New attempt to scale IA receiver

openair1/PHY/LTE_TRANSPORT/dlsch_demodulation.c

@@ -430,10 +430,10 @@ int rx_pdsch(PHY_VARS_UE *phy_vars_ue,
 	else {
 	// Shifts are needed to avoid tails in SNR/BLER curves.
 	// LUT will be introduced with mcs-dependent shift
-	avg_0[0] = (log2_approx(avg_0[0])/2) + (log2_approx(avg_0[1])/2) - 13 + interf_unaw_shift;
-	avg_1[0] = (log2_approx(avg_1[0])/2) + (log2_approx(avg_1[1])/2) - 13 + interf_unaw_shift;
-	lte_ue_pdsch_vars[eNB_id]->log2_maxh0 = cmax(avg_0[0],0);
-	lte_ue_pdsch_vars[eNB_id]->log2_maxh1 = cmax(avg_1[0],0);
+	avg_0[0] = (log2_approx(avg_0[0])/2) - 13 + interf_unaw_shift;
+	avg_1[0] = (log2_approx(avg_1[0])/2) - 13 + interf_unaw_shift;
+	lte_ue_pdsch_vars[eNB_id]->log2_maxh0 = cmax(avg_0[0],avg_1[0]);
+	lte_ue_pdsch_vars[eNB_id]->log2_maxh1 = cmax(avg_1[0],avg_1[0]);
 	//printf("TM4 I-UA log2_maxh0 = %d\n", lte_ue_pdsch_vars[eNB_id]->log2_maxh0);
 	//printf("TM4 I-UA log2_maxh1 = %d\n", lte_ue_pdsch_vars[eNB_id]->log2_maxh1);
         }
@@ -3182,8 +3182,8 @@ void dlsch_channel_level_TM34(int **dl_ch_estimates_ext,
   }
 
   
-//  avg_0[0] = avg_0[0] + avg_0[1];
- // avg_1[0] = avg_1[0] + avg_1[1];
+  avg_0[0] = avg_0[0] + avg_0[1];
+  avg_1[0] = avg_1[0] + avg_1[1];
 
   _mm_empty();
   _m_empty();

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_r%d_ch%d_%d_nrx%d_mcs%d_mcsi%d_ab_pce_sh%d_d2_avsn.csv",transmission_mode,rx_type,channel_model,n_frames, n_rx,mcs1, mcs2,interf_unaw_shift );
+	 sprintf(bler_fname,"bler_tx%d_r%d_ch%d_%d_nrx%d_mcs%d_mcsi%d_ab_pce_sh%d_d2_avsn2.csv",transmission_mode,rx_type,channel_model,n_frames, n_rx,mcs1, mcs2,interf_unaw_shift );
   	else
-    	sprintf(bler_fname,"bler_tx%d_r%d_ch%d_%d_nrx%d_mcs%d_mcsi%d_ab_sh%d_d2_avsn.csv",transmission_mode,rx_type,channel_model, n_frames, n_rx,mcs1, mcs2,interf_unaw_shift );
+    	sprintf(bler_fname,"bler_tx%d_r%d_ch%d_%d_nrx%d_mcs%d_mcsi%d_ab_sh%d_d2_avsn2.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_r%d_ch%d_%d_nrx%d_mcs%d_mcsi%d_pce_sh%d_d2_avsn.csv",transmission_mode,rx_type,channel_model,n_frames, n_rx,mcs1, mcs2, interf_unaw_shift);
+	sprintf(bler_fname,"bler_tx%d_r%d_ch%d_%d_nrx%d_mcs%d_mcsi%d_pce_sh%d_d2_avsn2.csv",transmission_mode,rx_type,channel_model,n_frames, n_rx,mcs1, mcs2, interf_unaw_shift);
    else
-        sprintf(bler_fname,"bler_tx%d_r%d_ch%d_%d_nrx%d_mcs%d_mcsi%d_sh%d_d2_avsn.csv",transmission_mode,rx_type,channel_model,n_frames,n_rx,mcs1, mcs2, interf_unaw_shift);
+        sprintf(bler_fname,"bler_tx%d_r%d_ch%d_%d_nrx%d_mcs%d_mcsi%d_sh%d_d2_avsn2.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,"dout_tx%d_r%d_mcs%d_mcsi%d_ch%d_ns%d_R%d_ab_fix_pce_sh%d_d2_%d_avsn.m",transmission_mode,rx_type,mcs1,mcs2,channel_model,n_frames,num_rounds, interf_unaw_shift, n_ch_rlz);
+		sprintf(csv_fname,"dout_tx%d_r%d_mcs%d_mcsi%d_ch%d_ns%d_R%d_ab_fix_pce_sh%d_d2_%d_avsn2.m",transmission_mode,rx_type,mcs1,mcs2,channel_model,n_frames,num_rounds, interf_unaw_shift, n_ch_rlz);
  	else
-		sprintf(csv_fname,"dout_tx%d_r%d_mcs%d_mcsi%d_ch%d_ns%d_R%d_ab_fix_sh%d_d2_%d_avsn.m",transmission_mode,rx_type,mcs1,mcs2,channel_model,n_frames,num_rounds, interf_unaw_shift, n_ch_rlz);
+		sprintf(csv_fname,"dout_tx%d_r%d_mcs%d_mcsi%d_ch%d_ns%d_R%d_ab_fix_sh%d_d2_%d_avsn2.m",transmission_mode,rx_type,mcs1,mcs2,channel_model,n_frames,num_rounds, interf_unaw_shift, n_ch_rlz);
 
     csv_fd = fopen(csv_fname,"w");
     fprintf(csv_fd,"data_all%d=[",mcs1);