maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge remote-tracking branch 'origin/develop' into oairu

Browse Source
This commit is contained in:
Raymond Knopp
2020-12-24 14:53:58 +01:00
parent 1698f9e20f d23a7e83f6
commit 9edd67b216
799 changed files with 149243 additions and 30930 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair1/SCHED/phy_procedures_lte_eNb.c
+163 -21
View File
@@ -20,12 +20,12 @@
*/
/*! \file phy_procedures_lte_eNB.c
* \brief Implementation of eNB procedures from 36.213 LTE specifications
* \author R. Knopp, F. Kaltenberger, N. Nikaein, X. Foukas
* \brief Implementation of eNB procedures from 36.213 LTE specifications / FeMBMS 36.231 LTE procedures v14.2
* \author R. Knopp, F. Kaltenberger, N. Nikaein, X. Foukas, J. Morgade
* \date 2011
* \version 0.1
* \company Eurecom
* \email: knopp@eurecom.fr,florian.kaltenberger@eurecom.fr,navid.nikaein@eurecom.fr, x.foukas@sms.ed.ac.uk
* \email: knopp@eurecom.fr,florian.kaltenberger@eurecom.fr,navid.nikaein@eurecom.fr, x.foukas@sms.ed.ac.uk, javier.morgade@ieee.org
* \note
* \warning
*/
@@ -122,12 +122,32 @@ lte_subframe_t get_subframe_direction(uint8_t Mod_id,uint8_t CC_id,uint8_t subfr
}
#ifdef MBMS_NFAPI_SCHEDULER
void pmch_procedures(PHY_VARS_eNB *eNB,L1_rxtx_proc_t *proc) {
void pmch_procedures(PHY_VARS_eNB *eNB,L1_rxtx_proc_t *proc, int fembms_flag) {
int subframe = proc->subframe_tx;
// This is DL-Cell spec pilots in Control region
generate_pilots_slot (eNB, eNB->common_vars.txdataF, AMP, subframe << 1, 1);
if(eNB->dlsch_MCH->active==1)
generate_mch (eNB, proc,NULL/*, eNB->dlsch_MCH->harq_processes[0]->pdu*/);
if(!fembms_flag){
generate_pilots_slot (eNB, eNB->common_vars.txdataF, AMP, subframe << 1, 1);
generate_mbsfn_pilot(eNB,proc,
eNB->common_vars.txdataF,
AMP);
}else
generate_mbsfn_pilot_khz_1dot25(eNB,proc,
eNB->common_vars.txdataF,
AMP);
if(eNB->dlsch_MCH->active==1){
if(!fembms_flag){
generate_mch (eNB, proc,NULL/*, eNB->dlsch_MCH->harq_processes[0]->pdu*/);
}
else{
generate_mch_khz_1dot25 (eNB, proc,NULL/*, eNB->dlsch_MCH->harq_processes[0]->pdu*/);
}
LOG_D(PHY,"[eNB%"PRIu8"] Frame %d subframe %d : Got MCH pdu for MBSFN (TBS %d) fembms %d \n",
eNB->Mod_id,proc->frame_tx,subframe,
eNB->dlsch_MCH->harq_processes[0]->TBS>>3,fembms_flag);
}
eNB->dlsch_MCH->active = 0;
}
#else
@@ -171,6 +191,87 @@ void pmch_procedures(PHY_VARS_eNB *eNB,L1_rxtx_proc_t *proc) {
}
#endif
void common_signal_procedures_fembms (PHY_VARS_eNB *eNB,int frame, int subframe) {
LTE_DL_FRAME_PARMS *fp=&eNB->frame_parms;
int **txdataF = eNB->common_vars.txdataF;
uint8_t *pbch_pdu=&eNB->pbch_pdu[0];
if((frame&3)!=0 /*&& subframe != 0*/)
return;
LOG_I(PHY,"common_signal_procedures: frame %d, subframe %d fdd:%s dir:%s index:%d\n",frame,subframe,fp->frame_type == FDD?"FDD":"TDD", subframe_select(fp,subframe) == SF_DL?"DL":"UL?",(frame&15)/4);
// generate Cell-Specific Reference Signals for both slots
//VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_ENB_RS_TX,1);
if(subframe_select(fp,subframe) == SF_S)
generate_pilots_slot(eNB,
txdataF,
AMP,
subframe<<1,1);
else
generate_pilots_slot(eNB,
txdataF,
AMP,
subframe<<1,0);
// check that 2nd slot is for DL
if (subframe_select (fp, subframe) == SF_DL)
generate_pilots_slot (eNB, txdataF, AMP, (subframe << 1) + 1, 0);
//VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME (VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_ENB_RS_TX, 0);
// First half of PSS/SSS (FDD, slot 0)
if (subframe == 0) {
//if (fp->frame_type == FDD) {
generate_pss (txdataF, AMP, fp, (fp->Ncp == NORMAL) ? 6 : 5, 0);
generate_sss (txdataF, AMP, fp, (fp->Ncp == NORMAL) ? 5 : 4, 0);
//}
/// First half of SSS (TDD, slot 1)
//if (fp->frame_type == TDD) {
generate_sss (txdataF, AMP, fp, (fp->Ncp == NORMAL) ? 6 : 5, 1);
//}
// generate PBCH (Physical Broadcast CHannel) info
/// generate PBCH
if ((frame&15)==0) {
//AssertFatal(eNB->pbch_configured==1,"PBCH was not configured by MAC\n");
if (eNB->pbch_configured!=1) return;
eNB->pbch_configured=0;
}
if (T_ACTIVE(T_ENB_PHY_MIB)) {
/* MIB is stored in reverse in pbch_pdu, reverse it for properly logging */
uint8_t mib[3];
mib[0] = pbch_pdu[2];
mib[1] = pbch_pdu[1];
mib[2] = pbch_pdu[0];
T(T_ENB_PHY_MIB, T_INT(eNB->Mod_id), T_INT(frame), T_INT(subframe),
T_BUFFER(mib, 3));
}
generate_pbch_fembms (&eNB->pbch, txdataF, AMP, fp, pbch_pdu, (frame & 15)/4);
} //else if ((subframe == 1) && (fp->frame_type == TDD)) {
//generate_pss (txdataF, AMP, fp, 2, 2);
// }
// Second half of PSS/SSS (FDD, slot 10)
else if ((subframe == 5) && (fp->frame_type == FDD) && is_fembms_nonMBSFN_subframe(frame,subframe,fp)) {
generate_pss (txdataF, AMP, &eNB->frame_parms, (fp->Ncp == NORMAL) ? 6 : 5, 10);
generate_sss (txdataF, AMP, &eNB->frame_parms, (fp->Ncp == NORMAL) ? 5 : 4, 10);
}
// Second-half of SSS (TDD, slot 11)
// else if ((subframe == 5) && (fp->frame_type == TDD)) {
// generate_sss (txdataF, AMP, fp, (fp->Ncp == NORMAL) ? 6 : 5, 11);
// }
// Second half of PSS (TDD, slot 12)
// else if ((subframe == 6) && (fp->frame_type == TDD)) {
// generate_pss (txdataF, AMP, fp, 2, 12);
// }
}
void common_signal_procedures (PHY_VARS_eNB *eNB,int frame, int subframe) {
LTE_DL_FRAME_PARMS *fp=&eNB->frame_parms;
int **txdataF = eNB->common_vars.txdataF;
@@ -219,8 +320,15 @@ void common_signal_procedures (PHY_VARS_eNB *eNB,int frame, int subframe) {
eNB->pbch_configured=0;
}
T(T_ENB_PHY_MIB, T_INT(eNB->Mod_id), T_INT(frame), T_INT(subframe),
T_BUFFER(pbch_pdu, 3));
if (T_ACTIVE(T_ENB_PHY_MIB)) {
/* MIB is stored in reverse in pbch_pdu, reverse it for properly logging */
uint8_t mib[3];
mib[0] = pbch_pdu[2];
mib[1] = pbch_pdu[1];
mib[2] = pbch_pdu[0];
T(T_ENB_PHY_MIB, T_INT(eNB->Mod_id), T_INT(frame), T_INT(subframe),
T_BUFFER(mib, 3));
}
generate_pbch (&eNB->pbch, txdataF, AMP, fp, pbch_pdu, frame & 3);
} else if ((subframe == 1) && (fp->frame_type == TDD)) {
generate_pss (txdataF, AMP, fp, 2, 2);
@@ -417,12 +525,30 @@ void phy_procedures_eNB_TX(PHY_VARS_eNB *eNB,
}
if (NFAPI_MODE==NFAPI_MONOLITHIC || NFAPI_MODE==NFAPI_MODE_PNF) {
if (is_fembms_pmch_subframe(frame,subframe,fp)) {
#ifdef MBMS_NFAPI_SCHEDULER
pmch_procedures(eNB,proc,1);
LOG_D(MAC,"frame %d, subframe %d -> PMCH\n",frame,subframe);
return;
#endif
}else if(is_fembms_cas_subframe(frame,subframe,fp) || is_fembms_nonMBSFN_subframe(frame,subframe,fp)){
LOG_D(MAC,"frame %d, subframe %d -> CAS\n",frame,subframe);
common_signal_procedures_fembms(eNB,proc->frame_tx, proc->subframe_tx);
//return;
}
if((!is_fembms_cas_subframe(frame,subframe,fp)) && (!is_fembms_nonMBSFN_subframe(frame,subframe,fp))){
if (is_pmch_subframe(frame,subframe,fp)) {
#ifdef MBMS_NFAPI_SCHEDULER
pmch_procedures(eNB,proc,0);
#else
pmch_procedures(eNB,proc);
#endif
} else {
// this is not a pmch subframe, so generate PSS/SSS/PBCH
common_signal_procedures(eNB,proc->frame_tx, proc->subframe_tx);
}
}
}
// clear existing ulsch dci allocations before applying info from MAC (this is table
@@ -508,6 +634,18 @@ void phy_procedures_eNB_TX(PHY_VARS_eNB *eNB,
if (do_meas==1) start_meas(&eNB->dlsch_ue_specific);
if (NFAPI_MODE==NFAPI_MONOLITHIC || NFAPI_MODE==NFAPI_MODE_PNF) {
if (is_fembms_pmch_subframe(frame,subframe,fp)) {
#ifdef MBMS_NFAPI_SCHEDULER
pmch_procedures(eNB,proc,1);
return;
#endif
}else if(is_fembms_cas_subframe(frame,subframe,fp)){
common_signal_procedures_fembms(eNB,proc->frame_tx, proc->subframe_tx);
}
}
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_ENB_PDCCH_TX,0);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_GENERATE_DLSCH,1);
// Now scan UE specific DLSCH
@@ -619,8 +757,8 @@ void fill_sr_indication(int UEid, PHY_VARS_eNB *eNB,uint16_t rnti,int frame,int
// pdu->rx_ue_information.handle = handle;
pdu->rx_ue_information.tl.tag = NFAPI_RX_UE_INFORMATION_TAG;
pdu->rx_ue_information.rnti = rnti;
int SNRtimes10 = dB_fixed_times10(stat) - 10 * eNB->measurements.n0_subband_power_dB[0][0];
LOG_D(PHY,"stat %d subbandpower %d, SNRtimes10 %d\n", stat, eNB->measurements.n0_subband_power_dB[0][0], SNRtimes10);
int SNRtimes10 = dB_fixed_times10(stat) - 10 * eNB->measurements.n0_subband_power_avg_dB;
LOG_D(PHY,"stat %d subband n0 %d, SNRtimes10 %d\n", stat, eNB->measurements.n0_subband_power_avg_dB, SNRtimes10);
pdu->ul_cqi_information.tl.tag = NFAPI_UL_CQI_INFORMATION_TAG;
if (SNRtimes10 < -640) pdu->ul_cqi_information.ul_cqi=0;
@@ -1211,6 +1349,8 @@ void postDecode(L1_rxtx_proc_t *proc, notifiedFIFO_elt_t *req) {
}
if (!decodeSucess) {
T(T_ENB_PHY_ULSCH_UE_NACK, T_INT(eNB->Mod_id), T_INT(rdata->frame), T_INT(rdata->subframe), T_INT(ulsch->rnti),
T_INT(rdata->harq_pid));
fill_crc_indication(eNB,i,rdata->frame,rdata->subframe,1); // indicate NAK to MAC
fill_rx_indication(eNB,i,rdata->frame,rdata->subframe); // indicate SDU to MAC
LOG_D(PHY,"[eNB %d][PUSCH %d] frame %d subframe %d UE %d Error receiving ULSCH, round %d/%d (ACK %d,%d)\n",
@@ -1239,6 +1379,8 @@ void postDecode(L1_rxtx_proc_t *proc, notifiedFIFO_elt_t *req) {
fill_rx_indication(eNB,i,rdata->frame,rdata->subframe); // indicate SDU to MAC
ulsch_harq->status = SCH_IDLE;
ulsch->harq_mask &= ~(1 << rdata->harq_pid);
T (T_ENB_PHY_ULSCH_UE_ACK, T_INT(eNB->Mod_id), T_INT(rdata->frame), T_INT(rdata->subframe), T_INT(ulsch->rnti),
T_INT(rdata->harq_pid));
} // ulsch not in error
if (ulsch_harq->O_ACK>0)
@@ -1462,8 +1604,8 @@ void fill_rx_indication(PHY_VARS_eNB *eNB,
timing_advance_update = 63;
pdu->rx_indication_rel8.timing_advance = timing_advance_update;
// estimate UL_CQI for MAC (from antenna port 0 only)
int SNRtimes10 = dB_fixed_times10(eNB->pusch_vars[UE_id]->ulsch_power[0]) - 10 * eNB->measurements.n0_subband_power_dB[0][0];
// estimate UL_CQI for MAC
int SNRtimes10 = dB_fixed_times10(eNB->pusch_vars[UE_id]->ulsch_power[0] + ((eNB->frame_parms.nb_antennas_rx>1) ?eNB->pusch_vars[UE_id]->ulsch_power[1] : 0 )) - 10 * eNB->measurements.n0_subband_power_avg_dB;
if (SNRtimes10 < -640)
pdu->rx_indication_rel8.ul_cqi = 0;
@@ -1472,8 +1614,8 @@ void fill_rx_indication(PHY_VARS_eNB *eNB,
else
pdu->rx_indication_rel8.ul_cqi = (640 + SNRtimes10) / 5;
LOG_D(PHY,"[PUSCH %d] Frame %d Subframe %d Filling RX_indication with SNR %d (%d), timing_advance %d (update %d)\n",
harq_pid,frame,subframe,SNRtimes10,pdu->rx_indication_rel8.ul_cqi,pdu->rx_indication_rel8.timing_advance,
LOG_D(PHY,"[PUSCH %d] Frame %d Subframe %d Filling RX_indication with SNR %d (%d,%d), timing_advance %d (update %d)\n",
harq_pid,frame,subframe,SNRtimes10,pdu->rx_indication_rel8.ul_cqi,eNB->measurements.n0_subband_power_avg_dB,pdu->rx_indication_rel8.timing_advance,
timing_advance_update);
eNB->UL_INFO.rx_ind.rx_indication_body.number_of_pdus++;
eNB->UL_INFO.rx_ind.sfn_sf = frame<<4 | subframe;
@@ -1777,7 +1919,7 @@ void fill_uci_harq_indication (int UEid, PHY_VARS_eNB *eNB, LTE_eNB_UCI *uci, in
pdu->rx_ue_information.rnti = uci->rnti;
// estimate UL_CQI for MAC (from antenna port 0 only)
pdu->ul_cqi_information.tl.tag = NFAPI_UL_CQI_INFORMATION_TAG;
int SNRtimes10 = dB_fixed_times10(uci->stat) - 10 * eNB->measurements.n0_subband_power_dB[0][0];
int SNRtimes10 = dB_fixed_times10(uci->stat) - 10 * eNB->measurements.n0_subband_power_avg_dB;
if (SNRtimes10 < -100)
LOG_I (PHY, "uci->stat %d \n", uci->stat);
@@ -1990,17 +2132,17 @@ void phy_procedures_eNB_uespec_RX(PHY_VARS_eNB *eNB,L1_rxtx_proc_t *proc) {
lte_eNB_I0_measurements (eNB, subframe, 0, eNB->first_run_I0_measurements);
int min_I0=1000,max_I0=0;
if ((frame==0) && (subframe==4)) {
int amin=0,amax=0;
if ((frame==0) && (subframe==3)) {
for (int i=0; i<eNB->frame_parms.N_RB_UL; i++) {
if (i==(eNB->frame_parms.N_RB_UL>>1) - 1) i+=2;
if (eNB->measurements.n0_subband_power_tot_dB[i]<min_I0) min_I0 = eNB->measurements.n0_subband_power_tot_dB[i];
if (eNB->measurements.n0_subband_power_tot_dB[i]<min_I0) {min_I0 = eNB->measurements.n0_subband_power_tot_dB[i]; amin=i;}
if (eNB->measurements.n0_subband_power_tot_dB[i]>max_I0) max_I0 = eNB->measurements.n0_subband_power_tot_dB[i];
if (eNB->measurements.n0_subband_power_tot_dB[i]>max_I0) {max_I0 = eNB->measurements.n0_subband_power_tot_dB[i]; amax=i;}
}
LOG_I (PHY, "max_I0 %d, min_I0 %d\n", max_I0, min_I0);
LOG_I (PHY, "max_I0 %d (rb %d), min_I0 %d (rb %d), avg I0 %d\n", max_I0, amax, min_I0, amin, eNB->measurements.n0_subband_power_avg_dB);
}
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_ENB_RX_UESPEC, 0 );
openair1/SCHED/prach_procedures.c
+1 -1
View File
@@ -78,7 +78,7 @@ void prach_procedures(PHY_VARS_eNB *eNB,
ru=eNB->RU_list[i];
for (ru_aa=0,aa=0; ru_aa<ru->nb_rx; ru_aa++,aa++) {
eNB->prach_vars.rxsigF[0][aa] = eNB->RU_list[i]->prach_rxsigF[ru_aa];
eNB->prach_vars.rxsigF[0][aa] = eNB->RU_list[i]->prach_rxsigF[0][ru_aa];
int ce_level;
if (br_flag==1)
openair1/SCHED/ru_procedures.c
+23 -2
View File
@@ -41,6 +41,17 @@
* \warning
*/
/*! \function feptx0
* \brief Implementation of ofdm encoding for FeMBMS profile in one eNB
* \author J. Morgade
* \date 2020
* \version 0.1
* \email: javier.morgade@ieee.org
* \note
* \warning
*/
#include "PHY/defs_eNB.h"
#include "SCHED/sched_eNB.h"
@@ -75,7 +86,7 @@ void feptx0(RU_t *ru,
int slot_sizeF = (fp->ofdm_symbol_size) * ((fp->Ncp==1) ? 6 : 7);
int subframe = ru->proc.tti_tx;
//VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_RU_FEPTX_OFDM+slot , 1 );
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_RU_FEPTX_OFDM+(slot&1) , 1 );
slot_offset = slot*(fp->samples_per_tti>>1); //slot_offset = subframe*fp->samples_per_tti + (slot*(fp->samples_per_tti>>1));
@@ -90,7 +101,17 @@ void feptx0(RU_t *ru,
fp->nb_prefix_samples,
CYCLIC_PREFIX);
} else {
if(is_pmch_subframe(ru->proc.frame_tx,subframe,fp)){
if(is_fembms_pmch_subframe(ru->proc.frame_tx,subframe,fp)){
if((slot&1)==0){//just use one slot chance
PHY_ofdm_mod(&ru->common.txdataF_BF[aa][(slot&1)*slot_sizeF],
(int*)&ru->common.txdata[aa][slot_offset],
fp->ofdm_symbol_size_khz_1dot25,
1,
fp->ofdm_symbol_size_khz_1dot25>>2,
CYCLIC_PREFIX);
LOG_D(HW,"Generating PMCH FeMBMS TX subframe %d %d\n",subframe,fp->ofdm_symbol_size_khz_1dot25);
}
} else if(is_pmch_subframe(ru->proc.frame_tx,subframe,fp)){
if ((slot&1) == 0) {//just use one slot chance
normal_prefix_mod(&ru->common.txdataF_BF[aa][(slot&1)*slot_sizeF],
(int*)&ru->common.txdata[aa][slot_offset],