Skip to content

O
OpenXG-RAN
Commit 74296261 authored by Thomas Schlichter's avatar Thomas Schlichter
Browse files
Options

gNB: fixes for no_harq mode

parent 4c9e1768
Show whitespace changes
Inline Side-by-side
Showing with 77 additions and 41 deletions
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c
View file @ 74296261
......@@ -1777,15 +1777,25 @@ static void nr_generate_Msg4(module_id_t module_idP,
remove_front_nr_list(&sched_ctrl->available_dl_harq);
}
NR_UE_harq_t *harq = &sched_ctrl->harq_processes[current_harq_pid];
NR_sched_pucch_t *pucch = &sched_ctrl->sched_pucch[alloc];
DevAssert(!harq->is_waiting);
/* for No-Harq case */
if (get_softmodem_params()->no_harq) {
add_tail_nr_list(&sched_ctrl->available_dl_harq, current_harq_pid);
harq->feedback_frame = -1;
harq->feedback_slot = -1;
harq->is_waiting = false;
harq->ndi ^=1;
harq->round =0;
} else {
add_tail_nr_list(&sched_ctrl->feedback_dl_harq, current_harq_pid);
harq->feedback_slot = pucch->ul_slot;
harq->feedback_frame = pucch->frame;
harq->is_waiting = true;
}
ra->harq_pid = current_harq_pid;
UE->mac_stats.dl.rounds[harq->round]++;
NR_sched_pucch_t *pucch = &sched_ctrl->sched_pucch[alloc];
harq->feedback_slot = pucch->ul_slot;
harq->feedback_frame = pucch->frame;
harq->tb_size = tb_size;
uint8_t *buf = (uint8_t *) harq->transportBlock;
......@@ -1864,9 +1874,29 @@ static void nr_generate_Msg4(module_id_t module_idP,
vrb_map[BWPStart + rb + rbStart] |= SL_to_bitmap(msg4_tda.startSymbolIndex, msg4_tda.nrOfSymbols);
}
/* for No-Harq case */
if (get_softmodem_params()->no_harq) {
LOG_I(NR_MAC,"UE %04x Generate msg4: feedback at %4d.%2d, payload %d bytes\n", ra->rnti, pucch->frame, pucch->ul_slot, harq->tb_size);
LOG_A(NR_MAC, "(UE RNTI 0x%04x) Skipping Ack of RA-Msg4. CBRA procedure succeeded!\n", ra->rnti);
UE->Msg4_ACKed = true;
UE->ra_timer = 0;
// Pause scheduling according to:
// 3GPP TS 38.331 Section 12 Table 12.1-1: UE performance requirements for RRC procedures for UEs
const NR_ServingCellConfig_t *servingCellConfig = UE->CellGroup && UE->CellGroup->spCellConfig ? UE->CellGroup->spCellConfig->spCellConfigDedicated : NULL;
uint32_t delay_ms = servingCellConfig && servingCellConfig->downlinkBWP_ToAddModList ?
NR_RRC_SETUP_DELAY_MS + NR_RRC_BWP_SWITCHING_DELAY_MS : NR_RRC_SETUP_DELAY_MS;
sched_ctrl->rrc_processing_timer = (delay_ms << ra->DL_BWP.scs);
LOG_I(NR_MAC, "(%d.%d) Activating RRC processing timer for UE %04x with %d ms\n", frameP, slotP, UE->rnti, delay_ms);
nr_clear_ra_proc(module_idP, CC_id, frameP, ra);
} else {
ra->state = WAIT_Msg4_ACK;
LOG_I(NR_MAC,"UE %04x Generate msg4: feedback at %4d.%2d, payload %d bytes, next state WAIT_Msg4_ACK\n", ra->rnti, pucch->frame, pucch->ul_slot, harq->tb_size);
}
}
}
static void nr_check_Msg4_Ack(module_id_t module_id, int CC_id, frame_t frame, sub_frame_t slot, NR_RA_t *ra)
......
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c
View file @ 74296261
......@@ -1000,12 +1000,22 @@ void nr_schedule_ue_spec(module_id_t module_id,
NR_tda_info_t *tda_info = &sched_pdsch->tda_info;
NR_pdsch_dmrs_t *dmrs_parms = &sched_pdsch->dmrs_parms;
NR_UE_harq_t *harq = &sched_ctrl->harq_processes[current_harq_pid];
NR_sched_pucch_t *pucch = &sched_ctrl->sched_pucch[sched_pdsch->pucch_allocation];
DevAssert(!harq->is_waiting);
/* for No-Harq case */
if (get_softmodem_params()->no_harq) {
add_tail_nr_list(&sched_ctrl->available_dl_harq, current_harq_pid);
harq->feedback_frame = -1;
harq->feedback_slot = -1;
harq->is_waiting = false;
harq->ndi ^=1;
harq->round =0;
} else {
add_tail_nr_list(&sched_ctrl->feedback_dl_harq, current_harq_pid);
NR_sched_pucch_t *pucch = &sched_ctrl->sched_pucch[sched_pdsch->pucch_allocation];
harq->feedback_frame = pucch->frame;
harq->feedback_slot = pucch->ul_slot;
harq->is_waiting = true;
}
UE->mac_stats.dl.rounds[harq->round]++;
LOG_D(NR_MAC,
"%4d.%2d [DLSCH/PDSCH/PUCCH] RNTI %04x DCI L %d start %3d RBs %3d startSymbol %2d nb_symbol %2d dmrspos %x MCS %2d nrOfLayers %d TBS %4d HARQ PID %2d round %d RV %d NDI %d dl_data_to_ULACK %d (%d.%d) PUCCH allocation %d TPC %d\n",
......
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c
View file @ 74296261
......@@ -391,11 +391,6 @@ static void handle_dl_harq(NR_UE_info_t * UE,
NR_UE_harq_t *harq = &UE->UE_sched_ctrl.harq_processes[harq_pid];
harq->feedback_slot = -1;
harq->is_waiting = false;
/* for No-harq case */
if (get_softmodem_params()->no_harq) {
success = true;
LOG_D(NR_MAC, "Dlharq id %d Released due to NO_HARQ flag.\n", harq_pid);
}
if (success) {
add_tail_nr_list(&UE->UE_sched_ctrl.available_dl_harq, harq_pid);
harq->round = 0;
......@@ -1099,6 +1094,7 @@ void handle_nr_uci_pucch_0_1(module_id_t mod_id,
if (((uci_01->pduBitmap >> 1) & 0x01)) {
// iterate over received harq bits
if (!get_softmodem_params()->no_harq) {
for (int harq_bit = 0; harq_bit < uci_01->harq->num_harq; harq_bit++) {
const uint8_t harq_value = uci_01->harq->harq_list[harq_bit].harq_value;
const uint8_t harq_confidence = uci_01->harq->harq_confidence_level;
......@@ -1107,16 +1103,14 @@ void handle_nr_uci_pucch_0_1(module_id_t mod_id,
LOG_E(NR_MAC, "UE %04x: Could not find a HARQ process at %4d.%2d!\n", UE->rnti, frame, slot);
break;
}
/* In no-harq case this condition is not valid !! */
if (!get_softmodem_params()->no_harq ) {
DevAssert(harq->is_waiting);
}
const int8_t pid = sched_ctrl->feedback_dl_harq.head;
remove_front_nr_list(&sched_ctrl->feedback_dl_harq);
LOG_D(NR_MAC,"%4d.%2d bit %d pid %d ack/nack %d\n",frame, slot, harq_bit,pid,harq_value);
handle_dl_harq(UE, pid, harq_value == 0 && harq_confidence == 0, nrmac->dl_bler.harq_round_max);
if (harq_confidence == 1) UE->mac_stats.pucch0_DTX++;
}
}
// tpc (power control) only if we received AckNack
if (uci_01->harq->harq_confidence_level==0)
......@@ -1177,6 +1171,7 @@ void handle_nr_uci_pucch_2_3_4(module_id_t mod_id,
if ((uci_234->pduBitmap >> 1) & 0x01) {
// iterate over received harq bits
if (!get_softmodem_params()->no_harq) {
for (int harq_bit = 0; harq_bit < uci_234->harq.harq_bit_len; harq_bit++) {
const int acknack = ((uci_234->harq.harq_payload[harq_bit >> 3]) >> harq_bit) & 0x01;
NR_UE_harq_t *harq = find_harq(frame, slot, UE, RC.nrmac[mod_id]->dl_bler.harq_round_max);
......@@ -1187,6 +1182,7 @@ void handle_nr_uci_pucch_2_3_4(module_id_t mod_id,
remove_front_nr_list(&sched_ctrl->feedback_dl_harq);
handle_dl_harq(UE, pid, uci_234->harq.harq_crc != 1 && acknack, nrmac->dl_bler.harq_round_max);
}
}
free(uci_234->harq.harq_payload);
}
if ((uci_234->pduBitmap >> 2) & 0x01) {
......
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