Merge branch 'nr_pdcch_ue' into develop-nr

openair1/PHY/MODULATION/modulation_UE.h

@@ -48,12 +48,13 @@ int slot_fep(PHY_VARS_UE *phy_vars_ue,
              int no_prefix,
 	     int reset_freq_est);
 
-int slot_fep_pbch(PHY_VARS_NR_UE *phy_vars_ue,
+int nr_slot_fep(PHY_VARS_NR_UE *phy_vars_ue,
              unsigned char l,
              unsigned char Ns,
              int sample_offset,
              int no_prefix,
-	     int reset_freq_est);
+	     int reset_freq_est,
+			 NR_CHANNEL_EST_t channel);
 
 int slot_fep_mbsfn(PHY_VARS_UE *phy_vars_ue,
                    unsigned char l,

openair1/PHY/MODULATION/slot_fep.c

@@ -23,17 +23,19 @@
 #include "PHY/defs_nr_UE.h"
 #include "modulation_UE.h"
 #include "PHY/LTE_ESTIMATION/lte_estimation.h"
+#include "PHY/NR_UE_ESTIMATION/nr_estimation.h"
 
 //#define DEBUG_FEP
 
 #define SOFFSET 0
 
-int slot_fep_pbch(PHY_VARS_NR_UE *ue,
+int nr_slot_fep(PHY_VARS_NR_UE *ue,
              unsigned char l,
              unsigned char Ns,
              int sample_offset,
              int no_prefix,
-			 int reset_freq_est)
+			 int reset_freq_est,
+			 NR_CHANNEL_EST_t channel)
 {
   NR_DL_FRAME_PARMS *frame_parms = &ue->frame_parms;
   NR_UE_COMMON *common_vars   = &ue->common_vars;
@@ -47,6 +49,11 @@ int slot_fep_pbch(PHY_VARS_NR_UE *ue,
   int i;
   unsigned int frame_length_samples = frame_parms->samples_per_subframe * 10;
   unsigned int rx_offset;
+  //NR_UE_PDCCH *pdcch_vars  = ue->pdcch_vars[ue->current_thread_id[Ns>>1]][0];
+  uint16_t coreset_start_subcarrier = frame_parms->first_carrier_offset;
+  uint16_t nb_rb_coreset = 24;
+  uint16_t bwp_start_subcarrier = frame_parms->first_carrier_offset;
+  uint16_t nb_rb_pdsch = 100;
 
   /*LTE_UE_DLSCH_t **dlsch_ue = phy_vars_ue->dlsch_ue[eNB_id];
   unsigned char harq_pid = dlsch_ue[0]->current_harq_pid;
@@ -181,6 +188,9 @@ int slot_fep_pbch(PHY_VARS_NR_UE *ue,
   }
 
   if (ue->perfect_ce == 0) {
+
+  switch(channel){
+  case NR_PBCH_EST:
     if ((l>0) && (l<4)) {
       for (aa=0; aa<frame_parms->nb_antenna_ports_eNB; aa++) {
 
@@ -196,7 +206,9 @@ int slot_fep_pbch(PHY_VARS_NR_UE *ue,
                                   l,
                                   symbol);
       }
-
+#if UE_TIMING_TRACE
+        stop_meas(&ue->dlsch_channel_estimation_stats);
+#endif
 
       // do frequency offset estimation here!
       // use channel estimates from current symbol (=ch_t) and last symbol (ch_{t-1})
@@ -221,6 +233,60 @@ int slot_fep_pbch(PHY_VARS_NR_UE *ue,
 
       }
     }
+  break;
+
+  case NR_PDCCH_EST:
+      for (aa=0; aa<frame_parms->nb_antenna_ports_eNB; aa++) {
+
+#ifdef DEBUG_FEP
+          printf("Channel estimation eNB %d, aatx %d, slot %d, symbol %d\n",eNB_id,aa,Ns,l);
+#endif
+#if UE_TIMING_TRACE
+          start_meas(&ue->dlsch_channel_estimation_stats);
+#endif
+          nr_pdcch_channel_estimation(ue,eNB_id,0,
+                                    Ns,
+                                    aa,
+                                    l,
+                                    symbol,
+									coreset_start_subcarrier,
+									nb_rb_coreset);
+#if UE_TIMING_TRACE
+        stop_meas(&ue->dlsch_channel_estimation_stats);
+#endif
+      }
+    break;
+
+  case NR_PDSCH_EST:
+      for (aa=0; aa<frame_parms->nb_antenna_ports_eNB; aa++) {
+
+#ifdef DEBUG_FEP
+          printf("Channel estimation eNB %d, aatx %d, slot %d, symbol %d\n",eNB_id,aa,Ns,l);
+#endif
+#if UE_TIMING_TRACE
+          start_meas(&ue->dlsch_channel_estimation_stats);
+#endif
+          nr_pdsch_channel_estimation(ue,eNB_id,0,
+                                    Ns,
+                                    aa,
+                                    l,
+                                    symbol,
+									bwp_start_subcarrier,
+									nb_rb_pdsch);
+#if UE_TIMING_TRACE
+        stop_meas(&ue->dlsch_channel_estimation_stats);
+#endif
+      }
+    break;
+
+  case NR_SSS_EST:
+  break;
+
+  default:
+    LOG_E(PHY,"[UE][FATAL] Unknown channel format %d\n",channel);
+    return(-1);
+    break;
+  }
 
   }
 

openair1/PHY/NR_REFSIG/nr_dmrs_rx.c

@@ -50,20 +50,77 @@ int wt1[8][2] = {{1,1},{1,1},{1,1},{1,1},{1,-1},{1,-1},{1,-1},{1,-1}};
 int wf2[12][2] = {{1,1},{1,-1},{1,1},{1,-1},{1,1},{1,-1},{1,1},{1,1},{1,1},{1,-1},{1,1},{1,1}};
 int wt2[12][2] = {{1,1},{1,1},{1,1},{1,1},{1,1},{1,1},{1,-1},{1,-1},{1,-1},{1,-1},{1,-1},{1,-1}};
 
+
 //short nr_mod_table[14] = {0,0,-23170,-23170,23170,23170,-23170,-23170,-23170,23170,23170,-23170,23170,23170};
   short nr_rx_mod_table[NR_MOD_TABLE_SIZE_SHORT] = {0,0,23170,-23170,-23170,23170,23170,-23170,23170,23170,-23170,-23170,-23170,23170};
 //short nr_mod_table[14] = {0,0,23170,23170,-23170,-23170,23170,23170,23170,-23170,-23170,23170,-23170,-23170};
 //extern short nr_mod_table[NR_MOD_TABLE_SIZE_SHORT];
 
+short nr_mod_table[14] = {0,0,23170,-23170,-23170,23170,23170,-23170,23170,23170,-23170,-23170,-23170,23170};
+
+int nr_pdcch_dmrs_rx(PHY_VARS_NR_UE *ue,
+						uint8_t eNB_offset,
+						unsigned int Ns,
+						unsigned int nr_gold_pdcch[7][20][3][10],
+						int32_t *output,
+						unsigned short p,
+						int length_dmrs,
+						unsigned short nb_rb_coreset)
+{
+  int32_t qpsk[4],n;
+  int w,ind,l,ind_dword,ind_qpsk_symb,kp,k;
+  short pamp;
+
+  // Compute the correct pilot amplitude, sqrt_rho_b = Q3.13
+  pamp = ONE_OVER_SQRT2_Q15;
+
+  // This includes complex conjugate for channel estimation
+  ((short *)&qpsk[0])[0] = pamp;
+  ((short *)&qpsk[0])[1] = -pamp;
+  ((short *)&qpsk[1])[0] = -pamp;
+  ((short *)&qpsk[1])[1] = -pamp;
+  ((short *)&qpsk[2])[0] = pamp;
+  ((short *)&qpsk[2])[1] = pamp;
+  ((short *)&qpsk[3])[0] = -pamp;
+  ((short *)&qpsk[3])[1] = pamp;
+
+  if (p==2000) {
+	  // r_n from 38.211 7.4.1.3
+        for (n=0; n<nb_rb_coreset*3; n++) {
+        	for (l =0; l<length_dmrs; l++){
+        		for (kp=0; kp<3; kp++){
+
+        			ind = 3*n+kp;
+        			ind_dword = ind>>4;
+        			ind_qpsk_symb = ind&0xf;
+
+        			output[k] = qpsk[(nr_gold_pdcch[eNB_offset][Ns][l][ind_dword]>>(2*ind_qpsk_symb))&3];
+
+#ifdef DEBUG_DL_DMRS
+          LOG_I(PHY,"Ns %d, p %d, ind_dword %d, ind_qpsk_symbol %d\n",
+                Ns,p,idx_dword,idx_qpsk_symb);
+          LOG_I(PHY,"index = %d\n",(nr_gold_pdsch[0][Ns][lprime][ind_dword]>>(2*ind_qpsk_symb))&3);
+#endif
+
+          	  	  	k++;
+        		}
+        	}
+        }
+  } else {
+    LOG_E(PHY,"Illegal PDCCH DMRS port %d\n",p);
+  }
+
+  return(0);
+}
 
 int nr_pdsch_dmrs_rx(PHY_VARS_NR_UE *ue,
-						unsigned int ncp,
+						uint8_t eNB_offset,
 						unsigned int Ns,
 						unsigned int nr_gold_pdsch[2][20][2][21],
 						int32_t *output,
 						unsigned short p,
 						int length_dmrs,
-						unsigned short nb_pdsch_rb)
+						unsigned short nb_rb_pdsch)
 {
   int32_t qpsk[4],nqpsk[4],*qpsk_p, n;
   int w,mprime,ind,l,ind_dword,ind_qpsk_symb,kp,lp, config_type, k;
@@ -77,7 +134,7 @@ int nr_pdsch_dmrs_rx(PHY_VARS_NR_UE *ue,
   printf("dmrs config type %d port %d\n", config_type, p);
 
   // Compute the correct pilot amplitude, sqrt_rho_b = Q3.13
-  pamp = 23170; //ONE_OVER_SQRT2_Q15;
+  pamp = ONE_OVER_SQRT2_Q15;
 
   // This includes complex conjugate for channel estimation
   ((short *)&qpsk[0])[0] = pamp;
@@ -105,10 +162,9 @@ int nr_pdsch_dmrs_rx(PHY_VARS_NR_UE *ue,
       LOG_E(PHY,"Bad PDSCH DMRS config type %d\n", config_type);
 
   if ((p>=1000) && (p<((config_type==0) ? 1008 : 1012))) {
-      if (/*ue->frame_parms.Ncp == NORMAL*/ncp ==0) {
 
         // r_n from 38.211 7.4.1.1
-        for (n=0; n<nb_pdsch_rb*((config_type==0) ? 3:2); n++) {
+        for (n=0; n<nb_rb_pdsch*((config_type==0) ? 3:2); n++) {
         	for (lp =0; lp<length_dmrs; lp++){
         		for (kp=0; kp<2; kp++){
         			w = (wf[p-1000][kp])*(wt[p-1000][lp]);
@@ -118,7 +174,7 @@ int nr_pdsch_dmrs_rx(PHY_VARS_NR_UE *ue,
         			ind_dword = ind>>4;
         			ind_qpsk_symb = ind&0xf;
 
-        			output[k] = qpsk_p[(ue->nr_gold_pdsch[0][Ns][lp][ind_dword]>>(2*ind_qpsk_symb))&3];
+        			output[k] = qpsk_p[(nr_gold_pdsch[0][Ns][lp][ind_dword]>>(2*ind_qpsk_symb))&3];
 
 
 #ifdef DEBUG_DL_DMRS
@@ -131,9 +187,6 @@ int nr_pdsch_dmrs_rx(PHY_VARS_NR_UE *ue,
         		}
         	}
         }
-      } else {
-        LOG_E(PHY,"extended cp not supported for PDSCH DMRS yet\n");
-      }
   } else {
     LOG_E(PHY,"Illegal p %d PDSCH DMRS port\n",p);
   }

openair1/PHY/NR_REFSIG/nr_gold_ue.c

@@ -64,11 +64,54 @@ void nr_gold_pbch(PHY_VARS_NR_UE* ue)
 
 }
 
-void nr_gold_pdsch(PHY_VARS_NR_UE* ue,unsigned short lbar,unsigned int nr_gold_pdsch[2][20][2][21],unsigned int Nid_cell, unsigned short *n_idDMRS, unsigned short length_dmrs)
+void nr_gold_pdcch(PHY_VARS_NR_UE* ue,unsigned int Nid_cell, unsigned short n_idDMRS, unsigned short length_dmrs)
 {
 
   unsigned char ns,l;
-  unsigned int n,x1,x2,x2tmp0,x2tmp1, x2tmp2,x2s;
+  unsigned int n,x1,x2,x2tmp0;
+  unsigned int nid;
+
+    if (n_idDMRS)
+      nid = n_idDMRS;
+    else
+      nid = Nid_cell;
+
+    for (ns=0; ns<20; ns++) {
+
+      for (l=0; l<length_dmrs; l++) {
+
+    	x2tmp0 = ((14*ns+l+1)*((nid<<1)+1))<<17;
+        x2 = (x2tmp0+(nid<<1))%(1<<31);  //cinit
+
+        x1 = 1+ (1<<31);
+        x2=x2 ^ ((x2 ^ (x2>>1) ^ (x2>>2) ^ (x2>>3))<<31);
+
+        // skip first 50 double words (1600 bits)
+        for (n=1; n<50; n++) {
+          x1 = (x1>>1) ^ (x1>>4);
+          x1 = x1 ^ (x1<<31) ^ (x1<<28);
+          x2 = (x2>>1) ^ (x2>>2) ^ (x2>>3) ^ (x2>>4);
+          x2 = x2 ^ (x2<<31) ^ (x2<<30) ^ (x2<<29) ^ (x2<<28);
+            //printf("x1 : %x, x2 : %x\n",x1,x2);
+        }
+
+        for (n=0; n<10; n++) {
+          x1 = (x1>>1) ^ (x1>>4);
+          x1 = x1 ^ (x1<<31) ^ (x1<<28);
+          x2 = (x2>>1) ^ (x2>>2) ^ (x2>>3) ^ (x2>>4);
+          x2 = x2 ^ (x2<<31) ^ (x2<<30) ^ (x2<<29) ^ (x2<<28);
+          ue->nr_gold_pdcch[0][ns][l][n] = x1^x2;
+            //printf("n=%d : c %x\n",n,x1^x2);
+        }
+      }
+    }
+}
+
+void nr_gold_pdsch(PHY_VARS_NR_UE* ue,unsigned short lbar,unsigned int Nid_cell, unsigned short *n_idDMRS, unsigned short length_dmrs)
+{
+
+  unsigned char ns,l;
+  unsigned int n,x1,x2,x2tmp0;
   int nscid;
   unsigned int nid;
 
@@ -86,7 +129,7 @@ void nr_gold_pdsch(PHY_VARS_NR_UE* ue,unsigned short lbar,unsigned int nr_gold_p
       for (l=0; l<length_dmrs; l++) {
 
     	x2tmp0 = ((14*ns+(lbar+l)+1)*((nid<<1)+1))<<17;
-        x2 = (x2tmp0+(nid<<1))%(1<<31);  //cinit
+        x2 = (x2tmp0+(nid<<1)+nscid)%(1<<31);  //cinit
 
         x1 = 1+ (1<<31);
         x2=x2 ^ ((x2 ^ (x2>>1) ^ (x2>>2) ^ (x2>>3))<<31);
@@ -105,7 +148,7 @@ void nr_gold_pdsch(PHY_VARS_NR_UE* ue,unsigned short lbar,unsigned int nr_gold_p
           x1 = x1 ^ (x1<<31) ^ (x1<<28);
           x2 = (x2>>1) ^ (x2>>2) ^ (x2>>3) ^ (x2>>4);
           x2 = x2 ^ (x2<<31) ^ (x2<<30) ^ (x2<<29) ^ (x2<<28);
-          nr_gold_pdsch[nscid][ns][l][n] = x1^x2;
+          ue->nr_gold_pdsch[nscid][ns][l][n] = x1^x2;
             //printf("n=%d : c %x\n",n,x1^x2);
         }
 

openair1/PHY/NR_REFSIG/refsig_defs_ue.h

@@ -31,20 +31,36 @@
  */
 int nr_pbch_dmrs_rx(unsigned int *nr_gold_pbch,	int32_t *output	);
 
-/*int nr_pdsch_dmrs_rx(PHY_VARS_NR_UE *ue,
-						unsigned int ncp,
+/*!\brief This function generates the NR Gold sequence (38-211, Sec 5.2.1) for the PDCCH DMRS.
+@param PHY_VARS_NR_UE* ue structure provides configuration, frame parameters and the pointers to the 32 bits sequence storage tables
+ */
+int nr_pdcch_dmrs_rx(PHY_VARS_NR_UE *ue,
+						uint8_t eNB_offset,
+						unsigned int Ns,
+						unsigned int nr_gold_pdcch[7][20][3][10],
+						int32_t *output,
+						unsigned short p,
+						int length_dmrs,
+						unsigned short nb_rb_corset);
+
+int nr_pdsch_dmrs_rx(PHY_VARS_NR_UE *ue,
+						uint8_t eNB_offset,
 						unsigned int Ns,
 						unsigned int nr_gold_pdsch[2][20][2][21],
 						int32_t *output,
 						unsigned short p,
 						int length_dmrs,
-						unsigned short nb_pdsch_rb);*/
+						unsigned short nb_rb_pdsch);
 
 void nr_gold_pbch(PHY_VARS_NR_UE* ue);
 
+void nr_gold_pdcch(PHY_VARS_NR_UE* ue,
+					unsigned int Nid_cell,
+					unsigned short n_idDMRS,
+					unsigned short length_dmrs);
+
 void nr_gold_pdsch(PHY_VARS_NR_UE* ue,
 					unsigned short lbar,
-					unsigned int nr_gold_pdsch[2][20][2][21],
 					unsigned int Nid_cell,
 					unsigned short *n_idDMRS,
 					unsigned short length_dmrs);

openair1/PHY/NR_UE_ESTIMATION/filt16a_32.h

@@ -84,3 +84,28 @@ short filt16a_2l1[16] = {
 
 short filt16a_2r1[16] = {
 -4096,0,4096,8192,12288,16384,0,0,0,0,0,0,0,0,0,0};
+
+/*filter8*/
+short filt8_l0[8] = {
+16384,8192,0,0,0,0,0,0};
+
+short filt8_mr0[8] = {
+0,8192,16384,8192,0,-8192,0,0};
+
+short filt8_r0[8] = {
+0,8192,16384,24576,0,0,0,0};
+
+short filt8_m0[8] = {
+0,8192,16384,8192,0,0,0,0};
+
+short filt8_l1[8] = {
+24576,16384,0,0,0,0,0,0};
+
+short filt8_ml1[8] = {
+-8192,0,8192,16384,8192,0,0,0};
+
+short filt8_r1[8] = {
+0,0,8192,16384,0,0,0,0};
+
+short filt8_m1[8] = {
+0,0,8192,16384,8192,0,0,0};

openair1/PHY/NR_UE_ESTIMATION/nr_estimation.h

@@ -19,12 +19,12 @@
  *      contact@openairinterface.org
  */
 
-#ifndef __LTE_ESTIMATION_DEFS__H__
-#define __LTE_ESTIMATION_DEFS__H__
+#ifndef __NR_ESTIMATION_DEFS__H__
+#define __NR_ESTIMATION_DEFS__H__
 
 
 #include "PHY/defs_nr_UE.h"
-#include "PHY/defs_gNB.h"
+//#include "PHY/defs_gNB.h"
 /** @addtogroup _PHY_PARAMETER_ESTIMATION_BLOCKS_
  * @{
  */
@@ -42,13 +42,15 @@
 \param l symbol within slot
 \param symbol symbol within frame
 */
-int nr_dl_channel_estimation(PHY_VARS_NR_UE *ue,
+int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
                               uint8_t eNB_id,
                               uint8_t eNB_offset,
                               unsigned char Ns,
                               unsigned char p,
                               unsigned char l,
-                              unsigned char symbol);
+                              unsigned char symbol,
+							  unsigned short coreset_start_subcarrier,
+							  unsigned short nb_rb_coreset);
 
 int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
                               uint8_t eNB_id,
@@ -57,4 +59,14 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
                               unsigned char p,
                               unsigned char l,
                               unsigned char symbol);
+
+int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
+                              uint8_t eNB_id,
+                              uint8_t eNB_offset,
+                              unsigned char Ns,
+                              unsigned char p,
+                              unsigned char l,
+                              unsigned char symbol,
+							  unsigned short bwp_start_subcarrier,
+							  unsigned short nb_rb_pdsch);
 #endif

openair1/PHY/NR_UE_TRANSPORT/dci_nr.c

@@ -1141,16 +1141,15 @@ void nr_pdcch_extract_rbs_single(int32_t **rxdataF,
 
   for (aarx = 0; aarx < frame_parms->nb_antennas_rx; aarx++) {
     if (high_speed_flag == 1){
-      dl_ch0 = &dl_ch_estimates[aarx][5 + (symbol * (frame_parms->ofdm_symbol_size))];
+      dl_ch0 = &dl_ch_estimates[aarx][(symbol * (frame_parms->ofdm_symbol_size))];
       #ifdef NR_PDCCH_DCI_DEBUG
-        printf("\t\t<-NR_PDCCH_DCI_DEBUG (nr_pdcch_extract_rbs_single)-> dl_ch0 = &dl_ch_estimates[aarx = (%d)][5 + (symbol * (frame_parms->ofdm_symbol_size (%d))) = (%d)]\n",
-               aarx,frame_parms->ofdm_symbol_size,5 + (symbol * (frame_parms->ofdm_symbol_size)));
-        printf("\t\t<-NR_PDCCH_DCI_DEBUG (nr_pdcch_extract_rbs_single)-> why pointer is pointing to that position (what does '5' mean)?\n");
+        printf("\t\t<-NR_PDCCH_DCI_DEBUG (nr_pdcch_extract_rbs_single)-> dl_ch0 = &dl_ch_estimates[aarx = (%d)][ (symbol * (frame_parms->ofdm_symbol_size (%d))) = (%d)]\n",
+               aarx,frame_parms->ofdm_symbol_size,(symbol * (frame_parms->ofdm_symbol_size)));
       #endif
     } else {
-      dl_ch0 = &dl_ch_estimates[aarx][5];
+      dl_ch0 = &dl_ch_estimates[aarx][0];
       #ifdef NR_PDCCH_DCI_DEBUG
-        printf("\t\t<-NR_PDCCH_DCI_DEBUG (nr_pdcch_extract_rbs_single)-> dl_ch0 = &dl_ch_estimates[aarx = (%d)][5]\n",aarx);
+        printf("\t\t<-NR_PDCCH_DCI_DEBUG (nr_pdcch_extract_rbs_single)-> dl_ch0 = &dl_ch_estimates[aarx = (%d)][0]\n",aarx);
       #endif
     }
 

openair1/PHY/NR_UE_TRANSPORT/nr_initial_sync.c

@@ -68,28 +68,31 @@ int nr_pbch_detection(PHY_VARS_NR_UE *ue, runmode_t mode)
   frame_parms->nb_prefix_samples0 = 0;
 
   //symbol 1
-  slot_fep_pbch(ue,
+  nr_slot_fep(ue,
     	   1,
     	   0,
     	   ue->rx_offset,
     	   0,
-    	   1);
+    	   1,
+		   NR_PBCH_EST);
 
   //symbol 2
-  slot_fep_pbch(ue,
+  nr_slot_fep(ue,
     	   2,
     	   0,
     	   ue->rx_offset,
     	   0,
-    	   1);
+    	   1,
+		   NR_PBCH_EST);
 
   //symbol 3
-  slot_fep_pbch(ue,
+  nr_slot_fep(ue,
     	   3,
     	   0,
     	   ue->rx_offset,
     	   0,
-    	   1);
+    	   1,
+		   NR_PBCH_EST);
 
   frame_parms->nb_prefix_samples0 = nb_prefix_samples0;
 

openair1/PHY/NR_UE_TRANSPORT/sss_nr.c

@@ -424,20 +424,22 @@ int rx_sss_nr(PHY_VARS_NR_UE *ue, int32_t *tot_metric,uint8_t *phase_max)
 
   // Do FFTs for SSS/PSS
   // SSS
-  slot_fep_pbch(ue,
+  nr_slot_fep(ue,
            SSS_SYMBOL_NB,      // symbol number
            0,                  // Ns slot number
            ue->rx_offset,      // sample_offset of int16_t
            0,                  // no_prefix
-           1);                 // reset frequency estimation
+           1,                  // reset frequency estimation
+		   NR_SSS_EST);
 
   // PSS
-  slot_fep_pbch(ue,
+  nr_slot_fep(ue,
            PSS_SYMBOL_NB,
            0,
            ue->rx_offset,
            0,
-           1);
+           1,
+		   NR_SSS_EST);
 
   frame_parms->nb_prefix_samples0 = nb_prefix_samples0;
 

openair1/PHY/defs_nr_UE.h

@@ -312,6 +312,13 @@ typedef struct {
   UE_nr_rxtx_proc_t proc_rxtx[RX_NB_TH];
 } UE_nr_proc_t;
 
+typedef enum {
+  NR_PBCH_EST=0,
+  NR_PDCCH_EST,
+  NR_PDSCH_EST,
+  NR_SSS_EST,
+} NR_CHANNEL_EST_t;
+
 #define debug_msg if (((mac_xface->frame%100) == 0) || (mac_xface->frame < 50)) msg
 
 typedef struct {
@@ -1078,7 +1085,7 @@ typedef struct {
   uint32_t nr_gold_pdsch[2][20][2][21];
 
   /// PDCCH DMRS
-  uint32_t nr_gold_pdcch[10][3][42];
+  uint32_t nr_gold_pdcch[7][20][3][10];
 
   uint32_t X_u[64][839];
 

openair1/SCHED_NR_UE/phy_procedures_nr_ue.c

@@ -5901,6 +5901,7 @@ int phy_procedures_UE_RX(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t eNB_
   LOG_D(PHY," ------  --> FFT/ChannelEst/PDCCH slot 0: AbsSubframe %d.%d ------  \n", frame_rx%1024, nr_tti_rx);
 
 
+  nr_gold_pdcch(ue,ue->frame_parms.Nid_cell, 0, 3);
 
   for (; l<=3; l++) {
     if (abstraction_flag == 0) {
@@ -5908,12 +5909,13 @@ int phy_procedures_UE_RX(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t eNB_
         start_meas(&ue->ofdm_demod_stats);
 #endif
       VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_SLOT_FEP, VCD_FUNCTION_IN);
-      slot_fep_pbch(ue,
+      nr_slot_fep(ue,
          l,
          (nr_tti_rx<<1),
          0,
          0,
-         0);
+         0,
+		 NR_PDCCH_EST);
       VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_SLOT_FEP, VCD_FUNCTION_OUT);
 #if UE_TIMING_TRACE
       stop_meas(&ue->ofdm_demod_stats);
@@ -5970,6 +5972,17 @@ int phy_procedures_UE_RX(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t eNB_
 #endif
 
   LOG_D(PHY," ------ --> PDSCH ChannelComp/LLR slot 0: AbsSubframe %d.%d ------  \n", frame_rx%1024, nr_tti_rx);
+  //to update from pdsch config
+  nr_gold_pdsch(ue,0,ue->frame_parms.Nid_cell, 0, 1);
+
+  nr_slot_fep(ue,
+          2,  //to be updated from higher layer
+          (nr_tti_rx<<1),
+          0,
+          0,
+          0,
+ 		  NR_PDSCH_EST);
+
 #if UE_TIMING_TRACE
   start_meas(&ue->generic_stat);
 #endif
@@ -5994,7 +6007,6 @@ int phy_procedures_UE_RX(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t eNB_
   if ((ue->dlsch_SI[eNB_id]) && (ue->dlsch_SI[eNB_id]->active == 1)) {
     VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC_SI, VCD_FUNCTION_IN);
     ue_pdsch_procedures(ue,
-
 			proc,
 			eNB_id,
 			SI_PDSCH,

targets/RT/USER/nr-ue.c

@@ -827,7 +827,7 @@ void *UE_thread(void *arg) {
                                                             (void**)UE->common_vars.rxdata,
                                                             UE->frame_parms.ofdm_symbol_size+UE->frame_parms.nb_prefix_samples0,
                                                             UE->frame_parms.nb_antennas_rx),"");
-                    slot_fep_pbch(UE,0, 0, 0, 0, 0);
+                    nr_slot_fep(UE,0, 0, 0, 0, 0, NR_PBCH_EST);
                 } //UE->mode != loop_through_memory
                 else
                     rt_sleep_ns(1000*1000);