diff --git a/Classes/04_DSP/Equalizer/EQ_silas_sliding_window_dc_removal.m b/Classes/04_DSP/Equalizer/MPI_reduction/EQ_silas_sliding_window_dc_removal.m
similarity index 100%
rename from Classes/04_DSP/Equalizer/EQ_silas_sliding_window_dc_removal.m
rename to Classes/04_DSP/Equalizer/MPI_reduction/EQ_silas_sliding_window_dc_removal.m
diff --git a/Classes/04_DSP/Equalizer/FFE_DCremoval.m b/Classes/04_DSP/Equalizer/MPI_reduction/FFE_DCremoval.m
similarity index 100%
rename from Classes/04_DSP/Equalizer/FFE_DCremoval.m
rename to Classes/04_DSP/Equalizer/MPI_reduction/FFE_DCremoval.m
diff --git a/Classes/04_DSP/Equalizer/FFE_DCremoval_adaptive_mu.m b/Classes/04_DSP/Equalizer/MPI_reduction/FFE_DCremoval_adaptive_mu.m
similarity index 98%
rename from Classes/04_DSP/Equalizer/FFE_DCremoval_adaptive_mu.m
rename to Classes/04_DSP/Equalizer/MPI_reduction/FFE_DCremoval_adaptive_mu.m
index f7cb053..7c1eb07 100644
--- a/Classes/04_DSP/Equalizer/FFE_DCremoval_adaptive_mu.m
+++ b/Classes/04_DSP/Equalizer/MPI_reduction/FFE_DCremoval_adaptive_mu.m
@@ -182,8 +182,8 @@ classdef FFE_DCremoval_adaptive_mu < handle
             end
 
             if obj.smoothing_buffer_length > 0
-                smoothing_buffer = zeros(1,obj.smoothing_buffer_length);
-                smoothing_mean = 0;
+                smoothing_buffer = ones(1,obj.smoothing_buffer_length) .* mean(obj.constellation);
+                smoothing_mean =  mean(obj.constellation);
             end
 
             P_err = 0;
diff --git a/Classes/04_DSP/Equalizer/FFE_DCremoval_level.m b/Classes/04_DSP/Equalizer/MPI_reduction/FFE_DCremoval_level.m
similarity index 100%
rename from Classes/04_DSP/Equalizer/FFE_DCremoval_level.m
rename to Classes/04_DSP/Equalizer/MPI_reduction/FFE_DCremoval_level.m
diff --git a/Classes/04_DSP/Equalizer/FFE_FFDCAVG.m b/Classes/04_DSP/Equalizer/MPI_reduction/FFE_FFDCAVG.m
similarity index 100%
rename from Classes/04_DSP/Equalizer/FFE_FFDCAVG.m
rename to Classes/04_DSP/Equalizer/MPI_reduction/FFE_FFDCAVG.m
diff --git a/Classes/04_DSP/Equalizer/FFE_adaptive_decision.m b/Classes/04_DSP/Equalizer/MPI_reduction/FFE_adaptive_decision.m
similarity index 100%
rename from Classes/04_DSP/Equalizer/FFE_adaptive_decision.m
rename to Classes/04_DSP/Equalizer/MPI_reduction/FFE_adaptive_decision.m