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OpenXG-RAN
Commit e5226adc authored by Raymond Knopp's avatar Raymond Knopp
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Merge branch 'oairu' of https://gitlab.eurecom.fr/oai/openairinterface5g into oairu

parents d72b9c4e 28f65fb2
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Showing with 36 additions and 30 deletions
openair1/PHY/INIT/lte_init_ru.c
View file @ e5226adc
......@@ -45,6 +45,7 @@ int phy_init_RU(RU_t *ru) {
if (ru->is_slave == 1) {
generate_ul_ref_sigs_rx();
}
else generate_ul_ref_sigs();
if (ru->if_south <= REMOTE_IF5) { // this means REMOTE_IF5 or LOCAL_RF, so allocate memory for time-domain signals
// Time-domain signals
......
openair1/SCHED/ru_procedures.c
View file @ e5226adc
......@@ -139,27 +139,26 @@ void feptx0(RU_t *ru,
int num_symb = 7;
if (subframe_select(fp,subframe) == SF_S)
num_symb = fp->dl_symbols_in_S_subframe+1;
num_symb = fp->dl_symbols_in_S_subframe+1;
if (ru->generate_dmrs_sync == 1 && slot == 0 && subframe == 1 && aa==0) {
if (ru->generate_dmrs_sync == 1 && slot == 2 && 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);
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&1)*slot_sizeF],
(int*)&ru->common.txdata[aa][slot_offset],
num_symb,
fp);
normal_prefix_mod(&ru->common.txdataF_BF[aa][(slot&1)*slot_sizeF],
(int*)&ru->common.txdata[aa][slot_offset],
num_symb,
fp);
}
}
......@@ -658,7 +657,7 @@ void ru_fep_full_2thread(RU_t *ru,
struct timespec wait;
if ((fp->frame_type == TDD) && (subframe_select(fp,subframe) != SF_UL)) return;
if ((fp->frame_type == TDD) && (subframe_select(fp,subframe) == SF_DL)) return;
if (ru->idx == 0) VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_RU_FEPRX, 1 );
......@@ -705,7 +704,7 @@ void ru_fep_full_2thread(RU_t *ru,
if (proc->tti_rx/*proc->subframe_rx*/==1 && ru->is_slave==1/* && ru->state == RU_CHECK_SYNC*/)
{
//LOG_I(PHY,"Running check synchronization procedure for frame %d\n", proc->frame_rx);
LOG_I(PHY,"Running check synchronization procedure for frame %d\n", proc->frame_rx);
ulsch_extract_rbs_single(ru->common.rxdataF,
calibration->rxdataF_ext,
0,
......@@ -731,9 +730,10 @@ void ru_fep_full_2thread(RU_t *ru,
check_sync_pos = lte_est_timing_advance_pusch(ru->frame_parms, ru->calibration.drs_ch_estimates_time);
if (ru->state == RU_CHECK_SYNC) {
if ((check_sync_pos >= 0 && check_sync_pos<8) || (check_sync_pos < 0 && check_sync_pos>-8)) {
LOG_I(PHY,"~~~~~~~~~~~ check_sync_pos %d, frame %d, cnt %d\n",check_sync_pos,proc->frame_rx,ru->wait_check);
// LOG_I(PHY,"~~~~~~~~~~~ check_sync_pos %d, frame %d, cnt %d\n",check_sync_pos,proc->frame_rx,ru->wait_check);
ru->wait_check++;
}
LOG_I(PHY,"~~~~~~~~~~~ check_sync_pos %d, frame %d, cnt %d\n",check_sync_pos,proc->frame_rx,ru->wait_check);
if (ru->wait_check==20) {
ru->state = RU_RUN;
......@@ -743,10 +743,11 @@ void ru_fep_full_2thread(RU_t *ru,
rru_config_msg.len = sizeof(RRU_CONFIG_msg_t); // TODO: set to correct msg len
LOG_I(PHY,"Sending RRU_sync_ok to RAU\n");
AssertFatal((ru->ifdevice.trx_ctlsend_func(&ru->ifdevice,&rru_config_msg,rru_config_msg.len)!=-1),"Failed to send msg to RAU %d\n",ru->idx);
/*
//LOG_I(PHY,"~~~~~~~~~ RU_RUN\n");
/*LOG_M("dmrs_time.m","dmrstime",calibration->drs_ch_estimates_time[0], (fp->ofdm_symbol_size),1,1);
LOG_M("dmrs_time.m","dmrstime",calibration->drs_ch_estimates_time[0], (fp->ofdm_symbol_size),1,1);
LOG_M("rxdataF_ext.m","rxdataFext",&calibration->rxdataF_ext[0][36*fp->N_RB_DL], 12*(fp->N_RB_DL),1,1);
LOG_M("drs_seq0.m","drsseq0",ul_ref_sigs_rx[0][0][23],600,1,1);
//LOG_M("drs_seq0.m","drsseq0",ul_ref_sigs_rx[0][0][23],600,1,1);
LOG_M("rxdata.m","rxdata",&ru->common.rxdata[0][0], fp->samples_per_tti*2,1,1);
exit(-1);*/
}
......
targets/RT/USER/lte-ru.c
View file @ e5226adc
......@@ -1721,7 +1721,7 @@ static void *ru_thread( void *param ) {
// if this is a slave RRU, try to synchronize on the DL frequency
if ((ru->is_slave == 1) && (ru->if_south == LOCAL_RF)) do_ru_synch(ru);
LOG_D(PHY,"RU %d Starting steady-state operation\n",ru->idx);
if (ru->state == RU_RUN || ru->state == RU_CHECK_SYNC) LOG_I(PHY,"RU %d Starting steady-state operation\n",ru->idx);
// This is a forever while loop, it loops over subframes which are scheduled by incoming samples from HW devices
while (ru->state == RU_RUN || ru->state == RU_CHECK_SYNC) {
......@@ -1918,7 +1918,7 @@ static void *ru_thread( void *param ) {
// This thread run the initial synchronization like a UE
void *ru_thread_synch(void *arg) {
RU_t *ru = (RU_t *)arg;
LTE_DL_FRAME_PARMS *fp = ru->frame_parms;
LTE_DL_FRAME_PARMS *fp;
int64_t peak_val, avg;
static int ru_thread_synch_status = 0;
int cnt=0;
......@@ -1927,6 +1927,8 @@ void *ru_thread_synch(void *arg) {
// initialize variables for PSS detection
ru_sync_time_init(ru); //lte_sync_time_init(ru->frame_parms);
fp = ru->frame_parms;
int last_rxoff=0;
while (!oai_exit) {
// wait to be woken up
if (wait_on_condition(&ru->proc.mutex_synch,&ru->proc.cond_synch,&ru->proc.instance_cnt_synch,"ru_thread_synch")<0) break;
......@@ -1940,17 +1942,18 @@ void *ru_thread_synch(void *arg) {
&avg);
LOG_I(PHY,"RU synch cnt %d: %d, val %llu (%d dB,%d dB)\n",cnt,ru->rx_offset,(unsigned long long)peak_val,dB_fixed64(peak_val),dB_fixed64(avg));
cnt++;
//if (/*ru->rx_offset >= 0*/dB_fixed(peak_val)>=85 && cnt>10) {
if (ru->rx_offset >= 0 && avg>0 && dB_fixed(peak_val/avg)>=15 && cnt>10) {
int abs_diff= ru->rx_offset - last_rxoff;
if (abs_diff<0) abs_diff=-abs_diff;
if (ru->rx_offset >= 0 && abs_diff<6 && avg>0 && dB_fixed(peak_val/avg)>=15 && cnt>10) {
LOG_I(PHY,"Estimated peak_val %d dB, avg %d => timing offset %llu\n",dB_fixed(peak_val),dB_fixed(avg),(unsigned long long int)ru->rx_offset);
ru->in_synch = 1;
/*
/*
LOG_M("ru_sync_rx.m","rurx",&ru->common.rxdata[0][0],LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*fp->samples_per_tti,1,1);
LOG_M("ru_sync_corr.m","sync_corr",ru->dmrs_corr,LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*fp->samples_per_tti,1,6);
LOG_M("ru_dmrs.m","rudmrs",&ru->dmrssync[0],fp->ofdm_symbol_size,1,1);
*/
//exit(-1);
exit(-1);
*/
} // sync_pos > 0
else { //AssertFatal(cnt<1000,"Cannot find synch reference\n");
if (cnt>200) {
......@@ -1960,6 +1963,7 @@ void *ru_thread_synch(void *arg) {
exit(-1);
}
}
last_rxoff=ru->rx_offset;
} // ru->in_synch==0
if (release_thread(&ru->proc.mutex_synch,&ru->proc.instance_cnt_synch,"ru_synch_thread") < 0) break;
......
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