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A Novel Beamforming Algorithm in CDMA
Author(s): 
Pages: 344-348
Year: Issue:  4
Journal: JOURNAL OF APPLIED SCIENCES

Keyword:  波束形成Rake合并最大信号噪声干扰比准则广义特征矢量;
Abstract: 基于CDMA环境提出了一种新的波束形成算法,并且以此形成二维Rake合并器.这种新的方法,根据最大信号噪声干扰比准则推导出计算权矢量的公式,将求导向矢量再求逆的两步问题转化为直接求Hermit阵的最大广义特征值和特征向量,且使用解扩后数据计算干扰加噪声的协方差阵.该法计算量小,数据存储量小,不需要训练序列和参考信号,步骤简单且性能优于导频辅助法,计算量小于码滤波法.此法可应用于第三代移动通信系统中快衰落环境下的波束形成.
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