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first half of RA procedure. PRACH reception functional for CElevel0. Up to RAR generation.

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This commit is contained in:
Raymond Knopp
2017-08-17 16:22:04 +02:00
parent fde6645f5f
commit 8f0ba722f6
8 changed files with 181 additions and 104 deletions
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openair1/PHY/LTE_TRANSPORT/prach.c
+56 -47
View File
@@ -1153,10 +1153,10 @@ void rx_prach0(PHY_VARS_eNB *eNB,
#ifdef Rel14
int prach_ifft_cnt=0;
#endif
//#ifdef PRACH_DEBUG
int en,en0=0;
//#endif
#ifdef PRACH_DEBUG
int en0=0;
#endif
int en;
if (ru) {
fp = &ru->frame_parms;
nb_rx = ru->nb_rx;
@@ -1209,12 +1209,14 @@ void rx_prach0(PHY_VARS_eNB *eNB,
subframe = eNB->proc.subframe_prach_br;
prachF = eNB->prach_vars_br.prachF;
rxsigF = eNB->prach_vars_br.rxsigF;
#ifdef PRACH_DEBUG
if ((frame&1023) < 20) LOG_I(PHY,"PRACH (eNB) : running rx_prach (br_flag %d, ce_level %d) for frame %d subframe %d, prach_FreqOffset %d, prach_ConfigIndex %d, rootSequenceIndex %d, repetition number %d,numRepetitionsPrePreambleAttempt %d\n",
br_flag,ce_level,frame,subframe,
fp->prach_emtc_config_common.prach_ConfigInfo.prach_FreqOffset[ce_level],
prach_ConfigIndex,rootSequenceIndex,
eNB->prach_vars_br.repetition_number[ce_level],
fp->prach_emtc_config_common.prach_ConfigInfo.prach_numRepetitionPerPreambleAttempt[ce_level]);
#endif
}
else
#endif
@@ -1224,8 +1226,10 @@ void rx_prach0(PHY_VARS_eNB *eNB,
subframe = eNB->proc.subframe_prach;
prachF = eNB->prach_vars.prachF;
rxsigF = eNB->prach_vars.rxsigF;
#ifdef PRACH_DEBUG
if ((frame&1023) < 20) LOG_I(PHY,"PRACH (eNB) : running rx_prach for subframe %d, prach_FreqOffset %d, prach_ConfigIndex %d , rootSequenceIndex %d\n",
subframe,fp->prach_config_common.prach_ConfigInfo.prach_FreqOffset,prach_ConfigIndex,rootSequenceIndex);
#endif
}
}
else {
@@ -1233,17 +1237,20 @@ void rx_prach0(PHY_VARS_eNB *eNB,
if (br_flag == 1) {
subframe = ru->proc.subframe_prach_br;
rxsigF = ru->prach_rxsigF_br[ce_level];
#ifdef PRACH_DEBUG
if ((frame&1023) < 20) LOG_I(PHY,"PRACH (RU) : running rx_prach (br_flag %d, ce_level %d) for frame %d subframe %d, prach_FreqOffset %d, prach_ConfigIndex %d\n",
br_flag,ce_level,frame,subframe,fp->prach_emtc_config_common.prach_ConfigInfo.prach_FreqOffset[ce_level],prach_ConfigIndex);
#endif
}
else
#endif
{
subframe = ru->proc.subframe_prach;
rxsigF = ru->prach_rxsigF;
#ifdef PRACH_DEBUG
if ((frame&1023) < 20) LOG_I(PHY,"PRACH (RU) : running rx_prach for subframe %d, prach_FreqOffset %d, prach_ConfigIndex %d\n",
subframe,fp->prach_config_common.prach_ConfigInfo.prach_FreqOffset,prach_ConfigIndex);
#endif
}
}
@@ -1253,9 +1260,9 @@ void rx_prach0(PHY_VARS_eNB *eNB,
for (aa=0; aa<nb_rx; aa++) {
if (ru->if_south == LOCAL_RF) { // set the time-domain signal if we have to use it in this node
prach[aa] = (int16_t*)&ru->common.rxdata[aa][(subframe*fp->samples_per_tti)-ru->N_TA_offset];
//#ifdef PRACH_DEBUG
#ifdef PRACH_DEBUG
if ((frame&1023) < 20) LOG_I(PHY,"RU %d, br_flag %d ce_level %d frame %d subframe %d, : prach %p (energy %d)\n",ru->idx,br_flag,ce_level,frame,subframe,prach[aa],dB_fixed(en0=signal_energy(prach[aa],fp->samples_per_tti)));
//#endif
#endif
}
}
@@ -1465,25 +1472,13 @@ void rx_prach0(PHY_VARS_eNB *eNB,
#endif
send_IF4p5(ru, ru->proc.frame_prach, ru->proc.subframe_prach, IF4p5_PRACH);
#if 0
if (dB_fixed(en0)>30) {
en = dB_fixed(signal_energy(&rxsigF[0][k],840));
// if (en>60)
printf("PRACH (if4p5), k %d, n_ra_prb %d: Frame %d, Subframe %d => %d dB\n",k,n_ra_prb,ru->proc.frame_rx,ru->proc.subframe_rx,en);
write_output("rxsigF.m","prach_rxF",rxsigF[0],12288,1,1);
exit(-1);
}
#endif
return;
} else if (eNB!=NULL) {
//#if 0
en = dB_fixed(signal_energy(&rxsigF[0][0],840));
/*if (en>60)*/
if ((frame&1023) < 20) LOG_I(PHY,"PRACH (br_flag %d,ce_level %d): Frame %d, Subframe %d => %d dB\n",br_flag,ce_level,eNB->proc.frame_rx,eNB->proc.subframe_rx,en);
//#endif
#ifdef PRACH_DEBUG
if ((en > 60)&&(br_flag==1)) LOG_I(PHY,"PRACH (br_flag %d,ce_level %d, n_ra_prb %d, k %d): Frame %d, Subframe %d => %d dB\n",br_flag,ce_level,n_ra_prb,k,eNB->proc.frame_rx,eNB->proc.subframe_rx,en);
#endif
}
@@ -1519,8 +1514,9 @@ void rx_prach0(PHY_VARS_eNB *eNB,
*max_preamble_energy=0;
for (preamble_index=0 ; preamble_index<64 ; preamble_index++) {
#ifdef PRACH_DEBUG
if (en>60) LOG_I(PHY,"frame %d, subframe %d : Trying preamble %d (br_flag %d)\n",frame,subframe,preamble_index,br_flag);
#endif
if (restricted_set == 0) {
// This is the relative offset in the root sequence table (5.7.2-4 from 36.211) for the given preamble index
preamble_offset = ((NCS==0)? preamble_index : (preamble_index/(N_ZC/NCS)));
@@ -1603,10 +1599,10 @@ void rx_prach0(PHY_VARS_eNB *eNB,
}
// Compute DFT of RX signal (conjugate input, results in conjugate output) for each new rootSequenceIndex
//#ifdef PRACH_DEBUG
#ifdef PRACH_DEBUG
if (en>60) LOG_I(PHY,"frame %d, subframe %d : preamble index %d: offset %d, preamble shift %d (br_flag %d, en %d)\n",
frame,subframe,preamble_index,preamble_offset,preamble_shift,br_flag,en);
//#endif
#endif
log2_ifft_size = 10;
fft_size = 6144;
@@ -1667,25 +1663,6 @@ void rx_prach0(PHY_VARS_eNB *eNB,
#endif
// if (aa=1) write_output("prach_rxF_comp1.m","prach_rxF_comp1",prachF,1024,1,1);
}// antennas_rx
#ifdef PRACH_DEBUG
if (en>40) {
k = (12*n_ra_prb) - 6*fp->N_RB_UL;
if (k<0) k+=fp->ofdm_symbol_size;
k*=12;
k+=13;
k*=2;
printf("Dumping prach, k = %d (n_ra_prb %d)\n",k,n_ra_prb);
write_output("rxsigF.m","prach_rxF",&rxsigF[0][0],12288,1,1);
write_output("prach_rxF_comp0.m","prach_rxF_comp0",prachF,1024,1,1);
write_output("Xu.m","xu",Xu,N_ZC,1,1);
write_output("prach_ifft0.m","prach_t0",prach_ifft[0][0],1024,1,1);
exit(-1);
}
#endif
} // new dft
// check energy in nth time shift, for
@@ -1695,26 +1672,58 @@ void rx_prach0(PHY_VARS_eNB *eNB,
eNB->frame_parms.prach_emtc_config_common.prach_ConfigInfo.prach_numRepetitionPerPreambleAttempt[ce_level]))
#endif
{
#ifdef PRACH_DEBUG
if (en>60) LOG_I(PHY,"frame %d, subframe %d: Checking for peak in time-domain (br_flag %d, en %d)\n",frame,subframe,br_flag,en);
#endif
preamble_shift2 = ((preamble_shift==0) ? 0 : ((preamble_shift<<log2_ifft_size)/N_ZC));
for (i=0; i<NCS2; i++) {
lev = (int32_t)prach_ifft[(preamble_shift2+i)<<1];
lev = (int32_t)prach_ifft[(preamble_shift2+i)];
levdB = dB_fixed_times10(lev);
if (levdB>*max_preamble_energy) {
*max_preamble_energy = levdB;
*max_preamble_delay = ((i*fft_size)>>log2_ifft_size)*update_TA/update_TA2;
*max_preamble = preamble_index;
if (en>60) LOG_I(PHY,"frame %d, subframe %d : max_preamble_energy %d, max_preamble_delay %d, max_preamble %d (br_flag %d, en %d)\n",frame,subframe,*max_preamble_energy,*max_preamble_delay,*max_preamble,br_flag,en);
//#ifdef PRACH_DEBUG
if ((en>60) && (br_flag==1)) LOG_I(PHY,"frame %d, subframe %d : max_preamble_energy %d, max_preamble_delay %d, max_preamble %d (br_flag %d,ce_level %d, levdB %d, lev %d)\n",frame,subframe,*max_preamble_energy,*max_preamble_delay,*max_preamble,br_flag,ce_level,levdB,lev);
//#endif
}
}
}
}// preamble_index
#ifdef PRACH_DEBUG
if (en>60) {
k = (12*n_ra_prb) - 6*fp->N_RB_UL;
if (k<0) k+=fp->ofdm_symbol_size;
k*=12;
k+=13;
k*=2;
if (br_flag == 0) {
/*
write_output("rxsigF.m","prach_rxF",&rxsigF[0][0],12288,1,1);
write_output("prach_rxF_comp0.m","prach_rxF_comp0",prachF,1024,1,1);
write_output("Xu.m","xu",Xu,N_ZC,1,1);
write_output("prach_ifft0.m","prach_t0",prach_ifft,1024,1,1);*/
}
else {
printf("Dumping prach (br_flag %d), k = %d (n_ra_prb %d)\n",br_flag,k,n_ra_prb);
write_output("rxsigF_br.m","prach_rxF_br",&rxsigF[0][0],12288,1,1);
write_output("prach_rxF_comp0_br.m","prach_rxF_comp0_br",prachF,1024,1,1);
write_output("Xu_br.m","xu_br",Xu,N_ZC,1,1);
write_output("prach_ifft0_br.m","prach_t0_br",prach_ifft,1024,1,1);
exit(-1);
}
}
#endif
if (eNB) stop_meas(&eNB->rx_prach);
}
openair1/SCHED/phy_procedures_lte_eNb.c
+49 -23
View File
@@ -1889,10 +1889,16 @@ void prach_procedures(PHY_VARS_eNB *eNB,
if (br_flag==1) {
subframe = eNB->proc.subframe_prach_br;
frame = eNB->proc.frame_prach_br;
pthread_mutex_lock(&eNB->UL_INFO_mutex);
eNB->UL_INFO.rach_ind_br.number_of_preambles=0;
pthread_mutex_unlock(&eNB->UL_INFO_mutex);
}
else
#endif
{
pthread_mutex_lock(&eNB->UL_INFO_mutex);
eNB->UL_INFO.rach_ind.number_of_preambles=0;
pthread_mutex_unlock(&eNB->UL_INFO_mutex);
subframe = eNB->proc.subframe_prach;
frame = eNB->proc.frame_prach;
}
@@ -1905,6 +1911,8 @@ void prach_procedures(PHY_VARS_eNB *eNB,
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_ENB_PRACH_RX,1);
for (i=0;i<eNB->num_RU;i++) {
ru=eNB->RU_list[i];
for (ru_aa=0,aa=0;ru_aa<ru->nb_rx;ru_aa++,aa++) {
@@ -1918,8 +1926,6 @@ void prach_procedures(PHY_VARS_eNB *eNB,
}
}
if ((frame&1023) < 20) LOG_I(PHY,"Frame %d, subframe %d: Running rx_prach (br_flag %d)\n",
frame,subframe,br_flag);
rx_prach(eNB,
eNB->RU_list[0],
&max_preamble[0],
@@ -1932,13 +1938,13 @@ void prach_procedures(PHY_VARS_eNB *eNB,
#endif
);
//#ifdef DEBUG_PHY_PROC
LOG_D(PHY,"[RAPROC] Frame %d, subframe %d : Most likely preamble %d, energy %d dB delay %d\n",
#ifdef DEBUG_PHY_PROC
LOG_I(PHY,"[RAPROC] Frame %d, subframe %d : Most likely preamble %d, energy %d dB delay %d\n",
frame,subframe,
max_preamble[0],
max_preamble_energy[0],
max_preamble_energy[0]/10,
max_preamble_delay[0]);
//#endif
#endif
#ifdef Rel14
if (br_flag==1) {
@@ -1949,30 +1955,46 @@ void prach_procedures(PHY_VARS_eNB *eNB,
prach_mask = is_prach_subframe(&eNB->frame_parms,eNB->proc.frame_prach_br,eNB->proc.subframe_prach_br);
eNB->UL_INFO.rach_ind_br.preamble_list = eNB->preamble_list_br;
int ind=0;
int ce_level=0;
/* Save for later, it doesn't work
for (int ind=0,ce_level=0;ce_level<4;ce_level++) {
if ((prach_mask&(1<<(1+ce_level)) > 0) && // prach is active and CE level has finished its repetitions
if ((eNB->frame_parms.prach_emtc_config_common.prach_ConfigInfo.prach_CElevel_enable[ce_level]==1)&&
(prach_mask&(1<<(1+ce_level)) > 0) && // prach is active and CE level has finished its repetitions
(eNB->prach_vars_br.repetition_number[ce_level]==
eNB->frame_parms.prach_emtc_config_common.prach_ConfigInfo.prach_numRepetitionPerPreambleAttempt[ce_level])) {
if (max_preamble_energy[ind] > 580) {
eNB->UL_INFO.rach_ind_br.number_of_preambles++;
eNB->preamble_list_br[ind].preamble_rel8.timing_advance = max_preamble_delay[ind];//
eNB->preamble_list_br[ind].preamble_rel8.preamble = max_preamble[ind];
// note: fid is implicitly 0 here, this is the rule for eMTC RA-RNTI from 36.321, Section 5.1.4
eNB->preamble_list_br[ind].preamble_rel8.rnti = 1+subframe+(eNB->prach_vars_br.first_frame[ce_level]%40);
eNB->preamble_list_br[ind].instance_length = 0; //don't know exactly what this is
eNB->preamble_list_br[ind].preamble_rel13.rach_resource_type = 1+ce_level; // CE Level
}
*/
if (eNB->frame_parms.prach_emtc_config_common.prach_ConfigInfo.prach_CElevel_enable[0]==1){
if (max_preamble_energy[0] > 350) {
eNB->UL_INFO.rach_ind_br.number_of_preambles++;
eNB->preamble_list_br[ind].preamble_rel8.timing_advance = max_preamble_delay[ind];//
eNB->preamble_list_br[ind].preamble_rel8.preamble = max_preamble[ind];
// note: fid is implicitly 0 here, this is the rule for eMTC RA-RNTI from 36.321, Section 5.1.4
eNB->preamble_list_br[ind].preamble_rel8.rnti = 1+subframe+(eNB->prach_vars_br.first_frame[ce_level]%40);
eNB->preamble_list_br[ind].instance_length = 0; //don't know exactly what this is
eNB->preamble_list_br[ind].preamble_rel13.rach_resource_type = 1+ce_level; // CE Level
LOG_I(PHY,"Filling NFAPI indication for RACH %d CELevel %d (mask %x) : TA %d, Preamble %d, rnti %x, rach_resource_type %d\n",
ind,
ce_level,
prach_mask,
eNB->preamble_list_br[ind].preamble_rel8.timing_advance,
eNB->preamble_list_br[ind].preamble_rel8.preamble,
eNB->preamble_list_br[ind].preamble_rel8.rnti,
eNB->preamble_list_br[ind].preamble_rel13.rach_resource_type);
}
/*
ind++;
}
} // ce_level
} */// ce_level
}
}
else
#endif
{
if (max_preamble_energy[0] > 580) {
if (max_preamble_energy[0] > 10000) {
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,
@@ -2002,10 +2024,15 @@ void prach_procedures(PHY_VARS_eNB *eNB,
eNB->preamble_list[0].preamble_rel8.rnti = 1+subframe; // note: fid is implicitly 0 here
eNB->preamble_list[0].preamble_rel13.rach_resource_type = 0;
eNB->preamble_list[0].instance_length = 0; //don't know exactly what this is
LOG_I(PHY,"Filling NFAPI indication for RACH : TA %d, Preamble %d, rnti %x, rach_resource_type %d\n",
eNB->preamble_list[0].preamble_rel8.timing_advance,
eNB->preamble_list[0].preamble_rel8.preamble,
eNB->preamble_list[0].preamble_rel8.rnti,
eNB->preamble_list[0].preamble_rel13.rach_resource_type);
pthread_mutex_unlock(&eNB->UL_INFO_mutex);
}
} // max_preamble_energy > 580
} // max_preamble_energy > 350
} // else br_flag
/*
mac_xface->initiate_ra_proc(eNB->Mod_id,
@@ -2494,7 +2521,6 @@ void phy_procedures_eNB_uespec_RX(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc,const
LOG_D(PHY,"[eNB %d] Frame %d: Doing phy_procedures_eNB_uespec_RX(%d)\n",eNB->Mod_id,frame, subframe);
#endif
eNB->rb_mask_ul[0]=0;
eNB->rb_mask_ul[1]=0;
eNB->rb_mask_ul[2]=0;
openair2/LAYER2/MAC/config.c
+1
View File
@@ -556,6 +556,7 @@ int rrc_mac_config_req_eNB(module_id_t Mod_idP,
(int)radioResourceConfigCommon->rach_ConfigCommon.maxHARQ_Msg3Tx);
RC.mac[Mod_idP]->common_channels[CC_idP].radioResourceConfigCommon = radioResourceConfigCommon;
RC.mac[Mod_idP]->common_channels[CC_idP].radioResourceConfigCommon_BR = radioResourceConfigCommon_BR;
if (ul_CarrierFreq>0) RC.mac[Mod_idP]->common_channels[CC_idP].ul_CarrierFreq = ul_CarrierFreq;
if (ul_Bandwidth) RC.mac[Mod_idP]->common_channels[CC_idP].ul_Bandwidth = *ul_Bandwidth;
else RC.mac[Mod_idP]->common_channels[CC_idP].ul_Bandwidth = RC.mac[Mod_idP]->common_channels[CC_idP].mib->message.dl_Bandwidth;
openair2/LAYER2/MAC/eNB_scheduler.c
+1 -1
View File
@@ -180,7 +180,7 @@ void eNB_dlsch_ulsch_scheduler(module_id_t module_idP, frame_t frameP, sub_frame
#endif
// LOG_I(MAC,"[eNB %d] Frame %d, Subframe %d, entering MAC scheduler (UE_list->head %d)\n",module_idP, frameP, subframeP,UE_list->head);
LOG_D(MAC,"[eNB %d] Frame %d, Subframe %d, entering MAC scheduler (UE_list->head %d)\n",module_idP, frameP, subframeP,UE_list->head);
start_meas(&RC.mac[module_idP]->eNB_scheduler);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_ENB_DLSCH_ULSCH_SCHEDULER,VCD_FUNCTION_IN);
openair2/LAYER2/MAC/eNB_scheduler_RA.c
+57 -21
View File
@@ -90,7 +90,7 @@ void check_and_add_msg3(module_id_t module_idP,frame_t frameP, sub_frame_t subfr
if (RA_template->Msg3_subframe<4) msg3_prog_frame=(RA_template->Msg3_frame+1023)&1023;
else msg3_prog_frame=RA_template->Msg3_frame;
LOG_I(MAC,"[eNB %d][RAPROC] Frame %d, Subframe %d CC_id %d RA %d is active, Msg3 in (%d,%d), programmed in (%d,%d)\n",
LOG_I(MAC,"[eNB %d][RAPROC] Frame %d, Subframe %d : CC_id %d RA %d is active, Msg3 in (%d,%d), programmed in (%d,%d)\n",
module_idP,frameP,subframeP,CC_id,i,RA_template->Msg3_frame,RA_template->Msg3_subframe,
msg3_prog_frame,msg3_prog_subframe);
@@ -171,6 +171,11 @@ void generate_Msg2(module_id_t module_idP,int CC_idP,frame_t frameP,sub_frame_t
PRACH_ParametersListCE_r13_t *prach_ParametersListCE_r13;
PRACH_ParametersCE_r13_t *p[4]={NULL,NULL,NULL,NULL};
uint16_t absSF = (10*frameP)+subframeP;
uint16_t absSF_Msg2 = (10*RA_template->Msg2_frame)+RA_template->Msg2_subframe;
if (absSF>absSF_Msg2) return; // we're not ready yet, need to be to start ==
if (cc[CC_idP].radioResourceConfigCommon_BR) {
ext4_prach = cc[CC_idP].radioResourceConfigCommon_BR->ext4->prach_ConfigCommon_v1310;
@@ -185,8 +190,10 @@ void generate_Msg2(module_id_t module_idP,int CC_idP,frame_t frameP,sub_frame_t
p[1]=prach_ParametersListCE_r13->list.array[1];
case 1:
p[0]=prach_ParametersListCE_r13->list.array[0];
break;
default:
AssertFatal(1==0,"Illegal count for prach_ParametersListCE_r13 %d\n",prach_ParametersListCE_r13->list.count);
AssertFatal(1==0,"Illegal count for prach_ParametersListCE_r13 %d\n",(int)prach_ParametersListCE_r13->list.count);
break;
}
}
@@ -201,9 +208,10 @@ void generate_Msg2(module_id_t module_idP,int CC_idP,frame_t frameP,sub_frame_t
// distributed transmission
// rmax from SIB2 information
rmax = p[RA_template->rach_resource_type-1]->mpdcch_NumRepetition_RA_r13;
// choose r3 by default for RAR (Table 9.1.5-5)
rep = 2;
AssertFatal(rmax<9,"rmax>8!\n");
rmax = 1<<p[RA_template->rach_resource_type-1]->mpdcch_NumRepetition_RA_r13;
// choose r1 by default for RAR (Table 9.1.5-5)
rep = 0;
// get actual repetition count from Table 9.1.5-3
reps = (rmax<=8)?(1<<rep):(rmax>>(3-rep));
// get narrowband according to higher-layer config
@@ -212,9 +220,10 @@ void generate_Msg2(module_id_t module_idP,int CC_idP,frame_t frameP,sub_frame_t
first_rb = narrowband_to_first_rb(&cc[CC_idP],RA_template->msg2_narrowband);
if ((RA_template->msg2_mpdcch_repetition_cnt == 0) &&
(mpdcch_sf_condition(eNB,CC_idP,frameP,subframeP,rmax,TYPE2,-1)>0)){
(mpdcch_sf_condition(eNB,CC_idP,frameP,subframeP,rmax,TYPE2,-1)>0)){
// MPDCCH configuration for RAR
LOG_I(MAC,"[eNB %d][RAPROC] Frame %d, Subframe %d : In generate_Msg2, Programming MPDCCH %d repetitions\n",
module_idP,frameP,subframeP,reps);
memset((void*)dl_config_pdu,0,sizeof(nfapi_dl_config_request_pdu_t));
@@ -265,10 +274,13 @@ void generate_Msg2(module_id_t module_idP,int CC_idP,frame_t frameP,sub_frame_t
dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.number_of_tx_antenna_ports = 1;
RA_template->msg2_mpdcch_repetition_cnt++;
dl_req->number_pdu++;
RA_template->Msg2_subframe = (RA_template->Msg2_subframe+9)%10;
} //repetition_count==0 && SF condition met
else if (RA_template->msg2_mpdcch_repetition_cnt>0) { // we're in a stream of repetitions
RA_template->msg2_mpdcch_repetition_cnt++;
if (RA_template->msg2_mpdcch_repetition_cnt>0) { // we're in a stream of repetitions
LOG_I(MAC,"[eNB %d][RAPROC] Frame %d, Subframe %d : In generate_Msg2, MPDCCH repetition %d\n",
module_idP,frameP,subframeP,RA_template->msg2_mpdcch_repetition_cnt);
if (RA_template->msg2_mpdcch_repetition_cnt==reps) { // this is the last mpdcch repetition
if (cc[CC_idP].tdd_Config==NULL) { // FDD case
// wait 2 subframes for PDSCH transmission
@@ -279,9 +291,13 @@ void generate_Msg2(module_id_t module_idP,int CC_idP,frame_t frameP,sub_frame_t
else {
AssertFatal(1==0,"TDD case not done yet\n");
}
} // mpdcch_repetition_count == reps
}// mpdcch_repetition_count == reps
RA_template->msg2_mpdcch_repetition_cnt++;
if ((RA_template->Msg2_frame == frameP) && (RA_template->Msg2_subframe == subframeP)) {
// Program PDSCH
LOG_I(MAC,"[eNB %d][RAPROC] Frame %d, Subframe %d : In generate_Msg2, Programming PDSCH %d\n",
module_idP,frameP,subframeP);
RA_template->generate_rar = 0;
dl_config_pdu = &dl_req->dl_config_pdu_list[dl_req->number_pdu];
@@ -341,8 +357,9 @@ void generate_Msg2(module_id_t module_idP,int CC_idP,frame_t frameP,sub_frame_t
else
#endif
{
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,
@@ -409,7 +426,8 @@ void generate_Msg2(module_id_t module_idP,int CC_idP,frame_t frameP,sub_frame_t
// Program UL processing for Msg3
get_Msg3alloc(&cc[CC_idP],subframeP,frameP,&RA_template->Msg3_frame,&RA_template->Msg3_subframe);
LOG_I(MAC,"Frame %d, Subframe %d: Setting Msg3 reception for Frame %d Subframe %d\n",
frameP,subframeP,RA_template->Msg3_frame,RA_template->Msg3_subframe);
fill_rar(module_idP,CC_idP,frameP,cc[CC_idP].RAR_pdu.payload,N_RB_DL,7);
// DL request
@@ -1024,7 +1042,7 @@ void schedule_RA(module_id_t module_idP,frame_t frameP, sub_frame_t subframeP)
start_meas(&eNB->schedule_ra);
for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
// skip UL component carriers
if (is_UL_sf(&cc[CC_id],subframeP)==1) continue;
@@ -1036,8 +1054,8 @@ 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] CC_id %d RA %d is active (generate RAR %d, generate_Msg4 %d, wait_ack_Msg4 %d, rnti %x)\n",
module_idP,CC_id,i,RA_template->generate_rar,RA_template->generate_Msg4,RA_template->wait_ack_Msg4, RA_template->rnti);
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);
else if (RA_template->generate_Msg4 == 1) generate_Msg4(module_idP,CC_id,frameP,subframeP,RA_template);
@@ -1068,13 +1086,26 @@ void initiate_ra_proc(module_id_t module_idP,
{
uint8_t i;
RA_TEMPLATE *RA_template = (RA_TEMPLATE *)&RC.mac[module_idP]->common_channels[CC_id].RA_template[0];
LOG_D(MAC,"[eNB %d][RAPROC] CC_id %d Frame %d Initiating RA procedure for preamble index %d\n",module_idP,CC_id,frameP,preamble_index);
COMMON_channels_t *cc = &RC.mac[module_idP]->common_channels[CC_id];
RA_TEMPLATE *RA_template = &cc->RA_template[0];
struct PRACH_ConfigSIB_v1310 *ext4_prach=cc->radioResourceConfigCommon_BR->ext4->prach_ConfigCommon_v1310;
PRACH_ParametersListCE_r13_t *prach_ParametersListCE_r13= &ext4_prach->prach_ParametersListCE_r13;
LOG_I(MAC,"[eNB %d][RAPROC] CC_id %d Frame %d, Subframe %d Initiating RA procedure for preamble index %d\n",module_idP,CC_id,frameP,subframeP,preamble_index);
#ifdef Rel14
LOG_D(MAC,"[eNB %d][RAPROC] CC_id %d Frame %d PRACH resource type %d\n",module_idP,CC_id,frameP,rach_resource_type);
LOG_I(MAC,"[eNB %d][RAPROC] CC_id %d Frame %d, Subframe %d PRACH resource type %d\n",module_idP,CC_id,frameP,subframeP,rach_resource_type);
#endif
if (prach_ParametersListCE_r13->list.count<rach_resource_type) {
LOG_E(MAC,"[eNB %d][RAPROC] CC_id %d Received impossible PRACH resource type %d, only %d CE levels configured\n",
module_idP,CC_id,
rach_resource_type,
(int)prach_ParametersListCE_r13->list.count);
return;
}
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_INITIATE_RA_PROC,1);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_INITIATE_RA_PROC,0);
@@ -1093,6 +1124,8 @@ void initiate_ra_proc(module_id_t module_idP,
RA_template[i].msg2_mpdcch_repetition_cnt = 0;
RA_template[i].msg4_mpdcch_repetition_cnt = 0;
#endif
RA_template[i].Msg2_frame = frameP+((subframeP>5)?1:0);
RA_template[i].Msg2_subframe = (subframeP+4)%10;
/* TODO: find better procedure to allocate RNTI */
do {
RA_template[i].rnti = taus();
@@ -1107,8 +1140,11 @@ void initiate_ra_proc(module_id_t module_idP,
if (loop == 100) { printf("%s:%d:%s: FATAL ERROR! contact the authors\n", __FILE__, __LINE__, __FUNCTION__); abort(); }
RA_template[i].RA_rnti = ra_rnti;
RA_template[i].preamble_index = preamble_index;
LOG_D(MAC,"[eNB %d][RAPROC] CC_id %d Frame %d Activating RAR generation for process %d, rnti %x, RA_active %d\n",
module_idP,CC_id,frameP,i,RA_template[i].rnti,
LOG_I(MAC,"[eNB %d][RAPROC] CC_id %d Frame %d Activating RAR generation in Frame %d, subframe %d for process %d, rnti %x, RA_active %d\n",
module_idP,CC_id,frameP,
RA_template[i].Msg2_frame,
RA_template[i].Msg2_subframe,
i,RA_template[i].rnti,
RA_template[i].RA_active);
return;
openair2/LAYER2/MAC/eNB_scheduler_primitives.c
+14 -10
View File
@@ -490,10 +490,9 @@ int mpdcch_sf_condition(eNB_MAC_INST *eNB,int CC_id, frame_t frameP,sub_frame_t
struct PRACH_ConfigSIB_v1310 *ext4_prach = eNB->common_channels[CC_id].radioResourceConfigCommon_BR->ext4->prach_ConfigCommon_v1310;
EPDCCH_SetConfig_r11_t *epdcch_setconfig_r11= &eNB->UE_list.UE_template[CC_id][UE_id].physicalConfigDedicated->ext4->epdcch_Config_r11->config_r11.choice.setup.setConfigToAddModList_r11->list.array[0] ;
int T;
EPDCCH_SetConfig_r11_t *epdcch_setconfig_r11;
switch (mpdcch_type) {
case TYPE0:
@@ -508,6 +507,7 @@ int mpdcch_sf_condition(eNB_MAC_INST *eNB,int CC_id, frame_t frameP,sub_frame_t
case TYPE2: // RAR
AssertFatal(ext4_prach->mpdcch_startSF_CSS_RA_r13!=NULL,
"mpdcch_startSF_CSS_RA_r13 is null\n");
AssertFatal(rmax>0,"rmax is 0!\b");
if (eNB->common_channels[CC_id].tdd_Config==NULL) //FDD
T = rmax*startSF_fdd_RA_times2[ext4_prach->mpdcch_startSF_CSS_RA_r13->choice.fdd_r13]>>1;
else //TDD
@@ -517,19 +517,23 @@ int mpdcch_sf_condition(eNB_MAC_INST *eNB,int CC_id, frame_t frameP,sub_frame_t
AssertFatal(1==0,"MPDCCH Type 2A not handled yet\n");
break;
case TYPEUESPEC:
AssertFatal(epdcch_setconfig_r11 != NULL," epdcch_setconfig_r11 is null for UE specific \n");
AssertFatal(epdcch_setconfig_r11->ext2 != NULL," ext2 doesn't exist in epdcch config ' \n");
if (eNB->common_channels[CC_id].tdd_Config==NULL) //FDD
T = rmax*startSF_fdd_RA_times2[epdcch_setconfig_r11->ext2->mpdcch_config_r13->choice.setup.mpdcch_StartSF_UESS_r13.choice.fdd_r13]>>1;
else //TDD
T = rmax*startSF_tdd_RA[epdcch_setconfig_r11->ext2->mpdcch_config_r13->choice.setup.mpdcch_StartSF_UESS_r13.choice.tdd_r13];
epdcch_setconfig_r11= &eNB->UE_list.UE_template[CC_id][UE_id].physicalConfigDedicated->ext4->epdcch_Config_r11->config_r11.choice.setup.setConfigToAddModList_r11->list.array[0] ;
AssertFatal(epdcch_setconfig_r11 != NULL," epdcch_setconfig_r11 is null for UE specific \n");
AssertFatal(epdcch_setconfig_r11->ext2 != NULL," ext2 doesn't exist in epdcch config ' \n");
if (eNB->common_channels[CC_id].tdd_Config==NULL) //FDD
T = rmax*startSF_fdd_RA_times2[epdcch_setconfig_r11->ext2->mpdcch_config_r13->choice.setup.mpdcch_StartSF_UESS_r13.choice.fdd_r13]>>1;
else //TDD
T = rmax*startSF_tdd_RA[epdcch_setconfig_r11->ext2->mpdcch_config_r13->choice.setup.mpdcch_StartSF_UESS_r13.choice.tdd_r13];
break;
default:
return(0);
}
AssertFatal(T>0,"T is 0!\n");
if (((10*frameP) + subframeP)%T == 0) return(1);
else return(0);
openair2/PHY_INTERFACE/IF_Module.c
+1
View File
@@ -40,6 +40,7 @@ void handle_rach(UL_IND_t *UL_info) {
"Got regular PRACH preamble, not BL/CE\n");
LOG_D(MAC,"Frame %d, Subframe %d Calling initiate_ra_proc (CE_level %d)\n",UL_info->frame,UL_info->subframe,
UL_info->rach_ind_br.preamble_list[i].preamble_rel13.rach_resource_type-1);
UL_info->rach_ind_br.number_of_preambles=0;
initiate_ra_proc(UL_info->module_id,
UL_info->CC_id,
UL_info->frame,
targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band13.tm1.50PRB.emtc.conf
+2 -2
View File
@@ -179,7 +179,7 @@ eNBs =
(
{
prach_config_index_br = 3;
prach_freq_offset_br = 1;
prach_freq_offset_br = 2;
prach_StartingSubframe_r13 = 0;
maxNumPreambleAttemptCE_r13 = 6;
numRepetitionPerPreambleAttempt_r13 = 0;
@@ -235,7 +235,7 @@ eNBs =
prach_config_index = 3;
prach_high_speed = "DISABLE";
prach_zero_correlation = 1;
prach_freq_offset = 1;
prach_freq_offset = 2;
pucch_delta_shift = 1;
pucch_nRB_CQI = 0;
pucch_nCS_AN = 0;