Noise Reduction by Using Eigenfilter in Cyclic Prefix System Based on SNR 


Vol. 39,  No. 10, pp. 700-707, Oct.  2014


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  Abstract

In this paper, we propose the noise reduction method by using the eigenfilter in cyclic prefix system based on SNR. To obtain the signal eigenvectors for the eigenfiltering, we propose a method of obtaining the autocorrelation matrix by exploiting the circulant property of the received block which results from the cyclic extension of the OFDM symbol. Since the structures of the transmitter and the receiver are not changed, the proposed method is easy to apply to the conventional OFDM system. To verify the proposed method, we evaluate the persistency of excitation (POE) criterion for the input and demonstrate the effectiveness of the proposed method in the simulation results.

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  Cite this article

[IEEE Style]

J. Kim, "Noise Reduction by Using Eigenfilter in Cyclic Prefix System Based on SNR," The Journal of Korean Institute of Communications and Information Sciences, vol. 39, no. 10, pp. 700-707, 2014. DOI: .

[ACM Style]

Jin-Goog Kim. 2014. Noise Reduction by Using Eigenfilter in Cyclic Prefix System Based on SNR. The Journal of Korean Institute of Communications and Information Sciences, 39, 10, (2014), 700-707. DOI: .

[KICS Style]

Jin-Goog Kim, "Noise Reduction by Using Eigenfilter in Cyclic Prefix System Based on SNR," The Journal of Korean Institute of Communications and Information Sciences, vol. 39, no. 10, pp. 700-707, 10. 2014.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880