diff --git a/openair2/GNB_APP/RRC_nr_paramsvalues.h b/openair2/GNB_APP/RRC_nr_paramsvalues.h
index ddcd5ceafd..bfda253fbf 100644
--- a/openair2/GNB_APP/RRC_nr_paramsvalues.h
+++ b/openair2/GNB_APP/RRC_nr_paramsvalues.h
@@ -109,6 +109,13 @@
 #define GNB_CONFIG_STRING_SSPBCHBLOCKPOWER                               "ssPBCH_BlockPower"
 
 #define GNB_CONFIG_STRING_CELLSPECIFICKOFFSET                            "cellSpecificKoffset_r17"
+#define GNB_CONFIG_STRING_EPHEMERIS_POSITION_X                           "positionX-r17"
+#define GNB_CONFIG_STRING_EPHEMERIS_POSITION_Y                           "positionY-r17"
+#define GNB_CONFIG_STRING_EPHEMERIS_POSITION_Z                           "positionZ-r17"
+#define GNB_CONFIG_STRING_EPHEMERIS_VELOCITY_VX                          "velocityVX-r17"
+#define GNB_CONFIG_STRING_EPHEMERIS_VELOCITY_VY                          "velocityVY-r17"
+#define GNB_CONFIG_STRING_EPHEMERIS_VELOCITY_VZ                          "velocityVZ-r17"
+#define GNB_CONFIG_STRING_TA_COMMON                                      "ta-Common-r17"
 
 #define CARRIERBANDWIDTH_OKVALUES {11,18,24,25,31,32,38,51,52,65,66,78,79,93,106,107,121,132,133,135,160,162,189,216,217,245,264,270,273}
 
@@ -232,6 +239,13 @@
 {GNB_CONFIG_STRING_NROFUPLINKSYMBOLS2,NULL,0,.i64ptr=&scc->tdd_UL_DL_ConfigurationCommon->pattern2->nrofUplinkSymbols,.defint64val=-1,TYPE_INT64,0},\
 {GNB_CONFIG_STRING_SSPBCHBLOCKPOWER,NULL,0,.i64ptr=&scc->ss_PBCH_BlockPower,.defint64val=20,TYPE_INT64,0}, \
 {GNB_CONFIG_STRING_CELLSPECIFICKOFFSET,NULL,0,.i64ptr=scc->ext2->ntn_Config_r17->cellSpecificKoffset_r17,.defint64val=0,TYPE_INT64,0}, \
+{GNB_CONFIG_STRING_EPHEMERIS_POSITION_X,NULL,0,.i64ptr=&scc->ext2->ntn_Config_r17->ephemerisInfo_r17->choice.positionVelocity_r17->positionX_r17,.defint64val=LONG_MAX,TYPE_INT64,0}, \
+{GNB_CONFIG_STRING_EPHEMERIS_POSITION_Y,NULL,0,.i64ptr=&scc->ext2->ntn_Config_r17->ephemerisInfo_r17->choice.positionVelocity_r17->positionY_r17,.defint64val=LONG_MAX,TYPE_INT64,0}, \
+{GNB_CONFIG_STRING_EPHEMERIS_POSITION_Z,NULL,0,.i64ptr=&scc->ext2->ntn_Config_r17->ephemerisInfo_r17->choice.positionVelocity_r17->positionZ_r17,.defint64val=LONG_MAX,TYPE_INT64,0}, \
+{GNB_CONFIG_STRING_EPHEMERIS_VELOCITY_VX,NULL,0,.i64ptr=&scc->ext2->ntn_Config_r17->ephemerisInfo_r17->choice.positionVelocity_r17->velocityVX_r17,.defint64val=LONG_MAX,TYPE_INT64,0}, \
+{GNB_CONFIG_STRING_EPHEMERIS_VELOCITY_VY,NULL,0,.i64ptr=&scc->ext2->ntn_Config_r17->ephemerisInfo_r17->choice.positionVelocity_r17->velocityVY_r17,.defint64val=LONG_MAX,TYPE_INT64,0}, \
+{GNB_CONFIG_STRING_EPHEMERIS_VELOCITY_VZ,NULL,0,.i64ptr=&scc->ext2->ntn_Config_r17->ephemerisInfo_r17->choice.positionVelocity_r17->velocityVZ_r17,.defint64val=LONG_MAX,TYPE_INT64,0}, \
+{GNB_CONFIG_STRING_TA_COMMON,NULL,0,.i64ptr=&scc->ext2->ntn_Config_r17->ta_Info_r17->ta_Common_r17,.defint64val=-1,TYPE_INT64,0}, \
 {GNB_CONFIG_STRING_MSG1SUBCARRIERSPACING,NULL,0,.i64ptr=scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->msg1_SubcarrierSpacing,.defintval=-1,TYPE_INT64,0}}
 
 /*-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
diff --git a/openair2/GNB_APP/gnb_config.c b/openair2/GNB_APP/gnb_config.c
index 57e081b0e9..d1ed728f35 100644
--- a/openair2/GNB_APP/gnb_config.c
+++ b/openair2/GNB_APP/gnb_config.c
@@ -216,6 +216,13 @@ void prepare_scc(NR_ServingCellConfigCommon_t *scc) {
   scc->ext2 = CALLOC(1, sizeof(*scc->ext2));
   scc->ext2->ntn_Config_r17 = CALLOC(1, sizeof(*scc->ext2->ntn_Config_r17));
   scc->ext2->ntn_Config_r17->cellSpecificKoffset_r17 = CALLOC(1, sizeof(*scc->ext2->ntn_Config_r17->cellSpecificKoffset_r17));
+
+  scc->ext2->ntn_Config_r17->ephemerisInfo_r17 = CALLOC(1, sizeof(*scc->ext2->ntn_Config_r17->ephemerisInfo_r17));
+  scc->ext2->ntn_Config_r17->ta_Info_r17 = CALLOC(1, sizeof(*scc->ext2->ntn_Config_r17->ta_Info_r17));
+
+  scc->ext2->ntn_Config_r17->ephemerisInfo_r17->present = NR_EphemerisInfo_r17_PR_positionVelocity_r17;
+  scc->ext2->ntn_Config_r17->ephemerisInfo_r17->choice.positionVelocity_r17 =
+      CALLOC(1, sizeof(*scc->ext2->ntn_Config_r17->ephemerisInfo_r17->choice.positionVelocity_r17));
 }
 
 // Section 4.1 in 38.213
@@ -436,8 +443,27 @@ void fix_scc(NR_ServingCellConfigCommon_t *scc, uint64_t ssbmap)
   AssertFatal(*scc->uplinkConfigCommon->initialUplinkBWP->pucch_ConfigCommon->choice.setup->pucch_ResourceCommon < 2,
 	      "pucch_ResourceConfig should be 0 or 1 for now\n");
 
-  if(*scc->ext2->ntn_Config_r17->cellSpecificKoffset_r17 == 0) {
+  if (*scc->ext2->ntn_Config_r17->cellSpecificKoffset_r17 == 0) {
     free(scc->ext2->ntn_Config_r17->cellSpecificKoffset_r17);
+    scc->ext2->ntn_Config_r17->cellSpecificKoffset_r17 = NULL;
+  }
+  if (scc->ext2->ntn_Config_r17->ta_Info_r17->ta_Common_r17 == -1) {
+    free(scc->ext2->ntn_Config_r17->ta_Info_r17);
+    scc->ext2->ntn_Config_r17->ta_Info_r17 = NULL;
+  }
+  if (scc->ext2->ntn_Config_r17->ephemerisInfo_r17->choice.positionVelocity_r17->positionX_r17 == LONG_MAX
+      && scc->ext2->ntn_Config_r17->ephemerisInfo_r17->choice.positionVelocity_r17->positionY_r17 == LONG_MAX
+      && scc->ext2->ntn_Config_r17->ephemerisInfo_r17->choice.positionVelocity_r17->positionZ_r17 == LONG_MAX
+      && scc->ext2->ntn_Config_r17->ephemerisInfo_r17->choice.positionVelocity_r17->velocityVX_r17 == LONG_MAX
+      && scc->ext2->ntn_Config_r17->ephemerisInfo_r17->choice.positionVelocity_r17->velocityVY_r17 == LONG_MAX
+      && scc->ext2->ntn_Config_r17->ephemerisInfo_r17->choice.positionVelocity_r17->velocityVZ_r17 == LONG_MAX) {
+    free(scc->ext2->ntn_Config_r17->ephemerisInfo_r17->choice.positionVelocity_r17);
+    free(scc->ext2->ntn_Config_r17->ephemerisInfo_r17);
+    scc->ext2->ntn_Config_r17->ephemerisInfo_r17 = NULL;
+  }
+
+  if (!scc->ext2->ntn_Config_r17->cellSpecificKoffset_r17 && !scc->ext2->ntn_Config_r17->ta_Info_r17
+      && !scc->ext2->ntn_Config_r17->ephemerisInfo_r17) {
     free(scc->ext2->ntn_Config_r17);
     free(scc->ext2);
     scc->ext2 = NULL;
@@ -1447,9 +1473,12 @@ void RCconfig_nr_macrlc(configmodule_interface_t *cfg)
     f1ap_served_cell_info_t info;
     read_du_cell_info(cfg, NODE_IS_DU(node_type), &gnb_id, &gnb_du_id, &name, &info, 1);
 
-    if (get_softmodem_params()->sa)
+    if (get_softmodem_params()->sa) {
       nr_mac_configure_sib1(RC.nrmac[0], &info.plmn, info.nr_cellid, *info.tac);
-
+      if (scc->ext2 && scc->ext2->ntn_Config_r17)
+        nr_mac_configure_sib19(RC.nrmac[0]);
+    }
+    
     // read F1 Setup information from config and generated MIB/SIB1
     // and store it at MAC for sending later
     NR_BCCH_BCH_Message_t *mib = RC.nrmac[0]->common_channels[0].mib;
diff --git a/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h b/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h
index b2fd085285..4ce1571390 100644
--- a/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h
+++ b/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h
@@ -231,6 +231,8 @@ NR_tda_info_t get_info_from_tda_tables(default_table_type_t table_type,
                                        int dmrs_TypeA_Position,
                                        int normal_CP);
 
+NR_tda_info_t set_tda_info_from_list(NR_PDSCH_TimeDomainResourceAllocationList_t *tdalist, int tda_index);
+
 default_table_type_t get_default_table_type(int mux_pattern);
 
 void fill_coresetZero(NR_ControlResourceSet_t *coreset0, NR_Type0_PDCCH_CSS_config_t *type0_PDCCH_CSS_config);
diff --git a/openair2/LAYER2/NR_MAC_gNB/config.c b/openair2/LAYER2/NR_MAC_gNB/config.c
index e0e11c5f2f..e4cd0d4ef0 100644
--- a/openair2/LAYER2/NR_MAC_gNB/config.c
+++ b/openair2/LAYER2/NR_MAC_gNB/config.c
@@ -694,9 +694,29 @@ void nr_mac_config_scc(gNB_MAC_INST *nrmac, NR_ServingCellConfigCommon_t *scc, c
     NR_RA_t *ra = &cc->ra[n];
     nr_clear_ra_proc(ra);
   }
+
+  nr_fill_sched_osi(nrmac, scc->downlinkConfigCommon->initialDownlinkBWP->pdcch_ConfigCommon);
   NR_SCHED_UNLOCK(&nrmac->sched_lock);
 }
 
+void nr_fill_sched_osi(gNB_MAC_INST *nrmac, const struct NR_SetupRelease_PDCCH_ConfigCommon *pdcch_ConfigCommon)
+{
+  NR_SearchSpaceId_t *osi_SearchSpace = pdcch_ConfigCommon->choice.setup->searchSpaceOtherSystemInformation;
+  if (osi_SearchSpace) {
+    nrmac->sched_osi = CALLOC(1, sizeof(*nrmac->sched_osi));
+
+    struct NR_PDCCH_ConfigCommon__commonSearchSpaceList *commonSearchSpaceList =
+        pdcch_ConfigCommon->choice.setup->commonSearchSpaceList;
+    AssertFatal(commonSearchSpaceList->list.count > 0, "common SearchSpace list has 0 elements\n");
+    for (int i = 0; i < commonSearchSpaceList->list.count; i++) {
+      NR_SearchSpace_t *ss = commonSearchSpaceList->list.array[i];
+      if (ss->searchSpaceId == *osi_SearchSpace)
+        nrmac->sched_osi->search_space = ss;
+    }
+    AssertFatal(nrmac->sched_osi->search_space != NULL, "SearchSpace cannot be null for OSI\n");
+  }
+}
+
 void nr_mac_configure_sib1(gNB_MAC_INST *nrmac, const f1ap_plmn_t *plmn, uint64_t cellID, int tac)
 {
   AssertFatal(get_softmodem_params()->sa > 0, "error: SIB1 only applicable for SA\n");
@@ -709,6 +729,17 @@ void nr_mac_configure_sib1(gNB_MAC_INST *nrmac, const f1ap_plmn_t *plmn, uint64_
   AssertFatal(cc->sib1_bcch_length > 0, "could not encode SIB1\n");
 }
 
+void nr_mac_configure_sib19(gNB_MAC_INST *nrmac)
+{
+  AssertFatal(get_softmodem_params()->sa > 0, "error: SIB19 only applicable for SA\n");
+  NR_COMMON_channels_t *cc = &nrmac->common_channels[0];
+  NR_ServingCellConfigCommon_t *scc = cc->ServingCellConfigCommon;
+  NR_BCCH_DL_SCH_Message_t *sib19 = get_SIB19_NR(scc);
+  cc->sib19 = sib19;
+  cc->sib19_bcch_length = encode_SIB19_NR(sib19, cc->sib19_bcch_pdu, sizeof(cc->sib19_bcch_pdu));
+  AssertFatal(cc->sib19_bcch_length > 0, "could not encode SIB19\n");
+}
+
 bool nr_mac_add_test_ue(gNB_MAC_INST *nrmac, uint32_t rnti, NR_CellGroupConfig_t *CellGroup)
 {
   /* ideally, instead of this function, "users" of this function should call
diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c
index ad18ead1f4..fd059bc1be 100644
--- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c
+++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c
@@ -263,8 +263,12 @@ void gNB_dlsch_ulsch_scheduler(module_id_t module_idP, frame_t frame, sub_frame_
   schedule_nr_mib(module_idP, frame, slot, &sched_info->DL_req);
 
   // This schedules SIB1
-  if (get_softmodem_params()->sa == 1)
+  // SIB19 will be scheduled if ntn_Config_r17 is initialized
+  if (get_softmodem_params()->sa == 1) {
     schedule_nr_sib1(module_idP, frame, slot, &sched_info->DL_req, &sched_info->TX_req);
+    if (cc->sib19)
+      schedule_nr_sib19(module_idP, frame, slot, &sched_info->DL_req, &sched_info->TX_req, cc->sib19_bcch_length, cc->sib19_bcch_pdu);
+  }
 
   // This schedule PRACH if we are not in phy_test mode
   if (get_softmodem_params()->phy_test == 0) {
diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c
index 160cde63f5..e42cc0bf9d 100644
--- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c
+++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c
@@ -673,7 +673,7 @@ static void nr_generate_Msg3_retransmission(module_id_t module_idP,
       ul_dci_request_pdu->PDUSize = (uint8_t)(2+sizeof(nfapi_nr_dl_tti_pdcch_pdu));
       pdcch_pdu_rel15 = &ul_dci_request_pdu->pdcch_pdu.pdcch_pdu_rel15;
       ul_dci_req->numPdus += 1;
-      nr_configure_pdcch(pdcch_pdu_rel15, coreset, &ra->sched_pdcch);
+      nr_configure_pdcch(pdcch_pdu_rel15, coreset, &ra->sched_pdcch, false);
       nr_mac->pdcch_pdu_idx[CC_id][coresetid] = pdcch_pdu_rel15;
     }
 
@@ -1335,7 +1335,7 @@ static void nr_generate_Msg2(module_id_t module_idP,
     dl_tti_pdcch_pdu->PDUSize = (uint8_t)(2 + sizeof(nfapi_nr_dl_tti_pdcch_pdu));
     dl_req->nPDUs += 1;
     pdcch_pdu_rel15 = &dl_tti_pdcch_pdu->pdcch_pdu.pdcch_pdu_rel15;
-    nr_configure_pdcch(pdcch_pdu_rel15, coreset, &ra->sched_pdcch);
+    nr_configure_pdcch(pdcch_pdu_rel15, coreset, &ra->sched_pdcch, false);
     nr_mac->pdcch_pdu_idx[CC_id][coresetid] = pdcch_pdu_rel15;
   }
 
@@ -1577,7 +1577,7 @@ static void prepare_dl_pdus(gNB_MAC_INST *nr_mac,
     dl_tti_pdcch_pdu->PDUSize = (uint8_t)(2 + sizeof(nfapi_nr_dl_tti_pdcch_pdu));
     dl_req->nPDUs += 1;
     pdcch_pdu_rel15 = &dl_tti_pdcch_pdu->pdcch_pdu.pdcch_pdu_rel15;
-    nr_configure_pdcch(pdcch_pdu_rel15, coreset, &ra->sched_pdcch);
+    nr_configure_pdcch(pdcch_pdu_rel15, coreset, &ra->sched_pdcch, false);
     nr_mac->pdcch_pdu_idx[CC_id][coresetid] = pdcch_pdu_rel15;
   }
 
diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_bch.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_bch.c
index 4e3133aff3..18ce58f2d4 100644
--- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_bch.c
+++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_bch.c
@@ -276,6 +276,75 @@ void schedule_nr_mib(module_id_t module_idP, frame_t frameP, sub_frame_t slotP,
   }
 }
 
+uint32_t get_tbs(NR_Type0_PDCCH_CSS_config_t *type0_PDCCH_CSS_config,
+                 NR_sched_pdsch_t *pdsch,
+                 uint32_t num_total_bytes,
+                 uint16_t *vrb_map)
+{
+  NR_tda_info_t *tda_info = &pdsch->tda_info;
+
+  const uint16_t bwpSize = type0_PDCCH_CSS_config->num_rbs;
+  int rbStart = type0_PDCCH_CSS_config->cset_start_rb;
+
+  // Calculate number of PRB_DMRS
+  uint8_t N_PRB_DMRS = pdsch->dmrs_parms.N_PRB_DMRS;
+  uint16_t dmrs_length = pdsch->dmrs_parms.N_DMRS_SLOT;
+  LOG_D(MAC, "dlDmrsSymbPos %x\n", pdsch->dmrs_parms.dl_dmrs_symb_pos);
+  int mcsTableIdx = 0;
+  int rbSize = 0;
+  uint32_t TBS = 0;
+  do {
+    if (rbSize < bwpSize && !(vrb_map[rbStart + rbSize] & SL_to_bitmap(tda_info->startSymbolIndex, tda_info->nrOfSymbols)))
+      rbSize++;
+    else {
+      if (pdsch->mcs < 10)
+        pdsch->mcs++;
+      else
+        break;
+    }
+    TBS = nr_compute_tbs(nr_get_Qm_dl(pdsch->mcs, mcsTableIdx),
+                         nr_get_code_rate_dl(pdsch->mcs, mcsTableIdx),
+                         rbSize,
+                         tda_info->nrOfSymbols,
+                         N_PRB_DMRS * dmrs_length,
+                         0,
+                         0,
+                         1)
+          >> 3;
+  } while (TBS < num_total_bytes);
+
+  if (TBS < num_total_bytes) {
+    for (int rb = 0; rb < bwpSize; rb++)
+      LOG_I(NR_MAC, "vrb_map[%d] %x\n", rbStart + rb, vrb_map[rbStart + rb]);
+  }
+  AssertFatal(
+      TBS >= num_total_bytes,
+      "Couldn't allocate enough resources for %d bytes in SIB PDSCH (rbStart %d, rbSize %d, bwpSize %d SLmask %x - [%d,%d])\n",
+      num_total_bytes,
+      rbStart,
+      rbSize,
+      bwpSize,
+      SL_to_bitmap(tda_info->startSymbolIndex, tda_info->nrOfSymbols),
+      tda_info->startSymbolIndex,
+      tda_info->nrOfSymbols);
+
+  pdsch->rbSize = rbSize;
+  pdsch->rbStart = 0;
+
+  LOG_D(
+      NR_MAC,
+      "mcs=%i, startSymbolIndex = %i, nrOfSymbols = %i, rbSize = %i, TBS = %i, dmrs_length %d, N_PRB_DMRS = %d, mappingtype = %d\n",
+      pdsch->mcs,
+      tda_info->startSymbolIndex,
+      tda_info->nrOfSymbols,
+      pdsch->rbSize,
+      TBS,
+      dmrs_length,
+      N_PRB_DMRS,
+      tda_info->mapping_type);
+  return TBS;
+}
+
 static uint32_t schedule_control_sib1(module_id_t module_id,
                                       int CC_id,
                                       NR_Type0_PDCCH_CSS_config_t *type0_PDCCH_CSS_config,
@@ -335,56 +404,8 @@ static uint32_t schedule_control_sib1(module_id_t module_id,
 
   AssertFatal(gNB_mac->sched_ctrlCommon->cce_index >= 0, "Could not find CCE for coreset0\n");
 
-  const uint16_t bwpSize = type0_PDCCH_CSS_config->num_rbs;
-  int rbStart = type0_PDCCH_CSS_config->cset_start_rb;
+  uint32_t TBS = get_tbs(type0_PDCCH_CSS_config, &gNB_mac->sched_ctrlCommon->sched_pdsch, gNB_mac->sched_ctrlCommon->num_total_bytes, vrb_map);
 
-  // Calculate number of PRB_DMRS
-  uint8_t N_PRB_DMRS = pdsch->dmrs_parms.N_PRB_DMRS;
-  uint16_t dmrs_length = pdsch->dmrs_parms.N_DMRS_SLOT;
-  LOG_D(MAC,"dlDmrsSymbPos %x\n",pdsch->dmrs_parms.dl_dmrs_symb_pos);
-  int mcsTableIdx = 0;
-  int rbSize = 0;
-  uint32_t TBS = 0;
-  do {
-    if(rbSize < bwpSize && !(vrb_map[rbStart + rbSize]&SL_to_bitmap(tda_info->startSymbolIndex, tda_info->nrOfSymbols)))
-      rbSize++;
-    else{
-      if (pdsch->mcs<10)
-        pdsch->mcs++;
-      else
-        break;
-    }
-    TBS = nr_compute_tbs(nr_get_Qm_dl(pdsch->mcs, mcsTableIdx),
-                         nr_get_code_rate_dl(pdsch->mcs, mcsTableIdx),
-                         rbSize, tda_info->nrOfSymbols, N_PRB_DMRS * dmrs_length,0, 0,1) >> 3;
-  } while (TBS < gNB_mac->sched_ctrlCommon->num_total_bytes);
-
-  if (TBS < gNB_mac->sched_ctrlCommon->num_total_bytes) {
-    for (int rb = 0; rb < bwpSize; rb++)
-      LOG_I(NR_MAC, "vrb_map[%d] %x\n", rbStart + rb, vrb_map[rbStart + rb]);
-  }
-  AssertFatal(
-      TBS >= gNB_mac->sched_ctrlCommon->num_total_bytes,
-      "Couldn't allocate enough resources for %d bytes in SIB1 PDSCH (rbStart %d, rbSize %d, bwpSize %d SLmask %x - [%d,%d])\n",
-      gNB_mac->sched_ctrlCommon->num_total_bytes,
-      rbStart,
-      rbSize,
-      bwpSize,
-      SL_to_bitmap(tda_info->startSymbolIndex, tda_info->nrOfSymbols),
-      tda_info->startSymbolIndex,
-      tda_info->nrOfSymbols);
-
-  pdsch->rbSize = rbSize;
-  pdsch->rbStart = 0;
-
-  LOG_D(NR_MAC,"mcs = %i\n", pdsch->mcs);
-  LOG_D(NR_MAC,"startSymbolIndex = %i\n", tda_info->startSymbolIndex);
-  LOG_D(NR_MAC,"nrOfSymbols = %i\n", tda_info->nrOfSymbols);
-  LOG_D(NR_MAC, "rbSize = %i\n", pdsch->rbSize);
-  LOG_D(NR_MAC,"TBS = %i\n", TBS);
-  LOG_D(NR_MAC,"dmrs_length %d\n",dmrs_length);
-  LOG_D(NR_MAC,"N_PRB_DMRS = %d\n",N_PRB_DMRS);
-  LOG_D(NR_MAC,"mappingtype = %d\n", tda_info->mapping_type);
   // Mark the corresponding RBs as used
   fill_pdcch_vrb_map(gNB_mac,
                      CC_id,
@@ -393,36 +414,113 @@ static uint32_t schedule_control_sib1(module_id_t module_id,
                      gNB_mac->sched_ctrlCommon->aggregation_level,
                      beam);
   for (int rb = 0; rb < pdsch->rbSize; rb++) {
-    vrb_map[rb + rbStart] |= SL_to_bitmap(tda_info->startSymbolIndex, tda_info->nrOfSymbols);
+    vrb_map[rb + type0_PDCCH_CSS_config->cset_start_rb] |= SL_to_bitmap(tda_info->startSymbolIndex, tda_info->nrOfSymbols);
   }
   return TBS;
 }
 
-static void nr_fill_nfapi_dl_sib1_pdu(int Mod_idP,
-                                      nfapi_nr_dl_tti_request_body_t *dl_req,
-                                      int pdu_index,
-                                      NR_Type0_PDCCH_CSS_config_t *type0_PDCCH_CSS_config,
-                                      uint32_t TBS,
-                                      int StartSymbolIndex,
-                                      int NrOfSymbols)
+static uint32_t schedule_control_other_si(module_id_t module_id,
+                                          int CC_id,
+                                          NR_Type0_PDCCH_CSS_config_t *type0_PDCCH_CSS_config,
+                                          int time_domain_allocation,
+                                          NR_pdsch_dmrs_t *dmrs_parms,
+                                          NR_tda_info_t *tda_info,
+                                          uint8_t candidate_idx,
+                                          int beam,
+                                          uint16_t num_total_bytes)
 {
+  gNB_MAC_INST *gNB_mac = RC.nrmac[module_id];
+  NR_COMMON_channels_t *cc = &gNB_mac->common_channels[CC_id];
+  NR_ServingCellConfigCommon_t *scc = cc->ServingCellConfigCommon;
+  uint16_t *vrb_map = cc->vrb_map[beam];
+
+  if (!gNB_mac->sched_osi->coreset) {
+    gNB_mac->sched_osi->coreset =
+        get_coreset(gNB_mac, scc, NULL, gNB_mac->sched_osi->search_space, NR_SearchSpace__searchSpaceType_PR_common);
+    gNB_mac->sched_osi->sched_pdcch =
+        set_pdcch_structure(NULL, gNB_mac->sched_osi->search_space, gNB_mac->sched_osi->coreset, scc, NULL, type0_PDCCH_CSS_config);
+  }
+
+  NR_sched_pdsch_t *pdsch = &gNB_mac->sched_osi->sched_pdsch;
+  pdsch->time_domain_allocation = time_domain_allocation;
+  pdsch->dmrs_parms = *dmrs_parms;
+  pdsch->tda_info = *tda_info;
+  pdsch->mcs = 0; // starting from mcs 0
+  gNB_mac->sched_osi->num_total_bytes = num_total_bytes;
+
+  uint8_t nr_of_candidates;
+
+  for (int i = 0; i < 3; i++) {
+    find_aggregation_candidates(&gNB_mac->sched_osi->aggregation_level,
+                                &nr_of_candidates,
+                                gNB_mac->sched_ctrlCommon->search_space,
+                                4 << i);
+    if (nr_of_candidates > 0)
+      break; // choosing the lower value of aggregation level available
+  }
+  AssertFatal(nr_of_candidates > 0, "nr_of_candidates is 0\n");
+  gNB_mac->sched_osi->cce_index = find_pdcch_candidate(gNB_mac,
+                                                       CC_id,
+                                                       gNB_mac->sched_osi->aggregation_level,
+                                                       nr_of_candidates,
+                                                       beam,
+                                                       &gNB_mac->sched_osi->sched_pdcch,
+                                                       gNB_mac->sched_osi->coreset,
+                                                       0);
+
+  AssertFatal(gNB_mac->sched_osi->cce_index >= 0, "Could not find CCE for coreset0\n");
+
+  // Calculate number of PRB_DMRS
+  uint32_t TBS = get_tbs(type0_PDCCH_CSS_config, &gNB_mac->sched_osi->sched_pdsch, gNB_mac->sched_osi->num_total_bytes, vrb_map);
+  // Mark the corresponding RBs as used
+  fill_pdcch_vrb_map(gNB_mac,
+                     CC_id,
+                     &gNB_mac->sched_osi->sched_pdcch,
+                     gNB_mac->sched_osi->cce_index,
+                     gNB_mac->sched_osi->aggregation_level,
+                     beam);
+  for (int rb = 0; rb < pdsch->rbSize; rb++) {
+    vrb_map[rb + type0_PDCCH_CSS_config->cset_start_rb] |= SL_to_bitmap(tda_info->startSymbolIndex, tda_info->nrOfSymbols);
+  }
+  return TBS;
+}
+
+static void nr_fill_nfapi_dl_SIB_pdu(int Mod_idP,
+                                    NR_UE_sched_osi_ctrl_t *sched_osi,
+                                    NR_UE_sched_ctrl_t *sched_ctrlCommon,
+                                    nfapi_nr_dl_tti_request_body_t *dl_req,
+                                    int pdu_index,
+                                    NR_Type0_PDCCH_CSS_config_t *type0_PDCCH_CSS_config,
+                                    uint32_t TBS,
+                                    int StartSymbolIndex,
+                                    int NrOfSymbols)
+{
+  // will set data according to SIB type (SIB1/OtherSI)
+  NR_sched_pdsch_t *pdsch          = (sched_ctrlCommon ? &sched_ctrlCommon->sched_pdsch      : &sched_osi->sched_pdsch);
+  NR_sched_pdcch_t *pdcch          = (sched_ctrlCommon ? &sched_ctrlCommon->sched_pdcch      : &sched_osi->sched_pdcch);
+  NR_SearchSpace_t *search_space   = (sched_ctrlCommon ? sched_ctrlCommon->search_space      : sched_osi->search_space);
+  NR_ControlResourceSet_t *coreset = (sched_ctrlCommon ? sched_ctrlCommon->coreset           : sched_osi->coreset);
+  uint8_t aggregation_level        = (sched_ctrlCommon ? sched_ctrlCommon->aggregation_level : sched_osi->aggregation_level);
+  int cce_index                    = (sched_ctrlCommon ? sched_ctrlCommon->cce_index         : sched_osi->cce_index);
+
   gNB_MAC_INST *gNB_mac = RC.nrmac[Mod_idP];
   NR_COMMON_channels_t *cc = gNB_mac->common_channels;
   NR_ServingCellConfigCommon_t *scc = cc->ServingCellConfigCommon;
   int mcsTableIdx = 0;
-  NR_sched_pdsch_t *pdsch = &gNB_mac->sched_ctrlCommon->sched_pdsch;
+
   nfapi_nr_dl_tti_request_pdu_t *dl_tti_pdcch_pdu = &dl_req->dl_tti_pdu_list[dl_req->nPDUs];
-  memset((void*)dl_tti_pdcch_pdu,0,sizeof(nfapi_nr_dl_tti_request_pdu_t));
+  memset(dl_tti_pdcch_pdu, 0, sizeof(*dl_tti_pdcch_pdu));
   dl_tti_pdcch_pdu->PDUType = NFAPI_NR_DL_TTI_PDCCH_PDU_TYPE;
   dl_tti_pdcch_pdu->PDUSize = (uint16_t)(4+sizeof(nfapi_nr_dl_tti_pdcch_pdu));
   dl_req->nPDUs += 1;
   nfapi_nr_dl_tti_pdcch_pdu_rel15_t *pdcch_pdu_rel15 = &dl_tti_pdcch_pdu->pdcch_pdu.pdcch_pdu_rel15;
   nr_configure_pdcch(pdcch_pdu_rel15,
-                     gNB_mac->sched_ctrlCommon->coreset,
-                     &gNB_mac->sched_ctrlCommon->sched_pdcch);
+                     coreset,
+                     pdcch,
+                     sched_ctrlCommon ? false : true);
 
   nfapi_nr_dl_tti_request_pdu_t *dl_tti_pdsch_pdu = &dl_req->dl_tti_pdu_list[dl_req->nPDUs];
-  memset((void*)dl_tti_pdsch_pdu,0,sizeof(nfapi_nr_dl_tti_request_pdu_t));
+  memset(dl_tti_pdsch_pdu, 0, sizeof(*dl_tti_pdcch_pdu));
   dl_tti_pdsch_pdu->PDUType = NFAPI_NR_DL_TTI_PDSCH_PDU_TYPE;
   dl_tti_pdsch_pdu->PDUSize = (uint16_t)(4+sizeof(nfapi_nr_dl_tti_pdsch_pdu));
   dl_req->nPDUs += 1;
@@ -469,13 +567,18 @@ static void nr_fill_nfapi_dl_sib1_pdu(int Mod_idP,
   pdsch_pdu_rel15->StartSymbolIndex = StartSymbolIndex;
   pdsch_pdu_rel15->NrOfSymbols = NrOfSymbols;
   pdsch_pdu_rel15->dlDmrsSymbPos = pdsch->dmrs_parms.dl_dmrs_symb_pos;
-  LOG_D(NR_MAC,"sib1:bwpStart %d, bwpSize %d\n",pdsch_pdu_rel15->BWPStart,pdsch_pdu_rel15->BWPSize);
-  LOG_D(NR_MAC,"sib1:rbStart %d, rbSize %d\n",pdsch_pdu_rel15->rbStart,pdsch_pdu_rel15->rbSize);
-  LOG_D(NR_MAC,"sib1:dlDmrsSymbPos = 0x%x\n", pdsch_pdu_rel15->dlDmrsSymbPos);
+
+  LOG_D(NR_MAC,
+        "OtherSI:bwpStart %d, bwpSize %d, rbStart %d, rbSize %d, dlDmrsSymbPos = 0x%x\n",
+        pdsch_pdu_rel15->BWPStart,
+        pdsch_pdu_rel15->BWPSize,
+        pdsch_pdu_rel15->rbStart,
+        pdsch_pdu_rel15->rbSize,
+        pdsch_pdu_rel15->dlDmrsSymbPos);
 
   pdsch_pdu_rel15->maintenance_parms_v3.tbSizeLbrmBytes = nr_compute_tbslbrm(0,
-                                                                             pdsch_pdu_rel15->BWPSize,
-                                                                             1);
+                                                                            pdsch_pdu_rel15->BWPSize,
+                                                                            1);
   pdsch_pdu_rel15->maintenance_parms_v3.ldpcBaseGraph = get_BG(TBS<<3,pdsch_pdu_rel15->targetCodeRate[0]);
 
   /* Fill PDCCH DL DCI PDU */
@@ -484,8 +587,8 @@ static void nr_fill_nfapi_dl_sib1_pdu(int Mod_idP,
   dci_pdu->RNTI = SI_RNTI;
   dci_pdu->ScramblingId = *scc->physCellId;
   dci_pdu->ScramblingRNTI = 0;
-  dci_pdu->AggregationLevel = gNB_mac->sched_ctrlCommon->aggregation_level;
-  dci_pdu->CceIndex = gNB_mac->sched_ctrlCommon->cce_index;
+  dci_pdu->AggregationLevel = aggregation_level;
+  dci_pdu->CceIndex = cce_index;
   dci_pdu->beta_PDCCH_1_0 = 0;
   dci_pdu->powerControlOffsetSS = 1;
 
@@ -499,7 +602,7 @@ static void nr_fill_nfapi_dl_sib1_pdu(int Mod_idP,
   dci_payload.frequency_domain_assignment.val = PRBalloc_to_locationandbandwidth0(
       pdsch_pdu_rel15->rbSize, pdsch_pdu_rel15->rbStart, type0_PDCCH_CSS_config->num_rbs);
 
-  dci_payload.time_domain_assignment.val = gNB_mac->sched_ctrlCommon->sched_pdsch.time_domain_allocation;
+  dci_payload.time_domain_assignment.val = pdsch->time_domain_allocation;
   dci_payload.mcs = pdsch->mcs;
   dci_payload.rv = pdsch_pdu_rel15->rvIndex[0];
   dci_payload.harq_pid.val = 0;
@@ -510,6 +613,7 @@ static void nr_fill_nfapi_dl_sib1_pdu(int Mod_idP,
   dci_payload.pdsch_to_harq_feedback_timing_indicator.val = 0;
   dci_payload.antenna_ports.val = 0;
   dci_payload.dmrs_sequence_initialization.val = pdsch_pdu_rel15->SCID;
+  dci_payload.system_info_indicator = sched_ctrlCommon ? 0 : 1;
 
   int dci_format = NR_DL_DCI_FORMAT_1_0;
   int rnti_type = TYPE_SI_RNTI_;
@@ -522,25 +626,28 @@ static void nr_fill_nfapi_dl_sib1_pdu(int Mod_idP,
                      dci_format,
                      rnti_type,
                      0,
-                     gNB_mac->sched_ctrlCommon->search_space,
-                     gNB_mac->sched_ctrlCommon->coreset,
-                     0, // parameter not needed for DCI 1_0
+                     search_space,
+                     coreset,
+                     0,
                      gNB_mac->cset0_bwp_size);
 
-  LOG_D(MAC,"BWPSize: %i\n", pdcch_pdu_rel15->BWPSize);
-  LOG_D(MAC,"BWPStart: %i\n", pdcch_pdu_rel15->BWPStart);
-  LOG_D(MAC,"SubcarrierSpacing: %i\n", pdcch_pdu_rel15->SubcarrierSpacing);
-  LOG_D(MAC,"CyclicPrefix: %i\n", pdcch_pdu_rel15->CyclicPrefix);
-  LOG_D(MAC,"StartSymbolIndex: %i\n", pdcch_pdu_rel15->StartSymbolIndex);
-  LOG_D(MAC,"DurationSymbols: %i\n", pdcch_pdu_rel15->DurationSymbols);
-  for(int n=0;n<6;n++) LOG_D(MAC,"FreqDomainResource[%i]: %x\n",n, pdcch_pdu_rel15->FreqDomainResource[n]);
-  LOG_D(MAC,"CceRegMappingType: %i\n", pdcch_pdu_rel15->CceRegMappingType);
-  LOG_D(MAC,"RegBundleSize: %i\n", pdcch_pdu_rel15->RegBundleSize);
-  LOG_D(MAC,"InterleaverSize: %i\n", pdcch_pdu_rel15->InterleaverSize);
-  LOG_D(MAC,"CoreSetType: %i\n", pdcch_pdu_rel15->CoreSetType);
-  LOG_D(MAC,"ShiftIndex: %i\n", pdcch_pdu_rel15->ShiftIndex);
-  LOG_D(MAC,"precoderGranularity: %i\n", pdcch_pdu_rel15->precoderGranularity);
-  LOG_D(MAC,"numDlDci: %i\n", pdcch_pdu_rel15->numDlDci);
+  LOG_D(MAC,
+        "BWPSize: %3i, BWPStart: %3i, SubcarrierSpacing: %i, CyclicPrefix: %i, StartSymbolIndex: %i, DurationSymbols: %i, "
+        "CceRegMappingType: %i, RegBundleSize: %i, InterleaverSize: %i, CoreSetType: %i, ShiftIndex: %i, precoderGranularity: %i, "
+        "numDlDci: %i\n",
+        pdcch_pdu_rel15->BWPSize,
+        pdcch_pdu_rel15->BWPStart,
+        pdcch_pdu_rel15->SubcarrierSpacing,
+        pdcch_pdu_rel15->CyclicPrefix,
+        pdcch_pdu_rel15->StartSymbolIndex,
+        pdcch_pdu_rel15->DurationSymbols,
+        pdcch_pdu_rel15->CceRegMappingType,
+        pdcch_pdu_rel15->RegBundleSize,
+        pdcch_pdu_rel15->InterleaverSize,
+        pdcch_pdu_rel15->CoreSetType,
+        pdcch_pdu_rel15->ShiftIndex,
+        pdcch_pdu_rel15->precoderGranularity,
+        pdcch_pdu_rel15->numDlDci);
 }
 
 void schedule_nr_sib1(module_id_t module_idP,
@@ -614,7 +721,15 @@ void schedule_nr_sib1(module_id_t module_idP,
 
       nfapi_nr_dl_tti_request_body_t *dl_req = &DL_req->dl_tti_request_body;
       int pdu_index = gNB_mac->pdu_index[0]++;
-      nr_fill_nfapi_dl_sib1_pdu(module_idP, dl_req, pdu_index, type0_PDCCH_CSS_config, TBS, tda_info.startSymbolIndex, tda_info.nrOfSymbols);
+      nr_fill_nfapi_dl_SIB_pdu(module_idP, 
+                              NULL,
+                              gNB_mac->sched_ctrlCommon,
+                              dl_req,
+                              pdu_index,
+                              type0_PDCCH_CSS_config,
+                              TBS,
+                              tda_info.startSymbolIndex,
+                              tda_info.nrOfSymbols);
 
       const int ntx_req = TX_req->Number_of_PDUs;
       nfapi_nr_pdu_t *tx_req = &TX_req->pdu_list[ntx_req];
@@ -643,3 +758,147 @@ void schedule_nr_sib1(module_id_t module_idP,
     }
   }
 }
+
+struct NR_SchedulingInfo2_r17 *find_sib19_sched_info(const struct NR_SI_SchedulingInfo_v1700 *si_schedulinginfo2_r17)
+{
+  for (int i = 0; i < si_schedulinginfo2_r17->schedulingInfoList2_r17.list.count; i++) {
+    const struct NR_SIB_Mapping_v1700 *sib_MappingInfo_r17 =
+        &si_schedulinginfo2_r17->schedulingInfoList2_r17.list.array[i]->sib_MappingInfo_r17;
+    for (int j = 0; j < sib_MappingInfo_r17->list.count; j++) {
+      if (sib_MappingInfo_r17->list.array[j]->sibType_r17.choice.type1_r17
+          == NR_SIB_TypeInfo_v1700__sibType_r17__type1_r17_sibType19) {
+        return si_schedulinginfo2_r17->schedulingInfoList2_r17.list.array[i];
+      }
+    }
+  }
+  return NULL;
+}
+
+void schedule_nr_sib19(module_id_t module_idP,
+                      frame_t frameP,
+                      sub_frame_t slotP,
+                      nfapi_nr_dl_tti_request_t *DL_req,
+                      nfapi_nr_tx_data_request_t *TX_req,
+                      int sib19_bcch_length,
+                      uint8_t *sib19_bcch_pdu)
+{
+  /* already mutex protected: held in gNB_dlsch_ulsch_scheduler() */
+
+  const int CC_id = 0;
+  uint8_t candidate_idx = 0;
+
+  gNB_MAC_INST *gNB_mac = RC.nrmac[module_idP];
+  NR_ServingCellConfigCommon_t *scc = gNB_mac->common_channels[CC_id].ServingCellConfigCommon;
+  NR_COMMON_channels_t *cc = &gNB_mac->common_channels[0];
+
+  // there is no reason to execute further if sched_osi not initialized
+  if (!gNB_mac->sched_osi)
+    return;
+
+  // get sib19 scheduling info from sib1
+  struct NR_SI_SchedulingInfo_v1700 *si_schedulinginfo2_r17 = cc->sib1->message.choice.c1->choice.systemInformationBlockType1->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->si_SchedulingInfo_v1700;
+  if (!si_schedulinginfo2_r17) {
+    LOG_E(GNB_APP, "SIB1 does not contain si_SchedulingInfo_v1700\n");
+    return;
+  }
+
+  struct NR_SchedulingInfo2_r17 *sib19_sched_info = find_sib19_sched_info(si_schedulinginfo2_r17);
+  if (!sib19_sched_info) {
+    LOG_D(GNB_APP, "SIB1 does not contain scheduling info for SIB19\n");
+    return;
+  }
+
+  // convert periodicity enum type into actual frames number
+  int frame = 8 << sib19_sched_info->si_Periodicity_r17;
+
+  int time_domain_allocation = 1; // row 0 of pdsch tda common table
+  int L_max;
+  switch (scc->ssb_PositionsInBurst->present) {
+    case 1:
+      L_max = 4;
+      break;
+    case 2:
+      L_max = 8;
+      break;
+    case 3:
+      L_max = 64;
+      break;
+    default:
+      AssertFatal(0,"SSB bitmap size value %d undefined (allowed values 1,2,3)\n",
+                  scc->ssb_PositionsInBurst->present);
+  }
+
+  const int window_length = 10; 
+  for (int i=0; i<L_max; i++) {
+
+    NR_Type0_PDCCH_CSS_config_t *type0_PDCCH_CSS_config = &gNB_mac->type0_PDCCH_CSS_config[i];
+    if(((frameP - 1) % frame == 0) &&
+       (slotP == ((sib19_sched_info->si_WindowPosition_r17 % window_length) - 1)) &&
+       (type0_PDCCH_CSS_config->num_rbs > 0)) {
+
+      const int n_slots_frame = nr_slots_per_frame[*scc->ssbSubcarrierSpacing];
+      NR_beam_alloc_t beam = beam_allocation_procedure(&gNB_mac->beam_info, frameP, slotP, i, n_slots_frame);
+      AssertFatal(beam.idx >= 0, "Cannot allocate SIB19 corresponding to SSB %d in any available beam\n", i);
+      LOG_D(NR_MAC,"(%d.%d) SIB19 transmission: ssb_index %d\n", frameP, slotP, type0_PDCCH_CSS_config->ssb_index);
+
+      NR_tda_info_t tda_info = set_tda_info_from_list(scc->downlinkConfigCommon->initialDownlinkBWP->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList, time_domain_allocation);
+      LOG_D(NR_MAC,"tda_info.startSymbolIndex: %d, tda_info.nrOfSymbols: %d\n", tda_info.startSymbolIndex, tda_info.nrOfSymbols);
+
+      AssertFatal((tda_info.startSymbolIndex + tda_info.nrOfSymbols) < 14, "SIB19 TDA %d would cause overlap with CSI-RS. Please select a different SIB1 TDA.\n", time_domain_allocation);
+
+      NR_pdsch_dmrs_t dmrs_parms = get_dl_dmrs_params(scc,
+                                                      NULL,
+                                                      &tda_info,
+                                                      1);
+
+      // Configure sched_osi for SIB19
+      uint32_t TBS = schedule_control_other_si(module_idP,
+                                               CC_id,
+                                               type0_PDCCH_CSS_config,
+                                               time_domain_allocation,
+                                               &dmrs_parms,
+                                               &tda_info,
+                                               candidate_idx,
+                                               beam.idx,
+                                               sib19_bcch_length);
+
+      nfapi_nr_dl_tti_request_body_t *dl_req = &DL_req->dl_tti_request_body;
+      int pdu_index = gNB_mac->pdu_index[0]++;
+
+      nr_fill_nfapi_dl_SIB_pdu(module_idP,
+                               gNB_mac->sched_osi,
+                               NULL,
+                               dl_req,
+                               pdu_index,
+                               type0_PDCCH_CSS_config,
+                               TBS,
+                               tda_info.startSymbolIndex,
+                               tda_info.nrOfSymbols);
+
+      const int ntx_req = TX_req->Number_of_PDUs;
+      nfapi_nr_pdu_t *tx_req = &TX_req->pdu_list[ntx_req];
+
+      // Data to be transmitted
+      memcpy(tx_req->TLVs[0].value.direct, sib19_bcch_pdu, TBS);
+
+      tx_req->PDU_length = TBS;
+      tx_req->PDU_index  = pdu_index;
+      tx_req->num_TLV = 1;
+      tx_req->TLVs[0].length = TBS + 2;
+      TX_req->Number_of_PDUs++;
+      TX_req->SFN = frameP;
+      TX_req->Slot = slotP;
+
+      type0_PDCCH_CSS_config->active = false;
+
+      T(T_GNB_MAC_DL_PDU_WITH_DATA,
+        T_INT(module_idP),
+        T_INT(CC_id),
+        T_INT(SI_RNTI),
+        T_INT(frameP),
+        T_INT(slotP),
+        T_INT(0 /* harq_pid */),
+        T_BUFFER(sib19_bcch_pdu, sib19_bcch_length));
+    }
+  }
+}
\ No newline at end of file
diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c
index 334c263501..c7f2a97212 100644
--- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c
+++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c
@@ -1074,7 +1074,7 @@ void nr_schedule_ue_spec(module_id_t module_id,
       pdcch_pdu = &dl_tti_pdcch_pdu->pdcch_pdu.pdcch_pdu_rel15;
       LOG_D(NR_MAC,"Trying to configure DL pdcch for UE %04x, bwp %d, cs %d\n", UE->rnti, bwp_id, coresetid);
       NR_ControlResourceSet_t *coreset = sched_ctrl->coreset;
-      nr_configure_pdcch(pdcch_pdu, coreset, &sched_ctrl->sched_pdcch);
+      nr_configure_pdcch(pdcch_pdu, coreset, &sched_ctrl->sched_pdcch, false);
       gNB_mac->pdcch_pdu_idx[CC_id][coresetid] = pdcch_pdu;
     }
 
diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c
index 5bc2a97fd7..6d0dc01112 100644
--- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c
+++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c
@@ -870,7 +870,8 @@ int nr_get_default_pucch_res(int pucch_ResourceCommon) {
 
 void nr_configure_pdcch(nfapi_nr_dl_tti_pdcch_pdu_rel15_t *pdcch_pdu,
                         NR_ControlResourceSet_t *coreset,
-                        NR_sched_pdcch_t *pdcch) {
+                        NR_sched_pdcch_t *pdcch, 
+                        bool otherSI) {
 
 
   pdcch_pdu->BWPSize = pdcch->BWPSize;
@@ -892,11 +893,8 @@ void nr_configure_pdcch(nfapi_nr_dl_tti_pdcch_pdu_rel15_t *pdcch_pdu,
   pdcch_pdu->InterleaverSize = pdcch->InterleaverSize;
   pdcch_pdu->ShiftIndex = pdcch->ShiftIndex;
 
-  if(coreset->controlResourceSetId == 0) {
-    pdcch_pdu->CoreSetType = NFAPI_NR_CSET_CONFIG_MIB_SIB1;
-  } else{
-    pdcch_pdu->CoreSetType = NFAPI_NR_CSET_CONFIG_PDCCH_CONFIG;
-  }
+  pdcch_pdu->CoreSetType =
+      (otherSI || coreset->controlResourceSetId != 0) ? NFAPI_NR_CSET_CONFIG_PDCCH_CONFIG : NFAPI_NR_CSET_CONFIG_MIB_SIB1;
 
   //precoderGranularity
   pdcch_pdu->precoderGranularity = coreset->precoderGranularity;
diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
index d091d486ff..77ad81a67e 100644
--- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
+++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
@@ -2558,7 +2558,7 @@ void nr_schedule_ulsch(module_id_t module_id, frame_t frame, sub_frame_t slot, n
       ul_dci_request_pdu->PDUSize = (uint8_t)(4+sizeof(nfapi_nr_dl_tti_pdcch_pdu));
       pdcch_pdu = &ul_dci_request_pdu->pdcch_pdu.pdcch_pdu_rel15;
       ul_dci_req->numPdus += 1;
-      nr_configure_pdcch(pdcch_pdu, coreset, &sched_ctrl->sched_pdcch);
+      nr_configure_pdcch(pdcch_pdu, coreset, &sched_ctrl->sched_pdcch, false);
       pdcch_pdu_coreset[coresetid] = pdcch_pdu;
     }
 
diff --git a/openair2/LAYER2/NR_MAC_gNB/mac_proto.h b/openair2/LAYER2/NR_MAC_gNB/mac_proto.h
index 9011e13f75..a869e172fd 100644
--- a/openair2/LAYER2/NR_MAC_gNB/mac_proto.h
+++ b/openair2/LAYER2/NR_MAC_gNB/mac_proto.h
@@ -46,7 +46,9 @@ void mac_top_init_gNB(ngran_node_t node_type,
 void nr_mac_send_f1_setup_req(void);
 
 void nr_mac_config_scc(gNB_MAC_INST *nrmac, NR_ServingCellConfigCommon_t *scc, const nr_mac_config_t *mac_config);
+void nr_fill_sched_osi(gNB_MAC_INST *nrmac, const struct NR_SetupRelease_PDCCH_ConfigCommon *pdcch_ConfigCommon);
 void nr_mac_configure_sib1(gNB_MAC_INST *nrmac, const f1ap_plmn_t *plmn, uint64_t cellID, int tac);
+void nr_mac_configure_sib19(gNB_MAC_INST *nrmac);
 
 bool nr_mac_add_test_ue(gNB_MAC_INST *nrmac, uint32_t rnti, NR_CellGroupConfig_t *CellGroup);
 bool nr_mac_prepare_ra_ue(gNB_MAC_INST *nrmac, uint32_t rnti, NR_CellGroupConfig_t *CellGroup);
@@ -86,6 +88,16 @@ void schedule_nr_sib1(module_id_t module_idP,
                       nfapi_nr_dl_tti_request_t *DL_req,
                       nfapi_nr_tx_data_request_t *TX_req);
 
+void schedule_nr_sib19(module_id_t module_idP,
+                      frame_t frameP,
+                      sub_frame_t slotP,
+                      nfapi_nr_dl_tti_request_t *DL_req,
+                      nfapi_nr_tx_data_request_t *TX_req, 
+                      int sib19_bcch_length,
+                      uint8_t *sib19_bcch_pdu);
+                    
+struct NR_SchedulingInfo2_r17* find_sib19_sched_info(const struct NR_SI_SchedulingInfo_v1700*);
+
 void schedule_nr_mib(module_id_t module_idP, frame_t frameP, sub_frame_t slotP, nfapi_nr_dl_tti_request_t *DL_req);
 
 /* \brief main UL scheduler function. Calls a preprocessor to decide on
@@ -202,7 +214,8 @@ void find_search_space(int ss_type,
 
 void nr_configure_pdcch(nfapi_nr_dl_tti_pdcch_pdu_rel15_t *pdcch_pdu,
                         NR_ControlResourceSet_t *coreset,
-                        NR_sched_pdcch_t *pdcch);
+                        NR_sched_pdcch_t *pdcch,
+                        bool otherSI);
 
 NR_sched_pdcch_t set_pdcch_structure(gNB_MAC_INST *gNB_mac,
                                      NR_SearchSpace_t *ss,
diff --git a/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h b/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h
index ea696faa71..1306652033 100644
--- a/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h
+++ b/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h
@@ -260,6 +260,7 @@ typedef struct {
   frame_type_t frame_type;
   NR_BCCH_BCH_Message_t *mib;
   NR_BCCH_DL_SCH_Message_t *sib1;
+  NR_BCCH_DL_SCH_Message_t *sib19;
   NR_ServingCellConfigCommon_t *ServingCellConfigCommon;
   /// pre-configured ServingCellConfig that is default for every UE
   NR_ServingCellConfig_t *pre_ServingCellConfig;
@@ -268,6 +269,9 @@ typedef struct {
   /// Outgoing BCCH pdu for PHY
   uint8_t sib1_bcch_pdu[NR_MAX_SIB_LENGTH / 8];
   int sib1_bcch_length;
+  /// used for sib19 data
+  uint8_t sib19_bcch_pdu[NR_MAX_SIB_LENGTH / 8];
+  int sib19_bcch_length;
   /// Template for RA computations
   NR_RA_t ra[NR_NB_RA_PROC_MAX];
   /// VRB map for common channels
@@ -663,6 +667,19 @@ typedef struct {
   seq_arr_t lc_config;
 } NR_UE_sched_ctrl_t;
 
+typedef struct {
+  NR_SearchSpace_t *search_space;
+  NR_ControlResourceSet_t *coreset;
+
+  NR_sched_pdcch_t sched_pdcch;
+  NR_sched_pdsch_t sched_pdsch;
+
+  uint32_t num_total_bytes;
+
+  int cce_index;
+  uint8_t aggregation_level;
+} NR_UE_sched_osi_ctrl_t;
+
 typedef struct {
   uicc_t *uicc;
 } NRUEcontext_t;
@@ -877,7 +894,9 @@ typedef struct gNB_MAC_INST_s {
 
   nr_mac_config_t radio_config;
 
+  NR_UE_sched_osi_ctrl_t *sched_osi;
   NR_UE_sched_ctrl_t *sched_ctrlCommon;
+
   uint16_t cset0_bwp_start;
   uint16_t cset0_bwp_size;
   NR_Type0_PDCCH_CSS_config_t type0_PDCCH_CSS_config[64];
diff --git a/openair2/RRC/NR/nr_rrc_config.c b/openair2/RRC/NR/nr_rrc_config.c
index 5631da4c0e..e3f310a4c9 100644
--- a/openair2/RRC/NR/nr_rrc_config.c
+++ b/openair2/RRC/NR/nr_rrc_config.c
@@ -2244,6 +2244,29 @@ NR_BCCH_DL_SCH_Message_t *get_SIB1_NR(const NR_ServingCellConfigCommon_t *scc,
 
   asn1cSeqAdd(&sib1->si_SchedulingInfo->schedulingInfoList.list,schedulingInfo);*/
 
+  // sib19 scheduling info
+  // ensure ntn-config is initialized 
+  if (scc->ext2 && scc->ext2->ntn_Config_r17) {
+    sib1->nonCriticalExtension = CALLOC(1, sizeof(struct NR_SIB1_v1610_IEs));
+    sib1->nonCriticalExtension->nonCriticalExtension = CALLOC(1, sizeof(struct NR_SIB1_v1630_IEs));
+    sib1->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension = CALLOC(1, sizeof(struct NR_SIB1_v1700_IEs));
+
+    struct NR_SI_SchedulingInfo_v1700 *sib_v17_scheduling_info = CALLOC(1, sizeof(struct NR_SI_SchedulingInfo_v1700));
+
+    struct NR_SchedulingInfo2_r17 *si_schedulinginfo2_r17 = CALLOC(1, sizeof(struct NR_SchedulingInfo2_r17));
+    si_schedulinginfo2_r17->si_BroadcastStatus_r17 = NR_SchedulingInfo2_r17__si_BroadcastStatus_r17_broadcasting;
+    si_schedulinginfo2_r17->si_WindowPosition_r17 = 2;
+    si_schedulinginfo2_r17->si_Periodicity_r17 = NR_SchedulingInfo2_r17__si_Periodicity_r17_rf8;
+
+    struct NR_SIB_TypeInfo_v1700 *sib_type_info = CALLOC(1, sizeof(struct NR_SIB_TypeInfo_v1700));
+    sib_type_info->sibType_r17.present = NR_SIB_TypeInfo_v1700__sibType_r17_PR_type1_r17;
+    sib_type_info->sibType_r17.choice.type1_r17 = NR_SIB_TypeInfo_v1700__sibType_r17__type1_r17_sibType19;
+
+    asn1cSeqAdd(&si_schedulinginfo2_r17->sib_MappingInfo_r17.list, sib_type_info);
+    asn1cSeqAdd(&sib_v17_scheduling_info->schedulingInfoList2_r17.list, si_schedulinginfo2_r17);
+    sib1->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->si_SchedulingInfo_v1700 = sib_v17_scheduling_info;
+  }
+
   // servingCellConfigCommon
   asn1cCalloc(sib1->servingCellConfigCommon, ServCellCom);
   NR_BWP_DownlinkCommon_t *initialDownlinkBWP = &ServCellCom->downlinkConfigCommon.initialDownlinkBWP;
@@ -2434,7 +2457,10 @@ NR_BCCH_DL_SCH_Message_t *get_SIB1_NR(const NR_ServingCellConfigCommon_t *scc,
   // nonCriticalExtension
   // TODO: add nonCriticalExtension
 
-  //xer_fprint(stdout, &asn_DEF_NR_SIB1, (const void*)sib1_message->message.choice.c1->choice.systemInformationBlockType1);
+  if (LOG_DEBUGFLAG(DEBUG_ASN1)) {
+    xer_fprint(stdout, &asn_DEF_NR_BCCH_DL_SCH_Message, sib1_message);
+  }
+
   return sib1_message;
 }
 
@@ -2454,6 +2480,53 @@ int encode_SIB1_NR(NR_BCCH_DL_SCH_Message_t *sib1, uint8_t *buffer, int max_buff
   return (enc_rval.encoded + 7) / 8;
 }
 
+NR_BCCH_DL_SCH_Message_t *get_SIB19_NR(const NR_ServingCellConfigCommon_t *scc)
+{
+  NR_BCCH_DL_SCH_Message_t *sib_message = CALLOC(1, sizeof(NR_BCCH_DL_SCH_Message_t));
+  sib_message->message.present = NR_BCCH_DL_SCH_MessageType_PR_c1;
+  sib_message->message.choice.c1 = CALLOC(1,sizeof(struct NR_BCCH_DL_SCH_MessageType__c1));
+  sib_message->message.choice.c1->present = NR_BCCH_DL_SCH_MessageType__c1_PR_systemInformation;
+  sib_message->message.choice.c1->choice.systemInformation = CALLOC(1,sizeof(struct NR_SystemInformation));
+
+  struct NR_SystemInformation *sib = sib_message->message.choice.c1->choice.systemInformation;
+  sib->criticalExtensions.present = NR_SystemInformation__criticalExtensions_PR_systemInformation;
+  sib->criticalExtensions.choice.systemInformation = CALLOC(1, sizeof(struct NR_SystemInformation_IEs));
+
+  struct NR_SystemInformation_IEs *ies = sib->criticalExtensions.choice.systemInformation;
+
+  SystemInformation_IEs__sib_TypeAndInfo__Member *sib19 = NULL;
+  sib19 = CALLOC(1, sizeof(SystemInformation_IEs__sib_TypeAndInfo__Member));
+  sib19->present = NR_SystemInformation_IEs__sib_TypeAndInfo__Member_PR_sib19_v1700;
+  sib19->choice.sib19_v1700 = CALLOC(1, sizeof(struct NR_SIB19_r17));
+
+  // use ntn-config from NR_ServingCellConfigCommon_t
+  const int copy_result = asn_copy(&asn_DEF_NR_NTN_Config_r17, (void **) &sib19->choice.sib19_v1700->ntn_Config_r17, scc->ext2->ntn_Config_r17);
+  AssertFatal(copy_result == 0, "Was unable to copy ntn_Config_r17 from scc to SIB19 structure\n");
+
+  asn1cSeqAdd(&ies->sib_TypeAndInfo.list, sib19);
+
+  if (LOG_DEBUGFLAG(DEBUG_ASN1)) {
+    xer_fprint(stdout, &asn_DEF_NR_BCCH_DL_SCH_Message, sib_message);
+  }
+
+  return sib_message;
+}
+
+int encode_SIB19_NR(NR_BCCH_DL_SCH_Message_t *sib19, uint8_t *buffer, int max_buffer_size)
+{
+  asn_enc_rval_t enc_rval;
+
+  enc_rval = uper_encode_to_buffer(&asn_DEF_NR_BCCH_DL_SCH_Message, NULL, sib19, buffer, 150);
+  AssertFatal(enc_rval.encoded > 0, "ASN1 message encoding failed (%s, %lu)!\n", enc_rval.failed_type->name, enc_rval.encoded);
+
+  return ((enc_rval.encoded + 7) / 8);
+}
+
+void free_SIB19_NR(NR_BCCH_DL_SCH_Message_t *sib19)
+{
+  ASN_STRUCT_FREE(asn_DEF_NR_BCCH_DL_SCH_Message, sib19);
+}
+
 static NR_PhysicalCellGroupConfig_t *configure_phy_cellgroup(void)
 {
   NR_PhysicalCellGroupConfig_t *physicalCellGroupConfig = calloc(1, sizeof(*physicalCellGroupConfig));
diff --git a/openair2/RRC/NR/nr_rrc_config.h b/openair2/RRC/NR/nr_rrc_config.h
index e3f4fed7cb..87640834e5 100644
--- a/openair2/RRC/NR/nr_rrc_config.h
+++ b/openair2/RRC/NR/nr_rrc_config.h
@@ -74,6 +74,10 @@ NR_BCCH_DL_SCH_Message_t *get_SIB1_NR(const NR_ServingCellConfigCommon_t *scc,
 void free_SIB1_NR(NR_BCCH_DL_SCH_Message_t *sib1);
 int encode_SIB1_NR(NR_BCCH_DL_SCH_Message_t *sib1, uint8_t *buffer, int max_buffer_size);
 
+NR_BCCH_DL_SCH_Message_t *get_SIB19_NR(const NR_ServingCellConfigCommon_t *scc);
+int encode_SIB19_NR(NR_BCCH_DL_SCH_Message_t *sib19, uint8_t *buffer, int max_buffer_size);
+void free_SIB19_NR(NR_BCCH_DL_SCH_Message_t *sib19);
+
 NR_CellGroupConfig_t *get_initial_cellGroupConfig(int uid,
                                                   const NR_ServingCellConfigCommon_t *scc,
                                                   const NR_ServingCellConfig_t *servingcellconfigdedicated,
diff --git a/targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band66.fr1.25PRB.usrpx300.conf b/targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band66.fr1.25PRB.usrpx300.conf
index 07beb41fb0..4e3ddd7f4a 100644
--- a/targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band66.fr1.25PRB.usrpx300.conf
+++ b/targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band66.fr1.25PRB.usrpx300.conf
@@ -165,6 +165,13 @@ gNBs =
     #ntn_Config_r17
 #      cellSpecificKoffset_r17                                       = 478; # GEO satellite
 #      cellSpecificKoffset_r17                                       = 40; # LEO satellite
+#      ta-Common-r17                                                 = 29319745;
+#      positionX-r17                                                 = 0;
+#      positionY-r17                                                 = 0;
+#      positionZ-r17                                                 = 32433846;
+#      velocityVX-r17                                                = 0;
+#      velocityVY-r17                                                = 0;
+#      velocityVZ-r17                                                = 0;
   }
 
   );