Removing DMRS parameters from "nr_ulsch_encoding"

openair1/PHY/NR_TRANSPORT/nr_transport_proto_common.h

@@ -1051,10 +1051,6 @@ uint32_t  nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
                          uint8_t is_crnti,
                          uint8_t llr8_flag);
 
-int nr_ulsch_encoding(NR_UE_ULSCH_t *ulsch,
-                     NR_DL_FRAME_PARMS* frame_parms,
-                     uint8_t harq_pid);
-
 /*! \brief Perform PUSCH scrambling. TS 38.211 V15.4.0 subclause 6.3.1.1
   @param[in] in Pointer to input bits
   @param[in] size of input bits

openair1/PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h

@@ -1053,7 +1053,8 @@ uint32_t  nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
 
 int nr_ulsch_encoding(NR_UE_ULSCH_t *ulsch,
                      NR_DL_FRAME_PARMS* frame_parms,
-                     uint8_t harq_pid);
+                     uint8_t harq_pid,
+                     unsigned int G);
 
 /*! \brief Perform PUSCH scrambling. TS 38.211 V15.4.0 subclause 6.3.1.1
   @param[in] in, Pointer to input bits

openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_coding.c

@@ -217,12 +217,13 @@ NR_UE_ULSCH_t *new_nr_ue_ulsch(uint16_t N_RB_UL,
 
 int nr_ulsch_encoding(NR_UE_ULSCH_t *ulsch,
                       NR_DL_FRAME_PARMS* frame_parms,
-                      uint8_t harq_pid)
+                      uint8_t harq_pid,
+                      unsigned int G)
 {
 /////////////////////////parameters and variables declaration/////////////////////////
 ///////////
 
-  unsigned int G,crc;
+  unsigned int crc;
   NR_UL_UE_HARQ_t *harq_process; 
   uint16_t nb_rb ;
   uint8_t nb_symb_sch ;
@@ -235,8 +236,6 @@ int nr_ulsch_encoding(NR_UE_ULSCH_t *ulsch,
   uint32_t E,Kb;
   uint8_t Ilbrm; 
   uint32_t Tbslbrm; 
-  uint8_t nb_re_dmrs; 
-  uint16_t length_dmrs;
   uint16_t R;
   float Coderate;
 
@@ -250,7 +249,6 @@ int nr_ulsch_encoding(NR_UE_ULSCH_t *ulsch,
   crc = 1;
   harq_process = ulsch->harq_processes[harq_pid];
   nb_rb = harq_process->nb_rb;
-  nb_symb_sch = harq_process->number_of_symbols;
   A = harq_process->TBS;
   pz = &Z;
   mod_order = nr_get_Qm_ul(harq_process->mcs,0);
@@ -261,8 +259,6 @@ int nr_ulsch_encoding(NR_UE_ULSCH_t *ulsch,
   F=0;
   Ilbrm = 0;
   Tbslbrm = 950984; //max tbs
-  nb_re_dmrs = ulsch->nb_re_dmrs;
-  length_dmrs = ulsch->length_dmrs;
   Coderate = 0.0;
 
 ///////////
@@ -271,10 +267,7 @@ int nr_ulsch_encoding(NR_UE_ULSCH_t *ulsch,
 
   VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_ENB_DLSCH_ENCODING, VCD_FUNCTION_IN);
 
-  LOG_D(PHY,"ulsch coding nb_rb %d nb_symb_sch %d nb_re_dmrs %d, length_dmrs %d, harq_process->Nl = %d\n", nb_rb,nb_symb_sch, nb_re_dmrs,length_dmrs, harq_process->Nl);
-
-
-  G = nr_get_G(nb_rb, nb_symb_sch, nb_re_dmrs, length_dmrs,mod_order,harq_process->Nl);
+  LOG_D(PHY,"ulsch coding nb_rb %d, Nl = %d\n", nb_rb, harq_process->Nl);
   LOG_D(PHY,"ulsch coding A %d G %d mod_order %d\n", A,G, mod_order);
 
   //  if (harq_process->Ndi == 1) {  // this is a new packet

openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c

@@ -152,7 +152,7 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE,
     ulsch_ue->Nid_cell    = Nid_cell;
     ulsch_ue->nb_re_dmrs  = ((UE->pusch_config.dmrs_UplinkConfig.pusch_dmrs_type == pusch_dmrs_type1)?6:4);
 
-    N_RE_prime = NR_NB_SC_PER_RB*harq_process_ul_ue->number_of_symbols - ulsch_ue->nb_re_dmrs*number_dmrs_symbols - N_PRB_oh;
+    N_RE_prime = NR_NB_SC_PER_RB*harq_process_ul_ue->number_of_symbols - ulsch_ue->nb_re_dmrs*ulsch_ue->length_dmrs - N_PRB_oh;
 
     harq_process_ul_ue->num_of_mod_symbols = N_RE_prime*harq_process_ul_ue->nb_rb*num_of_codewords;
 
@@ -217,8 +217,10 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE,
     /////////////////////////ULSCH coding/////////////////////////
     ///////////
 
+    unsigned int G = nr_get_G(harq_process_ul_ue->nb_rb, harq_process_ul_ue->number_of_symbols,
+                              ulsch_ue->nb_re_dmrs, ulsch_ue->length_dmrs, mod_order, harq_process_ul_ue->Nl);
 
-    nr_ulsch_encoding(ulsch_ue, frame_parms, harq_pid);
+    nr_ulsch_encoding(ulsch_ue, frame_parms, harq_pid, G);
 
     ///////////
     ////////////////////////////////////////////////////////////////////
@@ -226,8 +228,6 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE,
     /////////////////////////ULSCH scrambling/////////////////////////
     ///////////
 
-    mod_order      = nr_get_Qm_ul(harq_process_ul_ue->mcs, 0);
-
     available_bits = nr_get_G(harq_process_ul_ue->nb_rb,
                               harq_process_ul_ue->number_of_symbols,
                               ulsch_ue->nb_re_dmrs,

openair1/SIMULATION/NR_PHY/ulschsim.c

@@ -461,9 +461,10 @@ int main(int argc, char **argv)
 
   /////////////////////////ULSCH coding/////////////////////////
   ///////////
+  unsigned int G = nr_get_G(nb_rb, nb_symb_sch, nb_re_dmrs, length_dmrs, mod_order, Nl);
 
   if (input_fd == NULL) {
-    nr_ulsch_encoding(ulsch_ue, frame_parms, harq_pid);
+    nr_ulsch_encoding(ulsch_ue, frame_parms, harq_pid, G);
   }
   
   printf("\n");