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LMS adaptive equalizer convergance issue

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hazan.nasir

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Hi,

I have to implement an adaptive equalizer using the LMS Algorithm in VHDL. I don't have a training sequence so I have to use the CMA (constant Modulus Algorithm) for the filter coefficients to converge. I have a 3-tap FFE and an 8-tap DFE. However, the problem is the coefficients do not converge to a stable value. If someone can help in this regard, I can send my vhdl code. Please reply soon. Thanks
 
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