English Performance of MIMO-OFDM Combing Bemaformer with Space-time Decoder in Multiuser Environments 


Vol. 31,  No. 8, pp. 775-783, Aug.  2006


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  Abstract

In this paper, the new technique combining beamforming with space-time coding is proposed for an orthogonal frequency division multiplexing(OFDM) system with multi-input multi-output(MIMO). When MIMO-OFDM system is employing Nt(the number of transmitterantenna) beamfomers and one S-T decoder at Nr receiver antennas, Nt signals removed CCI are outputted at the beamformer and then diversity gain can be got through space-time decoding. As the proposed technique can reduce cochannel interference and get diversity gain in the multi-user environment, the performance of MIMO-OFDM system is very improved. BER performance improvement and convergence behavior of the proposed approach are investigated through computer simulation by applying it to MIMO-OFDM system in the multi-user environment.

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  Cite this article

[IEEE Style]

C. K. Kim, "English Performance of MIMO-OFDM Combing Bemaformer with Space-time Decoder in Multiuser Environments," The Journal of Korean Institute of Communications and Information Sciences, vol. 31, no. 8, pp. 775-783, 2006. DOI: .

[ACM Style]

Chan Kyu Kim. 2006. English Performance of MIMO-OFDM Combing Bemaformer with Space-time Decoder in Multiuser Environments. The Journal of Korean Institute of Communications and Information Sciences, 31, 8, (2006), 775-783. DOI: .

[KICS Style]

Chan Kyu Kim, "English Performance of MIMO-OFDM Combing Bemaformer with Space-time Decoder in Multiuser Environments," The Journal of Korean Institute of Communications and Information Sciences, vol. 31, no. 8, pp. 775-783, 8. 2006.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880