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Joint Transmit Beamforming and Power Control for CDMA System 被引量：2

Joint Transmit Beamforming and Power Control for CDMA System
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摘要 Downlink transmit beamforming is a promising technique to reduce interference, and power control is a technique to adjust transmission power to satisfy the link quality. Joint transmission power control and beamforming are proposed to minimize total transmission power. The joint optimization problem is solved by receiver beamforming and power control in virtual uplink. SIR based power control is performed to adjust the power allocation, and transmit beamforming weight vectors are determined by Minimum Variance Distortionless Response (MVDR) criterion. The multipath combining weight vectors are determined by maximum ratio combining criterion. Simulation results show the joint optimization scheme decreases the transmission power, and system performance is enhanced.
作者 LIJi-long CHENYu LIChun-yua ZHANGPing
机构地区 Beijing University of Posts and Telecommunications
出处 《The Journal of China Universities of Posts and Telecommunications》 EI CSCD 2005年第1期60-63,100,共5页 中国邮电高校学报（英文版）
基金 This work is supported by Hi Tech Research and Development Program of China"863"(No.2004AA123180).
关键词 BEAMFORMING power control adaptive antenna CDMA beamforming power control adaptive antenna CDMA
分类号 TN929.533 [电子电信—通信与信息系统]
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参考文献16

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共引文献3

同被引文献15

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  • 3程春悦,吕英华.一种新的均匀圆阵互耦校正算法[J].北京邮电大学学报,2005,28(3):14-16. 被引量：4
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引证文献2

二级引证文献8

The Journal of China Universities of Posts and Telecommunications
2005年 第1期

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