Small changes in precoder to max MI 1stream

openair1/PHY/LTE_ESTIMATION/lte_ue_measurements.c

@@ -639,7 +639,7 @@ void lte_ue_measurements(PHY_VARS_UE *phy_vars_ue,
             pmi128_im = _mm_add_epi32(pmi128_im,mmtmpPMI1);
 	       //   print_ints(" pmi128_im 0 ",&pmi128_im);
 	    
-	    mmtmpPMI0 = _mm_xor_si128(mmtmpPMI0,mmtmpPMI0);
+	  /*  mmtmpPMI0 = _mm_xor_si128(mmtmpPMI0,mmtmpPMI0);
             mmtmpPMI1 = _mm_xor_si128(mmtmpPMI1,mmtmpPMI1);
 	    
 	    mmtmpPMI0 = _mm_madd_epi16(dl_ch0_128[1],dl_ch1_128[1]);
@@ -656,7 +656,7 @@ void lte_ue_measurements(PHY_VARS_UE *phy_vars_ue,
             pmi128_re = _mm_add_epi32(pmi128_re,mmtmpPMI0);
 	        //  print_ints(" pmi128_re 1",&pmi128_re);
             pmi128_im = _mm_add_epi32(pmi128_im,mmtmpPMI1);
-	    //print_ints(" pmi128_im 1 ",&pmi128_im);
+	    //print_ints(" pmi128_im 1 ",&pmi128_im);*/
 	    
 #elif defined(__arm__)
 

openair1/PHY/LTE_TRANSPORT/dci_tools.c

@@ -5881,7 +5881,7 @@ uint16_t quantize_subband_pmi(PHY_MEASUREMENTS *meas,uint8_t eNB_id,int nb_rb)
         pmi_im += meas->subband_pmi_im[eNB_id][i][aarx];
 	//printf("meas->subband_pmi_im[eNB_id][i][%d]=%d\n",aarx, meas->subband_pmi_im[eNB_id][i][aarx]);
       }
-      if (((pmi_re >= pmi_im) && (pmi_re >= -pmi_im)) || ((pmi_re < pmi_im) && (pmi_re < -pmi_im)))
+      if (((pmi_re >= pmi_im) && (pmi_re >= -pmi_im)) || ((pmi_re >= pmi_im) && (pmi_re <= -pmi_im)))
 	pmiq = PMI_2A_R1_11;
       else 
 	pmiq = PMI_2A_R1_1j;

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_sumnormdif.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_sumnormdifprec.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_sumnormdif.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_sumnormdifprec.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_sumnormdif.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_sumnormdifprec.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_sumnormdif.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_sumnormdifprec.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_pce_sh%d_d2_%d_sumnormdif_ms.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_pce_sh%d_d2_%d_sumnormdifprec.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_sh%d_d2_%d_sumnormdif_ms.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_sh%d_d2_%d_sumnormdifprec.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);