An Inter-Carrier Interference Cancellation Scheme for OFDM Systems in a Fast Fading Channel 


Vol. 42,  No. 10, pp. 1963-1966, Oct.  2017
10.7840/kics.2017.42.10.1963


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  Abstract

Orthogonal frequency division multiplexing (OFDM) systems are generally robust to frequency-selective fading as compared with single-carrier transmission systems. However, as a result of an increased symbol duration, OFDM is vulnerable to fast fading due to Doppler spread and/or frequency offset. Specifically, fast fading makes the channel vary significantly within the symbol duration, causing a loss of orthogonality between subcarriers and thus inter-carrier interference (ICI). In this letter, we propose a simple but effective equalization scheme to remove the ICI in OFDM systems under a fast fading channel. The performance of the proposed equalization scheme is evaluated in a DVB-T system.

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  Cite this article

[IEEE Style]

O. Shin, "An Inter-Carrier Interference Cancellation Scheme for OFDM Systems in a Fast Fading Channel," The Journal of Korean Institute of Communications and Information Sciences, vol. 42, no. 10, pp. 1963-1966, 2017. DOI: 10.7840/kics.2017.42.10.1963.

[ACM Style]

Oh-Soon Shin. 2017. An Inter-Carrier Interference Cancellation Scheme for OFDM Systems in a Fast Fading Channel. The Journal of Korean Institute of Communications and Information Sciences, 42, 10, (2017), 1963-1966. DOI: 10.7840/kics.2017.42.10.1963.

[KICS Style]

Oh-Soon Shin, "An Inter-Carrier Interference Cancellation Scheme for OFDM Systems in a Fast Fading Channel," The Journal of Korean Institute of Communications and Information Sciences, vol. 42, no. 10, pp. 1963-1966, 10. 2017. (https://doi.org/10.7840/kics.2017.42.10.1963)

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pISSN : 1226 - 4717
eISSN : 2287 - 3880