A Phase Noise Reduction Scheme for OFDM Systems 


Vol. 30,  No. 6, pp. 465-473, Jun.  2005


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  Abstract

In this paper, the reduction scheme of Interchannel Interference(ICI) caused by the phase noise in Orthogonal Frequency Division Multiplexing(OFDM) systems for archiving high data rates is proposed. The performance of conventional common phase error(CPE) compensation method is degraded by the phase noise with wide 3dB bandwidth in OFDM systems width a higher-order constellation. After estimating dominant ICI coefficients using pilot subcarriers and data subcarriers adjacent to pilot subcarriers, the proposed scheme compensates OFDM signals distorted by the phase noise using estimated coefficients in the time or frequency domain. Also, in order to determine the length of dominant ICI coefficients effectively, the estimation method of the 3dB bandwidth of the phase noise is proposed. The proposed phase noise reduction method is shown to improve the Bit Error Ratio(BER) performance compared with the conventional CPE compensation.

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  Cite this article

[IEEE Style]

K. Park, W. Jeon, J. Paik, W. Yang, Y. Cho, "A Phase Noise Reduction Scheme for OFDM Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 30, no. 6, pp. 465-473, 2005. DOI: .

[ACM Style]

Kyung-won Park, Won-gi Jeon, Jong-ho Paik, Won-young Yang, and Yong-soo Cho. 2005. A Phase Noise Reduction Scheme for OFDM Systems. The Journal of Korean Institute of Communications and Information Sciences, 30, 6, (2005), 465-473. DOI: .

[KICS Style]

Kyung-won Park, Won-gi Jeon, Jong-ho Paik, Won-young Yang, Yong-soo Cho, "A Phase Noise Reduction Scheme for OFDM Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 30, no. 6, pp. 465-473, 6. 2005.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880