Kalman Filter Based Turbo Equalizer for MIMO-HARQ Systems 


Vol. 47,  No. 4, pp. 599-602, Apr.  2022
10.7840/kics.2022.47.4.599


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  Abstract

In this letter, a Kalman filter based turbo equalizer is proposed for MIMO-HARQ systems. The proposed scheme performs the turbo equalization procedure by sequential Kalman filtering operations on transmitted signals of each HARQ round. Because the Kalman filter based combining has the identical estimate to the high-complexity symbol-level combining, the proposed scheme requires a less complexity compared to the symbol-level combining based turbo equalizer, while their estimates are identical. Simulation results show that the proposed scheme outperforms the bit-level combining based turbo equalizer and has the identical error performance to the symbol-level combining based turbo equalizer.

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  Cite this article

[IEEE Style]

S. Park, "Kalman Filter Based Turbo Equalizer for MIMO-HARQ Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 47, no. 4, pp. 599-602, 2022. DOI: 10.7840/kics.2022.47.4.599.

[ACM Style]

Sangjoon Park. 2022. Kalman Filter Based Turbo Equalizer for MIMO-HARQ Systems. The Journal of Korean Institute of Communications and Information Sciences, 47, 4, (2022), 599-602. DOI: 10.7840/kics.2022.47.4.599.

[KICS Style]

Sangjoon Park, "Kalman Filter Based Turbo Equalizer for MIMO-HARQ Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 47, no. 4, pp. 599-602, 4. 2022. (https://doi.org/10.7840/kics.2022.47.4.599)

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pISSN : 1226 - 4717
eISSN : 2287 - 3880