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Beamforming and power control for DS-CDMA system in a multicellular environment

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3 Author(s)
Lan Tang ; Inst. of Commun. Eng., Jilin Univ., Changchun, China ; Shuxun Wang ; Xiao Ying Sun

Mobile transmitted powers and receiver weight vectors at base stations are calculated jointly, which provides an efficient technique for increasing the capacity of DS-CDMA systems in a multicellular environment. In this paper, we present a study that the mobile transmitted power is minimized, while the signal-to-interfere and noise at each is maintained at a threshold. Both intracell and intercell interferences are explicitly taken into account, and in particular the tradeoff involved in choosing frequency reuse plan is considered. Amounts of Monte Carlo simulations are given to evaluate uplink capacity of DS-CDMA system using base station antenna array in different multicellular environments, which show that system operates most efficiently with full frequency.

Published in:

Neural Networks and Signal Processing, 2003. Proceedings of the 2003 International Conference on  (Volume:2 )

Date of Conference:

14-17 Dec. 2003