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added harq handling in gnb mac

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This commit is contained in:
Sakthivel Velumani
2020-05-22 12:41:28 +02:00
parent 03ce05571a
commit eb5a7a9ab1
7 changed files with 53 additions and 7 deletions
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openair2/NR_PHY_INTERFACE/NR_IF_Module.c
+37 -2
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@@ -76,8 +76,43 @@ void handle_nr_rach(NR_UL_IND_t *UL_info) {
}
void handle_nr_uci(NR_UL_IND_t *UL_info) {
void handle_nr_uci(NR_UL_IND_t *UL_info, NR_UE_sched_ctrl_t *sched_crtl) {
// TODO
int max_harq_rounds = 4; // TODO define macro
int num_ucis = UL_info->uci_ind.num_ucis;
nfapi_nr_uci_t *uci_list = UL_info->uci_ind.uci_list;
for (int i = 0; i < num_ucis; i++) {
switch (uci_list[i].pdu_type) {
case NFAPI_NR_UCI_PDCCH_PDU_TYPE: break;
case NFAPI_NR_UCI_FORMAT_0_1_PDU_TYPE:
nfapi_nr_uci_pucch_pdu_format_0_1_t *uci_pdu = &uci_list[i].pucch_pdu_format_0_1;
// handle harq
int harq_idx_s = 0;
// iterate over received harq bits
for (int harq_bit = 0; harq_bit < uci_pdu->harq->num_harq; harq_bit++) {
// search for the right harq process
for (int harq_idx = harq_idx_s; harq_idx < NR_MAX_NB_HARQ_PROCESSES-1; harq_idx++) {
if ((UL_info->slot-1) == sched_ctrl->harq_processes[harq_idx].feedback_slot) {
if (uci_pdu->harq->harq_list[harq_bit].harq_value == 0)
sched_ctrl->harq_processes[harq_idx].round++;
if ((uci_pdu->harq->harq_list[harq_bit].harq_value == 1) ||
(sched_ctrl->harq_processes[harq_idx].round == max_harq_rounds)) {
sched_ctrl->harq_processes[harq_idx].ndi ^= 1;
sched_ctrl->harq_processes[harq_idx].round = 0;
}
harq_idx_s = harq_idx + 1;
break;
}
}
}
break;
case NFAPI_NR_UCI_FORMAT_2_3_4_PDU_TYPE: break;
}
}
UL_info->uci_ind.num_ucis = 0;
}
@@ -180,7 +215,7 @@ void NR_UL_indication(NR_UL_IND_t *UL_info) {
// clear DL/UL info for new scheduling round
clear_nr_nfapi_information(mac,CC_id,UL_info->frame,UL_info->slot);
handle_nr_rach(UL_info);
handle_nr_uci(UL_info);
handle_nr_uci(UL_info, mac->UE_list->UE_sched_ctrl[0]);
// clear HI prior to handling ULSCH
mac->UL_dci_req[CC_id].numPdus = 0;
handle_nr_ulsch(UL_info);