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Implementation of a blind equalizer for digital QAM receiver
Author(s): 
Pages: 15-17
Year: Issue:  12
Journal: TV ENGINEERING

Keyword:  正交幅度调制自适应盲均衡器多模算法最小均方算法;
Abstract: 提出了一种适用于数字QAM接收机的自适应盲均衡器实现方案.该均衡器采用多模算法(MMA)和最小均方算法(LMS),称为MMA-LMS算法结合判决反馈结构(DFE),即采用前向滤波器和反馈滤波器两级滤波器组实现,提高了信道的适应性能和降低均衡器的阶数.仿真结果表明,该均衡器比一般采用恒模算法(CMA)的横式均衡器有更好的性能,更易于硬件实现.
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