Gradient On-Off Beamforming Algorithm Based On Eigen-Space Method For a Smart Antenna In IS-2000 1X Signal Environment 


Vol. 28,  No. 10, pp. 949-957, Oct.  2003


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  Abstract

This paper presents a gradient ON-0FF algorithm of which the performance is very robust even when the angle spread increases in the mobile communication environments. The proposed method getting the diversity gain by utilizing the primary and secondary eigenvector. which corresponds to the largest and the second largest eigenvalue of the autocovariance matrix of the received signal vector, outperforms the method which just utilizes one eigenvector. By applying the proposed method to IS-2000 1X signal environments, it is observed that the proposed method shows excellent performance compared to a typical beamforming method using just one eigenvector, which considerably degrades the receiving performance as the angle spread increases.

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  Cite this article

[IEEE Style]

Z. Li, W. Lee, S. Choi, "Gradient On-Off Beamforming Algorithm Based On Eigen-Space Method For a Smart Antenna In IS-2000 1X Signal Environment," The Journal of Korean Institute of Communications and Information Sciences, vol. 28, no. 10, pp. 949-957, 2003. DOI: .

[ACM Style]

Zheng-Zi Li, Weon-Cheol Lee, and Seung-Won Choi. 2003. Gradient On-Off Beamforming Algorithm Based On Eigen-Space Method For a Smart Antenna In IS-2000 1X Signal Environment. The Journal of Korean Institute of Communications and Information Sciences, 28, 10, (2003), 949-957. DOI: .

[KICS Style]

Zheng-Zi Li, Weon-Cheol Lee, Seung-Won Choi, "Gradient On-Off Beamforming Algorithm Based On Eigen-Space Method For a Smart Antenna In IS-2000 1X Signal Environment," The Journal of Korean Institute of Communications and Information Sciences, vol. 28, no. 10, pp. 949-957, 10. 2003.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880