Suppressing PSS & SSS detection logs

Changed Info to Debug because the logs are too much if large number of
GSCN scans run concurrently. Print PSS correlation peak and average
power of detected cells.

openair1/PHY/NR_REFSIG/pss_nr.h

@@ -83,7 +83,9 @@ int pss_synchro_nr(const c16_t **rxdata,
                    bool fo_flag,
                    int target_Nid_cell,
                    int *nid2,
-                   int *f_off);
+                   int *f_off,
+                   int *pssPeak,
+                   int *pssAvg);
 void generate_pss_nr_time(const NR_DL_FRAME_PARMS *fp, const int N_ID_2, int ssbFirstSCS, c16_t pssTime[fp->ofdm_symbol_size]);
 int16_t *get_primary_synchro_nr2(const int nid2);
 

openair1/PHY/NR_UE_TRANSPORT/nr_initial_sync.c

@@ -213,7 +213,9 @@ void nr_scan_ssb(void *arg)
                                         ssbInfo->foFlag,
                                         ssbInfo->targetNidCell,
                                         &nid2,
-                                        &freq_offset_pss);
+                                        &freq_offset_pss,
+                                        &ssbInfo->pssCorrPeakPower,
+                                        &ssbInfo->pssCorrAvgPower);
     if (sync_pos < fp->nb_prefix_samples)
       continue;
 
@@ -225,7 +227,7 @@ void nr_scan_ssb(void *arg)
 #endif
     /* check that SSS/PBCH block is continuous inside the received buffer */
     if (ssbInfo->ssbOffset + NR_N_SYMBOLS_SSB * (fp->ofdm_symbol_size + fp->nb_prefix_samples) >= fp->samples_per_frame) {
-      LOG_I(PHY, "Can't try to decode SSS from PSS position, will retry (PSS circular buffer wrapping): sync_pos %d\n", sync_pos);
+      LOG_D(PHY, "Can't try to decode SSS from PSS position, will retry (PSS circular buffer wrapping): sync_pos %d\n", sync_pos);
       continue;
     }
 
@@ -337,10 +339,12 @@ nr_initial_sync_t nr_initial_sync(UE_nr_rxtx_proc_t *proc, PHY_VARS_NR_UE *ue, i
     nr_ue_ssb_scan_t *ssbInfo = (nr_ue_ssb_scan_t *)NotifiedFifoData(req);
     if (ssbInfo->syncRes.cell_detected) {
       LOG_A(NR_PHY,
-            "Cell Detected with GSCN: %d, SSB SC offset: %d, SSB Ref: %lf\n",
+            "Cell Detected with GSCN: %d, SSB SC offset: %d, SSB Ref: %lf, PSS Corr peak: %d dB, PSS Corr Average: %d\n",
             ssbInfo->gscnInfo.gscn,
             ssbInfo->gscnInfo.ssbFirstSC,
-            ssbInfo->gscnInfo.ssRef);
+            ssbInfo->gscnInfo.ssRef,
+            ssbInfo->pssCorrPeakPower,
+            ssbInfo->pssCorrAvgPower);
       if (!res.syncRes.cell_detected) { // take the first cell detected
         res = *ssbInfo;
       }

openair1/PHY/NR_UE_TRANSPORT/pss_nr.c

@@ -57,7 +57,9 @@ static int pss_search_time_nr(const c16_t **rxdata,
                               int is,
                               int target_Nid_cell,
                               int *nid2,
-                              int *f_off);
+                              int *f_off,
+                              int *pssPeak,
+                              int *pssAvg);
 
 static int16_t primary_synchro_nr2[NUMBER_PSS_SEQUENCE][LENGTH_PSS_NR] = {0};
 static c16_t primary_synchro[NUMBER_PSS_SEQUENCE][LENGTH_PSS_NR] = {0};
@@ -390,7 +392,9 @@ int pss_synchro_nr(const c16_t **rxdata,
                    bool fo_flag,
                    int target_Nid_cell,
                    int *nid2,
-                   int *f_off)
+                   int *f_off,
+                   int *pssPeak,
+                   int *pssAvg)
 {
   VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PSS_SYNCHRO_NR, VCD_FUNCTION_IN);
 #ifdef DBG_PSS_NR
@@ -415,7 +419,8 @@ int pss_synchro_nr(const c16_t **rxdata,
 
   VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PSS_SEARCH_TIME_NR, VCD_FUNCTION_IN);
 
-  int synchro_position = pss_search_time_nr(rxdata, frame_parms, pssTime, fo_flag, is, target_Nid_cell, nid2, f_off);
+  int synchro_position =
+      pss_search_time_nr(rxdata, frame_parms, pssTime, fo_flag, is, target_Nid_cell, nid2, f_off, pssPeak, pssAvg);
 
   VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PSS_SEARCH_TIME_NR, VCD_FUNCTION_OUT);
 
@@ -427,7 +432,7 @@ int pss_synchro_nr(const c16_t **rxdata,
 
   #ifndef NR_UNIT_TEST
 
-  LOG_I(PHY,"PSS execution duration %4d microseconds \n", duration_ms);
+  LOG_D(PHY,"PSS execution duration %4d microseconds \n", duration_ms);
 
   #endif
 
@@ -511,7 +516,9 @@ static int pss_search_time_nr(const c16_t **rxdata,
                               int is,
                               int target_Nid_cell,
                               int *nid2,
-                              int *f_off)
+                              int *f_off,
+                              int *pssPeak,
+                              int *pssAvg)
 {
   unsigned int n, ar, peak_position, pss_source;
   int64_t peak_value;
@@ -620,8 +627,10 @@ static int pss_search_time_nr(const c16_t **rxdata,
     avg[pss_index] /= (length / 4);
 
   *nid2 = pss_source;
+  *pssPeak = dB_fixed64(peak_value);
+  *pssAvg = dB_fixed64(avg[pss_source]);
 
-  LOG_I(PHY,
+  LOG_D(PHY,
         "[UE] nr_synchro_time: Sync source (nid2) = %d, Peak found at pos %d, val = %ld (%d dB power over signal avg %d dB), ffo "
         "%lf\n",
         pss_source,

openair1/PHY/NR_UE_TRANSPORT/sss_nr.c

@@ -500,7 +500,7 @@ bool rx_sss_nr(const NR_DL_FRAME_PARMS *frame_parms,
   int re = 0;
   int im = 0;
   if (Nid1 == N_ID_1_NUMBER) {
-    LOG_W(PHY,
+    LOG_D(PHY,
           "Failed to detect SSS after PSS, metric of SSS %d, threshold to consider SSS valid %d, detected PCI: %d\n",
           *tot_metric,
           SSS_METRIC_FLOOR_NR,
@@ -516,7 +516,7 @@ bool rx_sss_nr(const NR_DL_FRAME_PARMS *frame_parms,
   *freq_offset_sss = (int)(ffo_sss*frame_parms->subcarrier_spacing);
 
   double ffo_pss = ((double)freq_offset_pss) / frame_parms->subcarrier_spacing;
-  LOG_W(NR_PHY,
+  LOG_D(NR_PHY,
         "SSS detected, PCI: %d, ffo_pss %f (%i Hz), ffo_sss %f (%i Hz),  ffo_pss+ffo_sss %f (%i Hz), nid1: %d, nid2: %d\n",
         *Nid_cell,
         ffo_pss,

openair1/PHY/defs_nr_UE.h

@@ -642,6 +642,8 @@ typedef struct {
   int freqOffset;
   nr_initial_sync_t syncRes;
   fapiPbch_t pbchResult;
+  int pssCorrPeakPower;
+  int pssCorrAvgPower;
 } nr_ue_ssb_scan_t;
 
 typedef struct nr_phy_data_tx_s {