Performance Improvement of WCDMA Downlink Systems Using Space Time Block Coding 


Vol. 29,  No. 4, pp. 423-428, Apr.  2004


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  Abstract

High-data rate and high speed communication techniques are required for wireless mobile communication systems to provide multimedia services. A multiple antenna technology may be used to meet this demand. In this paper, a method for performance improvement of a WCDMA downlink system using space time block coding is proposed in quasi-static Rayleigh fading channels. The proposed receiver uses the cross correlation matrix obtained by each finger corresponding to multi paths. To obtain maximum diversity gain, the inverse of cross correlation matrix and the Hermitian matrix of the channel matrix for each path are computed, and then applied to received signals. Various simulation results show that the proposed receiver outperforms a conventional receiver in Rayleigh fading channels.

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  Cite this article

[IEEE Style]

J. Park and J. Park, "Performance Improvement of WCDMA Downlink Systems Using Space Time Block Coding," The Journal of Korean Institute of Communications and Information Sciences, vol. 29, no. 4, pp. 423-428, 2004. DOI: .

[ACM Style]

Jeong-Sook Park and Joong-Hoo Park. 2004. Performance Improvement of WCDMA Downlink Systems Using Space Time Block Coding. The Journal of Korean Institute of Communications and Information Sciences, 29, 4, (2004), 423-428. DOI: .

[KICS Style]

Jeong-Sook Park and Joong-Hoo Park, "Performance Improvement of WCDMA Downlink Systems Using Space Time Block Coding," The Journal of Korean Institute of Communications and Information Sciences, vol. 29, no. 4, pp. 423-428, 4. 2004.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880