diff --git a/openair1/PHY/LTE_TRANSPORT/dlsch_demodulation.c b/openair1/PHY/LTE_TRANSPORT/dlsch_demodulation.c
index f87835e2bdeb1a5f836b3f8994d651e88fa238e4..70f605916a9319bcfe513e218f792838642a67b8 100644
--- a/openair1/PHY/LTE_TRANSPORT/dlsch_demodulation.c
+++ b/openair1/PHY/LTE_TRANSPORT/dlsch_demodulation.c
@@ -442,7 +442,7 @@ int rx_pdsch(PHY_VARS_UE *phy_vars_ue,
 	// !!!!! Right now in testing mode for -gS channel ONLY. We investigate if any
 	// additional gain/penalty needs to be introduced in comparison with I-UA receiver
 	// by comparing performances if run with -u2 and -u0.
-	// this is valid only if same mcs are used. We calibrate for mcs 4. Best shift value is 3. 
+	// this is valid only if same mcs are used. We calibrate for mcs 4. Best shift value is 13. 
 	// MCS-dependent LUT will be introduced. 
 	avg[0] = (log2_approx(avg[0])/2) - 13 + interf_unaw_shift;
 	lte_ue_pdsch_vars[eNB_id]->log2_maxh0 = cmax(avg[0],0);
@@ -459,7 +459,7 @@ int rx_pdsch(PHY_VARS_UE *phy_vars_ue,
 	}
 	else
 	// to avoid tails in SNR/BLER curves. -13 is needed to make shift a positive number. 
-	// this is valid only if same mcs are used. We calibrate for mcs 4. Best shift value is 3.
+	// this is valid only if same mcs are used. We calibrate for mcs 4. Best shift value is 13.
 	// MCS-dependent LUT will be introduced.
 	avg[0] = (log2_approx(avg[0])/2) - 13 + interf_unaw_shift;
 	lte_ue_pdsch_vars[eNB_id]->log2_maxh0 = cmax(avg[0],0);
diff --git a/openair1/SIMULATION/LTE_PHY/dlsim.c b/openair1/SIMULATION/LTE_PHY/dlsim.c
index 547cd5aeae0217f234ca74e0957c621041a1aa2f..505847bb538a6bfc83bcdc6e0f5fa88f562b25c0 100644
--- a/openair1/SIMULATION/LTE_PHY/dlsim.c
+++ b/openair1/SIMULATION/LTE_PHY/dlsim.c
@@ -790,14 +790,14 @@ int main(int argc, char **argv)
     sprintf(bler_fname,"bler_tx%d_rec%d_chan%d_nrx%d_mcs%d_mcsi%d_u%d_imod%d.csv",transmission_mode,rx_type,channel_model,n_rx,mcs1,mcs_i,rx_type,i_mod);
   else if (abstx == 1) 
     if (perfect_ce==1)
-	 sprintf(bler_fname,"bler_tx%d_rec%d_chan%d_%d_nrx%d_mcs%d_mcsi%d_ab_perf_ce_sh%d_3mod.csv",transmission_mode,rx_type,channel_model,n_frames, n_rx,mcs1, mcs2,interf_unaw_shift );
+	 sprintf(bler_fname,"bler_tx%d_rec%d_chan%d_%d_nrx%d_mcs%d_mcsi%d_ab_perf_ce_sh%d_div2.csv",transmission_mode,rx_type,channel_model,n_frames, n_rx,mcs1, mcs2,interf_unaw_shift );
   	else
-    	sprintf(bler_fname,"bler_tx%d_rec%d_chan%d_%d_nrx%d_mcs%d_mcsi%d_ab_sh%d_3mod.csv",transmission_mode,rx_type,channel_model, n_frames, n_rx,mcs1, mcs2,interf_unaw_shift );
+    	sprintf(bler_fname,"bler_tx%d_rec%d_chan%d_%d_nrx%d_mcs%d_mcsi%d_ab_sh%d_div2.csv",transmission_mode,rx_type,channel_model, n_frames, n_rx,mcs1, mcs2,interf_unaw_shift );
   else //abstx=0
     if (perfect_ce==1)
-	sprintf(bler_fname,"bler_tx%d_rec%d_chan%d_%d_nrx%d_mcs%d_mcsi%d_perf_ce_sh%d_3mod.csv",transmission_mode,rx_type,channel_model,n_frames, n_rx,mcs1, mcs2, interf_unaw_shift);
+	sprintf(bler_fname,"bler_tx%d_rec%d_chan%d_%d_nrx%d_mcs%d_mcsi%d_perf_ce_sh%d_div2.csv",transmission_mode,rx_type,channel_model,n_frames, n_rx,mcs1, mcs2, interf_unaw_shift);
    else
-        sprintf(bler_fname,"bler_tx%d_rec%d_chan%d_%d_nrx%d_mcs%d_mcsi%d_sh%d_3mod.csv",transmission_mode,rx_type,channel_model,n_frames,n_rx,mcs1, mcs2, interf_unaw_shift);
+        sprintf(bler_fname,"bler_tx%d_rec%d_chan%d_%d_nrx%d_mcs%d_mcsi%d_sh%d_div2.csv",transmission_mode,rx_type,channel_model,n_frames,n_rx,mcs1, mcs2, interf_unaw_shift);
   
   bler_fd = fopen(bler_fname,"w");
   if (bler_fd==NULL) {
@@ -833,9 +833,9 @@ int main(int argc, char **argv)
     
     else 
       if (perfect_ce==1)
-		sprintf(csv_fname,"dataout_tx%d_rec%d_mcs%d_mcsi%d_chan%d_ns%d_R%d_ab_perf_ce_sh%d_3mod_%d.m",transmission_mode,rx_type,mcs1,mcs2,channel_model,n_frames,num_rounds, interf_unaw_shift, n_ch_rlz);
+		sprintf(csv_fname,"dataout_tx%d_rec%d_mcs%d_mcsi%d_chan%d_ns%d_R%d_ab_perf_ce_sh%d_div2_%d.m",transmission_mode,rx_type,mcs1,mcs2,channel_model,n_frames,num_rounds, interf_unaw_shift, n_ch_rlz);
  	else
-		 sprintf(csv_fname,"dataout_tx%d_rec%d_mcs%d_mcsi%d_chan%d_ns%d_R%d_ab_sh%d_3mod_%d.m",transmission_mode,rx_type,mcs1,mcs2,channel_model,n_frames,num_rounds, interf_unaw_shift, n_ch_rlz);
+		 sprintf(csv_fname,"dataout_tx%d_rec%d_mcs%d_mcsi%d_chan%d_ns%d_R%d_ab_sh%d_div2_%d.m",transmission_mode,rx_type,mcs1,mcs2,channel_model,n_frames,num_rounds, interf_unaw_shift, n_ch_rlz);
 
      // sprintf(csv_fname,"dataout_tx%d_mcs%d_mcs_interf%d_chan%d_nsimus%d_R%d_abstr_old.m",transmission_mode,mcs1,mcs2,channel_model,n_frames,num_rounds);
     csv_fd = fopen(csv_fname,"w");