A simple forward-link deamfoming method based LMS algorithm in FDD/CDMA 


Vol. 27,  No. 5, pp. 478-483, May  2002


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  Abstract

This paper proposes a forward-link beam forming method based LMS (Least Mean Square) algorithm in order to improve the transmission performance of forward link in cdma2000-1x FDD system. The proposed method easily obtains the forward-link weight vector from reverse-link LMS weight vector by compensating for the phase components of the reverse-link channel state and for the difference between the antenna distance components of the two array response vectors at FDD system. Therefore, no additional eigen analysis module for forward-link beamforming is required for the proposed system unlike the existing method. The simulations show that the performance of the proposed method is comparable with the existing method while the proposed method requires much less computations.

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  Cite this article

[IEEE Style]

K. Kim, S. Yang, D. Youn, C. Lee, "A simple forward-link deamfoming method based LMS algorithm in FDD/CDMA," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 5, pp. 478-483, 2002. DOI: .

[ACM Style]

Kyeongyeon Kim, Seungchul Yang, Dae-Hee Youn, and Chungyong Lee. 2002. A simple forward-link deamfoming method based LMS algorithm in FDD/CDMA. The Journal of Korean Institute of Communications and Information Sciences, 27, 5, (2002), 478-483. DOI: .

[KICS Style]

Kyeongyeon Kim, Seungchul Yang, Dae-Hee Youn, Chungyong Lee, "A simple forward-link deamfoming method based LMS algorithm in FDD/CDMA," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 5, pp. 478-483, 5. 2002.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880