diff --git a/openair1/SIMULATION/NR_PHY/dlsim.c b/openair1/SIMULATION/NR_PHY/dlsim.c
index b465f47a33..ddab46f8c2 100644
--- a/openair1/SIMULATION/NR_PHY/dlsim.c
+++ b/openair1/SIMULATION/NR_PHY/dlsim.c
@@ -789,7 +789,14 @@ int main(int argc, char **argv)
                     N_RB_DL,g_mcsTableIdx);
 
   // TODO do a UECAP for phy-sim
-  fill_default_secondaryCellGroup(scc, scd, secondaryCellGroup, UE_Capability_nr, 0, 1, n_tx, 6, 0, 0, false, 0);
+  const gNB_RrcConfigurationReq conf = {
+    .pdsch_AntennaPorts = n_tx,
+    .minRXTXTIME = 6,
+    .do_CSIRS = 0,
+    .do_SRS = 0,
+    .force_256qam_off = false
+  };
+  fill_default_secondaryCellGroup(scc, scd, secondaryCellGroup, UE_Capability_nr, 0, 1, &conf, 0);
 
   /* RRC parameter validation for secondaryCellGroup */
   fix_scd(scd);
diff --git a/openair1/SIMULATION/NR_PHY/ulsim.c b/openair1/SIMULATION/NR_PHY/ulsim.c
index 4fc91b3858..cb9e4ffbd8 100644
--- a/openair1/SIMULATION/NR_PHY/ulsim.c
+++ b/openair1/SIMULATION/NR_PHY/ulsim.c
@@ -731,7 +731,14 @@ int main(int argc, char **argv)
   prepare_scd(scd);
 
   // TODO do a UECAP for phy-sim
-  fill_default_secondaryCellGroup(scc, scd, secondaryCellGroup, NULL, 0, 1, n_tx, 0, 0, 0, false, 0);
+  const gNB_RrcConfigurationReq conf = {
+    .pdsch_AntennaPorts = n_tx,
+    .minRXTXTIME = 0,
+    .do_CSIRS = 0,
+    .do_SRS = 0,
+    .force_256qam_off = false
+  };
+  fill_default_secondaryCellGroup(scc, scd, secondaryCellGroup, NULL, 0, 1, &conf, 0);
 
   // xer_fprint(stdout, &asn_DEF_NR_CellGroupConfig, (const void*)secondaryCellGroup);
 
diff --git a/openair2/RRC/NR/nr_rrc_proto.h b/openair2/RRC/NR/nr_rrc_proto.h
index db16d4e00a..f1462fee34 100644
--- a/openair2/RRC/NR/nr_rrc_proto.h
+++ b/openair2/RRC/NR/nr_rrc_proto.h
@@ -79,11 +79,7 @@ void fill_default_secondaryCellGroup(NR_ServingCellConfigCommon_t *servingcellco
                                      NR_UE_NR_Capability_t *uecap,
                                      int scg_id,
                                      int servCellIndex,
-                                     int dl_antenna_ports,
-                                     int minRXTXTIMEpdsch,
-                                     int do_csirs,
-                                     int do_srs,
-                                     bool force_256qam_off,
+                                     const gNB_RrcConfigurationReq *configuration,
                                      int uid);
 
 void config_csirs(NR_ServingCellConfigCommon_t *servingcellconfigcommon,
@@ -97,11 +93,7 @@ void fill_default_reconfig(NR_ServingCellConfigCommon_t *servingcellconfigcommon
                            NR_RRCReconfiguration_IEs_t *reconfig,
                            NR_CellGroupConfig_t *secondaryCellGroup,
                            NR_UE_NR_Capability_t *uecap,
-                           int dl_antenna_ports,
-                           int minRXTXTIMEpdsch,
-                           int do_csirs,
-                           int do_srs,
-                           bool force_256qam_off,
+                           const gNB_RrcConfigurationReq *configuration,
                            int uid);
 
 void fill_default_rbconfig(NR_RadioBearerConfig_t *rbconfig,
diff --git a/openair2/RRC/NR/rrc_gNB_nsa.c b/openair2/RRC/NR/rrc_gNB_nsa.c
index ce858aec94..ea34cdd65a 100644
--- a/openair2/RRC/NR/rrc_gNB_nsa.c
+++ b/openair2/RRC/NR/rrc_gNB_nsa.c
@@ -249,11 +249,7 @@ void rrc_add_nsa_user(gNB_RRC_INST *rrc,struct rrc_gNB_ue_context_s *ue_context_
                         reconfig_ies,
                         ue_context_p->ue_context.secondaryCellGroup,
                         ue_context_p->ue_context.UE_Capability_nr,
-                        configuration->pdsch_AntennaPorts,
-                        configuration->minRXTXTIME,
-                        configuration->do_CSIRS,
-                        configuration->do_SRS,
-                        configuration->force_256qam_off,
+                        configuration,
                         ue_context_p->local_uid);
   ue_context_p->ue_id_rnti = ue_context_p->ue_context.secondaryCellGroup->spCellConfig->reconfigurationWithSync->newUE_Identity;
   NR_CG_Config_t *CG_Config = calloc(1,sizeof(*CG_Config));
diff --git a/openair2/RRC/NR/rrc_gNB_reconfig.c b/openair2/RRC/NR/rrc_gNB_reconfig.c
index 80347bddf5..5e2c8e366d 100644
--- a/openair2/RRC/NR/rrc_gNB_reconfig.c
+++ b/openair2/RRC/NR/rrc_gNB_reconfig.c
@@ -56,12 +56,11 @@ void fill_default_secondaryCellGroup(NR_ServingCellConfigCommon_t *servingcellco
                                      NR_UE_NR_Capability_t *uecap,
                                      int scg_id,
                                      int servCellIndex,
-                                     int dl_antenna_ports,
-                                     int minRXTXTIME,
-                                     int do_csirs,
-                                     int do_srs,
-                                     bool force_256qam_off,
-                                     int uid) {
+                                     const gNB_RrcConfigurationReq *configuration,
+                                     int uid)
+{
+  const int dl_antenna_ports = configuration->pdsch_AntennaPorts;
+  const int do_csirs = configuration->do_CSIRS;
 
   AssertFatal(servingcellconfigcommon!=NULL,"servingcellconfigcommon is null\n");
   AssertFatal(secondaryCellGroup!=NULL,"secondaryCellGroup is null\n");
@@ -606,7 +605,10 @@ void fill_default_secondaryCellGroup(NR_ServingCellConfigCommon_t *servingcellco
  bwp->bwp_Dedicated->pdsch_Config->choice.setup->rateMatchPatternGroup1=NULL;
  bwp->bwp_Dedicated->pdsch_Config->choice.setup->rateMatchPatternGroup2=NULL;
  bwp->bwp_Dedicated->pdsch_Config->choice.setup->rbg_Size=NR_PDSCH_Config__rbg_Size_config1;
- set_dl_mcs_table(bwp->bwp_Common->genericParameters.subcarrierSpacing, force_256qam_off ? NULL : uecap, bwp->bwp_Dedicated, servingcellconfigcommon);
+ set_dl_mcs_table(bwp->bwp_Common->genericParameters.subcarrierSpacing,
+                  configuration->force_256qam_off ? NULL : uecap,
+                  bwp->bwp_Dedicated,
+                  servingcellconfigcommon);
  bwp->bwp_Dedicated->pdsch_Config->choice.setup->maxNrofCodeWordsScheduledByDCI = calloc(1,sizeof(*bwp->bwp_Dedicated->pdsch_Config->choice.setup->maxNrofCodeWordsScheduledByDCI));
  *bwp->bwp_Dedicated->pdsch_Config->choice.setup->maxNrofCodeWordsScheduledByDCI = NR_PDSCH_Config__maxNrofCodeWordsScheduledByDCI_n1;
  bwp->bwp_Dedicated->pdsch_Config->choice.setup->prb_BundlingType.present = NR_PDSCH_Config__prb_BundlingType_PR_staticBundling;
@@ -771,7 +773,7 @@ void fill_default_secondaryCellGroup(NR_ServingCellConfigCommon_t *servingcellco
  ASN_SEQUENCE_ADD(&srs_resset0->srs_ResourceIdList->list,srs_resset0_id);
  srs_Config->srs_ResourceToReleaseList=NULL;
 
-  if(do_srs) {
+  if (configuration->do_SRS) {
     srs_resset0->resourceType.present =  NR_SRS_ResourceSet__resourceType_PR_periodic;
     srs_resset0->resourceType.choice.periodic = calloc(1,sizeof(*srs_resset0->resourceType.choice.periodic));
     srs_resset0->resourceType.choice.periodic->associatedCSI_RS = NULL;
@@ -815,7 +817,7 @@ void fill_default_secondaryCellGroup(NR_ServingCellConfigCommon_t *servingcellco
      srs_res0->freqHopping.b_SRS);
  srs_res0->groupOrSequenceHopping=NR_SRS_Resource__groupOrSequenceHopping_neither;
 
-  if(do_srs) {
+  if (configuration->do_SRS) {
     srs_res0->resourceType.present= NR_SRS_Resource__resourceType_PR_periodic;
     srs_res0->resourceType.choice.periodic=calloc(1,sizeof(*srs_res0->resourceType.choice.periodic));
     srs_res0->resourceType.choice.periodic->periodicityAndOffset_p.present = NR_SRS_PeriodicityAndOffset_PR_sl160;
@@ -936,7 +938,7 @@ void fill_default_secondaryCellGroup(NR_ServingCellConfigCommon_t *servingcellco
  long *delay[8];
  for (int i=0;i<8;i++) {
    delay[i] = calloc(1,sizeof(*delay[i]));
-   *delay[i] = i+minRXTXTIME;
+   *delay[i] = i + configuration->minRXTXTIME;
    ASN_SEQUENCE_ADD(&pucch_Config->dl_DataToUL_ACK->list,delay[i]);
  }
  pucch_Config->spatialRelationInfoToAddModList = calloc(1,sizeof(*pucch_Config->spatialRelationInfoToAddModList));
@@ -1344,11 +1346,7 @@ void fill_default_reconfig(NR_ServingCellConfigCommon_t *servingcellconfigcommon
                            NR_RRCReconfiguration_IEs_t *reconfig,
                            NR_CellGroupConfig_t *secondaryCellGroup,
                            NR_UE_NR_Capability_t *uecap,
-                           int dl_antenna_ports,
-                           int minRXTXTIME,
-                           int do_csirs,
-                           int do_srs,
-                           bool force_256qam_off,
+                           const gNB_RrcConfigurationReq *configuration,
                            int uid) {
   AssertFatal(servingcellconfigcommon!=NULL,"servingcellconfigcommon is null\n");
   AssertFatal(reconfig!=NULL,"reconfig is null\n");
@@ -1362,11 +1360,7 @@ void fill_default_reconfig(NR_ServingCellConfigCommon_t *servingcellconfigcommon
                                   uecap,
                                   1,
                                   1,
-                                  dl_antenna_ports,
-                                  minRXTXTIME,
-                                  do_csirs,
-                                  do_srs,
-                                  force_256qam_off,
+                                  configuration,
                                   uid);
 
   xer_fprint(stdout, &asn_DEF_NR_CellGroupConfig, (const void*)secondaryCellGroup);