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

fix for UE reception of PDCCH not starting from symbol 0

Browse Source
This commit is contained in:
francescomani
2025-05-06 16:00:42 +02:00
parent 9b878d920d
commit f41c572aff
2 changed files with 5 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
+1 -2
View File
@@ -826,8 +826,7 @@ void nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
unsigned short coreset_start_subcarrier = first_carrier_offset+(BWPStart + coreset_start_rb)*12;
#ifdef DEBUG_PDCCH
printf("PDCCH Channel Estimation : gNB_id %d ch_offset %d, OFDM size %d, Ncp=%d, slot=%d, symbol %d\n",
gNB_id,
printf("PDCCH Channel Estimation : ch_offset %d, OFDM size %d, Ncp=%d, slot=%d, symbol %d\n",
ch_offset,
ue->frame_parms.ofdm_symbol_size,
ue->frame_parms.Ncp,
openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
+4 -5
View File
@@ -977,7 +977,9 @@ int pbch_pdcch_processing(PHY_VARS_NR_UE *ue, const UE_nr_rxtx_proc_t *proc, nr_
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_SLOT_FEP_PDCCH, VCD_FUNCTION_IN);
uint8_t nb_symb_pdcch = phy_pdcch_config->nb_search_space > 0 ? phy_pdcch_config->pdcch_config[0].coreset.duration : 0;
for (uint16_t l=0; l<nb_symb_pdcch; l++) {
int first_symb_pdcch = phy_pdcch_config->nb_search_space > 0 ? phy_pdcch_config->pdcch_config[0].coreset.StartSymbolIndex : 0;
int last_symb_pdcch = first_symb_pdcch + nb_symb_pdcch;
for (int l = first_symb_pdcch; l < last_symb_pdcch; l++) {
nr_slot_fep(ue, fp, proc->nr_slot_rx, l, rxdataF, link_type_dl, 0, ue->common_vars.rxdata);
}
@@ -987,10 +989,8 @@ int pbch_pdcch_processing(PHY_VARS_NR_UE *ue, const UE_nr_rxtx_proc_t *proc, nr_
uint8_t dci_cnt = 0;
for(int n_ss = 0; n_ss<phy_pdcch_config->nb_search_space; n_ss++) {
for (uint16_t l=0; l<nb_symb_pdcch; l++) {
for (int l = first_symb_pdcch; l < last_symb_pdcch; l++) {
// note: this only works if RBs for PDCCH are contigous!
nr_pdcch_channel_estimation(ue,
proc,
l,
@@ -1000,7 +1000,6 @@ int pbch_pdcch_processing(PHY_VARS_NR_UE *ue, const UE_nr_rxtx_proc_t *proc, nr_
pdcch_est_size,
pdcch_dl_ch_estimates,
rxdataF);
}
dci_cnt = dci_cnt + nr_ue_pdcch_procedures(ue, proc, pdcch_est_size, pdcch_dl_ch_estimates, phy_data, n_ss, rxdataF);
}