Merge remote-tracking branch 'origin/NR_RRCConfiguration_FR2' into integration_2020_wk45_2

executables/nr-ru.c

@@ -623,6 +623,7 @@ void rx_rf(RU_t *ru,int *frame,int *slot) {
   unsigned int rxs;
   int i;
   uint32_t samples_per_slot = fp->get_samples_per_slot(*slot,fp);
+  uint32_t samples_per_slot_prev ;
   openair0_timestamp ts,old_ts;
   AssertFatal(*slot<fp->slots_per_frame && *slot>=0, "slot %d is illegal (%d)\n",*slot,fp->slots_per_frame);
 
@@ -658,16 +659,16 @@ void rx_rf(RU_t *ru,int *frame,int *slot) {
     ru->ts_offset = proc->timestamp_rx;
     proc->timestamp_rx = 0;
   } else {
-    if (proc->timestamp_rx - old_ts != fp->get_samples_per_slot((*slot-1)%fp->slots_per_frame,fp)) {
-      LOG_D(PHY,"rx_rf: rfdevice timing drift of %"PRId64" samples (ts_off %"PRId64")\n",proc->timestamp_rx - old_ts - samples_per_slot,ru->ts_offset);
-      ru->ts_offset += (proc->timestamp_rx - old_ts - samples_per_slot);
+    samples_per_slot_prev = fp->get_samples_per_slot((*slot-1)%fp->slots_per_frame,fp);
+    if (proc->timestamp_rx - old_ts != samples_per_slot_prev) {
+      LOG_D(PHY,"rx_rf: rfdevice timing drift of %"PRId64" samples (ts_off %"PRId64")\n",proc->timestamp_rx - old_ts - samples_per_slot_prev,ru->ts_offset);
+      ru->ts_offset += (proc->timestamp_rx - old_ts - samples_per_slot_prev);
       proc->timestamp_rx = ts-ru->ts_offset;
     }
   }
 
   proc->frame_rx    = (proc->timestamp_rx / (fp->samples_per_subframe*10))&1023;
-  uint32_t idx_sf = proc->timestamp_rx / fp->samples_per_subframe;
-  proc->tti_rx = (idx_sf * fp->slots_per_subframe + (int)round((float)(proc->timestamp_rx % fp->samples_per_subframe) / fp->samples_per_slot0))%(fp->slots_per_frame);
+  proc->tti_rx = fp->get_slot_from_timestamp(proc->timestamp_rx,fp);
   // synchronize first reception to frame 0 subframe 0
   LOG_D(PHY,"RU %d/%d TS %llu (off %d), frame %d, slot %d.%d / %d\n",
         ru->idx,
@@ -688,7 +689,7 @@ void rx_rf(RU_t *ru,int *frame,int *slot) {
     }
 
     if (proc->frame_rx != *frame) {
-      LOG_E(PHY,"Received Timestamp (%llu) doesn't correspond to the time we think it is (proc->frame_rx %d frame %d)\n",(long long unsigned int)proc->timestamp_rx,proc->frame_rx,*frame);
+      LOG_E(PHY,"Received Timestamp (%llu) doesn't correspond to the time we think it is (proc->frame_rx %d frame %d, proc->tti_rx %d, slot %d)\n",(long long unsigned int)proc->timestamp_rx,proc->frame_rx,*frame,proc->tti_rx,*slot);
       exit_fun("Exiting");
     }
   } else {
@@ -758,7 +759,7 @@ void tx_rf(RU_t *ru,int frame,int slot, uint64_t timestamp) {
       // the beam index is written in bits 8-10 of the flags
       // bit 11 enables the gpio programming
       int beam=0;
-      if (slot==0) beam = 11; //3 for boresight & 8 to enable
+      //if (slot==0) beam = 11; //3 for boresight & 8 to enable
       /*
       if (slot==0 || slot==40) beam=0&8;
       if (slot==10 || slot==50) beam=1&8;

executables/nr-ue.c

@@ -180,6 +180,13 @@ static void UE_synch(void *arg) {
   UE->is_synchronized = 0;
 
   if (UE->UE_scan == 0) {
+
+    // Overwrite DL frequency (for FR2 testing)
+    if (downlink_frequency[0][0]!=0){
+       UE->frame_parms.dl_CarrierFreq = downlink_frequency[0][0];
+       UE->frame_parms.ul_CarrierFreq = downlink_frequency[0][0];
+    }
+
     LOG_I( PHY, "[SCHED][UE] Check absolute frequency DL %"PRIu64", UL %"PRIu64" (oai_exit %d, rx_num_channels %d)\n",
            UE->frame_parms.dl_CarrierFreq, UE->frame_parms.ul_CarrierFreq,
            oai_exit, openair0_cfg[0].rx_num_channels);

executables/nr-uesoftmodem.c

@@ -685,13 +685,7 @@ int main( int argc, char **argv ) {
 
     fapi_nr_config_request_t *nrUE_config = &UE[CC_id]->nrUE_config;
     nr_init_frame_parms_ue(frame_parms[CC_id],nrUE_config,NORMAL);
-
-    // Overwrite DL frequency (for FR2 testing)
-    if (downlink_frequency[0][0]!=0) {
-      frame_parms[CC_id]->dl_CarrierFreq = downlink_frequency[0][0];
-      frame_parms[CC_id]->ul_CarrierFreq = downlink_frequency[0][0];
-    }
-   
+    
     init_symbol_rotation(frame_parms[CC_id],frame_parms[CC_id]->dl_CarrierFreq);
     init_nr_ue_vars(UE[CC_id],frame_parms[CC_id],0,abstraction_flag);
 
@@ -751,8 +745,14 @@ int main( int argc, char **argv ) {
       UE[CC_id]->N_TA_offset = (int)(N_TA_offset * factor);
       LOG_I(PHY,"UE %d Setting N_TA_offset to %d samples (factor %f, UL Freq %lu, N_RB %d)\n", UE[CC_id]->Mod_id, UE[CC_id]->N_TA_offset, factor, UE[CC_id]->frame_parms.ul_CarrierFreq, N_RB);
     }
-  }
 
+   // Overwrite DL frequency (for FR2 testing)
+    if (downlink_frequency[0][0]!=0){
+      frame_parms[CC_id]->dl_CarrierFreq = downlink_frequency[0][0];
+      if (frame_parms[CC_id]->frame_type == TDD)
+      frame_parms[CC_id]->ul_CarrierFreq = downlink_frequency[0][0];
+    }
+  }
   //  printf("tx_max_power = %d -> amp %d\n",tx_max_power[0],get_tx_amp(tx_max_poHwer,tx_max_power));
   init_openair0();
   // init UE_PF_PO and mutex lock

openair1/PHY/INIT/nr_parms.c

@@ -233,6 +233,20 @@ uint32_t get_samples_per_slot(int slot, NR_DL_FRAME_PARMS* fp)
   return samp_count;
 }
 
+
+uint32_t get_slot_from_timestamp(openair0_timestamp timestamp_rx, NR_DL_FRAME_PARMS* fp)
+{
+   uint32_t slot_idx = 0;
+   int samples_till_the_slot = 0;
+   timestamp_rx = timestamp_rx%fp->samples_per_frame;
+
+    while (timestamp_rx > samples_till_the_slot) {
+        samples_till_the_slot += fp->get_samples_per_slot(slot_idx,fp);
+        slot_idx++;
+     }
+   return slot_idx; 
+}
+
 uint32_t get_samples_slot_timestamp(int slot, NR_DL_FRAME_PARMS* fp, uint8_t sl_ahead)
 {
   uint32_t samp_count = 0;
@@ -289,6 +303,7 @@ int nr_init_frame_parms(nfapi_nr_config_request_scf_t* cfg,
                              (fp->nb_prefix_samples + fp->ofdm_symbol_size) * (fp->symbols_per_slot * fp->slots_per_subframe - 2); 
   fp->get_samples_per_slot = &get_samples_per_slot;
   fp->get_samples_slot_timestamp = &get_samples_slot_timestamp;
+  fp->get_slot_from_timestamp = &get_slot_from_timestamp;
   fp->samples_per_frame = 10 * fp->samples_per_subframe;
   fp->freq_range = (fp->dl_CarrierFreq < 6e9)? nr_FR1 : nr_FR2;
 

openair1/PHY/MODULATION/nr_modulation.c

@@ -506,10 +506,10 @@ void init_symbol_rotation(NR_DL_FRAME_PARMS *fp,uint64_t CarrierFreq) {
 
   const int nsymb = fp->symbols_per_slot * fp->slots_per_frame/10;
   const double Tc=(1/480e3/4096);
-  const double Nu=2048*64*.5;
+  const double Nu=2048*64*(1/(float)(1<<fp->numerology_index));
   const double f0= (double)CarrierFreq;
-  const double Ncp0=16*64 + (144*64*.5);
-  const double Ncp1=(144*64*.5);
+  const double Ncp0=16*64 + (144*64*(1/(float)(1<<fp->numerology_index)));
+  const double Ncp1=(144*64*(1/(float)(1<<fp->numerology_index)));
   double tl=0,poff,exp_re,exp_im;
   double Ncp,Ncpm1=Ncp0;
 

openair1/PHY/MODULATION/slot_fep_nr.c

@@ -483,9 +483,15 @@ int nr_slot_fep_ul(NR_DL_FRAME_PARMS *frame_parms,
     dft(dftsize,(int16_t *)&tmp_dft_in,
         (int16_t *)&rxdataF[symbol * frame_parms->ofdm_symbol_size], 1);
   }
-  else
-    dft(dftsize,(int16_t *)&rxdata[rxdata_offset-sample_offset],
+  else {
+    //dft(dftsize,(int16_t *)&rxdata[rxdata_offset-sample_offset],
+      //  (int16_t *)&rxdataF[symbol * frame_parms->ofdm_symbol_size], 1);
+    memcpy((void *)tmp_dft_in,
+           (void *) &rxdata[rxdata_offset-sample_offset],
+           (frame_parms->ofdm_symbol_size)*sizeof(int));
+    dft(dftsize,(int16_t *)&tmp_dft_in,
         (int16_t *)&rxdataF[symbol * frame_parms->ofdm_symbol_size], 1);
+  }
 
   // clear DC carrier from OFDM symbols
   rxdataF[symbol * frame_parms->ofdm_symbol_size] = 0;

openair1/PHY/NR_UE_TRANSPORT/nr_pbch.c

@@ -36,7 +36,7 @@
 #include "PHY/LTE_REFSIG/lte_refsig.h"
 #include "PHY/INIT/phy_init.h"
 
-//#define DEBUG_PBCH 1
+//#define DEBUG_PBCH 
 //#define DEBUG_PBCH_ENCODING
 
 #ifdef OPENAIR2
@@ -61,7 +61,8 @@ uint16_t nr_pbch_extract(int **rxdataF,
   int nushiftmod4 = frame_parms->nushift;
   unsigned int  rx_offset = frame_parms->first_carrier_offset + frame_parms->ssb_start_subcarrier; //and
 
-  if (rx_offset>= frame_parms->ofdm_symbol_size) rx_offset-=frame_parms->ofdm_symbol_size;
+ // if (rx_offset>= frame_parms->ofdm_symbol_size) rx_offset-=frame_parms->ofdm_symbol_size;
+          rx_offset=(rx_offset)%(frame_parms->ofdm_symbol_size);
 
   AssertFatal(symbol>=1 && symbol<5,
               "symbol %d illegal for PBCH extraction\n",
@@ -103,8 +104,8 @@ uint16_t nr_pbch_extract(int **rxdataF,
             j++;
           }
 
-          //rx_offset=(rx_offset+1)&(frame_parms->ofdm_symbol_size-1);
-          rx_offset = (rx_offset >= frame_parms->ofdm_symbol_size) ? (rx_offset - frame_parms->ofdm_symbol_size + 1) : (rx_offset+1);
+          rx_offset=(rx_offset+1)%(frame_parms->ofdm_symbol_size);
+          //rx_offset = (rx_offset >= frame_parms->ofdm_symbol_size) ? (rx_offset - frame_parms->ofdm_symbol_size + 1) : (rx_offset+1);
 	}
 
         rxF_ext+=9;
@@ -126,12 +127,14 @@ uint16_t nr_pbch_extract(int **rxdataF,
               j++;
             }
 
-            //rx_offset=(rx_offset+1)&(frame_parms->ofdm_symbol_size-1);
-            rx_offset = (rx_offset >= frame_parms->ofdm_symbol_size) ? (rx_offset - frame_parms->ofdm_symbol_size + 1) : (rx_offset+1);
+            rx_offset=(rx_offset+1)%(frame_parms->ofdm_symbol_size);
+            //rx_offset = (rx_offset >= frame_parms->ofdm_symbol_size) ? (rx_offset - frame_parms->ofdm_symbol_size + 1) : (rx_offset+1);
           }
 
           rxF_ext+=9;
-        } else rx_offset = (rx_offset >= frame_parms->ofdm_symbol_size) ? (rx_offset - frame_parms->ofdm_symbol_size + 12) : (rx_offset+12);//rx_offset = (rx_offset+12)&(frame_parms->ofdm_symbol_size-1);
+        } else{ //rx_offset = (rx_offset >= frame_parms->ofdm_symbol_size) ? (rx_offset - frame_parms->ofdm_symbol_size + 12) : (rx_offset+12);
+                rx_offset = (rx_offset+12)%(frame_parms->ofdm_symbol_size);
+          }
       }
     }
 

openair1/PHY/defs_nr_common.h

@@ -236,6 +236,7 @@ typedef struct {
 typedef struct NR_DL_FRAME_PARMS NR_DL_FRAME_PARMS;
 
 typedef uint32_t (*get_samples_per_slot_t)(int slot, NR_DL_FRAME_PARMS* fp);
+typedef uint32_t (*get_slot_from_timestamp_t)(openair0_timestamp timestamp_rx, NR_DL_FRAME_PARMS* fp);
 
 typedef uint32_t (*get_samples_slot_timestamp_t)(int slot, NR_DL_FRAME_PARMS* fp, uint8_t sl_ahead);
 
@@ -292,6 +293,8 @@ struct NR_DL_FRAME_PARMS {
   uint32_t samples_per_subframe;
   /// Number of samples in current slot
   get_samples_per_slot_t get_samples_per_slot;
+  /// slot calculation from timestamp
+  get_slot_from_timestamp_t get_slot_from_timestamp;
   /// Number of samples before slot
   get_samples_slot_timestamp_t get_samples_slot_timestamp;
   /// Number of samples in 0th and center slot of a subframe

openair1/SCHED_NR/phy_procedures_nr_gNB.c

@@ -380,7 +380,8 @@ void nr_fill_indication(PHY_VARS_gNB *gNB, int frame, int slot_rx, int ULSCH_id,
     case 245: timing_advance_update /= 32; break;
     case 273: timing_advance_update /= 32; break;
     case 66:  timing_advance_update /= 12; break;
-    default: abort();
+    case 32:  timing_advance_update /= 12; break;
+    default: AssertFatal(0==1,"No case defined for PRB %d to calculate timing_advance_update\n",gNB->frame_parms.N_RB_DL);
   }
 
   // put timing advance command in 0..63 range

openair1/SCHED_NR_UE/defs.h

@@ -388,6 +388,7 @@ void set_tx_harq_id(NR_UE_ULSCH_t *ulsch, int harq_pid, int slot_tx);
 int get_tx_harq_id(NR_UE_ULSCH_t *ulsch, int slot_tx);
 
 int is_pbch_in_slot(fapi_nr_config_request_t *config, int frame, int slot, NR_DL_FRAME_PARMS *fp);
+int is_ssb_in_slot(fapi_nr_config_request_t *config, int frame, int slot, NR_DL_FRAME_PARMS *fp);
 
 /*@}*/
 

openair1/SCHED_NR_UE/phy_procedures_nr_ue.c

@@ -356,6 +356,16 @@ void nr_ue_pbch_procedures(uint8_t gNB_id,
   } else {
     LOG_E(PHY,"[UE %d] frame %d, nr_tti_rx %d, Error decoding PBCH!\n",
 	  ue->Mod_id,frame_rx, nr_tti_rx);
+    /*FILE *fd;
+    if ((fd = fopen("rxsig_frame0.dat","w")) != NULL) {
+                  fwrite((void *)&ue->common_vars.rxdata[0][0],
+                         sizeof(int32_t),
+                         ue->frame_parms.samples_per_frame,
+                         fd);
+                  LOG_I(PHY,"Dummping Frame ... bye bye \n");
+                  fclose(fd);
+                  exit(0);
+                }*/
 
     /*
     write_output("rxsig0.m","rxs0", ue->common_vars.rxdata[0],ue->frame_parms.samples_per_subframe,1,1);
@@ -1614,6 +1624,59 @@ void *UE_thread_slot1_dl_processing(void *arg) {
 }
 #endif
 
+int is_ssb_in_slot(fapi_nr_config_request_t *config, int frame, int slot, NR_DL_FRAME_PARMS *fp)
+{
+  int mu = fp->numerology_index;
+  //uint8_t half_frame_index = fp->half_frame_bit;
+  //uint8_t i_ssb = fp->ssb_index;
+  uint8_t Lmax = fp->Lmax;
+
+  if (!(frame%(1<<(config->ssb_table.ssb_period-1)))){
+
+    if(Lmax <= 8) {
+      if(slot <=3 && (((config->ssb_table.ssb_mask_list[0].ssb_mask << 2*slot)&0x80000000) == 0x80000000 || ((config->ssb_table.ssb_mask_list[0].ssb_mask << (2*slot +1))&0x80000000) == 0x80000000))
+      return 1;
+      else return 0;
+    
+    }
+    else if(Lmax == 64) {
+      if (mu == NR_MU_3){
+
+        if (slot>=0 && slot <= 7){
+          if(((config->ssb_table.ssb_mask_list[0].ssb_mask << 2*slot)&0x80000000) == 0x80000000 || ((config->ssb_table.ssb_mask_list[0].ssb_mask << (2*slot +1))&0x80000000) == 0x80000000)
+          return 1;
+          else return 0;
+        }
+      else if (slot>=10 && slot <=17){
+         if(((config->ssb_table.ssb_mask_list[0].ssb_mask << 2*(slot-2))&0x80000000) == 0x80000000 || ((config->ssb_table.ssb_mask_list[0].ssb_mask << (2*(slot-2) +1))&0x80000000) == 0x80000000)
+         return 1;
+         else return 0;
+      }
+      else if (slot>=20 && slot <=27){
+         if(((config->ssb_table.ssb_mask_list[1].ssb_mask << 2*(slot-20))&0x80000000) == 0x80000000 || ((config->ssb_table.ssb_mask_list[1].ssb_mask << (2*(slot-20) +1))&0x80000000) == 0x80000000)
+         return 1;
+         else return 0;
+      }
+      else if (slot>=30 && slot <=37){
+         if(((config->ssb_table.ssb_mask_list[1].ssb_mask << 2*(slot-22))&0x80000000) == 0x80000000 || ((config->ssb_table.ssb_mask_list[1].ssb_mask << (2*(slot-22) +1))&0x80000000) == 0x80000000)
+         return 1;
+         else return 0;
+       }
+      else return 0;
+
+    }
+
+
+    else if (mu == NR_MU_4) {
+         AssertFatal(0==1, "not implemented for mu =  %d yet\n", mu);
+    }
+    else AssertFatal(0==1, "Invalid numerology index %d for the synchronization block\n", mu);
+   }
+   else AssertFatal(0==1, "Invalid Lmax %u for the synchronization block\n", Lmax);
+  }
+  else return 0;
+
+}
 
 int is_pbch_in_slot(fapi_nr_config_request_t *config, int frame, int slot, NR_DL_FRAME_PARMS *fp)  {
 
@@ -1644,6 +1707,7 @@ int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,
   int frame_rx = proc->frame_rx;
   int nr_tti_rx = proc->nr_tti_rx;
   int slot_pbch;
+  //int slot_ssb;
   NR_UE_PDCCH *pdcch_vars  = ue->pdcch_vars[ue->current_thread_id[nr_tti_rx]][0];
   fapi_nr_config_request_t *cfg = &ue->nrUE_config;
 
@@ -1669,6 +1733,7 @@ int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,
     get_coreset_rballoc(pdcch_vars->pdcch_config[0].coreset.frequency_domain_resource,&coreset_nb_rb,&coreset_start_rb);
   
   slot_pbch = is_pbch_in_slot(cfg, frame_rx, nr_tti_rx, fp);
+  //slot_ssb = is_ssb_in_slot(cfg, frame_rx, nr_tti_rx, fp);
 
   // looking for pbch only in slot where it is supposed to be
   if ((ue->decode_MIB == 1) && slot_pbch)

openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c

@@ -1736,13 +1736,23 @@ uint32_t to_nrarfcn(int nr_bandP,
 	      (long long unsigned int)(nr_bandtable[i].dl_max - bw_kHz));
  
   int deltaFglobal = 60;
+  uint32_t N_REF_Offs = 2016667;
+  uint64_t F_REF_Offs_khz = 24250080;
 
-  if (dl_CarrierFreq < 3e9) deltaFglobal = 15;
-  if (dl_CarrierFreq < 24.25e9) deltaFglobal = 5;
+  if (dl_CarrierFreq < 24.25e9) {
+    deltaFglobal = 15;
+    N_REF_Offs = 600000;
+    F_REF_Offs_khz = 3000000;
+  }
+  if (dl_CarrierFreq < 3e9) {
+    deltaFglobal = 5;
+    N_REF_Offs = 0;
+    F_REF_Offs_khz = 0;
+  }   
 
   // This is equation before Table 5.4.2.1-1 in 38101-1-f30
   // F_REF=F_REF_Offs + deltaF_Global(N_REF-NREF_REF_Offs)
-  nrarfcn =  (((dl_CarrierFreq_by_1k - nr_bandtable[i].dl_min)/deltaFglobal)+nr_bandtable[i].N_OFFs_DL);
+  nrarfcn =  (((dl_CarrierFreq_by_1k - F_REF_Offs_khz)/deltaFglobal)+N_REF_Offs);
 
   delta_arfcn = nrarfcn - nr_bandtable[i].N_OFFs_DL;
   if(delta_arfcn%(nr_bandtable[i].step_size)!=0)
@@ -1759,13 +1769,21 @@ uint64_t from_nrarfcn(int nr_bandP,
 {
   int i;
   int deltaFglobal = 5;
+  uint32_t N_REF_Offs = 0;
+  uint64_t F_REF_Offs_khz = 0;
   int scs_khz = 15<<scs_index;
   uint32_t delta_arfcn;
 
-  if (dl_nrarfcn > 599999 && dl_nrarfcn < 2016667)
-    deltaFglobal = 15; 
-  if (dl_nrarfcn > 2016666 && dl_nrarfcn < 3279166)
+  if (dl_nrarfcn > 599999 && dl_nrarfcn < 2016667) {
+    deltaFglobal = 15;
+    N_REF_Offs = 600000;
+    F_REF_Offs_khz = 3000000;
+  }
+  if (dl_nrarfcn > 2016666 && dl_nrarfcn < 3279166) {
     deltaFglobal = 60; 
+    N_REF_Offs = 2016667;
+    F_REF_Offs_khz = 24250080;
+  }
   
   AssertFatal(nr_bandP <= 261, "nr_band %d > 260\n", nr_bandP);
   for (i = 0; i < NR_BANDTABLE_SIZE && nr_bandtable[i].band != nr_bandP; i++);
@@ -1779,14 +1797,11 @@ uint64_t from_nrarfcn(int nr_bandP,
   if(delta_arfcn%(nr_bandtable[i].step_size)!=0)
     AssertFatal(1==0,"dl_nrarfcn %u is not on the raster for step size %lu",dl_nrarfcn,nr_bandtable[i].step_size);
 
-  LOG_I(PHY,"Computing dl_frequency (pointA %llu => %llu (dlmin %llu, nr_bandtable[%d].N_OFFs_DL %llu))\n",
+  LOG_I(PHY,"Computing dl_frequency (arfcn %llu => %llu)\n",
 	(unsigned long long)dl_nrarfcn,
-	(unsigned long long)(1000*(nr_bandtable[i].dl_min + (dl_nrarfcn - nr_bandtable[i].N_OFFs_DL) * deltaFglobal)),
-	(unsigned long long)nr_bandtable[i].dl_min,
-	i,
-	(unsigned long long)nr_bandtable[i].N_OFFs_DL); 
+	(unsigned long long)(1000*(F_REF_Offs_khz + (dl_nrarfcn - N_REF_Offs) * deltaFglobal)));
 
-  return 1000*(nr_bandtable[i].dl_min + (dl_nrarfcn - nr_bandtable[i].N_OFFs_DL) * deltaFglobal);
+  return 1000*(F_REF_Offs_khz + (dl_nrarfcn - N_REF_Offs) * deltaFglobal);
 }
 
 

openair2/LAYER2/NR_MAC_gNB/config.c

@@ -128,7 +128,7 @@ void config_common(int Mod_idP, int pdsch_AntennaPorts, NR_ServingCellConfigComm
   uint16_t band;
   int32_t offset;
 
-  get_band((uint64_t)(cfg->carrier_config.dl_frequency.value)*1000,
+  get_band(((uint64_t)cfg->carrier_config.dl_frequency.value)*1000,
            &band,
            &offset,
            &frame_type);

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c

@@ -403,6 +403,8 @@ void gNB_dlsch_ulsch_scheduler(module_id_t module_idP,
   protocol_ctxt_t   ctxt;
   PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, module_idP, ENB_FLAG_YES, NOT_A_RNTI, frame, slot,module_idP);
  
+  int nb_periods_per_frame;
+
   const int UE_id = 0;
   const int bwp_id = 1;
 
@@ -411,9 +413,47 @@ void gNB_dlsch_ulsch_scheduler(module_id_t module_idP,
   NR_UE_sched_ctrl_t *ue_sched_ctl = &UE_info->UE_sched_ctrl[UE_id];
   NR_COMMON_channels_t *cc = gNB->common_channels;
   NR_ServingCellConfigCommon_t        *scc     = cc->ServingCellConfigCommon;
-
   NR_TDD_UL_DL_Pattern_t *tdd_pattern = &scc->tdd_UL_DL_ConfigurationCommon->pattern1;
-  const int num_slots_per_tdd = slots_per_frame[*scc->ssbSubcarrierSpacing] >> (7 - tdd_pattern->dl_UL_TransmissionPeriodicity);
+
+  switch(scc->tdd_UL_DL_ConfigurationCommon->pattern1.dl_UL_TransmissionPeriodicity) {
+    case 0:
+      nb_periods_per_frame = 20; // 10ms/0p5ms
+      break;
+
+    case 1:
+      nb_periods_per_frame = 16; // 10ms/0p625ms
+      break;
+
+    case 2:
+      nb_periods_per_frame = 10; // 10ms/1ms
+      break;
+
+    case 3:
+      nb_periods_per_frame = 8; // 10ms/1p25ms
+      break;
+
+    case 4:
+      nb_periods_per_frame = 5; // 10ms/2ms
+      break;
+
+    case 5:
+      nb_periods_per_frame = 4; // 10ms/2p5ms
+      break;
+
+    case 6:
+      nb_periods_per_frame = 2; // 10ms/5ms
+      break;
+
+    case 7:
+      nb_periods_per_frame = 1; // 10ms/10ms
+      break;
+
+    default:
+      AssertFatal(1==0,"Undefined tdd period %d\n", scc->tdd_UL_DL_ConfigurationCommon->pattern1.dl_UL_TransmissionPeriodicity);
+  }
+
+  int num_slots_per_tdd = (slots_per_frame[*scc->ssbSubcarrierSpacing])/nb_periods_per_frame;
+
   const int nr_ulmix_slots = tdd_pattern->nrofUplinkSlots + (tdd_pattern->nrofUplinkSymbols!=0);
 
   start_meas(&RC.nrmac[module_idP]->eNB_scheduler);

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c

@@ -619,7 +619,7 @@ void schedule_fapi_ul_pdu(int Mod_idP,
       pusch_pdu->resource_alloc = 1; //type 1
       pusch_pdu->rb_start = 0;
       if (get_softmodem_params()->phy_test==1)
-        pusch_pdu->rb_size = 50;
+        pusch_pdu->rb_size = min(pusch_pdu->bwp_size,50);
       else
         pusch_pdu->rb_size = pusch_pdu->bwp_size;
     }

openair2/RRC/LTE/rrc_eNB.c

@@ -3295,7 +3295,10 @@ void rrc_eNB_generate_defaultRRCConnectionReconfiguration(const protocol_ctxt_t
     MeasObj2->measObject.choice.measObjectNR_r15.rs_ConfigSSB_r15.measTimingConfig_r15.periodicityAndOffset_r15.present = LTE_MTC_SSB_NR_r15__periodicityAndOffset_r15_PR_sf20_r15;
     MeasObj2->measObject.choice.measObjectNR_r15.rs_ConfigSSB_r15.measTimingConfig_r15.periodicityAndOffset_r15.choice.sf20_r15 = 0;
     MeasObj2->measObject.choice.measObjectNR_r15.rs_ConfigSSB_r15.measTimingConfig_r15.ssb_Duration_r15 = LTE_MTC_SSB_NR_r15__ssb_Duration_r15_sf4;
-    MeasObj2->measObject.choice.measObjectNR_r15.rs_ConfigSSB_r15.subcarrierSpacingSSB_r15 = LTE_RS_ConfigSSB_NR_r15__subcarrierSpacingSSB_r15_kHz30;
+    if (rrc_inst->nr_scg_ssb_freq > 2016666) //FR2
+      MeasObj2->measObject.choice.measObjectNR_r15.rs_ConfigSSB_r15.subcarrierSpacingSSB_r15 = LTE_RS_ConfigSSB_NR_r15__subcarrierSpacingSSB_r15_kHz120;
+    else
+      MeasObj2->measObject.choice.measObjectNR_r15.rs_ConfigSSB_r15.subcarrierSpacingSSB_r15 = LTE_RS_ConfigSSB_NR_r15__subcarrierSpacingSSB_r15_kHz30;      
     MeasObj2->measObject.choice.measObjectNR_r15.quantityConfigSet_r15 = 1;
     MeasObj2->measObject.choice.measObjectNR_r15.ext1 = calloc(1, sizeof(struct LTE_MeasObjectNR_r15__ext1));
 
@@ -3306,7 +3309,11 @@ void rrc_eNB_generate_defaultRRCConnectionReconfiguration(const protocol_ctxt_t
     if (MeasObj2->measObject.choice.measObjectNR_r15.ext1->bandNR_r15 == NULL) exit(1);
 
     MeasObj2->measObject.choice.measObjectNR_r15.ext1->bandNR_r15->present = LTE_MeasObjectNR_r15__ext1__bandNR_r15_PR_setup;
-    MeasObj2->measObject.choice.measObjectNR_r15.ext1->bandNR_r15->choice.setup = 78;
+    if (rrc_inst->nr_scg_ssb_freq > 2016666) //FR2
+      MeasObj2->measObject.choice.measObjectNR_r15.ext1->bandNR_r15->choice.setup = 261;
+    else 
+      MeasObj2->measObject.choice.measObjectNR_r15.ext1->bandNR_r15->choice.setup = 78;
+
     ASN_SEQUENCE_ADD(&MeasObj_list->list, MeasObj2);
   }
 
@@ -4020,7 +4027,6 @@ flexran_rrc_eNB_generate_defaultRRCConnectionReconfiguration(const protocol_ctxt
   MeasObj->measObject.choice.measObjectEUTRA.neighCellConfig.buf[0] = 0;
   MeasObj->measObject.choice.measObjectEUTRA.neighCellConfig.size = 1;
   MeasObj->measObject.choice.measObjectEUTRA.neighCellConfig.bits_unused = 6;
-  //<<<<<<< HEAD
   MeasObj->measObject.choice.measObjectEUTRA.offsetFreq = NULL;   // Default is 15 or 0dB
 
   if (rrc_inst->carrier[0].sib1->tdd_Config!=NULL) {
@@ -4635,6 +4641,7 @@ rrc_eNB_process_MeasurementReport(
 
       case 7:
         LOG_D(RRC, "NR event frame %d subframe %d\n", ctxt_pP->frame, ctxt_pP->subframe);
+        printf("NR event frame %d subframe %d\n", ctxt_pP->frame, ctxt_pP->subframe);
         break;
 
       default:

targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp

@@ -69,7 +69,7 @@
 /** @addtogroup _USRP_PHY_RF_INTERFACE_
  * @{
  */
-
+int gpio789=0;
 extern int usrp_tx_thread;
 
 
@@ -692,6 +692,12 @@ static int trx_usrp_read(openair0_device *device, openair0_timestamp *ptimestamp
   s->rx_timestamp = s->rx_md.time_spec.to_ticks(s->sample_rate);
   *ptimestamp = s->rx_timestamp;
 
+  // push GPIO bits 7-9 from flags_msb
+   /*s->usrp->set_command_time(uhd::time_spec_t::from_ticks((s->rx_timestamp+(2*nsamps)),s->sample_rate));
+   s->usrp->set_gpio_attr("FP0", "OUT", gpio789<<7, 0x380);
+   s->usrp->clear_command_time();
+   gpio789 = (gpio789+1)&7;*/
+
   if (device->recplay_state != NULL) { // record mode
     // Copy subframes to memory (later dump on a file)
     if (device->recplay_state->nb_samples < device->openair0_cfg->recplay_conf->u_sf_max) {

targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band257.tm1.32PRB.usrpx300.conf

@@ -170,11 +170,11 @@ gNBs =
       # pattern1 
       # dl_UL_TransmissionPeriodicity
       # 0=ms0p5, 1=ms0p625, 2=ms1, 3=ms1p25, 4=ms2, 5=ms2p5, 6=ms5, 7=ms10
-      dl_UL_TransmissionPeriodicity                                 = 5;
-      nrofDownlinkSlots                                             = 10;
-      nrofDownlinkSymbols                                           = 0;
-      nrofUplinkSlots                                               = 10;
-      nrofUplinkSymbols                                             = 0;
+      dl_UL_TransmissionPeriodicity                                 = 3;
+      nrofDownlinkSlots                                             = 7;
+      nrofDownlinkSymbols                                           = 6;
+      nrofUplinkSlots                                               = 2;
+      nrofUplinkSymbols                                             = 4;
 
   ssPBCH_BlockPower                                             = 10;
   }
@@ -238,7 +238,9 @@ RUs = (
          max_rxgain                    = 75;
          eNB_instances  = [0];
 	 sdr_addrs = "addr=192.168.10.2,second_addr=192.168.20.2";
-         if_freq = 5300000000;
+         if_freq = 5300000000L;
+         #time_source = "external";
+         clock_source = "external";
     }
 );  
 

targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band261.tm1.32PRB.usrpn300.conf

@@ -13,7 +13,7 @@ gNBs =
     gNB_name  =  "gNB-Eurecom-5GNRBox";
 
     // Tracking area code, 0x0000 and 0xfffe are reserved values
-    tracking_area_code  =  600;
+    tracking_area_code  =  1;
 
     plmn_list = ({mcc = 311; mnc = 480; mnc_length = 3;});	 
 
@@ -23,6 +23,8 @@ gNBs =
 
     ssb_SubcarrierOffset                                      = 0;
     pdsch_AntennaPorts                                        = 1;
+    pusch_TargetSNRx10                                        = 200;
+    pucch_TargetSNRx10                                        = 200;
 	
     servingCellConfigCommon = (
     {
@@ -71,6 +73,11 @@ gNBs =
              initialDLBWPmappingType_2           = 0;
              #this is SS=1,L=12 
              initialDLBWPstartSymbolAndLength_2  = 54;
+
+             initialDLBWPk0_3                    = 0;
+             initialDLBWPmappingType_3           = 0;
+             #this is SS=1,L=4 //5 (4 is for 43, 5 is for 57)
+             initialDLBWPstartSymbolAndLength_3  = 57; //43; //57;
   #uplinkConfigCommon 
      #frequencyInfoUL
       ul_frequencyBand                                                 = 261;
@@ -89,7 +96,7 @@ gNBs =
         initialULBWPsubcarrierSpacing                                           = 3;
       #rach-ConfigCommon
         #rach-ConfigGeneric
-          prach_ConfigurationIndex                                  = 98;
+          prach_ConfigurationIndex                                  = 52;
 #prach_msg1_FDM
 #0 = one, 1=two, 2=four, 3=eight
           prach_msg1_FDM                                            = 0;
@@ -103,12 +110,12 @@ gNBs =
         powerRampingStep                                            = 1;
 #ra_ReponseWindow
 #1,2,4,8,10,20,40,80
-        ra_ResponseWindow                                           = 4;
+        ra_ResponseWindow                                           = 7;
 #ssb_perRACH_OccasionAndCB_PreamblesPerSSB_PR
 #0=oneeighth,1=onefourth,2=half,3=one,4=two,5=four,6=eight,7=sixteen
-        ssb_perRACH_OccasionAndCB_PreamblesPerSSB_PR                = 3;
+        ssb_perRACH_OccasionAndCB_PreamblesPerSSB_PR                = 4;
 #oneHalf (0..15) 4,8,12,16,...60,64
-        ssb_perRACH_OccasionAndCB_PreamblesPerSSB                   = 15;
+        ssb_perRACH_OccasionAndCB_PreamblesPerSSB                   = 7;
 #ra_ContentionResolutionTimer
 #(0..7) 8,16,24,32,40,48,56,64
         ra_ContentionResolutionTimer                                = 7;
@@ -119,7 +126,7 @@ gNBs =
         prach_RootSequenceIndex                                     = 1;
         # SCS for msg1, can only be 15 for 30 kHz < 6 GHz, takes precendence over the one derived from prach-ConfigIndex
         #  
-        msg1_SubcarrierSpacing                                      = 1,
+        msg1_SubcarrierSpacing                                      = 3,
 
 # restrictedSetConfig
 # 0=unrestricted, 1=restricted type A, 2=restricted type B
@@ -135,6 +142,10 @@ gNBs =
         # this is SS=0 L=12
         initialULBWPstartSymbolAndLength_1    = 69;
 
+        initialULBWPk2_2                      = 7;
+        initialULBWPmappingType_2             = 1;
+        # this is SS=10 L=4
+        initialULBWPstartSymbolAndLength_2    = 52;
 
         msg3_DeltaPreamble                                          = 1;
         p0_NominalWithGrant                                         =-90;
@@ -148,7 +159,7 @@ gNBs =
 # ssb_PositionsInBurs_BitmapPR
 # 1=short, 2=medium, 3=long
       ssb_PositionsInBurst_PR                                       = 3;
-      ssb_PositionsInBurst_Bitmap                                   = 0x100000001L;
+      ssb_PositionsInBurst_Bitmap                                   = 0x0001000100010001L;
 
 # ssb_periodicityServingCell
 # 0 = ms5, 1=ms10, 2=ms20, 3=ms40, 4=ms80, 5=ms160, 6=spare2, 7=spare1 
@@ -170,11 +181,11 @@ gNBs =
       # pattern1 
       # dl_UL_TransmissionPeriodicity
       # 0=ms0p5, 1=ms0p625, 2=ms1, 3=ms1p25, 4=ms2, 5=ms2p5, 6=ms5, 7=ms10
-      dl_UL_TransmissionPeriodicity                                 = 5;
-      nrofDownlinkSlots                                             = 10;
-      nrofDownlinkSymbols                                           = 0;
-      nrofUplinkSlots                                               = 10;
-      nrofUplinkSymbols                                             = 0;
+      dl_UL_TransmissionPeriodicity                                 = 3;
+      nrofDownlinkSlots                                             = 7;
+      nrofDownlinkSymbols                                           = 6;
+      nrofUplinkSlots                                               = 2;
+      nrofUplinkSymbols                                             = 4;
 
   ssPBCH_BlockPower                                             = 10;
   }
@@ -192,21 +203,36 @@ gNBs =
 
 
     ////////// MME parameters:
-    mme_ip_address      = ( { ipv4       = "192.168.12.26";
+    mme_ip_address      = ( { ipv4       = "192.168.18.99";
                               ipv6       = "192:168:30::17";
                               active     = "yes";
                               preference = "ipv4";
                             }
                           );
 
+    ///X2
+    enable_x2 = "yes";
+    t_reloc_prep      = 1000;      /* unit: millisecond */
+    tx2_reloc_overall = 2000;      /* unit: millisecond */
+    t_dc_prep         = 1000;      /* unit: millisecond */
+    t_dc_overall      = 2000;      /* unit: millisecond */
+    target_enb_x2_ip_address      = (
+                                     { ipv4       = "192.168.18.199";
+                                       ipv6       = "192:168:30::17";
+                                       preference = "ipv4";
+                                     }
+                                    );
+
     NETWORK_INTERFACES :
     {
 
         GNB_INTERFACE_NAME_FOR_S1_MME            = "eth0";
-        GNB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.12.111/24";
+        GNB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.18.198/24";
         GNB_INTERFACE_NAME_FOR_S1U               = "eth0";
-        GNB_IPV4_ADDRESS_FOR_S1U                 = "192.168.12.111/24";
+        GNB_IPV4_ADDRESS_FOR_S1U                 = "192.168.18.198/24";
         GNB_PORT_FOR_S1U                         = 2152; # Spec 2152
+        GNB_IPV4_ADDRESS_FOR_X2C                 = "192.168.18.198/24";
+        GNB_PORT_FOR_X2C                         = 36422; # Spec 36422
     };
   }
 );
@@ -239,6 +265,8 @@ RUs = (
          eNB_instances  = [0];
 	 sdr_addrs = "addr=192.168.10.2,second_addr=192.168.20.2";
          if_freq = 5124520000L;
+	 clock_src = "external";
+	 time_src = "external";
     }
 );