PUSCH running with rfsimulator

.gitignore

@@ -4,6 +4,7 @@
 # log and exec file
 cmake_targets/log/
 cmake_targets/*/build/
+cmake_targets/ran_build/
 log/
 lte_build_oai/
 targets/bin/

executables/nr-ru.c

@@ -659,6 +659,7 @@ void rx_rf(RU_t *ru,int *frame,int *slot) {
                                      ru->nb_rx);
   }
 
+
   VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_READ, 0 );
   proc->timestamp_rx = ts-ru->ts_offset;
 
@@ -1445,6 +1446,7 @@ static void *ru_thread( void *param ) {
     }
 
     // synchronization on input FH interface, acquire signals/data and block
+    LOG_D(PHY,"[RU_thread] read data: frame_rx = %d, tti_rx = %d\n", frame, slot);
     if (ru->fh_south_in) ru->fh_south_in(ru,&frame,&slot);
     else AssertFatal(1==0, "No fronthaul interface at south port");
 
@@ -1471,14 +1473,12 @@ static void *ru_thread( void *param ) {
     // do RX front-end processing (frequency-shift, dft) if needed
     if (ru->feprx) ru->feprx(ru,proc->tti_rx);
 
-    LOG_I(PHY,"RU proc: frame_rx = %d, tti_rx = %d\n", proc->frame_rx, proc->tti_rx);
-    LOG_I(PHY,"gNB proc: frame_rx = %d, slot_rx = %d\n", RC.gNB[0][0]->proc.frame_rx, RC.gNB[0][0]->proc.slot_rx);
-    LOG_I(PHY,"Copying rxdataF from RU to gNB\n");
+    LOG_D(PHY,"RU proc: frame_rx = %d, tti_rx = %d\n", proc->frame_rx, proc->tti_rx);
+    LOG_D(PHY,"Copying rxdataF from RU to gNB\n");
 
     for (aa=0;aa<ru->nb_rx;aa++)
       memcpy((void*)RC.gNB[0][0]->common_vars.rxdataF[aa],
-         (void*)&ru->common.rxdataF[aa][proc->tti_rx*fp->symbols_per_tti*fp->ofdm_symbol_size],
-         fp->symbols_per_tti*fp->ofdm_symbol_size*sizeof(int32_t));
+         (void*)ru->common.rxdataF[aa], fp->symbols_per_slot*fp->ofdm_symbol_size*sizeof(int32_t));
 
     // At this point, all information for subframe has been received on FH interface
 
@@ -2152,7 +2152,7 @@ void init_NR_RU(char *rf_config_file)
       if (gNB0) {
         LOG_I(PHY,"Copying frame parms from gNB %d to ru %d\n",gNB0->Mod_id,ru->idx);
         memcpy((void *)fp,(void *)&gNB0->frame_parms,sizeof(NR_DL_FRAME_PARMS));
-        memset((void *)ru->frame_parms, 0, sizeof(LTE_DL_FRAME_PARMS));
+        memset((void *)ru->nr_frame_parms, 0, sizeof(NR_DL_FRAME_PARMS));
         // attach all RU to all gNBs in its list/
         LOG_D(PHY,"ru->num_gNB:%d gNB0->num_RU:%d\n", ru->num_gNB, gNB0->num_RU);
 

executables/nr-ue.c

@@ -141,8 +141,10 @@ PHY_VARS_NR_UE *init_nr_ue_vars(NR_DL_FRAME_PARMS *frame_parms,
   ue = (PHY_VARS_NR_UE *)malloc(sizeof(PHY_VARS_NR_UE));
   memset(ue,0,sizeof(PHY_VARS_NR_UE));
   memcpy(&(ue->frame_parms), frame_parms, sizeof(NR_DL_FRAME_PARMS));
+
   ue->Mod_id      = UE_id;
   ue->mac_enabled = 1;
+
   // initialize all signal buffers
   init_nr_ue_signal(ue,1,abstraction_flag);
   // intialize transport
@@ -430,14 +432,12 @@ void UE_processing(void *arg) {
       (UE->frame_parms.frame_type == FDD) )
 #endif
 */
-  if (proc->nr_tti_tx == NR_UPLINK_SLOT){
-
-    LOG_I(PHY, "[UE_processing] Frame = %d, Slot = %d\n", proc->frame_tx, proc->nr_tti_tx);
+  //if (proc->nr_tti_tx == NR_UPLINK_SLOT){
 
     if (UE->mode != loop_through_memory)
       phy_procedures_nrUE_TX(UE,proc,0,0);
 
-  }
+  //}
 
   //phy_procedures_UE_TX(UE,proc,0,0,UE->mode,no_relay);
 
@@ -664,7 +664,7 @@ void *UE_thread(void *arg) {
                slot_nr*UE->frame_parms.samples_per_slot];
 
     for (int i=0; i<UE->frame_parms.nb_antennas_tx; i++)
-      txp[i] = (void *)&UE->common_vars.txdata[i][curMsg->proc.nr_tti_tx*UE->frame_parms.samples_per_slot];
+      txp[i] = (void *)&UE->common_vars.txdata[i][((curMsg->proc.nr_tti_rx + 2)%nb_slot_frame)*UE->frame_parms.samples_per_slot];
 
     int readBlockSize, writeBlockSize;
 

executables/nr-uesoftmodem.c

@@ -77,6 +77,7 @@ unsigned short config_frames[4] = {2,9,11,13};
 
 #include <forms.h>
 
+
 /* Callbacks, globals and object handlers */
 
 extern void reset_stats( FL_OBJECT *, long );
@@ -735,6 +736,7 @@ int main( int argc, char **argv ) {
     PHY_vars_UE_g[0][CC_id] = init_nr_ue_vars(frame_parms[CC_id], 0,abstraction_flag);
     UE[CC_id] = PHY_vars_UE_g[0][CC_id];
 
+
     if (phy_test==1)
       UE[CC_id]->mac_enabled = 0;
     else

openair1/PHY/INIT/nr_parms.c

@@ -224,6 +224,8 @@ 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->nb_antennas_rx = 1; // default value until overwritten by RRCConnectionReconfiguration
+  fp->nb_antennas_tx = 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;

openair1/PHY/NR_REFSIG/nr_gold.c

@@ -143,7 +143,7 @@ void nr_gold_pusch(PHY_VARS_gNB* gNB, unsigned short lbar,unsigned short *n_idDM
             //printf("x1 : %x, x2 : %x\n",x1,x2);
         }
 
-        for (n=0; n<52; n++) {
+        for (n=0; n<NR_MAX_PUSCH_DMRS_INIT_LENGTH_DWORD; n++) {
           x1 = (x1>>1) ^ (x1>>4);
           x1 = x1 ^ (x1<<31) ^ (x1<<28);
           x2 = (x2>>1) ^ (x2>>2) ^ (x2>>3) ^ (x2>>4);

openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c

@@ -642,7 +642,7 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB,
     // harq_process->harq_ack.harq_id = harq_pid;
     // harq_process->harq_ack.send_harq_status = 1;
     // harq_process->errors[harq_process->round]++;
-    harq_process->round++;
+    //harq_process->round++;
 
     if (harq_process->round >= ulsch->Mlimit) {
       harq_process->status = SCH_IDLE;

openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c

@@ -275,7 +275,7 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
   }
 
 #if UE_TIMING_TRACE
-  if(symbol > ue->frame_parms.symbols_per_tti>>1)
+  if(symbol > ue->frame_parms.symbols_per_slot>>1)
   {
       slot = 1;
   }
@@ -1064,9 +1064,9 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
 #if T_TRACER
   T(T_UE_PHY_PDSCH_IQ, T_INT(eNB_id), T_INT(ue->Mod_id), T_INT(frame%1024),
     T_INT(nr_tti_rx), T_INT(nb_rb),
-    T_INT(frame_parms->N_RB_UL), T_INT(frame_parms->symbols_per_tti),
+    T_INT(frame_parms->N_RB_UL), T_INT(frame_parms->symbols_per_slot),
     T_BUFFER(&pdsch_vars[eNB_id]->rxdataF_comp0[eNB_id][0],
-             2 * /* ulsch[UE_id]->harq_processes[harq_pid]->nb_rb */ frame_parms->N_RB_UL *12*frame_parms->symbols_per_tti*2));
+             2 * /* ulsch[UE_id]->harq_processes[harq_pid]->nb_rb */ frame_parms->N_RB_UL *12*frame_parms->symbols_per_slot*2));
 #endif
   return(0);
 

openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_coding.c

@@ -317,6 +317,7 @@ int nr_ulsch_encoding(NR_UE_ULSCH_t *ulsch,
 ///////////
 /////////////////////////////////////////////////////////////////////////////////////
 
+opp_enabled=0;
 
 ///////////////////////// c---->| LDCP coding |---->d /////////////////////////
 ///////////

openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c

@@ -239,7 +239,6 @@ uint8_t nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE,
 
   /////////////////////////DMRS Modulation/////////////////////////
   ///////////
-
   pusch_dmrs = UE->nr_gold_pusch_dmrs[slot];
   n_dmrs = (harq_process_ul_ue->nb_rb*ulsch_ue->nb_re_dmrs);
   int16_t mod_dmrs[n_dmrs<<1];
@@ -249,7 +248,6 @@ uint8_t nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE,
   l0 = get_l0_ul(mapping_type, 2);
   nr_modulation(pusch_dmrs[l0][0], n_dmrs*2, DMRS_MOD_ORDER, mod_dmrs); // currently only codeword 0 is modulated. Qm = 2 as DMRS is QPSK modulated
 
-
   ///////////
   ////////////////////////////////////////////////////////////////////////
 
@@ -338,7 +336,7 @@ uint8_t nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE,
           ((int16_t*)txdataF[ap])[((sample_offsetF)<<1) + 1] = (Wt[l_prime[0]]*Wf[k_prime]*AMP*mod_dmrs[(dmrs_idx<<1) + 1]) >> 15;
 
           #ifdef DEBUG_PUSCH_MAPPING
-            printf("dmrs_idx %d\t l %d \t k %d \t k_prime %d \t n %d \t txdataF: %d %d\n",
+            printf("dmrs_idx %d\t l %d \t k %d \t k_prime %d \t n %d \t dmrs: %d %d\n",
             dmrs_idx, l, k, k_prime, n, ((int16_t*)txdataF[ap])[(sample_offsetF)<<1],
             ((int16_t*)txdataF[ap])[((sample_offsetF)<<1) + 1]);
           #endif
@@ -369,7 +367,6 @@ uint8_t nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE,
       }
     }
   }
-
   ///////////
   ////////////////////////////////////////////////////////////////////////
 
@@ -415,7 +412,6 @@ uint8_t nr_ue_pusch_common_procedures(PHY_VARS_NR_UE *UE,
            frame_parms);
       }
     }
-
   ///////////
   ////////////////////////////////////////////////////
   return 0;

openair1/PHY/defs_gNB.h

@@ -669,7 +669,7 @@ typedef struct PHY_VARS_gNB_s {
   uint32_t ****nr_gold_pdsch_dmrs;
   
   /// PUSCH DMRS
-  uint32_t nr_gold_pusch[2][20][2][52];
+  uint32_t nr_gold_pusch[2][20][2][NR_MAX_PUSCH_DMRS_INIT_LENGTH_DWORD];
 
   /// Indicator set to 0 after first SR
   uint8_t first_sr[NUMBER_OF_UE_MAX];

openair1/SCHED_NR/nr_ru_procedures.c

@@ -264,7 +264,7 @@ void nr_fep0(RU_t *ru, int first_half) {
     end_symbol = NR_SYMBOLS_PER_SLOT;
   }
 
-  LOG_I(PHY,"In fep0 for slot = %d, first_half = %d, start_symbol = %d, end_symbol = %d\n", proc->tti_rx, first_half, start_symbol, end_symbol);
+  LOG_D(PHY,"In fep0 for slot = %d, first_half = %d, start_symbol = %d, end_symbol = %d\n", proc->tti_rx, first_half, start_symbol, end_symbol);
   //  printf("fep0: slot %d\n",slot);
 
   VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_RU_FEPRX+proc->tti_rx, 1);
@@ -405,7 +405,7 @@ void nr_fep_full(RU_t *ru, int slot) {
   // remove_7_5_kHz(ru,proc->tti_rx<<1);
   // remove_7_5_kHz(ru,1+(proc->tti_rx<<1));
 
-  for (l = 0; l < fp->symbols_per_tti; l++) {
+  for (l = 0; l < fp->symbols_per_slot; l++) {
     for (aa = 0; aa < fp->nb_antennas_rx; aa++) {
       nr_slot_fep_ul(fp,
                      ru->common.rxdata[aa],

openair1/SCHED_NR/phy_procedures_nr_gNB.c

@@ -282,7 +282,7 @@ void phy_procedures_gNB_uespec_RX(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx,
   uint8_t harq_pid = 0; // [hna] Previously in LTE, the harq_pid was obtained from the subframe number (Synchronous HARQ)
                         //       In NR, this should be signaled through uplink scheduling dci (i.e, DCI 0_0, 0_1) (Asynchronous HARQ)  
 
-  for (UE_id = 0; UE_id < NUMBER_OF_NR_UE_MAX; UE_id++) {
+  for (UE_id = 0; UE_id < 1; UE_id++) { // temporary set to 1 untill list of connected UEs is implemented
     
     for(symbol = symbol_start; symbol < symbol_end; symbol++) {
 

openair1/SCHED_NR_UE/phy_procedures_nr_ue.c

@@ -2483,7 +2483,6 @@ void phy_procedures_nrUE_TX(PHY_VARS_NR_UE *ue,
   start_meas(&ue->phy_proc_tx);
 #endif
 
-
   harq_pid = 0; //temporary implementation
 
   /*
@@ -2498,11 +2497,26 @@ void phy_procedures_nrUE_TX(PHY_VARS_NR_UE *ue,
 
   TBS = nr_compute_tbs( harq_process_ul_ue->mcs, harq_process_ul_ue->nb_rb, ulsch_ue->Nsymb_pusch, ulsch_ue->nb_re_dmrs, ulsch_ue->length_dmrs, harq_process_ul_ue->Nl);
 
+  LOG_I(PHY, "[phy_procedures_nrUE_TX] mcs = %d, nb_rb = %d \n , Nsymb_pusch = %d, nb_re_dmrs = %d, length_dmrs = %d, precod_nbr_layers = %d, TBS = %d\n",
+  harq_process_ul_ue->mcs,
+  harq_process_ul_ue->nb_rb,
+  ulsch_ue->Nsymb_pusch,
+  ulsch_ue->nb_re_dmrs,
+  ulsch_ue->length_dmrs,
+  harq_process_ul_ue->Nl,
+  TBS);
+
+
 //-----------------------------------------------------//
   // to be removed later when MAC is ready
 
+  if (harq_process_ul_ue != NULL){
     for (i = 0; i < TBS / 8; i++)
       harq_process_ul_ue->a[i] = (unsigned char) rand();
+  } else {
+    LOG_E(PHY, "[phy_procedures_nrUE_TX] harq_process_ul_ue is NULL !!\n");
+    return;
+  }
 
 //-----------------------------------------------------//
 
@@ -2529,6 +2543,7 @@ void phy_procedures_nrUE_TX(PHY_VARS_NR_UE *ue,
                                 &ue->frame_parms);
 
 
+
 /*
   if ((ue->UE_mode[eNB_id] == PRACH) &&
       (ue->frame_parms.prach_config_common.prach_Config_enabled==1)) {
@@ -3405,7 +3420,7 @@ void nr_ue_pdsch_procedures(PHY_VARS_NR_UE *ue, UE_nr_rxtx_proc_t *proc, int eNB
 	first_symbol_flag = 0;
 #if UE_TIMING_TRACE
       uint8_t slot = 0;
-      if(m >= ue->frame_parms.symbols_per_tti>>1)
+      if(m >= ue->frame_parms.symbols_per_slot>>1)
         slot = 1;
       start_meas(&ue->dlsch_llr_stats_parallelization[ue->current_thread_id[nr_tti_rx]][slot]);
 #endif
@@ -3898,7 +3913,7 @@ void *UE_thread_slot1_dl_processing(void *arg) {
     0);
     */
     // 1- perform FFT
-    for (int l=1; l<ue->frame_parms.symbols_per_tti>>1; l++)
+    for (int l=1; l<ue->frame_parms.symbols_per_slot>>1; l++)
       {
 	//if( (l != pilot0) && (l != pilot1))
 	{
@@ -3930,7 +3945,7 @@ void *UE_thread_slot1_dl_processing(void *arg) {
       }
 
     // 2- perform Channel Estimation for slot1
-    for (int l=1; l<ue->frame_parms.symbols_per_tti>>1; l++)
+    for (int l=1; l<ue->frame_parms.symbols_per_slot>>1; l++)
       {
 	if(l == pilot1)
 	  {
@@ -4018,8 +4033,8 @@ void *UE_thread_slot1_dl_processing(void *arg) {
 			  PDSCH,
 			  ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0],
 			  NULL,
-			  (ue->frame_parms.symbols_per_tti>>1),
-			  ue->frame_parms.symbols_per_tti-1,
+			  (ue->frame_parms.symbols_per_slot>>1),
+			  ue->frame_parms.symbols_per_slot-1,
 			  abstraction_flag);
       LOG_D(PHY," ------ end PDSCH ChannelComp/LLR slot 0: AbsSubframe %d.%d ------  \n", frame_rx%1024, nr_tti_rx);
       LOG_D(PHY," ------ --> PDSCH Turbo Decoder slot 0/1: AbsSubframe %d.%d ------  \n", frame_rx%1024, nr_tti_rx);
@@ -4033,8 +4048,8 @@ void *UE_thread_slot1_dl_processing(void *arg) {
 			  SI_PDSCH,
 			  ue->dlsch_SI[eNB_id],
 			  NULL,
-			  (ue->frame_parms.symbols_per_tti>>1),
-			  ue->frame_parms.symbols_per_tti-1,
+			  (ue->frame_parms.symbols_per_slot>>1),
+			  ue->frame_parms.symbols_per_slot-1,
 			  abstraction_flag);
     }
 
@@ -4046,8 +4061,8 @@ void *UE_thread_slot1_dl_processing(void *arg) {
 			  P_PDSCH,
 			  ue->dlsch_p[eNB_id],
 			  NULL,
-			  (ue->frame_parms.symbols_per_tti>>1),
-			  ue->frame_parms.symbols_per_tti-1,
+			  (ue->frame_parms.symbols_per_slot>>1),
+			  ue->frame_parms.symbols_per_slot-1,
 			  abstraction_flag);
     }
     // do procedures for RA-RNTI
@@ -4058,8 +4073,8 @@ void *UE_thread_slot1_dl_processing(void *arg) {
 			  RA_PDSCH,
 			  ue->dlsch_ra[eNB_id],
 			  NULL,
-			  (ue->frame_parms.symbols_per_tti>>1),
-			  ue->frame_parms.symbols_per_tti-1,
+			  (ue->frame_parms.symbols_per_slot>>1),
+			  ue->frame_parms.symbols_per_slot-1,
 			  abstraction_flag);
     }
 

openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.h

@@ -91,6 +91,8 @@ typedef struct {
     uint32_t slot;
     /// ssb_index, if ssb is not present in current TTI, thie value set to -1
     int ssb_index;
+    /// dci reception indication structure
+    fapi_nr_dci_indication_t *dci_ind;
 } nr_uplink_indication_t;
 
 // Downlink subframe P7