diff --git a/openair1/SCHED_NR/nr_ru_procedures.c b/openair1/SCHED_NR/nr_ru_procedures.c
index 5738da9690..c01b65c19a 100644
--- a/openair1/SCHED_NR/nr_ru_procedures.c
+++ b/openair1/SCHED_NR/nr_ru_procedures.c
@@ -135,7 +135,7 @@ void nr_feptx_ofdm_2thread(RU_t *ru,int frame_tx,int tti_tx) {
 
   start_meas(&ru->ofdm_total_stats);
 
-  if (nr_slot_select(cfg,frame_tx,slot)==NR_DOWNLINK_SLOT) {
+  //if (nr_slot_select(cfg,frame_tx,slot)==NR_DOWNLINK_SLOT) {
 
     if(ru->num_gNB != 0){//L1 RU on same machine
       VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_RU_FEPTX_OFDM , 1 );
@@ -229,7 +229,7 @@ void nr_feptx_ofdm_2thread(RU_t *ru,int frame_tx,int tti_tx) {
         }
       }//j<fp->symbols_per_slot
     }//else (RU only machine)
-  }
+  //}
   // wait all process to finish
   AssertFatal((ret=pthread_mutex_lock(&proc->mutex_feptx))==0,"mutex_lock return %d\n",ret);
   while (proc->feptx_mask != ofdm_mask_full) {
@@ -432,6 +432,7 @@ void nr_feptx_prec(RU_t *ru,int frame_tx,int tti_tx) {
   int32_t ***bw;
   int i=0;
   int slot_tx = tti_tx;
+  int txdataF_offset   = ((tti_tx%2)*fp->samples_per_slot_wCP);
 
   start_meas(&ru->precoding_stats);
   if (ru->num_gNB == 1){
@@ -441,7 +442,7 @@ void nr_feptx_prec(RU_t *ru,int frame_tx,int tti_tx) {
 
     for(i=0; i<fp->Lmax; ++i)
       memcpy((void*)ru->common.txdataF[i],
-           (void*)gNB->common_vars.txdataF[i],
+           (void*)&gNB->common_vars.txdataF[i][txdataF_offset],
            fp->samples_per_slot_wCP*sizeof(int32_t));
 
     if (ru->nb_tx == 1) {
diff --git a/openair1/SCHED_NR/phy_procedures_nr_gNB.c b/openair1/SCHED_NR/phy_procedures_nr_gNB.c
index 6b68f08ce5..6157f5955c 100644
--- a/openair1/SCHED_NR/phy_procedures_nr_gNB.c
+++ b/openair1/SCHED_NR/phy_procedures_nr_gNB.c
@@ -127,18 +127,18 @@ void nr_common_signal_procedures (PHY_VARS_gNB *gNB,int frame, int slot) {
 	nr_set_ssb_first_subcarrier(cfg, fp);  // setting the first subcarrier
 	
 	LOG_D(PHY,"SS TX: frame %d, slot %d, start_symbol %d\n",frame,slot, ssb_start_symbol);
-	nr_generate_pss(gNB->d_pss, txdataF[ssb_index], AMP, ssb_start_symbol, cfg, fp);
-	nr_generate_sss(gNB->d_sss, txdataF[ssb_index], AMP, ssb_start_symbol, cfg, fp);
+	nr_generate_pss(gNB->d_pss, &txdataF[ssb_index][txdataF_offset], AMP, ssb_start_symbol, cfg, fp);
+	nr_generate_sss(gNB->d_sss, &txdataF[ssb_index][txdataF_offset], AMP, ssb_start_symbol, cfg, fp);
 	
 	if (fp->Lmax == 4)
-	  nr_generate_pbch_dmrs(gNB->nr_gold_pbch_dmrs[n_hf][ssb_index],txdataF[ssb_index], AMP, ssb_start_symbol, cfg, fp);
+	  nr_generate_pbch_dmrs(gNB->nr_gold_pbch_dmrs[n_hf][ssb_index],&txdataF[ssb_index][txdataF_offset], AMP, ssb_start_symbol, cfg, fp);
 	else
-	  nr_generate_pbch_dmrs(gNB->nr_gold_pbch_dmrs[0][ssb_index],txdataF[ssb_index], AMP, ssb_start_symbol, cfg, fp);
+	  nr_generate_pbch_dmrs(gNB->nr_gold_pbch_dmrs[0][ssb_index],&txdataF[ssb_index][txdataF_offset], AMP, ssb_start_symbol, cfg, fp);
 	
 	nr_generate_pbch(&gNB->pbch,
 			 &gNB->ssb_pdu,
 			 gNB->nr_pbch_interleaver,
-			 txdataF[ssb_index],
+			 &txdataF[ssb_index][txdataF_offset],
 			 AMP,
 			 ssb_start_symbol,
 			 n_hf,fp->Lmax,
@@ -192,7 +192,7 @@ void phy_procedures_gNB_TX(PHY_VARS_gNB *gNB,
   if (gNB->pdcch_pdu || gNB->ul_dci_pdu) nr_generate_dci_top(gNB->pdcch_pdu,
 							     gNB->ul_dci_pdu,
 							     gNB->nr_gold_pdcch_dmrs[slot],
-							     gNB->common_vars.txdataF[0],
+							     &gNB->common_vars.txdataF[0][txdataF_offset],
 							     AMP, *fp);
 
   VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_ENB_PDCCH_TX,0);