Fixing bugs introduced as a result of uninitialized variables

openair1/PHY/CODING/nr_segmentation.c

@@ -126,7 +126,7 @@ else
 
   } else {
     //msg("nr_segmentation.c: Illegal codeword size !!!\n");
-    return(-1);
+    return -1;
   }
   *Zout = *K;
   *K = *K*Kb;
@@ -140,10 +140,11 @@ else
 
   if ((input_buffer) && (output_buffers)) {
 
-    s=0;
+    s = 0;
 
     for (r=0; r<*C; r++) {
 
+      k = 0;
       Kprime = Bprime_by_C;
 
       while (k<((Kprime - L)>>3)) {
@@ -153,10 +154,11 @@ else
         s++;
       }
 
-      if (*F>0)
-      for (k=Kprime>>3; k<(*K)>>3; k++) {
+      if (*F>0) {
+        for (k=Kprime>>3; k<(*K)>>3; k++) {
           output_buffers[r][k] = NR_NULL;
           //printf("r %d filler bits [%d] = %d Kprime %d \n", r,k, output_buffers[r][k], Kprime);
+        }
       }
 
       if (*C > 1) { // add CRC
@@ -165,12 +167,10 @@ else
         output_buffers[r][1+((Kprime-L)>>3)] = ((uint8_t*)&crc)[1];
         output_buffers[r][2+((Kprime-L)>>3)] = ((uint8_t*)&crc)[0];
       }
-
-      k=0;
     }
   }
 
-  return(0);
+  return 0;
 }
 
 

openair1/PHY/INIT/nr_init.c

@@ -372,6 +372,8 @@ void nr_phy_config_request_sim(PHY_VARS_gNB *gNB,int N_RB_DL,int N_RB_UL,int mu,
   gNB_config->sch_config.n_ssb_crb.value = (N_RB_DL-20);
   gNB_config->sch_config.ssb_subcarrier_offset.value = 0;
   gNB_config->sch_config.physical_cell_id.value=Nid_cell;
+  gNB_config->subframe_config.dl_cyclic_prefix_type.value = (fp->Ncp == NORMAL) ? NFAPI_CP_NORMAL : NFAPI_CP_EXTENDED;
+
   gNB->mac_enabled     = 1;
   fp->dl_CarrierFreq = from_nrarfcn(gNB_config->nfapi_config.rf_bands.rf_band[0],gNB_config->nfapi_config.nrarfcn.value);
   fp->ul_CarrierFreq = fp->dl_CarrierFreq - (get_uldl_offset(gNB_config->nfapi_config.rf_bands.rf_band[0])*100000);

openair1/PHY/INIT/nr_init_ue.c

@@ -670,7 +670,7 @@ int init_nr_ue_signal(PHY_VARS_NR_UE *ue,
 
   // many memory allocation sizes are hard coded
   AssertFatal( fp->nb_antennas_rx <= 2, "hard coded allocation for ue_common_vars->dl_ch_estimates[eNB_id]" );
-  AssertFatal( ue->n_connected_eNB <= NUMBER_OF_CONNECTED_eNB_MAX, "n_connected_eNB is too large" );
+  AssertFatal( nb_connected_eNB <= NUMBER_OF_CONNECTED_eNB_MAX, "n_connected_eNB is too large" );
   // init phy_vars_ue
 
   for (i=0; i<4; i++) {
@@ -922,7 +922,7 @@ void init_nr_ue_transport(PHY_VARS_NR_UE *ue,int abstraction_flag) {
       for (k=0; k<RX_NB_TH_MAX; k++) {
 	AssertFatal((ue->dlsch[k][i][j]  = new_nr_ue_dlsch(1,NUMBER_OF_HARQ_PID_MAX,NSOFT,MAX_LDPC_ITERATIONS,ue->frame_parms.N_RB_DL, abstraction_flag))!=NULL,"Can't get ue dlsch structures\n");
 
-	LOG_D(PHY,"dlsch[%d][%d][%d] => %p\n",k,i,j,ue->dlsch[i][j]);
+	LOG_D(PHY,"dlsch[%d][%d][%d] => %p\n",k,i,j,ue->dlsch[k][i][j]);
       }
     }
 

openair1/PHY/INIT/nr_parms.c

@@ -156,6 +156,9 @@ int nr_init_frame_parms0(NR_DL_FRAME_PARMS *fp,
   }
 
   fp->slots_per_frame = 10* fp->slots_per_subframe;
+
+  fp->nb_antenna_ports_eNB = 1; // default value until overwritten by RRCConnectionReconfiguration
+
   fp->symbols_per_slot = ((Ncp == NORMAL)? 14 : 12); // to redefine for different slot formats
   fp->samples_per_subframe_wCP = fp->ofdm_symbol_size * fp->symbols_per_slot * fp->slots_per_subframe;
   fp->samples_per_frame_wCP = 10 * fp->samples_per_subframe_wCP;

openair1/SIMULATION/NR_PHY/dlschsim.c

@@ -381,6 +381,7 @@ int main(int argc, char **argv) {
 	frame_parms->nb_antennas_tx = n_tx;
 	frame_parms->nb_antennas_rx = n_rx;
 	frame_parms->N_RB_DL = N_RB_DL;
+	frame_parms->Ncp = extended_prefix_flag ? EXTENDED : NORMAL;
 	crcTableInit();
 	nr_phy_config_request_sim(gNB, N_RB_DL, N_RB_DL, mu, Nid_cell);
 	phy_init_nr_gNB(gNB, 0, 0);
@@ -490,7 +491,7 @@ int main(int argc, char **argv) {
 	test_input_bit = (unsigned char *) malloc16(sizeof(unsigned char) * 16 * 68 * 384);
 	estimated_output = (unsigned char *) malloc16(sizeof(unsigned char) * 16 * 68 * 384);
 	estimated_output_bit = (unsigned char *) malloc16(sizeof(unsigned char) * 16 * 68 * 384);
-	NR_UE_DLSCH_t *dlsch0_ue = UE->dlsch[UE->current_thread_id[subframe]][0][0];
+	NR_UE_DLSCH_t *dlsch0_ue = UE->dlsch[0][0][0];
 	NR_DL_UE_HARQ_t *harq_process = dlsch0_ue->harq_processes[harq_pid];
 	harq_process->mcs = Imcs;
 	harq_process->Nl = Nl;
@@ -643,7 +644,7 @@ int main(int argc, char **argv) {
 		printf("gNB %d\n", i);
 		free_gNB_dlsch(gNB->dlsch[0][i]);
 		printf("UE %d\n", i);
-		free_nr_ue_dlsch(UE->dlsch[UE->current_thread_id[subframe]][0][i]);
+		free_nr_ue_dlsch(UE->dlsch[0][0][i]);
 	}
 
 	for (i = 0; i < 2; i++) {