Fig.1  shows the trajectory of the FSE(Fractionally Spaced Equalizer) Coefficients through 50 iterations with CMA(Constant Modulus Algorithm). A BPSK signal transmitted through a non-ideal channel which impulse response can be modeled as a 4-tap FIR filter is deconvoluted by CMA.

 fig.1 Contours of CMA cost function with FSE coefficients(f0,f1) trajectory