Improvement of Normalized CMA Channel Equalization and Turbo Code for DS-CDMA System 


Vol. 27,  No. 7, pp. 659-667, Jul.  2002


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  Abstract

In this dissertation, in the Turbo Code used for error correction coding of the recent digital communication systems, we propose a new S-R interleaver that has the better performance than the existing block interleaver, and the Turbo Decoder that has the parallel concatenated New structure using the MAP algorithm. For real-time voice and video services over the third generation mobile communications, the performance of two proposed methods is analyzed by the reduced decoding delay using the variable decoding method by computer simulation over multipath channels of DS-CDMA system. Also, a Modified NCMA based on conventional NCMA is proposed to improve the channel efficiency in the mobile communication system, and is investigated over the multi-user environment of DS-CDMA system through computer simulation.

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  Cite this article

[IEEE Style]

N. Park and C. kang, "Improvement of Normalized CMA Channel Equalization and Turbo Code for DS-CDMA System," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 7, pp. 659-667, 2002. DOI: .

[ACM Style]

No-Jin Park and Chul-Ho kang. 2002. Improvement of Normalized CMA Channel Equalization and Turbo Code for DS-CDMA System. The Journal of Korean Institute of Communications and Information Sciences, 27, 7, (2002), 659-667. DOI: .

[KICS Style]

No-Jin Park and Chul-Ho kang, "Improvement of Normalized CMA Channel Equalization and Turbo Code for DS-CDMA System," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 7, pp. 659-667, 7. 2002.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880