A Recursive ICI Cancellation Technique for Cooperative STBC-OFDM Systems with Carrier Frequency Offsets 


Vol. 32,  No. 10, pp. 950-957, Oct.  2007


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  Abstract

In this paper, a recursive intercarrier interference (ICI) cancellation technique for cooperative space-time block coded orthogonal frequency division multiplexing (STBC-OFDM) with different carrier frequency offsets (CFOs) is proposed. Also, different CFOs existing in a cooperative STBC-OFDM system is shown to produce phase difference in the received signal, causing noise enhancement effect in the STBC decoding process. The performance degradation caused by the noise enhancement effect can be effectively reduced by a proposed ML-based recursive ICI cancellation technique. It is shown by computer simulation that the proposed recursive ICI cancellation technique is effective in reducing ICI, especially for STBC-OFDM systems with a large FFT size and large CFOs.

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  Cite this article

[IEEE Style]

Y. J. Kim, K. S. Woo, H. I. Yoo, H. Lee, Y. S. Cho, "A Recursive ICI Cancellation Technique for Cooperative STBC-OFDM Systems with Carrier Frequency Offsets," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 10, pp. 950-957, 2007. DOI: .

[ACM Style]

Yeong Jun Kim, Kyung Soo Woo, Hyun Il Yoo, Heesoo Lee, and Yong Soo Cho. 2007. A Recursive ICI Cancellation Technique for Cooperative STBC-OFDM Systems with Carrier Frequency Offsets. The Journal of Korean Institute of Communications and Information Sciences, 32, 10, (2007), 950-957. DOI: .

[KICS Style]

Yeong Jun Kim, Kyung Soo Woo, Hyun Il Yoo, Heesoo Lee, Yong Soo Cho, "A Recursive ICI Cancellation Technique for Cooperative STBC-OFDM Systems with Carrier Frequency Offsets," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 10, pp. 950-957, 10. 2007.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880