bugfix for pusch

openair1/PHY/INIT/nr_init_ue.c

@@ -242,10 +242,10 @@ int init_nr_ue_signal(PHY_VARS_NR_UE *ue, int nb_connected_gNB)
     AssertFatal(pusch_dmrs[slot]!=NULL, "init_nr_ue_signal: pusch_dmrs for slot %d - malloc failed\n", slot);
 
     for (symb=0; symb<fp->symbols_per_slot; symb++) {
-      pusch_dmrs[slot][symb] = (uint32_t **)malloc16(NR_MAX_NB_CODEWORDS*sizeof(uint32_t *));
+      pusch_dmrs[slot][symb] = (uint32_t **)malloc16(2*sizeof(uint32_t *));
       AssertFatal(pusch_dmrs[slot][symb]!=NULL, "init_nr_ue_signal: pusch_dmrs for slot %d symbol %d - malloc failed\n", slot, symb);
 
-      for (q=0; q<NR_MAX_NB_CODEWORDS; q++) {
+      for (q=0; q<2; q++) {
         pusch_dmrs[slot][symb][q] = (uint32_t *)malloc16(NR_MAX_PDSCH_DMRS_INIT_LENGTH_DWORD*sizeof(uint32_t));
         AssertFatal(pusch_dmrs[slot][symb][q]!=NULL, "init_nr_ue_signal: pusch_dmrs for slot %d symbol %d codeword %d - malloc failed\n", slot, symb, q);
       }

openair1/PHY/NR_REFSIG/nr_gold_ue.c

@@ -107,7 +107,7 @@ void nr_init_pusch_dmrs(PHY_VARS_NR_UE* ue,
                         uint8_t n_scid)
 {
   uint32_t x1, x2, n;
-  uint8_t reset, slot, symb, q;
+  uint8_t reset, slot, symb;
   NR_DL_FRAME_PARMS *fp = &ue->frame_parms;
   uint32_t ****pusch_dmrs = ue->nr_gold_pusch_dmrs;
 
@@ -119,12 +119,10 @@ void nr_init_pusch_dmrs(PHY_VARS_NR_UE* ue,
       x2 = ((1<<17) * (fp->symbols_per_slot*slot+symb+1) * ((N_n_scid<<1)+1) +((N_n_scid<<1)+n_scid));
       LOG_D(PHY,"DMRS slot %d, symb %d x2 %x\n",slot,symb,x2);
       for (n=0; n<NR_MAX_PUSCH_DMRS_INIT_LENGTH_DWORD; n++) {
-        pusch_dmrs[slot][symb][0][n] = lte_gold_generic(&x1, &x2, reset);
+        pusch_dmrs[slot][symb][n_scid][n] = lte_gold_generic(&x1, &x2, reset);
         reset = 0;
-      }
 
-      for (q = 1; q < NR_MAX_NB_CODEWORDS; q++)
-        memcpy(pusch_dmrs[slot][symb][q],pusch_dmrs[slot][symb][0],sizeof(uint32_t)*NR_MAX_PUSCH_DMRS_INIT_LENGTH_DWORD);
+      }
     }
   }
 }

openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c

@@ -395,7 +395,7 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE,
           // TODO: performance improvement, we can skip the modulation of DMRS symbols outside the bandwidth part
           // Perform this on gold sequence, not required when SC FDMA operation is done,
           LOG_D(PHY,"DMRS in symbol %d\n",l);
-          nr_modulation(pusch_dmrs[l][0], n_dmrs*2, DMRS_MOD_ORDER, mod_dmrs); // currently only codeword 0 is modulated. Qm = 2 as DMRS is QPSK modulated
+          nr_modulation(pusch_dmrs[l][pusch_pdu->scid], n_dmrs*2, DMRS_MOD_ORDER, mod_dmrs); // currently only codeword 0 is modulated. Qm = 2 as DMRS is QPSK modulated
 
         } else {
           dmrs_idx = 0;
@@ -408,7 +408,7 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE,
 
         if(is_ptrs_symbol(l, ulsch_ue->ptrs_symbols)) {
           is_ptrs_sym = 1;
-          nr_modulation(pusch_dmrs[l][0], nb_rb, DMRS_MOD_ORDER, mod_ptrs);
+          nr_modulation(pusch_dmrs[l][pusch_pdu->scid], nb_rb, DMRS_MOD_ORDER, mod_ptrs);
         }
       }