基于均衡器输出信号功率的盲均衡算法

Blind Equalization Algorithm Based on Power of Equalizer’s Output Signal

从理论上分析了均衡器输出信号功率的变化规律,并将它作为控制步长的参量,形成一种基于均衡器输出信号功率的变步长CMA盲均衡算法。分析了算法中待定参数的选取原则,通过计算机进行了仿真实验,结果验证了改进算法相对于传统恒模算法有更好的收敛性能。

This paper derives an improved CMA blind equalization algorithm based on the power of the equalizer＇s output signal. After analyzing the changing rule of output signal of equalizer, it promotes a new vary step size CMA algorithm based on the power of the equalizer＇s output signal. According to the selection regulation of the unknown parameter, simulation result shows that the new algorithm has better convergence performance.