Channel Estimation for OFDM Systems under Non-Sampled Space and Fast Time-Varying Channels 


Vol. 29,  No. 2, pp. 238-246, Feb.  2004


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  Abstract

In this paper, an estimator that take advantages of time and frequency correlation within an OFDM symbol is investigated. OFDM systems using the proposed estimator can be very effective in detecting signals under non-sampled space and time-varying channels. Also, under same complexity, the proposed estimator outperforms the previously proposed estimator. Since even if there are no assumption about channel correlation, the linear interpolation method instead of optimal interpolation using correct channel correlation is proposed in case the receiver does not know the channel correlation function in time domain. Therefore the proposed channel estimator help improving the performance of OFDM systems under non-sampled spaced and fast time-varying channels.

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  Cite this article

[IEEE Style]

D. Kim, S. Jeong, D. Hong, C. Kang, "Channel Estimation for OFDM Systems under Non-Sampled Space and Fast Time-Varying Channels," The Journal of Korean Institute of Communications and Information Sciences, vol. 29, no. 2, pp. 238-246, 2004. DOI: .

[ACM Style]

Dong-joo Kim, Seong-Soon Jeong, Dae-Sik Hong, and Chang-eon Kang. 2004. Channel Estimation for OFDM Systems under Non-Sampled Space and Fast Time-Varying Channels. The Journal of Korean Institute of Communications and Information Sciences, 29, 2, (2004), 238-246. DOI: .

[KICS Style]

Dong-joo Kim, Seong-Soon Jeong, Dae-Sik Hong, Chang-eon Kang, "Channel Estimation for OFDM Systems under Non-Sampled Space and Fast Time-Varying Channels," The Journal of Korean Institute of Communications and Information Sciences, vol. 29, no. 2, pp. 238-246, 2. 2004.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880