A Study on Turbo Equalization for MIMO Systems Based on LDPC Codes 


Vol. 41,  No. 5, pp. 504-511, May  2016


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  Abstract

In this paper, MIMO system based on turbo equalization techniques which LDPC codes were outer code and space time trellis codes (STTC) were employed as an inner code are studied. LDPC decoder and STTC decoder are connected through the interleaving and de-interleaving that updates each other"s information repeatedly. In conventional turbo equalization of MIMO system, BCJR decoder which decodes STTC coded bits required twobit wise decoding processing. Therefore duo-binary turbo codes are optimal for MIMO system combined with STTC codes. However a LDPC decoder requires bit unit processing, because LDPC codes can"t be applied to these system. Therefore this paper proposed turbo equalization for MIMO system based on LDPC codes combined with STTC codes. By the simulation results, we confirmed performance of proposed turbo equalization model was improved about 0.6dB than that of conventional LDPC codes.

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  Cite this article

[IEEE Style]

C. Baek and J. Jung, "A Study on Turbo Equalization for MIMO Systems Based on LDPC Codes," The Journal of Korean Institute of Communications and Information Sciences, vol. 41, no. 5, pp. 504-511, 2016. DOI: .

[ACM Style]

Chang-Uk Baek and Ji-Won Jung. 2016. A Study on Turbo Equalization for MIMO Systems Based on LDPC Codes. The Journal of Korean Institute of Communications and Information Sciences, 41, 5, (2016), 504-511. DOI: .

[KICS Style]

Chang-Uk Baek and Ji-Won Jung, "A Study on Turbo Equalization for MIMO Systems Based on LDPC Codes," The Journal of Korean Institute of Communications and Information Sciences, vol. 41, no. 5, pp. 504-511, 5. 2016.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880