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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/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