diff --git a/cmake_targets/tools/build_helper b/cmake_targets/tools/build_helper
index 95f237ab330b9f04c16141d29bbd896171049bbd..d35f90fcce20a1f9c66e3470c013d1f0b65bcac8 100755
--- a/cmake_targets/tools/build_helper
+++ b/cmake_targets/tools/build_helper
@@ -197,8 +197,8 @@ check_warnings() {
 #argument:
 #    $1: log file
 check_errors() {
-  #we look for 'warning:' in the compilation log file
-  error_count=`grep "error:" "$1" | wc -l`
+  #we look for 'error:' in the compilation log file
+  error_count=`grep -c "error:" "$1"`
   if [ $error_count -gt 0 ]; then
     echo_error "ERROR: $error_count error. See $1"
   fi
diff --git a/openair1/PHY/LTE_ESTIMATION/lte_ul_channel_estimation.c b/openair1/PHY/LTE_ESTIMATION/lte_ul_channel_estimation.c
index c867292942f840d3bffd2891769ddf9b0d4dc7ca..9327fe9fe89a255249794470e4160ec440732406 100644
--- a/openair1/PHY/LTE_ESTIMATION/lte_ul_channel_estimation.c
+++ b/openair1/PHY/LTE_ESTIMATION/lte_ul_channel_estimation.c
@@ -41,10 +41,10 @@ extern int16_t *ul_ref_sigs_rx[30][2][34];
 
 int32_t lte_ul_channel_estimation(LTE_DL_FRAME_PARMS *frame_parms,
                                   L1_rxtx_proc_t *proc,
-                        				  LTE_eNB_ULSCH_t * ulsch,
-				                          int32_t **ul_ch_estimates,
-				                          int32_t **ul_ch_estimates_time,
-				                          int32_t **rxdataF_ext,
+				  LTE_eNB_ULSCH_t * ulsch,
+				  int32_t **ul_ch_estimates,
+				  int32_t **ul_ch_estimates_time,
+				  int32_t **rxdataF_ext,
                                   module_id_t UE_id,
                                   unsigned char l,
                                   unsigned char Ns) {
@@ -88,7 +88,7 @@ int32_t lte_ul_channel_estimation(LTE_DL_FRAME_PARMS *frame_parms,
   }
 
   uint16_t N_rb_alloc = ulsch->harq_processes[harq_pid]->nb_rb;
-  int32_t tmp_estimates[N_rb_alloc*12] __attribute__((aligned(16)));
+  int32_t tmp_estimates[N_rb_alloc*12] __attribute__((aligned(32)));
   Msc_RS = N_rb_alloc*12;
   cyclic_shift = (frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.cyclicShift +
                   ulsch->harq_processes[harq_pid]->n_DMRS2 +
@@ -334,14 +334,14 @@ int32_t lte_ul_channel_estimation(LTE_DL_FRAME_PARMS *frame_parms,
             current_phase2 = cmin(abs(current_phase2),127);
             //          msg("sym: %d, current_phase1: %d, ru: %d + j%d, current_phase2: %d, ru: %d + j%d\n",k,current_phase1,ru1[2*current_phase1],ru1[2*current_phase1+1],current_phase2,ru2[2*current_phase2],ru2[2*current_phase2+1]);
             // rotate channel estimates by estimated phase
-            rotate_cpx_vector((int16_t *) ul_ch1,
-                              &ru1[2*current_phase1],
-                              (int16_t *) &ul_ch_estimates[aa][frame_parms->N_RB_UL*12*k],
+            rotate_cpx_vector((c16_t *) ul_ch1,
+                              (c16_t *)&ru1[2*current_phase1],
+                              (c16_t *) &ul_ch_estimates[aa][frame_parms->N_RB_UL*12*k],
                               Msc_RS,
                               15);
-            rotate_cpx_vector((int16_t *) ul_ch2,
-                              &ru2[2*current_phase2],
-                              (int16_t *) &tmp_estimates[0],
+            rotate_cpx_vector((c16_t *) ul_ch2,
+                              (c16_t *)&ru2[2*current_phase2],
+                              (c16_t *) tmp_estimates,
                               Msc_RS,
                               15);
             // Combine the two rotated estimates
@@ -657,14 +657,14 @@ int32_t lte_ul_channel_estimation_RRU(LTE_DL_FRAME_PARMS *frame_parms,
           current_phase2 = cmin(abs(current_phase2),127);
           //          msg("sym: %d, current_phase1: %d, ru: %d + j%d, current_phase2: %d, ru: %d + j%d\n",k,current_phase1,ru1[2*current_phase1],ru1[2*current_phase1+1],current_phase2,ru2[2*current_phase2],ru2[2*current_phase2+1]);
           // rotate channel estimates by estimated phase
-          rotate_cpx_vector((int16_t *) ul_ch1,
-                            &ru1[2*current_phase1],
-                            (int16_t *) &ul_ch_estimates[aa][frame_parms->N_RB_UL*12*k],
+          rotate_cpx_vector((c16_t *) ul_ch1,
+                            (c16_t *) &ru1[2*current_phase1],
+                            (c16_t *) &ul_ch_estimates[aa][frame_parms->N_RB_UL*12*k],
                             Msc_RS,
                             15);
-          rotate_cpx_vector((int16_t *) ul_ch2,
-                            &ru2[2*current_phase2],
-                            (int16_t *) &tmp_estimates[0],
+          rotate_cpx_vector((c16_t *) ul_ch2,
+                            (c16_t *) &ru2[2*current_phase2],
+                            (c16_t *) &tmp_estimates[0],
                             Msc_RS,
                             15);
           // Combine the two rotated estimates
diff --git a/openair1/PHY/MODULATION/nr_modulation.c b/openair1/PHY/MODULATION/nr_modulation.c
index 8352a7f5a64a00bb45a2abb8a0e0a7b21b0f6159..8ebd70fb92e8ce9083a64efa2d3f50cce5d97437 100644
--- a/openair1/PHY/MODULATION/nr_modulation.c
+++ b/openair1/PHY/MODULATION/nr_modulation.c
@@ -618,20 +618,20 @@ void init_symbol_rotation(NR_DL_FRAME_PARMS *fp) {
 
     double f0 = f[ll];
     double Ncpm1 = Ncp0;
-    int16_t *symbol_rotation = fp->symbol_rotation[ll];
+    c16_t *symbol_rotation = fp->symbol_rotation[ll];
 
     double tl = 0;
     double poff = 2 * M_PI * ((Ncp0 * Tc)) * f0;
     double exp_re = cos(poff);
     double exp_im = sin(-poff);
-    symbol_rotation[0] = (int16_t)floor(exp_re * 32767);
-    symbol_rotation[1] = (int16_t)floor(exp_im * 32767);
+    symbol_rotation[0].r = (int16_t)floor(exp_re * 32767);
+    symbol_rotation[0].i = (int16_t)floor(exp_im * 32767);
     LOG_I(PHY, "Doing symbol rotation calculation for gNB TX/RX, f0 %f Hz, Nsymb %d\n", f0, nsymb);
     LOG_I(PHY, "Symbol rotation %d/%d => (%d,%d)\n",
       0,
       nsymb,
-      symbol_rotation[0],
-      symbol_rotation[1]);
+      symbol_rotation[0].r,
+      symbol_rotation[0].i);
 
     for (int l = 1; l < nsymb; l++) {
 
@@ -646,15 +646,15 @@ void init_symbol_rotation(NR_DL_FRAME_PARMS *fp) {
       poff = 2 * M_PI * (tl + (Ncp * Tc)) * f0;
       exp_re = cos(poff);
       exp_im = sin(-poff);
-      symbol_rotation[l<<1] = (int16_t)floor(exp_re * 32767);
-      symbol_rotation[1 + (l<<1)] = (int16_t)floor(exp_im * 32767);
+      symbol_rotation[l].r = (int16_t)floor(exp_re * 32767);
+      symbol_rotation[l].i = (int16_t)floor(exp_im * 32767);
 
       LOG_I(PHY, "Symbol rotation %d/%d => tl %f (%d,%d) (%f)\n",
         l,
         nsymb,
         tl,
-        symbol_rotation[l<<1],
-        symbol_rotation[1 + (l<<1)],
+        symbol_rotation[l].r,
+        symbol_rotation[l].i,
         (poff / 2 / M_PI) - floor(poff / 2 / M_PI));
 
       Ncpm1 = Ncp;
@@ -670,13 +670,13 @@ void init_timeshift_rotation(NR_DL_FRAME_PARMS *fp)
     double poff = -i * 2.0 * M_PI * sample_offset / fp->ofdm_symbol_size;
     double exp_re = cos(poff);
     double exp_im = sin(-poff);
-    fp->timeshift_symbol_rotation[i*2] = (int16_t)round(exp_re * 32767);
-    fp->timeshift_symbol_rotation[i*2+1] = (int16_t)round(exp_im * 32767);
+    fp->timeshift_symbol_rotation[i].r = (int16_t)round(exp_re * 32767);
+    fp->timeshift_symbol_rotation[i].i = (int16_t)round(exp_im * 32767);
 
     if (i < 10)
       LOG_I(PHY,"Timeshift symbol rotation %d => (%d,%d) %f\n",i,
-            fp->timeshift_symbol_rotation[i*2],
-            fp->timeshift_symbol_rotation[i*2+1],
+            fp->timeshift_symbol_rotation[i].r,
+            fp->timeshift_symbol_rotation[i].i,
             poff);
   }
 }
diff --git a/openair1/PHY/MODULATION/ofdm_mod.c b/openair1/PHY/MODULATION/ofdm_mod.c
index 2f075e8218d7da918b8826a6167014aef7e93d95..0b8f22a0943ef920fd4a37f2951cfa312f84bbdf 100644
--- a/openair1/PHY/MODULATION/ofdm_mod.c
+++ b/openair1/PHY/MODULATION/ofdm_mod.c
@@ -46,18 +46,18 @@ void normal_prefix_mod(int32_t *txdataF,int32_t *txdata,uint8_t nsymb,LTE_DL_FRA
 
   
   PHY_ofdm_mod(txdataF,        // input
-	       txdata,         // output
-	       frame_parms->ofdm_symbol_size,                
+               txdata,         // output
+               frame_parms->ofdm_symbol_size,                
 
-	       1,                 // number of symbols
-	       frame_parms->nb_prefix_samples0,               // number of prefix samples
-	       CYCLIC_PREFIX);
+               1,                 // number of symbols
+               frame_parms->nb_prefix_samples0,               // number of prefix samples
+               CYCLIC_PREFIX);
   PHY_ofdm_mod(txdataF+frame_parms->ofdm_symbol_size,        // input
-	       txdata+OFDM_SYMBOL_SIZE_COMPLEX_SAMPLES0,         // output
-	       frame_parms->ofdm_symbol_size,                
-	       nsymb-1,
-	       frame_parms->nb_prefix_samples,               // number of prefix samples
-	       CYCLIC_PREFIX);
+               txdata+OFDM_SYMBOL_SIZE_COMPLEX_SAMPLES0,         // output
+               frame_parms->ofdm_symbol_size,                
+               nsymb-1,
+               frame_parms->nb_prefix_samples,               // number of prefix samples
+               CYCLIC_PREFIX);
   
 
   
@@ -341,14 +341,14 @@ void do_OFDM_mod(int32_t **txdataF, int32_t **txdata, uint32_t frame,uint16_t ne
 }
 
 void apply_nr_rotation(NR_DL_FRAME_PARMS *fp,
-		       int16_t* trxdata,
-		       int slot,
-		       int first_symbol,
-		       int nsymb,
-		       int length) {
+                       int16_t* trxdata,
+                       int slot,
+                       int first_symbol,
+                       int nsymb,
+                       int length) {
   int symb_offset = (slot%fp->slots_per_subframe)*fp->symbols_per_slot;
 
-  int16_t *symbol_rotation = fp->symbol_rotation[0];
+  c16_t *symbol_rotation = fp->symbol_rotation[0];
 
   for (int sidx=0;sidx<nsymb;sidx++) {
 
@@ -357,14 +357,14 @@ void apply_nr_rotation(NR_DL_FRAME_PARMS *fp,
       slot,
       sidx + first_symbol + symb_offset,
       length,
-      symbol_rotation[2 * (sidx + first_symbol + symb_offset)],
-      symbol_rotation[1 + 2 * (sidx + first_symbol + symb_offset)]);
+      symbol_rotation[sidx + first_symbol + symb_offset].r,
+      symbol_rotation[sidx + first_symbol + symb_offset].i);
 
-    rotate_cpx_vector(trxdata + (sidx * length * 2),
-                      &symbol_rotation[2 * (sidx + first_symbol + symb_offset)],
-                      trxdata + (sidx * length * 2),
+    rotate_cpx_vector(((c16_t*) trxdata) + sidx * length,
+                      symbol_rotation + sidx + first_symbol + symb_offset,
+                      ((c16_t*) trxdata) + sidx * length,
                       length,
                       15);
   }
 }
-		       
+                       
diff --git a/openair1/PHY/MODULATION/slot_fep_nr.c b/openair1/PHY/MODULATION/slot_fep_nr.c
index 139b730ce1bb515046340fef8fc6394d5c22451a..548db21878e5fb870ab547d62f1c148db456666c 100644
--- a/openair1/PHY/MODULATION/slot_fep_nr.c
+++ b/openair1/PHY/MODULATION/slot_fep_nr.c
@@ -98,25 +98,25 @@ int nr_slot_fep(PHY_VARS_NR_UE *ue,
     stop_meas(&ue->rx_dft_stats);
 
     int symb_offset = (Ns%frame_parms->slots_per_subframe)*frame_parms->symbols_per_slot;
-    int32_t rot2 = ((uint32_t*)frame_parms->symbol_rotation[0])[symbol+symb_offset];
-    ((int16_t*)&rot2)[1]=-((int16_t*)&rot2)[1];
+    c16_t rot2 = frame_parms->symbol_rotation[0][symbol+symb_offset];
+    rot2.i=-rot2.i;
 
 #ifdef DEBUG_FEP
     //  if (ue->frame <100)
     printf("slot_fep: slot %d, symbol %d rx_offset %u, rotation symbol %d %d.%d\n", Ns,symbol, rx_offset,
-	   symbol+symb_offset,((int16_t*)&rot2)[0],((int16_t*)&rot2)[1]);
+	   symbol+symb_offset,rot2.r,rot2.i);
 #endif
 
-    rotate_cpx_vector((int16_t *)&common_vars->common_vars_rx_data_per_thread[proc->thread_id].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],
-		      (int16_t*)&rot2,
-		      (int16_t *)&common_vars->common_vars_rx_data_per_thread[proc->thread_id].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],
+    rotate_cpx_vector((c16_t *)&common_vars->common_vars_rx_data_per_thread[proc->thread_id].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],
+		      &rot2,
+		      (c16_t *)&common_vars->common_vars_rx_data_per_thread[proc->thread_id].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],
 		      frame_parms->ofdm_symbol_size,
 		      15);
 
-    int16_t *shift_rot = frame_parms->timeshift_symbol_rotation;
+    c16_t *shift_rot = frame_parms->timeshift_symbol_rotation;
 
     multadd_cpx_vector((int16_t *)&common_vars->common_vars_rx_data_per_thread[proc->thread_id].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],
-          shift_rot,
+          (int16_t *)shift_rot,
           (int16_t *)&common_vars->common_vars_rx_data_per_thread[proc->thread_id].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],
           1,
           frame_parms->ofdm_symbol_size,
@@ -214,18 +214,18 @@ int nr_slot_fep_init_sync(PHY_VARS_NR_UE *ue,
     stop_meas(&ue->rx_dft_stats);
 
     int symb_offset = (Ns%frame_parms->slots_per_subframe)*frame_parms->symbols_per_slot;
-    int32_t rot2 = ((uint32_t*)frame_parms->symbol_rotation[0])[symbol + symb_offset];
-    ((int16_t*)&rot2)[1]=-((int16_t*)&rot2)[1];
+    c16_t rot2 = frame_parms->symbol_rotation[0][symbol + symb_offset];
+    rot2.i=-rot2.i;
 
 #ifdef DEBUG_FEP
     //  if (ue->frame <100)
     printf("slot_fep: slot %d, symbol %d rx_offset %u, rotation symbol %d %d.%d\n", Ns,symbol, rx_offset,
-	   symbol+symb_offset,((int16_t*)&rot2)[0],((int16_t*)&rot2)[1]);
+	   symbol+symb_offset,rot2.r,rot2.i);
 #endif
 
-    rotate_cpx_vector((int16_t *)&common_vars->common_vars_rx_data_per_thread[proc->thread_id].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],
-		      (int16_t*)&rot2,
-		      (int16_t *)&common_vars->common_vars_rx_data_per_thread[proc->thread_id].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],
+    rotate_cpx_vector((c16_t *)&common_vars->common_vars_rx_data_per_thread[proc->thread_id].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],
+		      &rot2,
+		      (c16_t *)&common_vars->common_vars_rx_data_per_thread[proc->thread_id].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],
 		      frame_parms->ofdm_symbol_size,
 		      15);
   }
@@ -310,19 +310,19 @@ void apply_nr_rotation_ul(NR_DL_FRAME_PARMS *frame_parms,
 
   for (int symbol=first_symbol;symbol<nsymb;symbol++) {
     
-    uint32_t rot2 = ((uint32_t*)frame_parms->symbol_rotation[1])[symbol + symb_offset];
-    ((int16_t*)&rot2)[1]=-((int16_t*)&rot2)[1];
-    LOG_D(PHY,"slot %d, symb_offset %d rotating by %d.%d\n",slot,symb_offset,((int16_t*)&rot2)[0],((int16_t*)&rot2)[1]);
-    rotate_cpx_vector((int16_t *)&rxdataF[soffset+(frame_parms->ofdm_symbol_size*symbol)],
-		      (int16_t*)&rot2,
-		      (int16_t *)&rxdataF[soffset+(frame_parms->ofdm_symbol_size*symbol)],
+    c16_t rot2 = frame_parms->symbol_rotation[1][symbol + symb_offset];
+    rot2.i=-rot2.i;
+    LOG_D(PHY,"slot %d, symb_offset %d rotating by %d.%d\n",slot,symb_offset,rot2.r,rot2.i);
+    rotate_cpx_vector((c16_t *)&rxdataF[soffset+(frame_parms->ofdm_symbol_size*symbol)],
+		      &rot2,
+		      (c16_t *)&rxdataF[soffset+(frame_parms->ofdm_symbol_size*symbol)],
 		      length,
 		      15);
 
-    int16_t *shift_rot = frame_parms->timeshift_symbol_rotation;
+    c16_t *shift_rot = frame_parms->timeshift_symbol_rotation;
 
     multadd_cpx_vector((int16_t *)&rxdataF[soffset+(frame_parms->ofdm_symbol_size*symbol)],
-          shift_rot,
+          (int16_t *)shift_rot,
           (int16_t *)&rxdataF[soffset+(frame_parms->ofdm_symbol_size*symbol)],
           1,
           length,
diff --git a/openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c b/openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c
index cd3b535b3fd8024b1a3040bd1d1ecd53823bb446..fe23e1b56f7be7e868a5d41c85f50a4d10a1ddf3 100644
--- a/openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c
+++ b/openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c
@@ -854,7 +854,6 @@ void nr_pusch_ptrs_processing(PHY_VARS_gNB *gNB,
                               uint32_t nb_re_pusch)
 {
   //#define DEBUG_UL_PTRS 1
-  int16_t *phase_per_symbol = NULL;
   int32_t *ptrs_re_symbol   = NULL;
   int8_t   ret = 0;
 
@@ -871,20 +870,20 @@ void nr_pusch_ptrs_processing(PHY_VARS_gNB *gNB,
   uint8_t  *ptrsReOffset    = &rel15_ul->pusch_ptrs.ptrs_ports_list[0].ptrs_re_offset;
   /* loop over antennas */
   for (int aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) {
-    phase_per_symbol = (int16_t*)gNB->pusch_vars[ulsch_id]->ptrs_phase_per_slot[aarx];
+    c16_t *phase_per_symbol = (c16_t*)gNB->pusch_vars[ulsch_id]->ptrs_phase_per_slot[aarx];
     ptrs_re_symbol = &gNB->pusch_vars[ulsch_id]->ptrs_re_per_slot;
     *ptrs_re_symbol = 0;
-    phase_per_symbol[(2*symbol)+1] = 0; // Imag
+    phase_per_symbol[symbol].i = 0; 
     /* set DMRS estimates to 0 angle with magnitude 1 */
     if(is_dmrs_symbol(symbol,*dmrsSymbPos)) {
       /* set DMRS real estimation to 32767 */
-      phase_per_symbol[2*symbol]=(int16_t)((1<<15)-1); // 32767
+      phase_per_symbol[symbol].r=INT16_MAX; // 32767
 #ifdef DEBUG_UL_PTRS
-      printf("[PHY][PTRS]: DMRS Symbol %d -> %4d + j*%4d\n", symbol, phase_per_symbol[2*symbol],phase_per_symbol[(2*symbol)+1]);
+      printf("[PHY][PTRS]: DMRS Symbol %d -> %4d + j*%4d\n", symbol, phase_per_symbol[symbol].r,phase_per_symbol[symbol].i);
 #endif
     }
     else {// real ptrs value is set to 0
-      phase_per_symbol[2*symbol] = 0; // Real
+      phase_per_symbol[symbol].r = 0; 
     }
 
     if(symbol == *startSymbIndex) {
@@ -909,7 +908,7 @@ void nr_pusch_ptrs_processing(PHY_VARS_gNB *gNB,
                              symbol,frame_parms->ofdm_symbol_size,
                              (int16_t*)&gNB->pusch_vars[ulsch_id]->rxdataF_comp[aarx][(symbol * nb_re_pusch)],
                              gNB->nr_gold_pusch_dmrs[rel15_ul->scid][nr_tti_rx][symbol],
-                             &phase_per_symbol[2* symbol],
+                             (int16_t*)&phase_per_symbol[symbol],
                              ptrs_re_symbol);
     }
     /* For last OFDM symbol at each antenna perform interpolation and compensation for the slot*/
@@ -919,7 +918,7 @@ void nr_pusch_ptrs_processing(PHY_VARS_gNB *gNB,
       /*------------------------------------------------------------------------------------------------------- */
       /* If L-PTRS is > 0 then we need interpolation */
       if(*L_ptrs > 0) {
-        ret = nr_ptrs_process_slot(*dmrsSymbPos, *ptrsSymbPos, phase_per_symbol, *startSymbIndex, *nbSymb);
+        ret = nr_ptrs_process_slot(*dmrsSymbPos, *ptrsSymbPos, (int16_t*)phase_per_symbol, *startSymbIndex, *nbSymb);
         if(ret != 0) {
           LOG_W(PHY,"[PTRS] Compensation is skipped due to error in PTRS slot processing !!\n");
         }
@@ -938,11 +937,11 @@ void nr_pusch_ptrs_processing(PHY_VARS_gNB *gNB,
         /* Skip rotation if the slot processing is wrong */
         if((!is_dmrs_symbol(i,*dmrsSymbPos)) && (ret == 0)) {
 #ifdef DEBUG_UL_PTRS
-          printf("[PHY][UL][PTRS]: Rotate Symbol %2d with  %d + j* %d\n", i, phase_per_symbol[2* i],phase_per_symbol[(2* i) +1]);
+          printf("[PHY][UL][PTRS]: Rotate Symbol %2d with  %d + j* %d\n", i, phase_per_symbol[i].r,phase_per_symbol[i].i);
 #endif
-          rotate_cpx_vector((int16_t*)&gNB->pusch_vars[ulsch_id]->rxdataF_comp[aarx][(i * rel15_ul->rb_size * NR_NB_SC_PER_RB)],
-                            &phase_per_symbol[2* i],
-                            (int16_t*)&gNB->pusch_vars[ulsch_id]->rxdataF_comp[aarx][(i * rel15_ul->rb_size * NR_NB_SC_PER_RB)],
+          rotate_cpx_vector((c16_t*)&gNB->pusch_vars[ulsch_id]->rxdataF_comp[aarx][(i * rel15_ul->rb_size * NR_NB_SC_PER_RB)],
+                            &phase_per_symbol[i],
+                            (c16_t*)&gNB->pusch_vars[ulsch_id]->rxdataF_comp[aarx][(i * rel15_ul->rb_size * NR_NB_SC_PER_RB)],
                             ((*nb_rb) * NR_NB_SC_PER_RB), 15);
         }// if not DMRS Symbol
       }// symbol loop
diff --git a/openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c b/openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
index 8936a69e70b764738ecb9cc818b1890116346282..ba7e61afe67b6972d542d35144c9ced773845b9c 100644
--- a/openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
+++ b/openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
@@ -1657,7 +1657,6 @@ void nr_pdsch_ptrs_processing(PHY_VARS_NR_UE *ue,
                               RX_type_t rx_type)
 {
   //#define DEBUG_DL_PTRS 1
-  int16_t *phase_per_symbol = NULL;
   int32_t *ptrs_re_symbol = NULL;
   int8_t   ret = 0;
   /* harq specific variables */
@@ -1701,20 +1700,20 @@ void nr_pdsch_ptrs_processing(PHY_VARS_NR_UE *ue,
   }
   /* loop over antennas */
   for (int aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) {
-    phase_per_symbol = (int16_t*)pdsch_vars[gNB_id]->ptrs_phase_per_slot[aarx];
+    c16_t *phase_per_symbol = (c16_t*)pdsch_vars[gNB_id]->ptrs_phase_per_slot[aarx];
     ptrs_re_symbol = (int32_t*)pdsch_vars[gNB_id]->ptrs_re_per_slot[aarx];
     ptrs_re_symbol[symbol] = 0;
-    phase_per_symbol[(2*symbol)+1] = 0; // Imag
+    phase_per_symbol[symbol].i = 0; // Imag
     /* set DMRS estimates to 0 angle with magnitude 1 */
     if(is_dmrs_symbol(symbol,*dmrsSymbPos)) {
       /* set DMRS real estimation to 32767 */
-      phase_per_symbol[2*symbol]=(int16_t)((1<<15)-1); // 32767
+      phase_per_symbol[symbol].r=INT16_MAX; // 32767
 #ifdef DEBUG_DL_PTRS
-      printf("[PHY][PTRS]: DMRS Symbol %d -> %4d + j*%4d\n", symbol, phase_per_symbol[2*symbol],phase_per_symbol[(2*symbol)+1]);
+      printf("[PHY][PTRS]: DMRS Symbol %d -> %4d + j*%4d\n", symbol, phase_per_symbol[symbol].r,phase_per_symbol[symbol].i);
 #endif
     }
     else { // real ptrs value is set to 0
-      phase_per_symbol[2*symbol] = 0; // Real
+      phase_per_symbol[symbol].r = 0; // Real
     }
 
     if(dlsch0_harq->status == ACTIVE) {
@@ -1740,7 +1739,7 @@ void nr_pdsch_ptrs_processing(PHY_VARS_NR_UE *ue,
                                symbol,frame_parms->ofdm_symbol_size,
                                (int16_t*)&pdsch_vars[gNB_id]->rxdataF_comp0[aarx][(symbol * nb_re_pdsch)],
                                ue->nr_gold_pdsch[gNB_id][nr_slot_rx][symbol][0],
-                               &phase_per_symbol[2* symbol],
+                               (int16_t*)&phase_per_symbol[symbol],
                                &ptrs_re_symbol[symbol]);
       }
     }// HARQ 0
@@ -1752,7 +1751,7 @@ void nr_pdsch_ptrs_processing(PHY_VARS_NR_UE *ue,
       /*------------------------------------------------------------------------------------------------------- */
       /* If L-PTRS is > 0 then we need interpolation */
       if(*L_ptrs > 0) {
-        ret = nr_ptrs_process_slot(*dmrsSymbPos, *ptrsSymbPos, phase_per_symbol, *startSymbIndex, *nbSymb);
+        ret = nr_ptrs_process_slot(*dmrsSymbPos, *ptrsSymbPos, (int16_t*)phase_per_symbol, *startSymbIndex, *nbSymb);
         if(ret != 0) {
           LOG_W(PHY,"[PTRS] Compensation is skipped due to error in PTRS slot processing !!\n");
         }
@@ -1771,11 +1770,11 @@ void nr_pdsch_ptrs_processing(PHY_VARS_NR_UE *ue,
         /* Skip rotation if the slot processing is wrong */
         if((!is_dmrs_symbol(i,*dmrsSymbPos)) && (ret == 0)) {
 #ifdef DEBUG_DL_PTRS
-          printf("[PHY][DL][PTRS]: Rotate Symbol %2d with  %d + j* %d\n", i, phase_per_symbol[2* i],phase_per_symbol[(2* i) +1]);
+          printf("[PHY][DL][PTRS]: Rotate Symbol %2d with  %d + j* %d\n", i, phase_per_symbol[i].r,phase_per_symbol[i].i);
 #endif
-          rotate_cpx_vector((int16_t*)&pdsch_vars[gNB_id]->rxdataF_comp0[aarx][(i * (*nb_rb) * NR_NB_SC_PER_RB)],
-                            &phase_per_symbol[2* i],
-                            (int16_t*)&pdsch_vars[gNB_id]->rxdataF_comp0[aarx][(i * (*nb_rb) * NR_NB_SC_PER_RB)],
+          rotate_cpx_vector((c16_t*)&pdsch_vars[gNB_id]->rxdataF_comp0[aarx][(i * (*nb_rb) * NR_NB_SC_PER_RB)],
+                            &phase_per_symbol[i],
+                            (c16_t*)&pdsch_vars[gNB_id]->rxdataF_comp0[aarx][(i * (*nb_rb) * NR_NB_SC_PER_RB)],
                             ((*nb_rb) * NR_NB_SC_PER_RB), 15);
         }// if not DMRS Symbol
       }// symbol loop
diff --git a/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c b/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c
index a07a19d085f43c0628416d699595fdaf09126d43..eaeffd08099a987c9c848d9043fb5a862311dace 100644
--- a/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c
+++ b/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c
@@ -597,17 +597,15 @@ uint8_t nr_ue_pusch_common_procedures(PHY_VARS_NR_UE *UE,
   int symb_offset = (slot%frame_parms->slots_per_subframe)*frame_parms->symbols_per_slot;
   for(ap = 0; ap < n_antenna_ports; ap++) {
     for (int s=0;s<NR_NUMBER_OF_SYMBOLS_PER_SLOT;s++){
-
-      LOG_D(PHY,"In %s: rotating txdataF symbol %d (%d) => (%d.%d)\n",
-        __FUNCTION__,
-        s,
-        s + symb_offset,
-        frame_parms->symbol_rotation[1][2 * (s + symb_offset)],
-        frame_parms->symbol_rotation[1][1 + (2 * (s + symb_offset))]);
-
-      rotate_cpx_vector((int16_t *)&txdataF[ap][frame_parms->ofdm_symbol_size * s],
-                        &frame_parms->symbol_rotation[1][2 * (s + symb_offset)],
-                        (int16_t *)&txdataF[ap][frame_parms->ofdm_symbol_size * s],
+      c16_t rot=((c16_t*)frame_parms->symbol_rotation[1])[s + symb_offset];
+      LOG_D(PHY,"rotating txdataF symbol %d (%d) => (%d.%d)\n",
+	    s,
+	    s + symb_offset,
+	    rot.r, rot.i);
+
+      rotate_cpx_vector((c16_t *)&txdataF[ap][frame_parms->ofdm_symbol_size * s],
+                        &rot,
+                        (c16_t *)&txdataF[ap][frame_parms->ofdm_symbol_size * s],
                         frame_parms->ofdm_symbol_size,
                         15);
     }
diff --git a/openair1/PHY/TOOLS/cmult_sv.c b/openair1/PHY/TOOLS/cmult_sv.c
index dc57964ca52a60ff699ff0d0066c5376512ce5ec..a9d502b9eb1b5d7a9ff0259030af7324389394c7 100644
--- a/openair1/PHY/TOOLS/cmult_sv.c
+++ b/openair1/PHY/TOOLS/cmult_sv.c
@@ -144,207 +144,10 @@ void multadd_real_four_symbols_vector_complex_scalar(int16_t *x,
   _m_empty();
 
 }
-
-/*
-int rotate_cpx_vector(int16_t *x,
-                      int16_t *alpha,
-                      int16_t *y,
-                      uint32_t N,
-                      uint16_t output_shift,
-                      uint8_t format)
-{
-  // Multiply elementwise two complex vectors of N elements
-  // x        - input 1    in the format  |Re0  Im0 Re0 Im0|,......,|Re(N-1)  Im(N-1) Re(N-1) Im(N-1)|
-  //            We assume x1 with a dynamic of 15 bit maximum
-  //
-  // alpha      - input 2    in the format  |Re0 Im0|
-  //            We assume x2 with a dynamic of 15 bit maximum
-  //
-  // y        - output     in the format  |Re0  Im0 Re0 Im0|,......,|Re(N-1)  Im(N-1) Re(N-1) Im(N-1)|
-  //
-  // N        - the size f the vectors (this function does N cpx mpy. WARNING: N>=4;
-  //
-  // output_shift - shift at output to return in Q1.15
-  // format - 0 means alpha is in shuffled format, 1 means x is in shuffled format
-
-  uint32_t i;                 // loop counter
-
-  register __m128i m0,m1;
-
-
-
-  __m128i *x_128;
-  __m128i *y_128;
-
-
-  shift = _mm_cvtsi32_si128(output_shift);
-  x_128 = (__m128i *)&x[0];
-
-  if (format==0) {  // alpha is in shuffled format for complex multiply
-    ((int16_t *)&alpha_128)[0] = alpha[0];
-    ((int16_t *)&alpha_128)[1] = -alpha[1];
-    ((int16_t *)&alpha_128)[2] = alpha[1];
-    ((int16_t *)&alpha_128)[3] = alpha[0];
-    ((int16_t *)&alpha_128)[4] = alpha[0];
-    ((int16_t *)&alpha_128)[5] = -alpha[1];
-    ((int16_t *)&alpha_128)[6] = alpha[1];
-    ((int16_t *)&alpha_128)[7] = alpha[0];
-  } else { // input is in shuffled format for complex multiply
-    ((int16_t *)&alpha_128)[0] = alpha[0];
-    ((int16_t *)&alpha_128)[1] = alpha[1];
-    ((int16_t *)&alpha_128)[2] = alpha[0];
-    ((int16_t *)&alpha_128)[3] = alpha[1];
-    ((int16_t *)&alpha_128)[4] = alpha[0];
-    ((int16_t *)&alpha_128)[5] = alpha[1];
-    ((int16_t *)&alpha_128)[6] = alpha[0];
-    ((int16_t *)&alpha_128)[7] = alpha[1];
-  }
-
-  y_128 = (__m128i *)&y[0];
-
-  //  _mm_empty();
-  //  return(0);
-
-  // we compute 4 cpx multiply for each loop
-  for(i=0; i<(N>>3); i++) {
-
-    m0 = _mm_madd_epi16(x_128[0],alpha_128); //pmaddwd_r2r(mm1,mm0);         // 1- compute x1[0]*x2[0]
-    m0 = _mm_sra_epi32(m0,shift);        // 1- shift right by shift in order to  compensate for the input amplitude
-    m1=m0;
-    m0 = _mm_packs_epi32(m1,m0);        // 1- pack in a 128 bit register [re im re im]
-    y_128[0] = _mm_unpacklo_epi32(m0,m0);        // 1- pack in a 128 bit register [re im re im]
-    m0 = _mm_madd_epi16(x_128[1],alpha_128); //pmaddwd_r2r(mm1,mm0);         // 1- compute x1[0]*x2[0]
-    m0 = _mm_sra_epi32(m0,shift);        // 1- shift right by shift in order to  compensate for the input amplitude
-    m1 = m0;
-    m1 = _mm_packs_epi32(m1,m0);        // 1- pack in a 128 bit register [re im re im]
-    y_128[1] = _mm_unpacklo_epi32(m1,m1);        // 1- pack in a 128 bit register [re im re im]
-    m0 = _mm_madd_epi16(x_128[2],alpha_128); //pmaddwd_r2r(mm1,mm0);         // 1- compute x1[0]*x2[0]
-    m0 = _mm_sra_epi32(m0,shift);        // 1- shift right by shift in order to  compensate for the input amplitude
-    m1 = m0;
-    m1 = _mm_packs_epi32(m1,m0);        // 1- pack in a 128 bit register [re im re im]
-    y_128[2] = _mm_unpacklo_epi32(m1,m1);        // 1- pack in a 128 bit register [re im re im]
-    m0 = _mm_madd_epi16(x_128[3],alpha_128); //pmaddwd_r2r(mm1,mm0);         // 1- compute x1[0]*x2[0]
-    m0 = _mm_sra_epi32(m0,shift);        // 1- shift right by shift in order to  compensate for the input amplitude
-    m1 = m0;
-    m1 = _mm_packs_epi32(m1,m0);        // 1- pack in a 128 bit register [re im re im]
-    y_128[3] = _mm_unpacklo_epi32(m1,m1);        // 1- pack in a 128 bit register [re im re im]
-    if (format==1) {  // Put output in proper format (Re,-Im,Im,Re), shuffle = (0,1,3,2) = 0x1e
-
-      y_128[0] = _mm_shufflelo_epi16(y_128[0],0x1e);
-      y_128[0] = _mm_shufflehi_epi16(y_128[0],0x1e);
-      ((int16_t*)&y_128[0])[1] = -((int16_t*)&y_128[0])[1];
-      ((int16_t*)&y_128[0])[5] = -((int16_t*)&y_128[0])[5];
-      y_128[1] = _mm_shufflelo_epi16(y_128[1],0x1e);
-      y_128[1] = _mm_shufflehi_epi16(y_128[1],0x1e);
-      ((int16_t*)&y_128[1])[1] = -((int16_t*)&y_128[1])[1];
-      ((int16_t*)&y_128[1])[5] = -((int16_t*)&y_128[1])[5];
-      y_128[2] = _mm_shufflelo_epi16(y_128[2],0x1e);
-      y_128[2] = _mm_shufflehi_epi16(y_128[2],0x1e);
-      ((int16_t*)&y_128[2])[1] = -((int16_t*)&y_128[2])[1];
-      ((int16_t*)&y_128[2])[5] = -((int16_t*)&y_128[2])[5];
-      y_128[3] = _mm_shufflelo_epi16(y_128[3],0x1e);
-      y_128[3] = _mm_shufflehi_epi16(y_128[3],0x1e);
-      ((int16_t*)&y_128[3])[1] = -((int16_t*)&y_128[3])[1];
-      ((int16_t*)&y_128[3])[5] = -((int16_t*)&y_128[3])[5];
-    }
-
-
-    x_128+=4;
-    y_128 +=4;
-  }
-
-
-  _mm_empty();
-  _m_empty();
-
-  return(0);
-}
-
-int rotate_cpx_vector2(int16_t *x,
-                       int16_t *alpha,
-                       int16_t *y,
-                       uint32_t N,
-                       uint16_t output_shift,
-                       uint8_t format)
-{
-  // Multiply elementwise two complex vectors of N elements
-  // x        - input 1    in the format  |Re0  Im0 Re0 Im0|,......,|Re(N-1)  Im(N-1) Re(N-1) Im(N-1)|
-  //            We assume x1 with a dynamic of 15 bit maximum
-  //
-  // alpha      - input 2    in the format  |Re0 Im0|
-  //            We assume x2 with a dynamic of 15 bit maximum
-  //
-  // y        - output     in the format  |Re0  Im0 Re0 Im0|,......,|Re(N-1)  Im(N-1) Re(N-1) Im(N-1)|
-  //
-  // N        - the size f the vectors (this function does N cpx mpy. WARNING: N>=4;
-  //
-  // log2_amp - increase the output amplitude by a factor 2^log2_amp (default is 0)
-  //            WARNING: log2_amp>0 can cause overflow!!
-
-  uint32_t i;                 // loop counter
-
-  register __m128i m0,m1;
-
-
-  __m128i *x_128;
-  __m128i *y_128;
-
-
-  shift = _mm_cvtsi32_si128(output_shift);
-  x_128 = (__m128i *)&x[0];
-
-  if (format==0) {  // alpha is in shuffled format for complex multiply
-    ((int16_t *)&alpha_128)[0] = alpha[0];
-    ((int16_t *)&alpha_128)[1] = -alpha[1];
-    ((int16_t *)&alpha_128)[2] = alpha[1];
-    ((int16_t *)&alpha_128)[3] = alpha[0];
-    ((int16_t *)&alpha_128)[4] = alpha[0];
-    ((int16_t *)&alpha_128)[5] = -alpha[1];
-    ((int16_t *)&alpha_128)[6] = alpha[1];
-    ((int16_t *)&alpha_128)[7] = alpha[0];
-  } else { // input is in shuffled format for complex multiply
-    ((int16_t *)&alpha_128)[0] = alpha[0];
-    ((int16_t *)&alpha_128)[1] = alpha[1];
-    ((int16_t *)&alpha_128)[2] = alpha[0];
-    ((int16_t *)&alpha_128)[3] = alpha[1];
-    ((int16_t *)&alpha_128)[4] = alpha[0];
-    ((int16_t *)&alpha_128)[5] = alpha[1];
-    ((int16_t *)&alpha_128)[6] = alpha[0];
-    ((int16_t *)&alpha_128)[7] = alpha[1];
-  }
-
-  y_128 = (__m128i *)&y[0];
-
-  // we compute 4 cpx multiply for each loop
-  for(i=0; i<(N>>1); i++) {
-
-
-    m0 = _mm_madd_epi16(x_128[i],alpha_128); //pmaddwd_r2r(mm1,mm0);         // 1- compute x1[0]*x2[0]
-    m0 = _mm_sra_epi32(m0,shift);        // 1- shift right by shift in order to  compensate for the input amplitude
-    m1=m0;
-    m1 = _mm_packs_epi32(m1,m0);        // 1- pack in a 128 bit register [re im re im]
-    y_128[i] = _mm_unpacklo_epi32(m1,m1);        // 1- pack in a 128 bit register [re im re im]
-    if (format==1) {  // Put output in proper format (Re,-Im,Im,Re), shuffle = (0,1,3,2) = 0x1e
-
-      y_128[i] = _mm_shufflelo_epi16(y_128[i],0x1e);
-      y_128[i] = _mm_shufflehi_epi16(y_128[i],0x1e);
-      ((int16_t*)&y_128[i])[1] = -((int16_t*)&y_128[i])[1];
-      ((int16_t*)&y_128[i])[5] = -((int16_t*)&y_128[i])[5];
-    }
-  }
-
-
-  _mm_empty();
-  _m_empty();
-
-
-  return(0);
-}
-*/
-
-int rotate_cpx_vector(int16_t *x,
-                      int16_t *alpha,
-                      int16_t *y,
+#ifdef __AVX2__
+void rotate_cpx_vector(c16_t *x,
+                      c16_t *alpha,
+                      c16_t *y,
                       uint32_t N,
                       uint16_t output_shift)
 {
@@ -372,28 +175,28 @@ int rotate_cpx_vector(int16_t *x,
   __m128i shift = _mm_cvtsi32_si128(output_shift);
   register simd_q15_t m0,m1,m2,m3;
 
-  ((int16_t *)&alpha_128)[0] = alpha[0];
-  ((int16_t *)&alpha_128)[1] = -alpha[1];
-  ((int16_t *)&alpha_128)[2] = alpha[1];
-  ((int16_t *)&alpha_128)[3] = alpha[0];
-  ((int16_t *)&alpha_128)[4] = alpha[0];
-  ((int16_t *)&alpha_128)[5] = -alpha[1];
-  ((int16_t *)&alpha_128)[6] = alpha[1];
-  ((int16_t *)&alpha_128)[7] = alpha[0];
+  ((int16_t *)&alpha_128)[0] = alpha->r;
+  ((int16_t *)&alpha_128)[1] = -alpha->i;
+  ((int16_t *)&alpha_128)[2] = alpha->i;
+  ((int16_t *)&alpha_128)[3] = alpha->r;
+  ((int16_t *)&alpha_128)[4] = alpha->r;
+  ((int16_t *)&alpha_128)[5] = -alpha->i;
+  ((int16_t *)&alpha_128)[6] = alpha->i;
+  ((int16_t *)&alpha_128)[7] = alpha->r;
 #elif defined(__arm__)
   int32x4_t shift;
   int32x4_t ab_re0,ab_re1,ab_im0,ab_im1,re32,im32;
   int16_t reflip[8]  __attribute__((aligned(16))) = {1,-1,1,-1,1,-1,1,-1};
   int32x4x2_t xtmp;
 
-  ((int16_t *)&alpha_128)[0] = alpha[0];
-  ((int16_t *)&alpha_128)[1] = alpha[1];
-  ((int16_t *)&alpha_128)[2] = alpha[0];
-  ((int16_t *)&alpha_128)[3] = alpha[1];
-  ((int16_t *)&alpha_128)[4] = alpha[0];
-  ((int16_t *)&alpha_128)[5] = alpha[1];
-  ((int16_t *)&alpha_128)[6] = alpha[0];
-  ((int16_t *)&alpha_128)[7] = alpha[1];
+  ((int16_t *)&alpha_128)[0] = alpha->r;
+  ((int16_t *)&alpha_128)[1] = alpha->i;
+  ((int16_t *)&alpha_128)[2] = alpha->r;
+  ((int16_t *)&alpha_128)[3] = alpha->i;
+  ((int16_t *)&alpha_128)[4] = alpha->r;
+  ((int16_t *)&alpha_128)[5] = alpha->i;
+  ((int16_t *)&alpha_128)[6] = alpha->r;
+  ((int16_t *)&alpha_128)[7] = alpha->i;
   int16x8_t bflip = vrev32q_s16(alpha_128);
   int16x8_t bconj = vmulq_s16(alpha_128,*(int16x8_t *)reflip);
   shift = vdupq_n_s32(-output_shift);
@@ -439,9 +242,9 @@ int rotate_cpx_vector(int16_t *x,
   _mm_empty();
   _m_empty();
 
-  return(0);
+  return;
 }
-
+#endif
 /*
 int mult_vector32_scalar(int16_t *x1,
                          int x2,
@@ -536,7 +339,7 @@ main ()
   int16_t input[256] __attribute__((aligned(16)));
   int16_t input2[256] __attribute__((aligned(16)));
   int16_t output[256] __attribute__((aligned(16)));
-  int16_t alpha[2];
+  c16_t alpha;
 
   int i;
 
@@ -574,8 +377,8 @@ main ()
   input2[14] = 1000;
   input2[15] = 2000;
 
-  alpha[0]=32767;
-  alpha[1]=0;
+  alpha->r=32767;
+  alpha->i=0;
 
   //mult_cpx_vector(input,input2,output,L,0);
   rotate_cpx_vector_norep(input,alpha,input,L,15);
diff --git a/openair1/PHY/TOOLS/tools_defs.h b/openair1/PHY/TOOLS/tools_defs.h
index 839beb3dc9a4f5911ed775dff3e37eaadc59f3ee..c471978f461bb9387cac167b5e5ff8f308d8c5b1 100644
--- a/openair1/PHY/TOOLS/tools_defs.h
+++ b/openair1/PHY/TOOLS/tools_defs.h
@@ -37,6 +37,7 @@ extern "C" {
 #include <stdint.h>
 #include <assert.h>
 #include "PHY/sse_intrin.h"
+#include "common/utils/assertions.h"
 
 #define CEILIDIV(a,b) ((a+b-1)/b)
 #define ROUNDIDIV(a,b) (((a<<1)+b)/(b<<1))
@@ -104,15 +105,6 @@ void multadd_complex_vector_real_scalar(int16_t *x,
                                         uint8_t zero_flag,
                                         uint32_t N);
 
-int rotate_cpx_vector(int16_t *x,
-                      int16_t *alpha,
-                      int16_t *y,
-                      uint32_t N,
-                      uint16_t output_shift);
-
-
-
-
 /*!\fn void init_fft(uint16_t size,uint8_t logsize,uint16_t *rev)
 \brief Initialize the FFT engine for a given size
 @param size Size of the FFT
@@ -461,7 +453,7 @@ idft_size_idx_t get_idft(int ofdm_symbol_size)
 }
 
 
-/*!\fn int32_t rotate_cpx_vector(int16_t *x,int16_t *alpha,int16_t *y,uint32_t N,uint16_t output_shift)
+/*!\fn int32_t rotate_cpx_vector(c16_t *x,c16_t *alpha,c16_t *y,uint32_t N,uint16_t output_shift)
 This function performs componentwise multiplication of a vector with a complex scalar.
 @param x Vector input (Q1.15)  in the format  |Re0  Im0|,......,|Re(N-1) Im(N-1)|
 @param alpha Scalar input (Q1.15) in the format  |Re0 Im0|
@@ -471,11 +463,11 @@ This function performs componentwise multiplication of a vector with a complex s
 
 The function implemented is : \f$\mathbf{y} = \alpha\mathbf{x}\f$
 */
-int32_t rotate_cpx_vector(int16_t *x,
-                          int16_t *alpha,
-                          int16_t *y,
-                          uint32_t N,
-                          uint16_t output_shift);
+void rotate_cpx_vector(c16_t *x,
+                       c16_t *alpha,
+                       c16_t *y,
+                       uint32_t N,
+                       uint16_t output_shift);
 
 
 //cadd_sv.c
diff --git a/openair1/PHY/defs_nr_common.h b/openair1/PHY/defs_nr_common.h
index 9c8e90a9c7ddcb39a295381151e509ed5323178e..67345b1a53576a374daa8c5078350c6fc62eed07 100644
--- a/openair1/PHY/defs_nr_common.h
+++ b/openair1/PHY/defs_nr_common.h
@@ -359,10 +359,10 @@ struct NR_DL_FRAME_PARMS {
   lte_prefix_type_t Ncp;
   /// sequence which is computed based on carrier frequency and numerology to rotate/derotate each OFDM symbol according to Section 5.3 in 38.211
   /// First dimension is for the direction of the link (0 DL, 1 UL)
-  int16_t symbol_rotation[2][224*2];
+  c16_t symbol_rotation[2][224];
   /// sequence used to compensate the phase rotation due to timeshifted OFDM symbols
   /// First dimenstion is for different CP lengths
-  int16_t timeshift_symbol_rotation[4096*2] __attribute__ ((aligned (16)));
+  c16_t timeshift_symbol_rotation[4096*2] __attribute__ ((aligned (16)));
   /// shift of pilot position in one RB
   uint8_t nushift;
   /// SRS configuration from TS 38.331 RRC