Fine tune in cell measurement

lte/examples/cell_measurement.c

@@ -42,12 +42,12 @@
 #include "cuhd_utils.h"
 
 #define B210_DEFAULT_GAIN         40.0
-#define B210_DEFAULT_GAIN_CORREC  80.0 // Gain of the Rx chain when the gain is set to 40
+#define B210_DEFAULT_GAIN_CORREC  110.0 // Gain of the Rx chain when the gain is set to 40
 
 float gain_offset = B210_DEFAULT_GAIN_CORREC;
 
 cell_search_cfg_t cell_detect_config = {
-  500, // maximum number of frames to receive for MIB decoding
+  5000, // maximum number of frames to receive for MIB decoding
   50, // maximum number of frames to receive for PSS correlation 
   9.0 // early-stops cell detection if mean PSR is above this value 
 };

lte/examples/pdsch_ue.c

@@ -48,12 +48,13 @@ void do_plots(ue_dl_t *q, uint32_t sf_idx, ue_sync_t *qs);
 
 
 #define B210_DEFAULT_GAIN         40.0
-#define B210_DEFAULT_GAIN_CORREC  80.0 // Gain of the Rx chain when the gain is set to 40
+#define B210_DEFAULT_GAIN_CORREC  110.0 // Gain of the Rx chain when the gain is set to 40
 
 float gain_offset = B210_DEFAULT_GAIN_CORREC;
 
 
 cell_search_cfg_t cell_detect_config = {
+  5000,
   100, // nof_frames_total 
   4.0 // threshold
 };

lte/phy/lib/ue/src/ue_mib.c

@@ -214,7 +214,9 @@ int ue_mib_sync_decode(ue_mib_sync_t * q,
         break; 
       } else if (ue_sync_get_sfidx(&q->ue_sync) == 0) {
         if (ret == 1) {
+          ue_mib_reset(&q->ue_mib);
           mib_ret = ue_mib_decode(&q->ue_mib, sf_buffer, bch_payload, nof_tx_ports, sfn_offset);          
+          
         } else {
           INFO("Resetting PBCH decoder after %d frames\n", q->ue_mib.frame_cnt);
           ue_mib_reset(&q->ue_mib);

lte/phy/lib/ue/src/ue_sync.c

@@ -42,7 +42,7 @@ cf_t dummy[MAX_TIME_OFFSET];
 
 #define TRACK_MAX_LOST          10
 #define TRACK_FRAME_SIZE        32
-#define FIND_NOF_AVG_FRAMES     4
+#define FIND_NOF_AVG_FRAMES     2
 
 int ue_sync_init(ue_sync_t *q, 
                  lte_cell_t cell,
@@ -119,7 +119,7 @@ int ue_sync_init(ue_sync_t *q,
       sync_set_em_alpha(&q->sfind, 1);
       q->nof_avg_find_frames = 1; 
       sync_set_threshold(&q->sfind, 2.0);
-      sync_set_threshold(&q->strack, 1.4);
+      sync_set_threshold(&q->strack, 1.2);
 
       /* Correct CFO in the find state but not in the track state, since is called only 
        * 1 every 5 subframes. Will do it in the ue_sync_get_buffer() function.