fixeria/srsRAN
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

Fixed feedback loop in CFO correction

Browse source
This commit is contained in:
Ismael Gomez 2017-11-29 18:54:45 +01:00
parent dbaf014b00
commit 6e0c24c7ee
1 changed files with 3 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
lib/src/phy/ue/ue_sync.c
View file

@ -47,8 +47,8 @@
#define DEFAULT_SAMPLE_OFFSET_CORRECT_PERIOD 0
#define DEFAULT_SFO_EMA_COEFF 0.1
#define DEFAULT_CFO_BW 0.2
#define DEFAULT_CFO_PSS_TOL 100 // typical accuracy of PSS estimation
#define DEFAULT_CFO_BW 0.7
#define DEFAULT_CFO_PSS_TOL 80 // typical accuracy of PSS estimation
cf_t dummy_buffer0[15*2048/2];
cf_t dummy_buffer1[15*2048/2];
@ -538,7 +538,7 @@ static int track_peak_ok(srslte_ue_sync_t *q, uint32_t track_idx) {
* Since sync track has enabled only PSS-based correlation, get_cfo() returns that value only, already filtered.
*/
INFO("TRACK: cfo_current: %f, cfo_strack=%f\n", 15000*q->cfo_current_value, 15000*srslte_sync_get_cfo(&q->strack));
if (abs(srslte_sync_get_cfo(&q->strack)*q->cfo_loop_bw) > q->cfo_pss_tol) {
if (15000*fabsf(srslte_sync_get_cfo(&q->strack)) > q->cfo_pss_tol) {
q->cfo_current_value += srslte_sync_get_cfo(&q->strack)*q->cfo_loop_bw;
}