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Implemented eMBMS FFT procedures (scheduling)

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ACKNOWLEDGEMENT:
 	1. This commit was developed at Vicomtech (https://www.vicomtech.org) under UE project CDN-X-ALL: "CDN edge-cloud computing for efficient cache and reliable streaming aCROSS Aggregated unicast-multicast LinkS"
 	2. Project funded by Fed4FIRE+ OC5 (https://www.fed4fire.eu)

	Signed-off-by: javier.morgade@ieee.org <javier.morgade@ieee.org>
This commit is contained in:
javier.morgade@ieee.org
2019-09-14 13:02:56 +02:00
parent 1f50bea34a
commit 65133d4e18
3 changed files with 60 additions and 31 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair1/SCHED/phy_procedures_lte_eNb.c
+3 -1
View File
@@ -123,7 +123,7 @@ void pmch_procedures(PHY_VARS_eNB *eNB,L1_rxtx_proc_t *proc) {
// uint8_t sync_area=255;
#endif
int subframe = proc->subframe_tx;
AssertFatal (1 == 0, "pmch not tested for the moment, exiting\n");
AssertFatal (1 == 1, "pmch not tested for the moment, exiting\n");
// This is DL-Cell spec pilots in Control region
generate_pilots_slot (eNB, eNB->common_vars.txdataF, AMP, subframe << 1, 1);
#if (LTE_RRC_VERSION >= MAKE_VERSION(10, 0, 0))
@@ -136,6 +136,7 @@ void pmch_procedures(PHY_VARS_eNB *eNB,L1_rxtx_proc_t *proc) {
proc->frame_tx,
subframe);
*/
mch_pduP= &RC.mac[eNB->Mod_id]->common_channels[eNB->CC_id].MCH_pdu;
if ((mch_pduP->Pdu_size > 0) && (mch_pduP->sync_area == 0)) // TEST: only transmit mcch for sync area 0
LOG_D(PHY,"[eNB%"PRIu8"] Frame %d subframe %d : Got MCH pdu for MBSFN (MCS %"PRIu8", TBS %d) \n",
eNB->Mod_id,proc->frame_tx,subframe,mch_pduP->mcs,
@@ -149,6 +150,7 @@ void pmch_procedures(PHY_VARS_eNB *eNB,L1_rxtx_proc_t *proc) {
if (mch_pduP) {
fill_eNB_dlsch_MCH (eNB, mch_pduP->mcs, 1, 0);
eNB->dlsch_MCH->harq_ids[proc->frame_tx%2][subframe] = 0;
// Generate PMCH
generate_mch (eNB, proc, (uint8_t *) mch_pduP->payload);
} else {
openair1/SCHED/ru_procedures.c
+55 -28
View File
@@ -94,35 +94,49 @@ void feptx0(RU_t *ru,int slot) {
fp->nb_prefix_samples,
CYCLIC_PREFIX);
else {
/* AssertFatal(ru->generate_dmrs_sync==1 && (fp->frame_type != TDD || ru->is_slave == 1),
"ru->generate_dmrs_sync should not be set, frame_type %d, is_slave %d\n",
fp->frame_type,ru->is_slave);
*/
int num_symb = 7;
if(is_pmch_subframe(ru->proc.frame_tx,subframe,fp)){
if(slot==0){//just use one slot chance
normal_prefix_mod(&ru->common.txdataF_BF[aa][slot*slot_sizeF],
(int*)&ru->common.txdata[aa][slot_offset],
2,
fp);
PHY_ofdm_mod(&ru->common.txdataF_BF[aa][slot*slot_sizeF+fp->ofdm_symbol_size*2],
(int*)&ru->common.txdata[aa][slot_offset+((fp->ofdm_symbol_size>>2)*2+fp->ofdm_symbol_size*2)],
fp->ofdm_symbol_size,
10,
fp->ofdm_symbol_size>>2,
CYCLIC_PREFIX);
LOG_D(PHY,"SFN/SF:RU:TX:%d/%d Generating slot %d F(%d) t(%d) IS PMCH(%d)\n",ru->proc.frame_tx, ru->proc.subframe_tx,slot,slot*slot_sizeF+fp->ofdm_symbol_size*2,slot_offset+((fp->ofdm_symbol_size>>2)*2+fp->ofdm_symbol_size*2),is_pmch_subframe(ru->proc.frame_tx,subframe,fp));
}
}else{
/* AssertFatal(ru->generate_dmrs_sync==1 && (fp->frame_type != TDD || ru->is_slave == 1),
"ru->generate_dmrs_sync should not be set, frame_type %d, is_slave %d\n",
fp->frame_type,ru->is_slave);
*/
int num_symb = 7;
if (subframe_select(fp,subframe) == SF_S) num_symb=fp->dl_symbols_in_S_subframe+1;
if (ru->generate_dmrs_sync == 1 && slot == 0 && subframe == 1 && aa==0) {
//int32_t dmrs[ru->frame_parms.ofdm_symbol_size*14] __attribute__((aligned(32)));
//int32_t *dmrsp[2] ={dmrs,NULL}; //{&dmrs[(3-ru->frame_parms.Ncp)*ru->frame_parms.ofdm_symbol_size],NULL};
generate_drs_pusch((PHY_VARS_UE *)NULL,
(UE_rxtx_proc_t*)NULL,
fp,
ru->common.txdataF_BF,
0,
AMP,
0,
0,
fp->N_RB_DL,
aa);
}
normal_prefix_mod(&ru->common.txdataF_BF[aa][slot*slot_sizeF],
(int*)&ru->common.txdata[aa][slot_offset],
num_symb,
fp);
if (subframe_select(fp,subframe) == SF_S) num_symb=fp->dl_symbols_in_S_subframe+1;
if (ru->generate_dmrs_sync == 1 && slot == 0 && subframe == 1 && aa==0) {
//int32_t dmrs[ru->frame_parms.ofdm_symbol_size*14] __attribute__((aligned(32)));
//int32_t *dmrsp[2] ={dmrs,NULL}; //{&dmrs[(3-ru->frame_parms.Ncp)*ru->frame_parms.ofdm_symbol_size],NULL};
generate_drs_pusch((PHY_VARS_UE *)NULL,
(UE_rxtx_proc_t*)NULL,
fp,
ru->common.txdataF_BF,
0,
AMP,
0,
0,
fp->N_RB_DL,
aa);
}
normal_prefix_mod(&ru->common.txdataF_BF[aa][slot*slot_sizeF],
(int*)&ru->common.txdata[aa][slot_offset],
num_symb,
fp);
}
}
/*
len = fp->samples_per_tti>>1;
@@ -311,6 +325,18 @@ void feptx_ofdm(RU_t *ru) {
fp->nb_prefix_samples,
CYCLIC_PREFIX);
} else {
if(is_pmch_subframe(ru->proc.frame_tx,subframe,fp)/*subframe==1*/){
normal_prefix_mod(&ru->common.txdataF_BF[aa][0],
dummy_tx_b,
2,
fp);
PHY_ofdm_mod(&ru->common.txdataF_BF[aa][fp->ofdm_symbol_size*2],
dummy_tx_b+((fp->ofdm_symbol_size>>2)*2+fp->ofdm_symbol_size*2),
fp->ofdm_symbol_size,
10,
fp->ofdm_symbol_size>>2,
CYCLIC_PREFIX);
}else{
normal_prefix_mod(&ru->common.txdataF_BF[aa][slot_offset_F],
dummy_tx_b,
7,
@@ -321,6 +347,7 @@ void feptx_ofdm(RU_t *ru) {
dummy_tx_b+(fp->samples_per_tti>>1),
7,
fp);
}
}
// if S-subframe generate first slot only
openair1/SCHED_UE/phy_procedures_lte_ue.c
+2 -2
View File
@@ -2896,7 +2896,7 @@ VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_DLSCH_PMCH_D
dlsch_unscrambling(&ue->frame_parms,1,ue->dlsch_MCH[0],
ue->dlsch_MCH[0]->harq_processes[0]->G,
ue->pdsch_vars_MCH[0]->llr[0],0,subframe_rx<<1);
ue->pdsch_vars_MCH[ue->current_thread_id[subframe_rx]][0]->llr[0],0,subframe_rx<<1);
LOG_D(PHY,"start turbo decode for MCH %d.%d --> nb_rb %d \n", frame_rx, subframe_rx, ue->dlsch_MCH[0]->harq_processes[0]->nb_rb);
LOG_D(PHY,"start turbo decode for MCH %d.%d --> rb_alloc_even %x \n", frame_rx, subframe_rx, (unsigned int)((intptr_t)ue->dlsch_MCH[0]->harq_processes[0]->rb_alloc_even));
LOG_D(PHY,"start turbo decode for MCH %d.%d --> Qm %d \n", frame_rx, subframe_rx, ue->dlsch_MCH[0]->harq_processes[0]->Qm);
@@ -2904,7 +2904,7 @@ VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_DLSCH_PMCH_D
LOG_D(PHY,"start turbo decode for MCH %d.%d --> G %d \n", frame_rx, subframe_rx, ue->dlsch_MCH[0]->harq_processes[0]->G);
LOG_D(PHY,"start turbo decode for MCH %d.%d --> Kmimo %d \n", frame_rx, subframe_rx, ue->dlsch_MCH[0]->Kmimo);
ret = dlsch_decoding(ue,
ue->pdsch_vars_MCH[0]->llr[0],
ue->pdsch_vars_MCH[ue->current_thread_id[subframe_rx]][0]->llr[0],
&ue->frame_parms,
ue->dlsch_MCH[0],
ue->dlsch_MCH[0]->harq_processes[0],