Performance Analysis of Wideband DS/CDMA Systems using an Adaptive Decision-Feedback Equalizer in Multipath Fading Channels 


Vol. 27,  No. 12, pp. 1083-1087, Dec.  2002


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  Abstract

Future high data applications over wideband CDMA channels will suffer severe interference. This paper shows a receiver structure that is capable to suppress interference and fading effects. In a time-varying frequency selective Rayleigh fading environment, the perfrmnance is analyzed and compared with the adaptive DFE and RAKE receiver. The time variations of the channel is adjusted by using an adaptive algorithm for the receiver and analyze its performance in our proposed system in terms of the MSE and BER by varying the number of multipaths and the number of users. It is shown that the proposed receiver has a much better performance than the RAKE receiver with only a slight increase in complexity for a wideband system.

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  Cite this article

[IEEE Style]

H. J. Lee and S. K. Park, "Performance Analysis of Wideband DS/CDMA Systems using an Adaptive Decision-Feedback Equalizer in Multipath Fading Channels," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 12, pp. 1083-1087, 2002. DOI: .

[ACM Style]

Hyun Jung Lee and Sang Kyu Park. 2002. Performance Analysis of Wideband DS/CDMA Systems using an Adaptive Decision-Feedback Equalizer in Multipath Fading Channels. The Journal of Korean Institute of Communications and Information Sciences, 27, 12, (2002), 1083-1087. DOI: .

[KICS Style]

Hyun Jung Lee and Sang Kyu Park, "Performance Analysis of Wideband DS/CDMA Systems using an Adaptive Decision-Feedback Equalizer in Multipath Fading Channels," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 12, pp. 1083-1087, 12. 2002.