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Issue:
An Improved Blind Equalization Algorithm Based on EVA
Author(s):
BAI Zi-quan
,
LI Dao-ben
Pages:
10
-
13
Year:
2005
Issue:
4
Journal:
JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS
Keyword:
盲均衡
;
特征向量算法
;
相位旋转
;
Abstract:
为解决盲均衡算法中的相位旋转问题,提出了一种基于特征向量算法(EVA)的改进型盲均衡算法,并与EVA算法进行了比较. 新算法通过构造包含信道相位信息的度量解决了EVA算法的相位旋转问题. 仿真结果表明,提出的算法与EVA算法相比在收敛速度方面提高约10%,抗噪声性能提高1 dB,减小残留干扰约10%,而且并未增大运算量.
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