A Uplink Performance Analysis of GAS-CP-CDMA Communication System 


Vol. 33,  No. 11, pp. 1079-1086, Nov.  2008


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  Abstract

In this paper, we propose a Cyclic-Prefix Code Division Multiple Access system that uses Sequences with Good Autocorrelation property(GAS-CP-CDMA) and analyze the uplink signal-to-noise ratio performance of that system. Phase-shifted sequences are used for differentiating users. The signals of the GAS-CP-CDMA system experience no (or very little) interferences from co-cell signals because of the good autocorrelation property, but user signals of adjacent cells may yield interferences. The frequency reuse factor in the ordinary CDMA system is around 0.6 and the interference from adjacent cells is about 40 percent of the total interference in the conventional CDMA system. Our numerical analysis shows that the frequency reuse factor and user capacity versus signal-to-noise ratio of the GAS-CP-CDMA system are improved comparing to the conventional CDMA system. The uplink user capacity of the proposed system can be increased up to about twice of that of the conventional CDMA system.

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  Cite this article

[IEEE Style]

S. Lee and W. Kim, "A Uplink Performance Analysis of GAS-CP-CDMA Communication System," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 11, pp. 1079-1086, 2008. DOI: .

[ACM Style]

Seong-Min Lee and Whan-Woo Kim. 2008. A Uplink Performance Analysis of GAS-CP-CDMA Communication System. The Journal of Korean Institute of Communications and Information Sciences, 33, 11, (2008), 1079-1086. DOI: .

[KICS Style]

Seong-Min Lee and Whan-Woo Kim, "A Uplink Performance Analysis of GAS-CP-CDMA Communication System," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 11, pp. 1079-1086, 11. 2008.

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pISSN : 1226 - 4717
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