Skip to content

O
OpenXG-RAN
Commit 3ff26c8f authored by Robert Schmidt's avatar Robert Schmidt
Browse files
Options

Fix: Reset HARQ feedback slot 

If we schedule in a second slot, this ensures that the correct HARQ
process' NDI is toggled.
parent 8f03a80a
Hide whitespace changes
Inline Side-by-side
Showing with 10 additions and 4 deletions
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c
View file @ 3ff26c8f
......@@ -361,6 +361,7 @@ void nr_rx_acknack(nfapi_nr_uci_pusch_pdu_t *uci_pusch,
for (int harq_idx = harq_idx_s; harq_idx < NR_MAX_NB_HARQ_PROCESSES; harq_idx++) {
// if the gNB received ack with a good confidence
if ((UL_info->slot-1) == sched_ctrl->harq_processes[harq_idx].feedback_slot) {
sched_ctrl->harq_processes[harq_idx].feedback_slot = -1;
if ((uci_01->harq->harq_list[harq_bit].harq_value == 1) &&
(uci_01->harq->harq_confidence_level == 0)) {
// toggle NDI and reset round
......@@ -380,8 +381,10 @@ void nr_rx_acknack(nfapi_nr_uci_pusch_pdu_t *uci_pusch,
break;
}
// if feedback slot processing is aborted
else if (((UL_info->slot-1) > sched_ctrl->harq_processes[harq_idx].feedback_slot) &&
(sched_ctrl->harq_processes[harq_idx].is_waiting)) {
else if (sched_ctrl->harq_processes[harq_idx].feedback_slot != -1
&& (UL_info->slot-1) > sched_ctrl->harq_processes[harq_idx].feedback_slot
&& sched_ctrl->harq_processes[harq_idx].is_waiting) {
sched_ctrl->harq_processes[harq_idx].feedback_slot = -1;
sched_ctrl->harq_processes[harq_idx].round++;
if (sched_ctrl->harq_processes[harq_idx].round == max_harq_rounds) {
sched_ctrl->harq_processes[harq_idx].ndi ^= 1;
......@@ -405,6 +408,7 @@ void nr_rx_acknack(nfapi_nr_uci_pusch_pdu_t *uci_pusch,
// if the gNB received ack with a good confidence or if the max harq rounds was reached
if ((UL_info->slot-1) == sched_ctrl->harq_processes[harq_idx].feedback_slot) {
// TODO add some confidence level for when there is no CRC
sched_ctrl->harq_processes[harq_idx].feedback_slot = -1;
if ((uci_234->harq.harq_crc != 1) && acknack) {
// toggle NDI and reset round
sched_ctrl->harq_processes[harq_idx].ndi ^= 1;
......@@ -423,8 +427,10 @@ void nr_rx_acknack(nfapi_nr_uci_pusch_pdu_t *uci_pusch,
break;
}
// if feedback slot processing is aborted
else if (((UL_info->slot-1) > sched_ctrl->harq_processes[harq_idx].feedback_slot) &&
(sched_ctrl->harq_processes[harq_idx].is_waiting)) {
else if (sched_ctrl->harq_processes[harq_idx].feedback_slot != -1
&& (UL_info->slot-1) > sched_ctrl->harq_processes[harq_idx].feedback_slot
&& sched_ctrl->harq_processes[harq_idx].is_waiting) {
sched_ctrl->harq_processes[harq_idx].feedback_slot = -1;
sched_ctrl->harq_processes[harq_idx].round++;
if (sched_ctrl->harq_processes[harq_idx].round == max_harq_rounds) {
sched_ctrl->harq_processes[harq_idx].ndi ^= 1;
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment