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handling of PDCCH order. stoping UE-specific scheduler during RA procedure. checking for DCI format (resource allocation) to not overwrite resource_block_coding for format 1A DCIs.

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This commit is contained in:
Raymond Knopp
2017-10-09 01:25:23 +02:00
parent 6bfc0d63b4
commit 8e6cc01905
7 changed files with 77 additions and 33 deletions
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openair2/LAYER2/MAC/eNB_scheduler.c
+4 -11
View File
@@ -330,12 +330,11 @@ void check_ul_failure(module_id_t module_idP,int CC_id,int UE_id,
// check uplink failure
if ((UE_list->UE_sched_ctrl[UE_id].ul_failure_timer>0)&&
(UE_list->UE_sched_ctrl[UE_id].ul_out_of_sync==0)) {
LOG_D(MAC,"UE %d rnti %x: UL Failure timer %d \n",UE_id,rnti,UE_list->UE_sched_ctrl[UE_id].ul_failure_timer);
LOG_I(MAC,"UE %d rnti %x: UL Failure timer %d \n",UE_id,rnti,UE_list->UE_sched_ctrl[UE_id].ul_failure_timer);
if (UE_list->UE_sched_ctrl[UE_id].ra_pdcch_order_sent==0) {
UE_list->UE_sched_ctrl[UE_id].ra_pdcch_order_sent=1;
// add a format 1A dci for this UE to request an RA procedure (only one UE per subframe)
LOG_D(MAC,"UE %d rnti %x: sending PDCCH order for RAPROC (failure timer %d) \n",UE_id,rnti,UE_list->UE_sched_ctrl[UE_id].ul_failure_timer);
nfapi_dl_config_request_pdu_t* dl_config_pdu = &DL_req[CC_id].dl_config_request_body.dl_config_pdu_list[DL_req[CC_id].dl_config_request_body.number_pdu];
memset((void*)dl_config_pdu,0,sizeof(nfapi_dl_config_request_pdu_t));
dl_config_pdu->pdu_type = NFAPI_DL_CONFIG_DCI_DL_PDU_TYPE;
@@ -351,16 +350,10 @@ void check_ul_failure(module_id_t module_idP,int CC_id,int UE_id,
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.resource_block_coding = pdcch_order_table[cc[CC_id].mib->message.dl_Bandwidth];
DL_req[CC_id].dl_config_request_body.number_dci++;
DL_req[CC_id].dl_config_request_body.number_pdu++;
/*
add_ue_spec_dci(&DL_req[CC_id],
rnti,
get_aggregation(get_tw_index(module_idP,CC_id),eNB_UE_stats->DL_cqi[0],format1A),
format1A,
NO_DLSCH);*/
LOG_I(MAC,"UE %d rnti %x: sending PDCCH order for RAPROC (failure timer %d), resource_block_coding %d \n",UE_id,rnti,UE_list->UE_sched_ctrl[UE_id].ul_failure_timer,dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.resource_block_coding);
}
else { // ra_pdcch_sent==1
LOG_D(MAC,"UE %d rnti %x: sent PDCCH order for RAPROC waiting (failure timer %d) \n",UE_id,rnti,UE_list->UE_sched_ctrl[UE_id].ul_failure_timer);
LOG_I(MAC,"UE %d rnti %x: sent PDCCH order for RAPROC waiting (failure timer %d) \n",UE_id,rnti,UE_list->UE_sched_ctrl[UE_id].ul_failure_timer);
if ((UE_list->UE_sched_ctrl[UE_id].ul_failure_timer % 40) == 0)
UE_list->UE_sched_ctrl[UE_id].ra_pdcch_order_sent=0; // resend every 4 frames
}
@@ -369,7 +362,7 @@ void check_ul_failure(module_id_t module_idP,int CC_id,int UE_id,
// check threshold
if (UE_list->UE_sched_ctrl[UE_id].ul_failure_timer > 200) {
// inform RRC of failure and clear timer
LOG_D(MAC,"UE %d rnti %x: UL Failure after repeated PDCCH orders: Triggering RRC \n",UE_id,rnti);
LOG_I(MAC,"UE %d rnti %x: UL Failure after repeated PDCCH orders: Triggering RRC \n",UE_id,rnti);
mac_eNB_rrc_ul_failure(module_idP,CC_id,frameP,subframeP,rnti);
UE_list->UE_sched_ctrl[UE_id].ul_failure_timer=0;
UE_list->UE_sched_ctrl[UE_id].ul_out_of_sync=1;
openair2/LAYER2/MAC/eNB_scheduler_RA.c
+16 -4
View File
@@ -388,7 +388,7 @@ void generate_Msg2(module_id_t module_idP,int CC_idP,frame_t frameP,sub_frame_t
{
if ((RA_template->Msg2_frame == frameP) && (RA_template->Msg2_subframe == subframeP)) {
LOG_D(MAC,"[eNB %d] CC_id %d Frame %d, subframeP %d: Generating RAR DCI, RA_active %d format 1A (%d,%d))\n",
LOG_I(MAC,"[eNB %d] CC_id %d Frame %d, subframeP %d: Generating RAR DCI, RA_active %d format 1A (%d,%d))\n",
module_idP, CC_idP, frameP, subframeP,
RA_template->RA_active,
@@ -860,7 +860,18 @@ void generate_Msg4(module_id_t module_idP,int CC_idP,frame_t frameP,sub_frame_t
1, // ndi
0, // rv
0); // vrb_flag
LOG_I(MAC,"Frame %d, subframe %d: Msg4 DCI pdu_num %d (rnti %x,rnti_type %d,harq_pid %d, resource_block_coding (%p) %d\n",
frameP,
subframeP,
dl_req->number_pdu,
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.rnti,
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.rnti_type,
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.harq_process,
&dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.resource_block_coding,
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.resource_block_coding);
AssertFatal(dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.resource_block_coding < 8192,
"resource_block_coding %u < 8192\n",
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.resource_block_coding);
if (!CCE_allocation_infeasible(module_idP,CC_idP,1,
subframeP,dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.aggregation_level,
RA_template->rnti)) {
@@ -936,6 +947,7 @@ void generate_Msg4(module_id_t module_idP,int CC_idP,frame_t frameP,sub_frame_t
(cc->p_eNB==1 ) ? 1 : 2, // transmission mode
1, // num_bf_prb_per_subband
1); // num_bf_vector
LOG_I(MAC,"Filled DLSCH config, pdu number %d, non-dci pdu_index %d\n",dl_req->number_pdu,eNB->pdu_index[CC_idP]);
// DL request
eNB->TX_req[CC_idP].sfn_sf = fill_nfapi_tx_req(&eNB->TX_req[CC_idP].tx_request_body,
@@ -1070,7 +1082,7 @@ void check_Msg4_retransmission(module_id_t module_idP,int CC_idP,frame_t frameP,
dl_req->number_dci++;
dl_req->number_pdu++;
LOG_D(MAC,"msg4 retransmission for rnti %x (round %d) fsf %d/%d\n", RA_template->rnti, round, frameP, subframeP);
LOG_I(MAC,"msg4 retransmission for rnti %x (round %d) fsf %d/%d\n", RA_template->rnti, round, frameP, subframeP);
// DLSCH Config
fill_nfapi_dlsch_config(eNB,
dl_req,
@@ -1152,7 +1164,7 @@ void schedule_RA(module_id_t module_idP,frame_t frameP, sub_frame_t subframeP)
if (RA_template->RA_active == TRUE) {
LOG_D(MAC,"[eNB %d][RAPROC] Frame %d, Subframe %d : CC_id %d RA %d is active (generate RAR %d, generate_Msg4 %d, wait_ack_Msg4 %d, rnti %x)\n",
LOG_I(MAC,"[eNB %d][RAPROC] Frame %d, Subframe %d : CC_id %d RA %d is active (generate RAR %d, generate_Msg4 %d, wait_ack_Msg4 %d, rnti %x)\n",
module_idP,frameP,subframeP,CC_id,i,RA_template->generate_rar,RA_template->generate_Msg4,RA_template->wait_ack_Msg4, RA_template->rnti);
if (RA_template->generate_rar == 1) generate_Msg2(module_idP,CC_id,frameP,subframeP,RA_template);
openair2/LAYER2/MAC/eNB_scheduler_dlsch.c
+7 -3
View File
@@ -635,6 +635,9 @@ schedule_ue_spec(
UE_list->eNB_UE_stats[CC_id][UE_id].harq_pid = harq_pid;
UE_list->eNB_UE_stats[CC_id][UE_id].harq_round = round;
if (UE_list->eNB_UE_stats[CC_id][UE_id].rrc_status < RRC_CONNECTED) continue;
sdu_length_total=0;
num_sdus=0;
@@ -1378,14 +1381,15 @@ fill_DLSCH_dci(
for (i=0;i<DL_req[CC_id].dl_config_request_body.number_pdu;i++) {
dl_config_pdu = &DL_req[CC_id].dl_config_request_body.dl_config_pdu_list[i];
if ((dl_config_pdu->pdu_type == NFAPI_DL_CONFIG_DCI_DL_PDU_TYPE)&&
(dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.rnti == rnti)) {
(dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.rnti == rnti) &&
(dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.dci_format != 1)) {
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.resource_block_coding = allocate_prbs_sub(nb_rb,N_RB_DL,N_RBG,rballoc_sub);
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.resource_allocation_type = 0;
}
else if ((dl_config_pdu->pdu_type == NFAPI_DL_CONFIG_DLSCH_PDU_TYPE)&&
(dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.rnti == rnti)) {
(dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.rnti == rnti) &&
(dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.resource_allocation_type==0)) {
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.resource_block_coding = allocate_prbs_sub(nb_rb,N_RB_DL,N_RBG,rballoc_sub);
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.resource_allocation_type = 0;
}
}
}