if4 working

openair1/PHY/LTE_TRANSPORT/if4_tools.c

@@ -96,7 +96,7 @@ void send_IF4(PHY_VARS_eNB *eNB, int frame, int subframe, uint16_t packet_type,
   } else if (packet_type == IF4_PULFFT) {
     db_fulllength = 12*fp->N_RB_UL;
     db_halflength = (db_fulllength)>>1;
-    slotoffsetF = (subframe)*(fp->ofdm_symbol_size)*((fp->Ncp==1) ? 12 : 14) + 1;
+    slotoffsetF = 1;
     blockoffsetF = slotoffsetF + fp->ofdm_symbol_size - db_halflength - 1; 
 
     IF4_header_t *ul_header = (IF4_header_t *)(tx_buffer + MAC_HEADER_SIZE_BYTES);
@@ -212,7 +212,7 @@ void recv_IF4(PHY_VARS_eNB *eNB, int *frame, int *subframe, uint16_t *packet_typ
   } else if (*packet_type == IF4_PULFFT) {         
     *symbol_number = ((packet_header->frame_status)>>26)&0x000f;         
 
-    slotoffsetF = (*symbol_number)*(fp->ofdm_symbol_size) + (*subframe)*(fp->ofdm_symbol_size)*((fp->Ncp==1) ? 12 : 14) + 1;
+    slotoffsetF = (*symbol_number)*(fp->ofdm_symbol_size) + 1;
     blockoffsetF = slotoffsetF + fp->ofdm_symbol_size - db_halflength - 1; 
     
     for (element_id=0; element_id<db_halflength; element_id++) {

openair1/PHY/LTE_TRANSPORT/prach.c

@@ -1104,12 +1104,7 @@ void rx_prach(PHY_VARS_eNB *eNB,
   for (aa=0; aa<nb_ant_rx; aa++) {
     prach[aa] = (int16_t*)&eNB->common_vars.rxdata[0][aa][subframe*eNB->frame_parms.samples_per_tti-eNB->N_TA_offset];
   }
-  
-  int energy = dB_fixed(signal_energy(prach[0], eNB->frame_parms.samples_per_tti));
-  //if (energy >= 45) {
-  //  printf("prach subframe energy %d\n",energy);
-  //} 
-    
+
   // First compute physical root sequence
   if (restricted_set == 0) {
     if (Ncs_config>15) {
@@ -1290,13 +1285,6 @@ void rx_prach(PHY_VARS_eNB *eNB,
     send_IF4(eNB, eNB->proc.frame_rx, eNB->proc.subframe_rx, IF4_PRACH, k);
     VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_SEND_IF4, 0 );   
 
-    energy = dB_fixed(signal_energy(&rxsigF[0][k], 839));
-    if (energy >=45) {
-      printf("<frame %d> prach freq-domain energy %d\n",eNB->proc.frame_rx, energy);     
-      //write_output("beforecomp.m","rxF",&rxsigF[0][k],839*2,1,0);        
-      //exit(1);
-    }    
-
     return;
   } else if (eNB->node_function == NGFI_RCC_IF4) {
     k = (12*n_ra_prb) - 6*eNB->frame_parms.N_RB_UL;
@@ -1313,13 +1301,6 @@ void rx_prach(PHY_VARS_eNB *eNB,
     memmove((&rxsigF[0][k]),
             (&rxsigF[0][0]),
             839*2*sizeof(int16_t));     
-                      
-    energy = dB_fixed(signal_energy(&rxsigF[0][k], 839));
-    if (energy >=45) {
-      printf("<frame %d> prach freq-domain energy %d\n",eNB->proc.frame_rx, energy);
-      //write_output("aftercomp.m","rxF",&rxsigF[0][k],839*2,1,0);        
-      //exit(1);        
-    }
   }
   
   // in case of RCC and prach received rx_thread wakes up prach

targets/RT/USER/lte-enb.c

@@ -976,7 +976,7 @@ static void* eNB_thread_FH( void* param ) {
  
   pthread_mutex_unlock(&sync_mutex);
  
-  printf( "got sync (eNB_thread FH)\n" );
+  printf( "got sync (eNB_thread_FH)\n" );
  
 #if defined(ENABLE_ITTI)
   wait_system_ready ("Waiting for eNB application to be ready %s\r", &start_eNB);