diff --git a/openair1/PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h b/openair1/PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h
index d3e7dd0621..3db43237a0 100644
--- a/openair1/PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h
+++ b/openair1/PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h
@@ -1007,7 +1007,23 @@ uint32_t  nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
                          uint8_t llr8_flag);
 
 int nr_ulsch_encoding(NR_UE_ULSCH_t *ulsch,
-                     NR_DL_FRAME_PARMS* frame_parms);
+                     NR_DL_FRAME_PARMS* frame_parms,
+                     uint8_t harq_pid);
+
+/*! \brief Perform PUSCH scrambling. TS 38.211 V15.4.0 subclause 6.3.1.1
+  @param[in] in Pointer to input bits
+  @param[in] size of input bits
+  @param[in] Nid cell id
+  @param[in] n_RNTI CRNTI
+  @param[out] out the scrambled bits
+*/
+
+void nr_pusch_codeword_scrambling(uint8_t *in,
+                         uint16_t size,
+                         uint32_t Nid,
+                         uint32_t n_RNTI,
+                         uint32_t* out);
+
 
 uint32_t  nr_dlsch_decoding_mthread(PHY_VARS_NR_UE *phy_vars_ue,
 						 UE_nr_rxtx_proc_t *proc,
diff --git a/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_coding.c b/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_coding.c
index 6b17eff585..4e46903ebf 100644
--- a/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_coding.c
+++ b/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_coding.c
@@ -189,14 +189,14 @@ NR_UE_ULSCH_t *new_nr_ue_ulsch(unsigned char N_RB_UL, int number_of_harq_pids, u
 
 
 int nr_ulsch_encoding(NR_UE_ULSCH_t *ulsch,
-                     NR_DL_FRAME_PARMS* frame_parms)
+                     NR_DL_FRAME_PARMS* frame_parms,
+                     uint8_t harq_pid)
 {
 
 /////////////////////////parameters and variables declaration/////////////////////////
 ///////////
 
   unsigned int G,crc;
-  uint8_t harq_pid;
   NR_UL_UE_HARQ_t *harq_process; 
   uint16_t nb_rb ;
   uint8_t nb_symb_sch ;
@@ -221,7 +221,6 @@ int nr_ulsch_encoding(NR_UE_ULSCH_t *ulsch,
 ///////////
 
   crc = 1;
-  harq_pid = 0;
   harq_process = ulsch->harq_processes[harq_pid];
   nb_rb = harq_process->nb_rb;
   nb_symb_sch = harq_process->nb_symbols;
diff --git a/openair1/SIMULATION/NR_PHY/ulschsim.c b/openair1/SIMULATION/NR_PHY/ulschsim.c
index 80121b3d7f..de3bd2fe62 100644
--- a/openair1/SIMULATION/NR_PHY/ulschsim.c
+++ b/openair1/SIMULATION/NR_PHY/ulschsim.c
@@ -52,7 +52,7 @@
 //#include "UTIL/LISTS/list.h"
 //#include "common/ran_context.h"
 
-//#define DEBUG_DLSCHSIM
+//#define DEBUG_ULSCHSIM
 
 PHY_VARS_gNB *gNB;
 PHY_VARS_NR_UE *UE;
@@ -544,7 +544,7 @@ int main(int argc, char **argv) {
 	////////////////////////////////////////////////////////////////////////////////////////////
 
 
-#ifdef DEBUG_DLSCHSIM
+#ifdef DEBUG_ULSCHSIM
 	for (i = 0; i < TBS / 8; i++) printf("test_input[i]=%d \n",test_input[i]);
 #endif
 
@@ -553,9 +553,13 @@ int main(int argc, char **argv) {
 
 	//printf("crc32: [0]->0x%08x\n",crc24c(test_input, 32));
 	// generate signal
+
+	/////////////////////////[adk] ULSCH coding/////////////////////////
+	///////////
+
 	if (input_fd == NULL) {
 		nr_dlsch_encoding(test_input, subframe, dlsch, frame_parms);
-		nr_ulsch_encoding(ulsch, frame_parms);
+		nr_ulsch_encoding(ulsch, frame_parms, harq_pid);
 	}
 
 	for (SNR = snr0; SNR < snr1; SNR += snr_step) {