Support for NR-PRACH with High Speed

openair1/PHY/NR_TRANSPORT/nr_transport_common_proto.h

@@ -73,6 +73,8 @@ void compute_nr_prach_seq(uint8_t short_sequence,
                           uint8_t rootSequenceIndex,
                           uint32_t X_u[64][839]);
 
+void nr_fill_du(uint16_t N_ZC,uint16_t *prach_root_sequence_map);
+
 void init_nr_prach_tables(int N_ZC);
 
 /**@}*/

openair1/PHY/NR_UE_TRANSPORT/nr_prach.c

@@ -130,6 +130,7 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){
     #endif
 
     not_found = 1;
+    nr_fill_du(N_ZC,prach_root_sequence_map);
     preamble_index0 = preamble_index;
     // set preamble_offset to initial rootSequenceIndex and look if we need more root sequences for this
     // preamble index and find the corresponding cyclic shift