bugfix for UE init sync

executables/nr-ue.c

@@ -634,7 +634,7 @@ void syncInFrame(PHY_VARS_NR_UE *UE, openair0_timestamp *timestamp) {
 
 int computeSamplesShift(PHY_VARS_NR_UE *UE) {
   if (IS_SOFTMODEM_RFSIM) {
-    LOG_E(PHY,"SET rx_offset %d \n",UE->rx_offset);
+    LOG_D(PHY,"SET rx_offset %d \n",UE->rx_offset);
     //UE->rx_offset_diff=0;
     return 0;
   }
@@ -857,8 +857,9 @@ void *UE_thread(void *arg) {
       usleep(200);
     }
 
-    if (  decoded_frame_rx != curMsg->proc.frame_rx &&
-          ((decoded_frame_rx+1) % MAX_FRAME_NUMBER) != curMsg->proc.frame_rx )
+    if (  (decoded_frame_rx != curMsg->proc.frame_rx) &&
+          (((decoded_frame_rx+1) % MAX_FRAME_NUMBER) != curMsg->proc.frame_rx) &&
+          (((decoded_frame_rx+2) % MAX_FRAME_NUMBER) != curMsg->proc.frame_rx))
       LOG_E(PHY,"Decoded frame index (%d) is not compatible with current context (%d), UE should go back to synch mode\n",
             decoded_frame_rx, curMsg->proc.frame_rx  );
 

openair1/PHY/MODULATION/slot_fep_nr.c

@@ -339,7 +339,7 @@ int nr_slot_fep_init_sync(PHY_VARS_NR_UE *ue,
 #endif
 
 
-        dft(dftsize,(int16_t *) &common_vars->rxdata[aa][(rx_offset) % frame_length_samples],
+        dft(dftsize,(int16_t *) &common_vars->rxdata[aa][rx_offset],
             (int16_t *)&common_vars->common_vars_rx_data_per_thread[ue->current_thread_id[Ns]].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],1);
 #if UE_TIMING_TRACE
         stop_meas(&ue->rx_dft_stats);
@@ -363,7 +363,7 @@ int nr_slot_fep_init_sync(PHY_VARS_NR_UE *ue,
         dft(dftsize,(int16_t *)tmp_dft_in,
             (int16_t *)&common_vars->common_vars_rx_data_per_thread[ue->current_thread_id[Ns]].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],1);
       } else { // use dft input from RX buffer directly
-        dft(dftsize,(int16_t *) &common_vars->rxdata[aa][(rx_offset) % frame_length_samples],
+        dft(dftsize,(int16_t *) &common_vars->rxdata[aa][rx_offset],
             (int16_t *)&common_vars->common_vars_rx_data_per_thread[ue->current_thread_id[Ns]].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],1);
       }
 #if UE_TIMING_TRACE