Remove hard code in nr_pdsch_channel_estimation

openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c

@@ -657,6 +657,7 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
 int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
                                 UE_nr_rxtx_proc_t *proc,
                                 uint8_t eNB_offset,
+                                bool is_SI,
                                 unsigned char Ns,
                                 unsigned short p,
                                 unsigned char symbol,
@@ -694,7 +695,10 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
 #endif
 
   // generate pilot for gNB port number 1000+p
-  uint16_t rb_offset = (bwp_start_subcarrier - ue->frame_parms.first_carrier_offset) / 12 - BWPStart;
+  uint16_t rb_offset = (bwp_start_subcarrier - ue->frame_parms.first_carrier_offset) / 12;
+  if (is_SI) {
+    rb_offset -= BWPStart;
+  }
   uint8_t config_type = ue->dmrs_DownlinkConfig.pdsch_dmrs_type;
   int8_t delta = get_delta(p, config_type);
 

openair1/PHY/NR_UE_ESTIMATION/nr_estimation.h

@@ -70,6 +70,7 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
 int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
                                 UE_nr_rxtx_proc_t *proc,
                                 uint8_t eNB_offset,
+                                bool is_SI,
                                 unsigned char Ns,
                                 unsigned short p,
                                 unsigned char symbol,

openair1/SCHED_NR_UE/phy_procedures_nr_ue.c

@@ -775,6 +775,7 @@ int nr_ue_pdsch_procedures(PHY_VARS_NR_UE *ue, UE_nr_rxtx_proc_t *proc, int eNB_
     uint16_t pdsch_nb_rb    = dlsch0_harq->nb_rb;
     uint16_t s0             = dlsch0_harq->start_symbol;
     uint16_t s1             = dlsch0_harq->nb_symbols;
+    bool is_SI              = dlsch0->rnti_type == _SI_RNTI_;
 
     LOG_D(PHY,"[UE %d] PDSCH type %d active in nr_slot_rx %d, harq_pid %d (%d), rb_start %d, nb_rb %d, symbol_start %d, nb_symbols %d, DMRS mask %x\n",ue->Mod_id,pdsch,nr_slot_rx,harq_pid,dlsch0->harq_processes[harq_pid]->status,pdsch_start_rb,pdsch_nb_rb,s0,s1,dlsch0->harq_processes[harq_pid]->dlDmrsSymbPos);
 
@@ -784,6 +785,7 @@ int nr_ue_pdsch_procedures(PHY_VARS_NR_UE *ue, UE_nr_rxtx_proc_t *proc, int eNB_
           nr_pdsch_channel_estimation(ue,
                                       proc,
                                       0 /*eNB_id*/,
+                                      is_SI,
                                       nr_slot_rx,
                                       aatx /*p*/,
                                       m,