PentHertz
/
srsLTE
mirror of https://github.com/PentHertz/srsLTE.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Changed neighbour cell to find PSS over multiple frames

This commit is contained in:
Ismael Gomez 2017-12-13 10:20:19 +01:00
parent f3ee6c0009
commit 09dc96a370
1 changed files with 10 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
srsue/src/phy/phch_recv.cc
View File

@ -155,7 +155,6 @@ void phch_recv::radio_error()
}
void phch_recv::set_cfo(float cfo) {
Debug("set_ref_cfo=%f\n",cfo*15000);
srslte_ue_sync_set_cfo_ref(&ue_sync, cfo);
}
@ -645,9 +644,6 @@ void phch_recv::run_thread()
worker->set_cfo(ul_dl_factor * metrics.cfo / 15000);
worker_com->set_sync_metrics(metrics);
Debug("current_cfo=%f, pss_stable_cnt=%d, cfo_pss=%f Hz\n",
metrics.cfo, ue_sync.pss_stable_cnt, srslte_sync_get_cfo(&ue_sync.strack)*15000);
worker->set_sample_offset(srslte_ue_sync_get_sfo(&ue_sync)/1000);
/* Compute TX time: Any transmission happens in TTI+4 thus advance 4 ms the reception time */
@ -1193,7 +1189,8 @@ void phch_recv::scell_recv::init(srslte::log *log_h, bool sic_pss_enabled)
measure_p.init(sf_buffer, log_h, 1, DEFAULT_MEASUREMENT_LEN);
if(srslte_sync_init(&sync_find, 15*max_sf_size, 5*max_sf_size, max_fft_sz)) {
//do this different we don't need all this search window.
if(srslte_sync_init(&sync_find, 50*max_sf_size, 5*max_sf_size, max_fft_sz)) {
fprintf(stderr, "Error initiating sync_find\n");
return;
}
@ -1211,6 +1208,10 @@ void phch_recv::scell_recv::init(srslte::log *log_h, bool sic_pss_enabled)
sync_find.pss.chest_on_filter = true;
if (!sic_pss_enabled) {
sync_find.sss_channel_equalize = false;
}
reset();
}
@ -1255,7 +1256,10 @@ int phch_recv::scell_recv::find_cells(cf_t *input_buffer, float rx_gain_offset,
srslte_sync_reset(&sync_find);
srslte_sync_cfo_reset(&sync_find);
sync_res = srslte_sync_find(&sync_find, input_buffer, 0, &peak_idx);
int sf5_cnt=0;
do {
sync_res = srslte_sync_find(&sync_find, input_buffer, sf5_cnt*5*sf_len, &peak_idx);
} while(sync_res != SRSLTE_SYNC_FOUND && sf5_cnt < nof_sf/5);
switch(sync_res) {
case SRSLTE_SYNC_ERROR: