An Iterative MMSE-SIC Scheme with Group Shuffled BP Decoding for MIMO Systems 


Vol. 35,  No. 10, pp. 815-821, Oct.  2010


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  Abstract

In this paper, we propose an iterative minimum mean square error with soft interference cancellation (MMSE-SIC) scheme with group shuffled BP (GSBP) decoding for multiple-in multiple-out (MIMO) systems. GSBP decoding divides codeword into a number of group to process the update procedure in a series. Using the nature of GSBP decoding, the proposed schemes divides received symbols into a number of groups by their reception time, and progresses the decoding process and the MMSE-SIC detection process in a series through the entire groups. This enables the proposed scheme to achieve a faster convergence speed than the conventional MMSE-SIC scheme that progresses the MMSE-SIC detection process after the decoding process of entire coded bits. Consequently, the proposed scheme shows better performance than the conventional scheme if both schemes have the same number of detection iterations. Simulation results verify that the proposed scheme achieves a lower BER than the conventional MMSE-SIC schemes with standard BP decoding or GSBP decoding.

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  Cite this article

[IEEE Style]

S. Park and S. Choi, "An Iterative MMSE-SIC Scheme with Group Shuffled BP Decoding for MIMO Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 10, pp. 815-821, 2010. DOI: .

[ACM Style]

Sangjoon Park and Sooyong Choi. 2010. An Iterative MMSE-SIC Scheme with Group Shuffled BP Decoding for MIMO Systems. The Journal of Korean Institute of Communications and Information Sciences, 35, 10, (2010), 815-821. DOI: .

[KICS Style]

Sangjoon Park and Sooyong Choi, "An Iterative MMSE-SIC Scheme with Group Shuffled BP Decoding for MIMO Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 10, pp. 815-821, 10. 2010.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880