Low Complexity LMMSE-ISIC Scheme for MIMO Systems 


Vol. 47,  No. 9, pp. 1294-1297, Sep.  2022
10.7840/kics.2022.47.9.1294


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  Abstract

In this letter, a low-complexity LMMSE-ISIC scheme for MIMO systems is proposed. In each iteration of the proposed scheme, the estimates of transmitted symbols are updated together from the affine MMSE filtering vectors. This requires no additional matrix operations except the matrix inverse operation, which makes the proposed scheme to obtain the identical estimates to the direct matrix operation based LMMSE-ISIC scheme at a low computational complexity. Simulation results show that, regardless of the antenna configuration, the proposed scheme outperforms the affine MMSE based scheme with a similar complexity order and achieves the error performance identical to the direct matrix operations based LMMSE-ISIC scheme.

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[IEEE Style]

S. Park, "Low Complexity LMMSE-ISIC Scheme for MIMO Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 47, no. 9, pp. 1294-1297, 2022. DOI: 10.7840/kics.2022.47.9.1294.

[ACM Style]

Sangjoon Park. 2022. Low Complexity LMMSE-ISIC Scheme for MIMO Systems. The Journal of Korean Institute of Communications and Information Sciences, 47, 9, (2022), 1294-1297. DOI: 10.7840/kics.2022.47.9.1294.

[KICS Style]

Sangjoon Park, "Low Complexity LMMSE-ISIC Scheme for MIMO Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 47, no. 9, pp. 1294-1297, 9. 2022. (https://doi.org/10.7840/kics.2022.47.9.1294)

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pISSN : 1226 - 4717
eISSN : 2287 - 3880