Minor fixes and improvements

srslte/include/srslte/common/phy_common.h

@@ -128,7 +128,7 @@ typedef enum {SRSLTE_CP_NORM, SRSLTE_CP_EXT} srslte_cp_t;
 #define SRSLTE_NOF_LTE_BANDS 29
 
 #define SRSLTE_DEFAULT_MAX_FRAMES_PBCH      500
-#define SRSLTE_DEFAULT_MAX_FRAMES_PSS       50
+#define SRSLTE_DEFAULT_MAX_FRAMES_PSS       10
 #define SRSLTE_DEFAULT_NOF_VALID_PSS_FRAMES 10
 
 

srslte/lib/ch_estimation/src/chest_dl.c

@@ -125,14 +125,8 @@ int srslte_chest_dl_init(srslte_chest_dl_t *q, srslte_cell_t cell)
       goto clean_exit;
     }
     
-    q->smooth_filter_len = 0; 
-
-#ifdef DEFAULT_FILTER_LEN 
-    set_default_filter(q, DEFAULT_FILTER_LEN);
-#else
-    float fil[3] = {0.1, 0.8, 0.1}; 
-    srslte_chest_dl_set_smooth_filter(q, fil, 3);
-#endif    
+    q->smooth_filter_len = 3; 
+    srslte_chest_dl_set_smooth_filter3_coeff(q, 0.1);
     
     q->cell = cell; 
   }

srslte/lib/sync/src/sync.c

@@ -471,7 +471,7 @@ srslte_sync_find_ret_t srslte_sync_find(srslte_sync_t *q, cf_t *input, uint32_t
       ret = SRSLTE_SYNC_NOFOUND;
     }
     
-    INFO("SYNC ret=%d N_id_2=%d find_offset=%d frame_len=%d, pos=%d peak=%.2f threshold=%.2f sf_idx=%d, CFO=%.3f KHz\n",
+    DEBUG("SYNC ret=%d N_id_2=%d find_offset=%d frame_len=%d, pos=%d peak=%.2f threshold=%.2f sf_idx=%d, CFO=%.3f KHz\n",
          ret, q->N_id_2, find_offset, q->frame_size, peak_pos, q->peak_value, 
          q->threshold, q->sf_idx, 15*(q->cfo_i+q->mean_cfo));
 

srslte/lib/ue/src/ue_dl.c

@@ -102,7 +102,7 @@ int srslte_ue_dl_init(srslte_ue_dl_t *q,
       fprintf(stderr, "Error initiating SFO correct\n");
       goto clean_exit;
     }
-    srslte_cfo_set_tol(&q->sfo_correct, 0);
+    srslte_cfo_set_tol(&q->sfo_correct, 1e-5/q->fft.symbol_sz);
     
     q->sf_symbols = srslte_vec_malloc(CURRENT_SFLEN_RE * sizeof(cf_t));
     if (!q->sf_symbols) {
@@ -194,12 +194,16 @@ int srslte_ue_dl_decode_fft_estimate(srslte_ue_dl_t *q, cf_t *input, uint32_t sf
     
     /* Correct SFO multiplying by complex exponential in the time domain */
     if (q->sample_offset) {
+      struct timeval t[3];
+      gettimeofday(&t[1], NULL);
       for (int i=0;i<2*SRSLTE_CP_NSYMB(q->cell.cp);i++) {
         srslte_cfo_correct(&q->sfo_correct, 
                          &q->sf_symbols[i*q->cell.nof_prb*SRSLTE_NRE], 
                          &q->sf_symbols[i*q->cell.nof_prb*SRSLTE_NRE], 
                          q->sample_offset / q->fft.symbol_sz);
       }
+      gettimeofday(&t[2], NULL);
+      get_time_interval(t);
     }
     
     return srslte_ue_dl_decode_estimate(q, sf_idx, cfi); 

srslte/lib/ue/src/ue_sync.c

@@ -361,7 +361,7 @@ static int track_peak_ok(srslte_ue_sync_t *q, uint32_t track_idx) {
     q->sf_idx = srslte_sync_get_sf_idx(&q->strack);
     q->frame_no_cnt++;
     if (q->frame_no_cnt >= TRACK_MAX_LOST) {
-      printf("\n%d frames lost. Going back to FIND\n", (int) q->frame_no_cnt);
+      INFO("\n%d frames lost. Going back to FIND\n", (int) q->frame_no_cnt);
       q->state = SF_FIND;
     }
   } else {
@@ -426,7 +426,7 @@ static int track_peak_no(srslte_ue_sync_t *q) {
   /* if we missed too many PSS go back to FIND and consider this frame unsynchronized */
   q->frame_no_cnt++; 
   if (q->frame_no_cnt >= TRACK_MAX_LOST) {
-    printf("\n%d frames lost. Going back to FIND\n", (int) q->frame_no_cnt);
+    INFO("\n%d frames lost. Going back to FIND\n", (int) q->frame_no_cnt);
     q->state = SF_FIND;
     return 0; 
   } else {
@@ -622,6 +622,7 @@ int srslte_ue_sync_zerocopy(srslte_ue_sync_t *q, cf_t *input_buffer) {
 void srslte_ue_sync_reset(srslte_ue_sync_t *q) {
 
   if (!q->file_mode) {
+    srslte_sync_reset(&q->sfind);
     srslte_sync_reset(&q->strack);
   } else {
     q->sf_idx = 9;