Performance Analysis of the SFBC-OFDM System with MMSE and Interference Canceller 


Vol. 33,  No. 8, pp. 291-297, Aug.  2008


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  Abstract

In this paper, two interference mitigation techniques are used to solve the co-antenna interference problem for SFBC-OFDM in a frequency selective channel. The SFBC(space-frequency block codes) receivers based on ZF and MMSE criteria in conjunction with SIC are proposed to mitigate and eliminate the co-antenna interference. In addition, we evaluated the performance of those schemes under the imperfect channel estimation. Simulation results show that the MMSE receiver combined with SIC is the best scheme when frequency selectivity is high. When frequency selectivity is low, the effectiveness of the proposed schemes is weakened. Thus, when channel estimation quality is high, MMSE alone scheme is enough for obtaining good performance. Also, when channel estimation quality is low, the simplest conventional SFBC is the best method considering both complexity and performance.

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  Cite this article

[IEEE Style]

B. Kang and K. Han, "Performance Analysis of the SFBC-OFDM System with MMSE and Interference Canceller," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 8, pp. 291-297, 2008. DOI: .

[ACM Style]

Byeong-Gwon Kang and Ki-Kwan Han. 2008. Performance Analysis of the SFBC-OFDM System with MMSE and Interference Canceller. The Journal of Korean Institute of Communications and Information Sciences, 33, 8, (2008), 291-297. DOI: .

[KICS Style]

Byeong-Gwon Kang and Ki-Kwan Han, "Performance Analysis of the SFBC-OFDM System with MMSE and Interference Canceller," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 8, pp. 291-297, 8. 2008.