Inserted txdata in gNB with matlab waveform

executables/nr-gnb.c

@@ -960,6 +960,17 @@ void init_eNB_afterRU(void) {
     LOG_I(PHY,"RC.nb_nr_CC[inst:%d]:%p\n", inst, RC.gNB[inst]);
     gNB                                  =  RC.gNB[inst];
     phy_init_nr_gNB(gNB,0,0);
+    FILE *matlab_gen_file = fopen("/home/sakthi/pdsch_mcs28_dci46_matlab.dat","r");
+    if (matlab_gen_file==NULL) {
+      printf("problem opening file\n");
+      exit(-1);
+    }
+    fread((void*)gNB->common_vars.debugBuff,sizeof(short),30720*2*2,matlab_gen_file);
+    for(int idx_samp=0; idx_samp<30720*2; idx_samp++) {
+      *((int16_t*)(gNB->common_vars.debugBuff+idx_samp))>>=2;
+      *(((int16_t*)(gNB->common_vars.debugBuff+idx_samp))+1)>>=2;
+    }
+
 
     // map antennas and PRACH signals to gNB RX
     if (0) AssertFatal(gNB->num_RU>0,"Number of RU attached to gNB %d is zero\n",gNB->Mod_id);

openair1/PHY/NR_UE_TRANSPORT/dci_nr.c

@@ -861,6 +861,7 @@ uint8_t nr_dci_decoding_procedure(PHY_VARS_NR_UE *ue,
 
         LOG_D(PHY, "Trying DCI candidate %d of %d number of candidates, CCE %d (%d), L %d\n", j, rel15->number_of_candidates, CCEind, CCEind*9*6*2, L);
 
+        rel15->coreset.scrambling_rnti = 0x1234;
         nr_pdcch_unscrambling(&pdcch_vars->e_rx[CCEind*108], rel15->coreset.scrambling_rnti, L*108, rel15->coreset.pdcch_dmrs_scrambling_id, tmp_e);
 
         #ifdef DEBUG_DCI_DECODING

openair1/SCHED_NR/nr_ru_procedures.c

@@ -168,6 +168,10 @@ void nr_feptx0(RU_t *ru,int tti_tx,int first_symbol, int num_symbols, int aa) {
     }
   }
 
+  if(tti_tx==1) {
+    //memset((void*)(&ru->common.txdata[aa][fp->get_samples_slot_timestamp(tti_tx,fp,0)]),0,sizeof(int16_t)*2*fp->get_samples_per_slot(tti_tx,fp));
+    memcpy((void*)(&ru->common.txdata[aa][fp->get_samples_slot_timestamp(tti_tx,fp,0)]),(void*)&ru->gNB_list[0]->common_vars.debugBuff[30720],sizeof(int16_t)*2*fp->get_samples_per_slot(tti_tx,fp));
+  }
         
   //VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_RU_FEPTX_OFDM+(first_symbol!=0?1:0), 0);
 }

openair1/SIMULATION/NR_PHY/dlsim.c

@@ -912,6 +912,10 @@ int main(int argc, char **argv)
           slot_length = get_samples_per_slot(slot,frame_parms);
           fread((void*)&UE->common_vars.rxdata[0][slot_offset],
                 sizeof(int16_t),slot_length<<1,input_fd);
+          for(int idx_samp=0; idx_samp<slot_length; idx_samp++) {
+            *((int16_t*)(&UE->common_vars.rxdata[0][slot_offset+idx_samp]))>>=2;
+            *(((int16_t*)(&UE->common_vars.rxdata[0][slot_offset+idx_samp]))+1)>>=2;
+          }
         }
         
         nr_ue_dcireq(&dcireq); //to be replaced with function pointer later