A Modified Pilot Symbol based Channel Estimation Technique Using Cross-Correlation for OFDM Systems 


Vol. 36,  No. 7, pp. 467-474, Jul.  2011


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  Abstract

The performance of pilot-symbol-assisted channel estimation widely used for OFDM systems is degraded due to the small number of pilot symbols used for higher transmission efficiency. In this paper, we propose a pilot symbol based channel estimation using cross-correlation to improve the estimation performance of the OFDM system with small number of pilot symbols. The proposed technique detects a data symbol using the channel estimated by the pilot symbol and estimates the channel using the estimated data symbol and the pilot symbol. It is shown by computer simulations that the proposed technique outperforms the conventional pilot symbol assisted estimation technique.

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  Cite this article

[IEEE Style]

J. Wee and Y. Cho, "A Modified Pilot Symbol based Channel Estimation Technique Using Cross-Correlation for OFDM Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 7, pp. 467-474, 2011. DOI: .

[ACM Style]

Jungwook Wee and Yong-Soo Cho. 2011. A Modified Pilot Symbol based Channel Estimation Technique Using Cross-Correlation for OFDM Systems. The Journal of Korean Institute of Communications and Information Sciences, 36, 7, (2011), 467-474. DOI: .

[KICS Style]

Jungwook Wee and Yong-Soo Cho, "A Modified Pilot Symbol based Channel Estimation Technique Using Cross-Correlation for OFDM Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 7, pp. 467-474, 7. 2011.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880