diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
index 75b00ea6ba..1dbd268a04 100644
--- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
+++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
@@ -744,18 +744,16 @@ void nr_schedule_ulsch(module_id_t module_id,
 
     /* PUSCH PTRS */
     if (ps->NR_DMRS_UplinkConfig->phaseTrackingRS != NULL) {
-      // TODO to be fixed from RRC config
-      uint8_t ptrs_mcs1 = 2;  // higher layer parameter in PTRS-UplinkConfig
-      uint8_t ptrs_mcs2 = 4;  // higher layer parameter in PTRS-UplinkConfig
-      uint8_t ptrs_mcs3 = 10; // higher layer parameter in PTRS-UplinkConfig
-      uint16_t n_rb0 = 25;    // higher layer parameter in PTRS-UplinkConfig
-      uint16_t n_rb1 = 75;    // higher layer parameter in PTRS-UplinkConfig
-      pusch_pdu->pusch_ptrs.ptrs_time_density = get_L_ptrs(ptrs_mcs1, ptrs_mcs2, ptrs_mcs3, pusch_pdu->mcs_index, pusch_pdu->mcs_table);
-      pusch_pdu->pusch_ptrs.ptrs_freq_density = get_K_ptrs(n_rb0, n_rb1, pusch_pdu->rb_size);
+      bool valid_ptrs_setup = false;
       pusch_pdu->pusch_ptrs.ptrs_ports_list   = (nfapi_nr_ptrs_ports_t *) malloc(2*sizeof(nfapi_nr_ptrs_ports_t));
-      pusch_pdu->pusch_ptrs.ptrs_ports_list[0].ptrs_re_offset = 0;
-
-      pusch_pdu->pdu_bit_map |= PUSCH_PDU_BITMAP_PUSCH_PTRS; // enable PUSCH PTRS
+      valid_ptrs_setup = set_ul_ptrs_values(ps->NR_DMRS_UplinkConfig->phaseTrackingRS->choice.setup,
+                                            pusch_pdu->rb_size, pusch_pdu->mcs_index, pusch_pdu->mcs_table,
+                                            &pusch_pdu->pusch_ptrs.ptrs_freq_density,&pusch_pdu->pusch_ptrs.ptrs_time_density,
+                                            &pusch_pdu->pusch_ptrs.ptrs_ports_list->ptrs_re_offset,&pusch_pdu->pusch_ptrs.num_ptrs_ports,
+                                            &pusch_pdu->pusch_ptrs.ul_ptrs_power, pusch_pdu->nr_of_symbols);
+      if (valid_ptrs_setup==true) {
+        pusch_pdu->pdu_bit_map |= PUSCH_PDU_BITMAP_PUSCH_PTRS; // enable PUSCH PTRS
+      }
     }
     else{
       pusch_pdu->pdu_bit_map &= ~PUSCH_PDU_BITMAP_PUSCH_PTRS; // disable PUSCH PTRS