Performance Analysis of MC-DS-CDMA System Using a Interference Suppression Method in a Multipath Fading Channel 


Vol. 27,  No. 8, pp. 745-751, Aug.  2002


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  Abstract

The performance of existing CDMA-type multiple access data transmission systems is limited by interferences due to adverse mobile communication channel characteristics. Among them, the multi-user interference becomes one of the major performance degradation factors because the signal-to-signal orthogonality can be easily perturbed when numerous user signals are distorted by multipath fading channels and mixed together. In order to enhance the performance of CDMA-type systems by suppressing the multi-user interference, we have adopted chip-based cyclic prefix insertion along with adaptive one-tap OFE equalization into MC-OS-CDMA, which is known for its robustness in the frequency selective multipath fading channel environment. In order to assess the performance of the proposed system, a set of computer simulations is performed in the reverse link in which each user signal undergoes different multi path Rayleigh fading. The results show us a superior performance of our system over other CDMA systems in terms of SNR to BER measurements.

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  Cite this article

[IEEE Style]

T. Park and J. Choi, "Performance Analysis of MC-DS-CDMA System Using a Interference Suppression Method in a Multipath Fading Channel," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 8, pp. 745-751, 2002. DOI: .

[ACM Style]

Tae-yoon Park and Jae-ho Choi. 2002. Performance Analysis of MC-DS-CDMA System Using a Interference Suppression Method in a Multipath Fading Channel. The Journal of Korean Institute of Communications and Information Sciences, 27, 8, (2002), 745-751. DOI: .

[KICS Style]

Tae-yoon Park and Jae-ho Choi, "Performance Analysis of MC-DS-CDMA System Using a Interference Suppression Method in a Multipath Fading Channel," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 8, pp. 745-751, 8. 2002.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880