diff --git a/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c b/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c
index 7b161ac23d..fcfa394d79 100644
--- a/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c
+++ b/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c
@@ -56,6 +56,8 @@ int generate_ue_ulsch_params(PHY_VARS_NR_UE *UE,
   NR_UE_ULSCH_t *ulsch_ue;
   NR_UL_UE_HARQ_t *harq_process_ul_ue;
 
+  LOG_W(PHY,"This function should not be used. Use FAPI interfaces instead\n");
+  
   //--------------------------Temporary configuration-----------------------------//
   length_dmrs = 1;
   n_rnti = 0x1234;
diff --git a/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c b/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
index 5cfea8115f..251726b81f 100644
--- a/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
+++ b/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
@@ -2485,12 +2485,13 @@ void phy_procedures_nrUE_TX(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t g
 
   harq_pid = 0; //temporary implementation
 
-
+  /*
   generate_ue_ulsch_params(ue,
                            0,
                            gNB_id,
                            harq_pid);
-
+  */
+  
   ulsch_ue = ue->ulsch[thread_id][gNB_id][0]; // cwd_index = 0
   harq_process_ul_ue = ulsch_ue->harq_processes[harq_pid];
 
diff --git a/openair1/SIMULATION/NR_PHY/dlsim.c b/openair1/SIMULATION/NR_PHY/dlsim.c
index 6de75681c9..c19dee134a 100644
--- a/openair1/SIMULATION/NR_PHY/dlsim.c
+++ b/openair1/SIMULATION/NR_PHY/dlsim.c
@@ -43,7 +43,7 @@
 #include "PHY/INIT/phy_init.h"
 #include "PHY/NR_TRANSPORT/nr_transport.h"
 #include "PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h"
-#include "PHY/phy_vars.h"
+#include "PHY/phy_vars_nr_ue.h"
 
 #include "SCHED_NR/sched_nr.h"
 #include "SCHED_NR/fapi_nr_l1.h"
diff --git a/openair1/SIMULATION/NR_PHY/ulsim.c b/openair1/SIMULATION/NR_PHY/ulsim.c
index 46ae206a3a..988f55dd02 100644
--- a/openair1/SIMULATION/NR_PHY/ulsim.c
+++ b/openair1/SIMULATION/NR_PHY/ulsim.c
@@ -54,7 +54,7 @@
 #include "SCHED_NR_UE/defs.h"
 #include "PHY/TOOLS/tools_defs.h"
 #include "PHY/NR_TRANSPORT/nr_sch_dmrs.h"
-#include "PHY/phy_vars.h"
+#include "PHY/phy_vars_nr_ue.h"
 #include "SCHED_NR_UE/fapi_nr_ue_l1.h"
 
 //#include "PHY/MODULATION/modulation_common.h"
@@ -67,8 +67,6 @@ PHY_VARS_gNB *gNB;
 PHY_VARS_NR_UE *UE;
 RAN_CONTEXT_t RC;
 
-
-
 double cpuf;
 
 // dummy functions
@@ -422,6 +420,10 @@ int main(int argc, char **argv) {
 
   //configure UE
   UE = malloc(sizeof(PHY_VARS_NR_UE));
+  memset((void*)UE,0,sizeof(PHY_VARS_NR_UE));
+  PHY_vars_UE_g = malloc(sizeof(PHY_VARS_NR_UE**));
+  PHY_vars_UE_g[0] = malloc(sizeof(PHY_VARS_NR_UE*));
+  PHY_vars_UE_g[0][0] = UE;
   memcpy(&UE->frame_parms, frame_parms, sizeof(NR_DL_FRAME_PARMS));
 
   //phy_init_nr_top(frame_parms);
@@ -502,11 +504,12 @@ int main(int argc, char **argv) {
   ul_config.ul_config_list[0].ulsch_config_pdu.ulsch_pdu_rel15.ndi = 0;
   ul_config.ul_config_list[0].ulsch_config_pdu.ulsch_pdu_rel15.rv = 0;
   ul_config.ul_config_list[0].ulsch_config_pdu.ulsch_pdu_rel15.n_layers = precod_nbr_layers;
+  ul_config.ul_config_list[0].ulsch_config_pdu.ulsch_pdu_rel15.harq_process_nbr = harq_pid;
   //there are plenty of other parameters that we don't seem to be using for now. e.g.
   //ul_config.ul_config_list[0].ulsch_config_pdu.ulsch_pdu_rel15.absolute_delta_PUSCH = 0; 
 
   // set FAPI parameters for UE, put them in the scheduled response and call 
-  //nr_ue_scheduled_response(&scheduled_response);
+  nr_ue_scheduled_response(&scheduled_response);
 
   unsigned char *estimated_output_bit;
   unsigned char *test_input_bit;