A Robust OFDMA Channel Estimation Against Imperfect Synchronization 


Vol. 30,  No. 8, pp. 649-655, Aug.  2005


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  Abstract

We propose a robust channel estimation method against imperfect synchronization in orthogonal frequency division multiple access (OFDMA) downlink systems. We address time and frequency synchronization, and the channel estimation at the same time, and try to minimize the error propagation from the time and frequency synchronization steps into the channel estimation. The simulation results show that the proposed channel estimation method outperforms the conventional algorithms by about 3㏈, and circumvents the problem of mismatch among the synchronization tasks.

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  Cite this article

[IEEE Style]

S. Chae, E. Kim, N. Kim, "A Robust OFDMA Channel Estimation Against Imperfect Synchronization," The Journal of Korean Institute of Communications and Information Sciences, vol. 30, no. 8, pp. 649-655, 2005. DOI: .

[ACM Style]

Soo-Jin Chae, Eun-Ju Kim, and Nak-Myeong Kim. 2005. A Robust OFDMA Channel Estimation Against Imperfect Synchronization. The Journal of Korean Institute of Communications and Information Sciences, 30, 8, (2005), 649-655. DOI: .

[KICS Style]

Soo-Jin Chae, Eun-Ju Kim, Nak-Myeong Kim, "A Robust OFDMA Channel Estimation Against Imperfect Synchronization," The Journal of Korean Institute of Communications and Information Sciences, vol. 30, no. 8, pp. 649-655, 8. 2005.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880