dmrs gold sequence bug fix

openair1/PHY/INIT/nr_init.c

@@ -90,7 +90,6 @@ int phy_init_nr_gNB(PHY_VARS_gNB *gNB,
   LTE_eNB_PUSCH** const pusch_vars   = gNB->pusch_vars;
   LTE_eNB_SRS* const srs_vars        = gNB->srs_vars;
   LTE_eNB_PRACH* const prach_vars    = &gNB->prach_vars;
-  uint32_t ***pdcch_dmrs             = gNB->nr_gold_pdcch_dmrs;
 
   int i, UE_id; 
 
@@ -122,7 +121,8 @@ int phy_init_nr_gNB(PHY_VARS_gNB *gNB,
   // Polar encoder init for PBCH
   nr_polar_init(&fp->pbch_polar_params, 1);
   //PDCCH DMRS init
-  pdcch_dmrs = (uint32_t ***)malloc16(fp->slots_per_frame*sizeof(uint32_t**));
+  gNB->nr_gold_pdcch_dmrs = (uint32_t ***)malloc16(fp->slots_per_frame*sizeof(uint32_t**));
+  uint32_t ***pdcch_dmrs             = gNB->nr_gold_pdcch_dmrs;
   AssertFatal(pdcch_dmrs!=NULL, "NR init: pdcch_dmrs malloc failed\n");
   for (int slot=0; slot<fp->slots_per_frame; slot++) {
     pdcch_dmrs[slot] = (uint32_t **)malloc16(fp->symbols_per_slot*sizeof(uint32_t*));

openair1/PHY/NR_REFSIG/nr_gold.c

@@ -28,7 +28,7 @@ void nr_init_pbch_dmrs(PHY_VARS_gNB* gNB)
   unsigned char Lmax, l, n_hf, N_hf;
   nfapi_nr_config_request_t *cfg = &gNB->gNB_config;
   NR_DL_FRAME_PARMS *fp = &gNB->frame_parms;
-  uint8_t reset=1;
+  uint8_t reset;
 
   Nid = cfg->sch_config.physical_cell_id.value;
 
@@ -40,6 +40,7 @@ void nr_init_pbch_dmrs(PHY_VARS_gNB* gNB)
       i_ssb = l & (Lmax-1);
       i_ssb2 = (i_ssb<<2) + n_hf;
 
+      reset = 1;
       x2 = (1<<11) * (i_ssb2 + 1) * ((Nid>>2) + 1) + (1<<6) * (i_ssb2 + 1) + (Nid&3);
 
       for (uint8_t n=0; n<NR_PBCH_DMRS_LENGTH_DWORD; n++) {
@@ -56,13 +57,14 @@ void nr_init_pdcch_dmrs(PHY_VARS_gNB* gNB, uint32_t Nid)
 {
 
   uint32_t x1, x2;
-  uint8_t reset = 1;
+  uint8_t reset;
   NR_DL_FRAME_PARMS *fp = &gNB->frame_parms;
   uint32_t ***pdcch_dmrs = gNB->nr_gold_pdcch_dmrs;
 
-  for (uint8_t slot=0; fp->slots_per_frame; slot++) {
-    for (uint8_t symb=0; fp->symbols_per_slot; symb++) {
+  for (uint8_t slot=0; slot<fp->slots_per_frame; slot++) {
+    for (uint8_t symb=0; symb<fp->symbols_per_slot; symb++) {
 
+      reset = 1;
       x2 = ((1<<17) * (14*slot+symb+1) * ((Nid<<1)+1) + (Nid<<1))&(((uint32_t)1<<31)-1);
 
       for (uint32_t n=0; n<NR_MAX_PDCCH_DMRS_LENGTH_DWORD; n++) {