diff --git a/common/utils/T/tracer/gnb.c b/common/utils/T/tracer/gnb.c
index 2f0ed6b246..f205f3582a 100644
--- a/common/utils/T/tracer/gnb.c
+++ b/common/utils/T/tracer/gnb.c
@@ -91,7 +91,7 @@ static void set_current_ue(gui *g, gnb_data *e, int ue)
   sprintf(s, "GNB_PHY_PUCCH_PUSCH_IQ [UE %d]", ue);
   xy_plot_set_title(g, e->e->pucch_pusch_iq_plot, s);
 
-  sprintf(s, "UL estimated channel [UE %d]", ue);
+  sprintf(s, "UL channel estimation in frequency domain [UE %d]", ue);
   xy_plot_set_title(g, e->e->ul_estimate_ue_xy_plot, s);
 }
 
diff --git a/openair1/PHY/INIT/nr_init.c b/openair1/PHY/INIT/nr_init.c
index bc1ea96af9..22149349ab 100644
--- a/openair1/PHY/INIT/nr_init.c
+++ b/openair1/PHY/INIT/nr_init.c
@@ -201,11 +201,11 @@ int phy_init_nr_gNB(PHY_VARS_gNB *gNB,
     gNB->nr_srs_info[id]->noise_power = (uint32_t*)malloc16_clear(sizeof(uint32_t));
     gNB->nr_srs_info[id]->srs_received_signal = (int32_t **)malloc16(Prx*sizeof(int32_t*));
     gNB->nr_srs_info[id]->srs_ls_estimated_channel = (int32_t **)malloc16(Prx*sizeof(int32_t*));
-    gNB->nr_srs_info[id]->srs_estimated_channel = (int32_t **)malloc16(Prx*sizeof(int32_t*));
+    gNB->nr_srs_info[id]->srs_estimated_channel_freq = (int32_t **)malloc16(Prx*sizeof(int32_t*));
     for (i=0;i<Prx;i++){
       gNB->nr_srs_info[id]->srs_received_signal[i] = (int32_t*)malloc16_clear(fp->samples_per_frame*sizeof(int32_t));
       gNB->nr_srs_info[id]->srs_ls_estimated_channel[i] = (int32_t*)malloc16_clear(fp->samples_per_frame*sizeof(int32_t));
-      gNB->nr_srs_info[id]->srs_estimated_channel[i] = (int32_t*)malloc16_clear(fp->samples_per_frame*sizeof(int32_t));
+      gNB->nr_srs_info[id]->srs_estimated_channel_freq[i] = (int32_t*)malloc16_clear(fp->samples_per_frame*sizeof(int32_t));
     }
   }
 
diff --git a/openair1/PHY/INIT/nr_init_ue.c b/openair1/PHY/INIT/nr_init_ue.c
index db6398bb46..888e05dea2 100644
--- a/openair1/PHY/INIT/nr_init_ue.c
+++ b/openair1/PHY/INIT/nr_init_ue.c
@@ -328,11 +328,11 @@ int init_nr_ue_signal(PHY_VARS_NR_UE *ue,
     ue->nr_srs_info->noise_power = (uint32_t*)malloc16_clear(sizeof(uint32_t));
     ue->nr_srs_info->srs_received_signal = (int32_t **)malloc16( fp->nb_antennas_rx*sizeof(int32_t *) );
     ue->nr_srs_info->srs_ls_estimated_channel = (int32_t **)malloc16( fp->nb_antennas_rx*sizeof(int32_t *) );
-    ue->nr_srs_info->srs_estimated_channel = (int32_t **)malloc16( fp->nb_antennas_rx*sizeof(int32_t *) );
+    ue->nr_srs_info->srs_estimated_channel_freq = (int32_t **)malloc16( fp->nb_antennas_rx*sizeof(int32_t *) );
     for (i=0; i<fp->nb_antennas_rx; i++) {
       ue->nr_srs_info->srs_received_signal[i] = (int32_t *) malloc16_clear( (2*(fp->samples_per_frame)+2048)*sizeof(int32_t) );
       ue->nr_srs_info->srs_ls_estimated_channel[i] = (int32_t *) malloc16_clear( (2*(fp->samples_per_frame)+2048)*sizeof(int32_t) );
-      ue->nr_srs_info->srs_estimated_channel[i] = (int32_t *) malloc16_clear( (2*(fp->samples_per_frame)+2048)*sizeof(int32_t) );
+      ue->nr_srs_info->srs_estimated_channel_freq[i] = (int32_t *) malloc16_clear( (2*(fp->samples_per_frame)+2048)*sizeof(int32_t) );
     }
 
     if (abstraction_flag == 0) {
diff --git a/openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c b/openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c
index 29df722aa3..eb6973d7ee 100644
--- a/openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c
+++ b/openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c
@@ -1110,7 +1110,7 @@ int nr_srs_channel_estimation(PHY_VARS_gNB *gNB,
                               nr_srs_info_t *nr_srs_info,
                               int32_t *srs_generated_signal,
                               int32_t **srs_received_signal,
-                              int32_t **srs_estimated_channel,
+                              int32_t **srs_estimated_channel_freq,
                               uint32_t *noise_power) {
 
   if(nr_srs_info->n_symbs==0) {
@@ -1130,9 +1130,9 @@ int nr_srs_channel_estimation(PHY_VARS_gNB *gNB,
   for (int ant = 0; ant < frame_parms->nb_antennas_rx; ant++) {
 
     memset(srs_ls_estimated_channel[ant], 0, frame_parms->samples_per_frame*sizeof(int32_t));
-    memset(srs_estimated_channel[ant], 0, frame_parms->samples_per_frame*sizeof(int32_t));
+    memset(srs_estimated_channel_freq[ant], 0, frame_parms->samples_per_frame*sizeof(int32_t));
 
-    int16_t *srs_estimated_channel16 = (int16_t *)&srs_estimated_channel[ant][nr_srs_info->subcarrier_idx[0]];
+    int16_t *srs_estimated_channel16 = (int16_t *)&srs_estimated_channel_freq[ant][nr_srs_info->subcarrier_idx[0]];
 
     for(int sc_idx = 0; sc_idx < nr_srs_info->n_symbs; sc_idx++) {
 
@@ -1160,38 +1160,38 @@ int nr_srs_channel_estimation(PHY_VARS_gNB *gNB,
         if(sc_idx == 0) {
           multadd_real_vector_complex_scalar(filt8_l0, ls_estimated, srs_estimated_channel16, 8);
         } else if(nr_srs_info->subcarrier_idx[sc_idx]<nr_srs_info->subcarrier_idx[sc_idx-1]) {
-          srs_estimated_channel16 = (int16_t *)&srs_estimated_channel[ant][nr_srs_info->subcarrier_idx[sc_idx+2]] - 8;
+          srs_estimated_channel16 = (int16_t *)&srs_estimated_channel_freq[ant][nr_srs_info->subcarrier_idx[sc_idx+2]] - 8;
           multadd_real_vector_complex_scalar(filt8_l0, ls_estimated, srs_estimated_channel16, 8);
         } else if( (sc_idx < (nr_srs_info->n_symbs-1) && nr_srs_info->subcarrier_idx[sc_idx+1]<nr_srs_info->subcarrier_idx[sc_idx]) || (sc_idx == (nr_srs_info->n_symbs-1))) {
           multadd_real_vector_complex_scalar(filt8_m0, ls_estimated, srs_estimated_channel16, 8);
-          srs_estimated_channel[ant][nr_srs_info->subcarrier_idx[sc_idx]+1] = srs_estimated_channel[ant][nr_srs_info->subcarrier_idx[sc_idx]];
+          srs_estimated_channel_freq[ant][nr_srs_info->subcarrier_idx[sc_idx]+1] = srs_estimated_channel_freq[ant][nr_srs_info->subcarrier_idx[sc_idx]];
         } else if(sc_idx%2 == 1) {
           multadd_real_vector_complex_scalar(filt8_m0, ls_estimated, srs_estimated_channel16, 8);
         } else if(sc_idx%2 == 0) {
           multadd_real_vector_complex_scalar(filt8_mm0, ls_estimated, srs_estimated_channel16, 8);
-          srs_estimated_channel16 = (int16_t *)&srs_estimated_channel[ant][nr_srs_info->subcarrier_idx[sc_idx]];
+          srs_estimated_channel16 = (int16_t *)&srs_estimated_channel_freq[ant][nr_srs_info->subcarrier_idx[sc_idx]];
         }
       } else {
         if(sc_idx>0) {
           multadd_real_vector_complex_scalar(filt8_dcr0_h, ls_estimated, srs_estimated_channel16, 8);
           if(nr_srs_info->subcarrier_idx[sc_idx]<nr_srs_info->subcarrier_idx[sc_idx-1]) {
-            srs_estimated_channel16 = (int16_t *)&srs_estimated_channel[ant][nr_srs_info->subcarrier_idx[sc_idx+1]] - 8;
+            srs_estimated_channel16 = (int16_t *)&srs_estimated_channel_freq[ant][nr_srs_info->subcarrier_idx[sc_idx+1]] - 8;
           } else {
-            srs_estimated_channel16 = (int16_t *)&srs_estimated_channel[ant][nr_srs_info->subcarrier_idx[sc_idx]];
+            srs_estimated_channel16 = (int16_t *)&srs_estimated_channel_freq[ant][nr_srs_info->subcarrier_idx[sc_idx]];
           }
           srs_estimated_channel16[0] = 0;
           srs_estimated_channel16[1] = 0;
         }
         multadd_real_vector_complex_scalar(filt8_dcl0_h, ls_estimated, srs_estimated_channel16, 8);
         if(sc_idx == (nr_srs_info->n_symbs-1)) {
-          srs_estimated_channel[ant][nr_srs_info->subcarrier_idx[sc_idx]+1] = srs_estimated_channel[ant][nr_srs_info->subcarrier_idx[sc_idx]];
-          srs_estimated_channel[ant][nr_srs_info->subcarrier_idx[sc_idx]+2] = srs_estimated_channel[ant][nr_srs_info->subcarrier_idx[sc_idx]];
-          srs_estimated_channel[ant][nr_srs_info->subcarrier_idx[sc_idx]+3] = srs_estimated_channel[ant][nr_srs_info->subcarrier_idx[sc_idx]];
+          srs_estimated_channel_freq[ant][nr_srs_info->subcarrier_idx[sc_idx]+1] = srs_estimated_channel_freq[ant][nr_srs_info->subcarrier_idx[sc_idx]];
+          srs_estimated_channel_freq[ant][nr_srs_info->subcarrier_idx[sc_idx]+2] = srs_estimated_channel_freq[ant][nr_srs_info->subcarrier_idx[sc_idx]];
+          srs_estimated_channel_freq[ant][nr_srs_info->subcarrier_idx[sc_idx]+3] = srs_estimated_channel_freq[ant][nr_srs_info->subcarrier_idx[sc_idx]];
         }
       }
 
-      noise_real[ant*nr_srs_info->n_symbs+sc_idx] = abs(prev_ls_estimated[0] - (int16_t)(srs_estimated_channel[ant][nr_srs_info->subcarrier_idx[sc_idx]]&0xFFFF));
-      noise_imag[ant*nr_srs_info->n_symbs+sc_idx] = abs(prev_ls_estimated[1] - (int16_t)((srs_estimated_channel[ant][nr_srs_info->subcarrier_idx[sc_idx]]>>16)&0xFFFF));
+      noise_real[ant*nr_srs_info->n_symbs+sc_idx] = abs(prev_ls_estimated[0] - (int16_t)(srs_estimated_channel_freq[ant][nr_srs_info->subcarrier_idx[sc_idx]]&0xFFFF));
+      noise_imag[ant*nr_srs_info->n_symbs+sc_idx] = abs(prev_ls_estimated[1] - (int16_t)((srs_estimated_channel_freq[ant][nr_srs_info->subcarrier_idx[sc_idx]]>>16)&0xFFFF));
 
 #ifdef SRS_DEBUG
       uint64_t subcarrier_offset = frame_parms->first_carrier_offset + srs_pdu->bwp_start*12;
@@ -1239,8 +1239,8 @@ int nr_srs_channel_estimation(PHY_VARS_gNB *gNB,
               subcarrier_log+r,
               (int16_t)(srs_ls_estimated_channel[ant][nr_srs_info->subcarrier_idx[sc_idx]+r]&0xFFFF),
               (int16_t)((srs_ls_estimated_channel[ant][nr_srs_info->subcarrier_idx[sc_idx]+r]>>16)&0xFFFF),
-              (int16_t)(srs_estimated_channel[ant][nr_srs_info->subcarrier_idx[sc_idx]+r]&0xFFFF),
-              (int16_t)((srs_estimated_channel[ant][nr_srs_info->subcarrier_idx[sc_idx]+r]>>16)&0xFFFF),
+              (int16_t)(srs_estimated_channel_freq[ant][nr_srs_info->subcarrier_idx[sc_idx]+r]&0xFFFF),
+              (int16_t)((srs_estimated_channel_freq[ant][nr_srs_info->subcarrier_idx[sc_idx]+r]>>16)&0xFFFF),
               noise_real[ant*nr_srs_info->n_symbs+sc_idx],
               noise_imag[ant*nr_srs_info->n_symbs+sc_idx]);
       }
diff --git a/openair1/PHY/NR_ESTIMATION/nr_ul_estimation.h b/openair1/PHY/NR_ESTIMATION/nr_ul_estimation.h
index 9bbccaf6fd..e361684f5d 100644
--- a/openair1/PHY/NR_ESTIMATION/nr_ul_estimation.h
+++ b/openair1/PHY/NR_ESTIMATION/nr_ul_estimation.h
@@ -70,6 +70,6 @@ int nr_srs_channel_estimation(PHY_VARS_gNB *gNB,
                               nr_srs_info_t *nr_srs_info,
                               int32_t *srs_generated_signal,
                               int32_t **srs_received_signal,
-                              int32_t **srs_estimated_channel,
+                              int32_t **srs_estimated_channel_freq,
                               uint32_t *noise_power);
 #endif
diff --git a/openair1/PHY/defs_nr_common.h b/openair1/PHY/defs_nr_common.h
index d9b1a2e148..e5be7f820b 100644
--- a/openair1/PHY/defs_nr_common.h
+++ b/openair1/PHY/defs_nr_common.h
@@ -247,7 +247,7 @@ typedef struct {
   int32_t *srs_generated_signal;
   int32_t **srs_received_signal;
   int32_t **srs_ls_estimated_channel;
-  int32_t **srs_estimated_channel;
+  int32_t **srs_estimated_channel_freq;
   uint32_t *noise_power;
 } nr_srs_info_t;
 
diff --git a/openair1/SCHED_NR/phy_procedures_nr_gNB.c b/openair1/SCHED_NR/phy_procedures_nr_gNB.c
index b5d0e5373e..ef0a7b1dc5 100644
--- a/openair1/SCHED_NR/phy_procedures_nr_gNB.c
+++ b/openair1/SCHED_NR/phy_procedures_nr_gNB.c
@@ -809,11 +809,11 @@ int phy_procedures_gNB_uespec_RX(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx) {
                                   gNB->nr_srs_info[i],
                                   gNB->nr_srs_info[i]->srs_generated_signal,
                                   gNB->nr_srs_info[i]->srs_received_signal,
-                                  gNB->nr_srs_info[i]->srs_estimated_channel,
+                                  gNB->nr_srs_info[i]->srs_estimated_channel_freq,
                                   gNB->nr_srs_info[i]->noise_power);
 
         T(T_GNB_PHY_UL_CHANNEL_ESTIMATE, T_INT(0), T_INT(srs_pdu->rnti), T_INT(frame_rx), T_INT(slot_rx%10), T_INT(0),
-          T_BUFFER(gNB->nr_srs_info[i]->srs_estimated_channel[0], 100 * 4));
+          T_BUFFER(gNB->nr_srs_info[i]->srs_estimated_channel_freq[0], 100 * 4));
 
         srs->active = 0;
       }