maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge remote-tracking branch 'origin/fix_calc_power_csirs' into integration_2022_wk36b

Browse Source
This commit is contained in:
Robert Schmidt
2022-09-08 20:42:54 +02:00
parent 2b69a717c1 0cffceddb3
commit 8f5868dccf
1 changed files with 7 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair1/PHY/NR_UE_TRANSPORT/csi_rx.c
+6 -5
View File
@@ -261,16 +261,17 @@ int nr_get_csi_rs_signal(const PHY_VARS_NR_UE *ue,
return 0; return 0;
} }
uint32_t calc_power_csirs(const uint16_t *x, const fapi_nr_dl_config_csirs_pdu_rel15_t *csirs_config_pdu) { uint32_t calc_power_csirs(const uint16_t *x, const fapi_nr_dl_config_csirs_pdu_rel15_t *csirs_config_pdu)
{
uint64_t sum_x = 0; uint64_t sum_x = 0;
uint64_t sum_x2 = 0; uint64_t sum_x2 = 0;
uint16_t size = 0; uint16_t size = 0;
for (int rb = csirs_config_pdu->start_rb; rb < (csirs_config_pdu->start_rb+csirs_config_pdu->nr_of_rbs); rb++) { for (int rb = 0; rb < csirs_config_pdu->nr_of_rbs; rb++) {
if (csirs_config_pdu->freq_density <= 1 && csirs_config_pdu->freq_density != (rb % 2)) { if (csirs_config_pdu->freq_density <= 1 && csirs_config_pdu->freq_density != ((rb + csirs_config_pdu->start_rb) % 2)) {
continue; continue;
} }
sum_x = sum_x + x[rb-csirs_config_pdu->start_rb]; sum_x = sum_x + x[rb];
sum_x2 = sum_x2 + x[rb]*x[rb-csirs_config_pdu->start_rb]; sum_x2 = sum_x2 + x[rb] * x[rb];
size++; size++;
} }
return sum_x2 / size - (sum_x / size) * (sum_x / size); return sum_x2 / size - (sum_x / size) * (sum_x / size);