broadcasting (DVB) system. By modifying the conventional maximum likelihood (ML) estimator to have multi-stage estimation strategy, IFO estimator is derived. Simulations indicate that the proposed IFO estimator works robustly with reduced computational burden when compared to ML estimator.

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  Cite this article

[IEEE Style]

K. Lee and J. Seo, "Pilot-Aided Iterative Frequency Offset Estimation for Digital Video Broadcasting Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 5, pp. 484-489, 2007. DOI: .

[ACM Style]

Kyung-Taek Lee and Jong-Soo Seo. 2007. Pilot-Aided Iterative Frequency Offset Estimation for Digital Video Broadcasting Systems. The Journal of Korean Institute of Communications and Information Sciences, 32, 5, (2007), 484-489. DOI: .

[KICS Style]

Kyung-Taek Lee and Jong-Soo Seo, "Pilot-Aided Iterative Frequency Offset Estimation for Digital Video Broadcasting Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 5, pp. 484-489, 5. 2007.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880