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put 50 PRB back in default enb configuration. added handling of UE release in L1/L2. detection of stale ULSCH configuration

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This commit is contained in:
Raymond Knopp
2017-10-08 13:04:08 +02:00
parent c9b8dfabb1
commit 6bfc0d63b4
8 changed files with 80 additions and 55 deletions
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openair1/PHY/LTE_TRANSPORT/dci_tools.c
+8 -4
View File
@@ -2402,7 +2402,9 @@ void fill_ulsch(PHY_VARS_eNB *eNB,nfapi_ul_config_ulsch_pdu *ulsch_pdu,int frame
uint8_t UE_id;
AssertFatal((UE_id=find_ulsch(ulsch_pdu->ulsch_pdu_rel8.rnti,eNB,SEARCH_EXIST_OR_FREE))>=0,
"No existing UE ULSCH for rnti %x\n",ulsch_pdu->ulsch_pdu_rel8.rnti);
"No existing/free UE ULSCH for rnti %x\n",ulsch_pdu->ulsch_pdu_rel8.rnti);
boolean_t new_ulsch = (find_ulsch(ulsch_pdu->ulsch_pdu_rel8.rnti,eNB,SEARCH_EXIST)==-1) ? TRUE : FALSE;
LTE_eNB_ULSCH_t *ulsch=eNB->ulsch[UE_id];
LTE_DL_FRAME_PARMS *frame_parms = &eNB->frame_parms;
@@ -2414,6 +2416,7 @@ void fill_ulsch(PHY_VARS_eNB *eNB,nfapi_ul_config_ulsch_pdu *ulsch_pdu,int frame
ulsch->harq_processes[harq_pid]->frame = frame;
ulsch->harq_processes[harq_pid]->subframe = subframe;
ulsch->harq_processes[harq_pid]->handled = 0;
ulsch->harq_processes[harq_pid]->first_rb = ulsch_pdu->ulsch_pdu_rel8.resource_block_start;
ulsch->harq_processes[harq_pid]->nb_rb = ulsch_pdu->ulsch_pdu_rel8.number_of_resource_blocks;
@@ -2457,7 +2460,8 @@ void fill_ulsch(PHY_VARS_eNB *eNB,nfapi_ul_config_ulsch_pdu *ulsch_pdu,int frame
ulsch->harq_processes[harq_pid]->O_ACK = 0;
if ((ulsch->harq_processes[harq_pid]->status == SCH_IDLE) ||
(ulsch->harq_processes[harq_pid]->ndi != ulsch_pdu->ulsch_pdu_rel8.new_data_indication)){
(ulsch->harq_processes[harq_pid]->ndi != ulsch_pdu->ulsch_pdu_rel8.new_data_indication) ||
(new_ulsch == TRUE)){
ulsch->harq_processes[harq_pid]->status = ACTIVE;
ulsch->harq_processes[harq_pid]->TBS = ulsch_pdu->ulsch_pdu_rel8.size<<3;
@@ -2475,8 +2479,8 @@ void fill_ulsch(PHY_VARS_eNB *eNB,nfapi_ul_config_ulsch_pdu *ulsch_pdu,int frame
else ulsch->harq_processes[harq_pid]->round++;
ulsch->rnti = ulsch_pdu->ulsch_pdu_rel8.rnti;
LOG_D(PHY,"Filling ULSCH %x for Frame %d, Subframe %d : harq_pid %d, first_rb %d, nb_rb %d, rvidx %d, Qm %d, TBS %d, round %d \n",
ulsch->rnti,
LOG_D(PHY,"Filling ULSCH %x (new_ulsch %d) for Frame %d, Subframe %d : harq_pid %d, first_rb %d, nb_rb %d, rvidx %d, Qm %d, TBS %d, round %d \n",
ulsch->rnti, new_ulsch,
frame,
subframe,
harq_pid,
openair1/PHY/LTE_TRANSPORT/defs.h
+2
View File
@@ -400,6 +400,8 @@ typedef struct {
uint8_t subframe;
/// Frame for reception
uint32_t frame;
/// Flag to indicate that the UL configuration has been handled. Used to remove a stale ULSCH when frame wraps around
uint8_t handled;
/// PHICH active flag
uint8_t phich_active;
/// PHICH ACK
openair1/PHY/LTE_TRANSPORT/ulsch_decoding.c
+6 -14
View File
@@ -887,17 +887,11 @@ unsigned int ulsch_decoding(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc,
x2 = ((uint32_t)ulsch->rnti<<14) + ((uint32_t)subframe<<9) + frame_parms->Nid_cell; //this is c_init in 36.211 Sec 6.3.1
ulsch_harq = ulsch->harq_processes[harq_pid];
if (harq_pid==255) {
LOG_E(PHY, "FATAL ERROR: illegal harq_pid, returning\n");
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_ENB_ULSCH_DECODING0+harq_pid,0);
return -1;
}
AssertFatal(harq_pid!=255,
"FATAL ERROR: illegal harq_pid, returning\n");
if (ulsch_harq->Nsymb_pusch == 0) {
LOG_E(PHY, "FATAL ERROR: harq_pid %d, Nsymb 0!\n",harq_pid);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_ENB_ULSCH_DECODING0+harq_pid,0);
return 1+ulsch->max_turbo_iterations;
}
AssertFatal(ulsch_harq->Nsymb_pusch != 0,
"FATAL ERROR: harq_pid %d, Nsymb 0!\n",harq_pid);
nb_rb = ulsch_harq->nb_rb;
@@ -1032,10 +1026,8 @@ unsigned int ulsch_decoding(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc,
G = G - Q_RI - Q_CQI;
ulsch_harq->G = G;
if ((int)G < 0) {
LOG_E(PHY,"FATAL: ulsch_decoding.c G < 0 (%d) : Q_RI %d, Q_CQI %d\n",G,Q_RI,Q_CQI);
return(-1);
}
AssertFatal((int)G > 0,
"FATAL: ulsch_decoding.c G < 0 (%d) : Q_RI %d, Q_CQI %d\n",G,Q_RI,Q_CQI);
H = G + Q_CQI;
Hprime = H/Q_m;
openair1/SCHED/phy_procedures_lte_eNb.c
+19 -4
View File
@@ -666,7 +666,7 @@ void prach_procedures(PHY_VARS_eNB *eNB,
{
if (max_preamble_energy[0] > 350) {
LOG_I(PHY,"[eNB %d/%d][RAPROC] Frame %d, subframe %d Initiating RA procedure with preamble %d, energy %d.%d dB, delay %d\n",
LOG_D(PHY,"[eNB %d/%d][RAPROC] Frame %d, subframe %d Initiating RA procedure with preamble %d, energy %d.%d dB, delay %d\n",
eNB->Mod_id,
eNB->CC_id,
frame,
@@ -1294,11 +1294,12 @@ void pusch_procedures(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc) {
if ((ulsch) &&
(ulsch->rnti>0) &&
(ulsch_harq->status == ACTIVE) &&
(ulsch_harq->frame == frame) &&
(ulsch_harq->subframe == subframe)) {
(ulsch_harq->frame == frame) &&
(ulsch_harq->subframe == subframe) &&
(ulsch_harq->handled == 0)) {
// UE is has ULSCH scheduling
// UE has ULSCH scheduling
for (int rb=0;
rb<=ulsch_harq->nb_rb;
@@ -1469,9 +1470,23 @@ void pusch_procedures(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc) {
eNB->UE_stats[i].ulsch_errors[harq_pid],
eNB->UE_stats[i].ulsch_decoding_attempts[harq_pid][0]);
ulsch_harq->handled = 1;
} // if ((ulsch) &&
// (ulsch->rnti>0) &&
// (ulsch_harq->status == ACTIVE))
else if ((ulsch) &&
(ulsch->rnti>0) &&
(ulsch_harq->status == ACTIVE) &&
(ulsch_harq->frame == frame) &&
(ulsch_harq->subframe == subframe) &&
(ulsch_harq->handled == 1)) {
// this harq process is stale, kill it, this 1024 frames later (10s), consider reducing that
ulsch_harq->status = SCH_IDLE;
ulsch->harq_mask = 0;
LOG_W(PHY,"Removing stale ULSCH config for UE %x\n",ulsch->rnti);
}
} // for (i=0; i<NUMBER_OF_UE_MAX; i++) {
}