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Symbol based PDCCH processing

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1. Refactor PDCCH PHY functions to take rxdataF of one OFDM symbol and
   produce LLR for each search space. The modified functions take
   rxdataF in a different format than that produced by nr_slot_fep(). So
   for now a memcpy is used to change the array structure. Once
   nr_slot_fep() is modified, this memcpy will no longer be needed and
   will be removed.
2. Modify DCI functions to decode DCI in the last PDCCH symbol and
   inidcate to MAC once.
3. Fix PDCCH monitoring for start symbol > 0.
4. Fix multiple PDCCH monitoring within slot.

Co-authored-by: Sakthivel Velumani <mail@sakthi.me>
This commit is contained in:
Bartosz Podrygajlo
2025-10-21 12:03:01 +02:00
co-authored by Sakthivel Velumani
parent 07ce1ed145
commit ece9d51db3
9 changed files with 307 additions and 229 deletions
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openair2/LAYER2/NR_MAC_UE/nr_ue_dci_configuration.c
+1 -6
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@@ -307,12 +307,7 @@ static void config_dci_pdu(NR_UE_MAC_INST_t *mac,
break;
}
for (int i = 0; i < sps; i++) {
if ((monitoringSymbolsWithinSlot >> (sps - 1 - i)) & 1) {
rel15->coreset.StartSymbolIndex = i;
break;
}
}
rel15->coreset.StartSymbolBitmap = monitoringSymbolsWithinSlot;
uint32_t Y = 0;
if (ss->searchSpaceType->present == NR_SearchSpace__searchSpaceType_PR_ue_Specific)
Y = get_Y(ss, slot, rel15->rnti);