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Merge remote-tracking branch 'origin/develop' into feature-131-new-license

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Conflicts:
	openair1/PHY/INIT/lte_init.c
	openair1/PHY/LTE_TRANSPORT/dci_tools.c
	openair1/PHY/LTE_TRANSPORT/ulsch_decoding.c
	openair1/SCHED/phy_procedures_lte_eNb.c
	openair1/SCHED/phy_procedures_lte_ue.c
	openair1/SIMULATION/LTE_PHY/dlsim.c
	openair1/SIMULATION/RF/adc.c
	openair2/LAYER2/MAC/lte_transport_init.c
	targets/RT/USER/lte-softmodem.c
	targets/RT/USER/sched_dlsch.c
	targets/RT/USER/sched_rx_pdsch.c
	targets/RT/USER/sched_ulsch.c
	targets/SIMU/USER/oaisim.c
This commit is contained in:
Cedric Roux
2016-09-27 15:05:00 +02:00
parent f06dd02fe8 e08e2577f5
commit 7a724e7d2e
200 changed files with 22970 additions and 19972 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair1/PHY/LTE_ESTIMATION/lte_adjust_sync.c
+32 -27
View File
@@ -2,6 +2,8 @@
#include "PHY/defs.h"
#include "PHY/extern.h"
#include "UTIL/LOG/vcd_signal_dumper.h"
#define DEBUG_PHY
// Adjust location synchronization point to account for drift
@@ -9,7 +11,7 @@
// last channel estimate of the receiver
void lte_adjust_synch(LTE_DL_FRAME_PARMS *frame_parms,
PHY_VARS_UE *phy_vars_ue,
PHY_VARS_UE *ue,
unsigned char eNB_id,
unsigned char clear,
short coef)
@@ -20,10 +22,12 @@ void lte_adjust_synch(LTE_DL_FRAME_PARMS *frame_parms,
int diff;
short Re,Im,ncoef;
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_ADJUST_SYNCH, VCD_FUNCTION_IN);
ncoef = 32767 - coef;
#ifdef DEBUG_PHY
LOG_D(PHY,"frame %d, slot %d: rx_offset (before) = %d\n",phy_vars_ue->frame_rx,phy_vars_ue->slot_rx,phy_vars_ue->rx_offset);
LOG_D(PHY,"frame %d: rx_offset (before) = %d\n",ue->proc.proc_rxtx[0].frame_rx,ue->rx_offset);
#endif //DEBUG_PHY
@@ -32,8 +36,8 @@ void lte_adjust_synch(LTE_DL_FRAME_PARMS *frame_parms,
temp = 0;
for (aa=0; aa<frame_parms->nb_antennas_rx; aa++) {
Re = ((int16_t*)phy_vars_ue->lte_ue_common_vars.dl_ch_estimates_time[eNB_id][aa])[(i<<2)];
Im = ((int16_t*)phy_vars_ue->lte_ue_common_vars.dl_ch_estimates_time[eNB_id][aa])[1+(i<<2)];
Re = ((int16_t*)ue->common_vars.dl_ch_estimates_time[eNB_id][aa])[(i<<2)];
Im = ((int16_t*)ue->common_vars.dl_ch_estimates_time[eNB_id][aa])[1+(i<<2)];
temp += (Re*Re/2) + (Im*Im/2);
}
@@ -53,29 +57,30 @@ void lte_adjust_synch(LTE_DL_FRAME_PARMS *frame_parms,
diff = max_pos_fil - frame_parms->nb_prefix_samples/8;
if ( diff > SYNCH_HYST )
phy_vars_ue->rx_offset++;
ue->rx_offset++;
else if (diff < -SYNCH_HYST)
phy_vars_ue->rx_offset--;
ue->rx_offset--;
if ( phy_vars_ue->rx_offset < 0 )
phy_vars_ue->rx_offset += FRAME_LENGTH_COMPLEX_SAMPLES;
if ( ue->rx_offset < 0 )
ue->rx_offset += FRAME_LENGTH_COMPLEX_SAMPLES;
if ( phy_vars_ue->rx_offset >= FRAME_LENGTH_COMPLEX_SAMPLES )
phy_vars_ue->rx_offset -= FRAME_LENGTH_COMPLEX_SAMPLES;
if ( ue->rx_offset >= FRAME_LENGTH_COMPLEX_SAMPLES )
ue->rx_offset -= FRAME_LENGTH_COMPLEX_SAMPLES;
#ifdef DEBUG_PHY
LOG_D(PHY,"frame %d: rx_offset (after) = %d : max_pos = %d,max_pos_fil = %d (peak %d)\n",
phy_vars_ue->frame_rx,phy_vars_ue->rx_offset,max_pos,max_pos_fil,temp);
ue->proc.proc_rxtx[0].frame_rx,ue->rx_offset,max_pos,max_pos_fil,temp);
#endif //DEBUG_PHY
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_ADJUST_SYNCH, VCD_FUNCTION_OUT);
}
int lte_est_timing_advance(LTE_DL_FRAME_PARMS *frame_parms,
LTE_eNB_SRS *lte_eNb_srs,
LTE_eNB_SRS *lte_eNB_srs,
unsigned int *eNB_id,
unsigned char clear,
unsigned char number_of_cards,
@@ -105,23 +110,23 @@ int lte_est_timing_advance(LTE_DL_FRAME_PARMS *frame_parms,
// do ifft of channel estimate
switch(frame_parms->N_RB_DL) {
case 6:
dft128((int16_t*) &lte_eNb_srs->srs_ch_estimates[ind][aa][0],
(int16_t*) lte_eNb_srs->srs_ch_estimates_time[ind][aa],
dft128((int16_t*) &lte_eNB_srs->srs_ch_estimates[ind][aa][0],
(int16_t*) lte_eNB_srs->srs_ch_estimates_time[ind][aa],
1);
break;
case 25:
dft512((int16_t*) &lte_eNb_srs->srs_ch_estimates[ind][aa][0],
(int16_t*) lte_eNb_srs->srs_ch_estimates_time[ind][aa],
dft512((int16_t*) &lte_eNB_srs->srs_ch_estimates[ind][aa][0],
(int16_t*) lte_eNB_srs->srs_ch_estimates_time[ind][aa],
1);
break;
case 50:
dft1024((int16_t*) &lte_eNb_srs->srs_ch_estimates[ind][aa][0],
(int16_t*) lte_eNb_srs->srs_ch_estimates_time[ind][aa],
dft1024((int16_t*) &lte_eNB_srs->srs_ch_estimates[ind][aa][0],
(int16_t*) lte_eNB_srs->srs_ch_estimates_time[ind][aa],
1);
break;
case 100:
dft2048((int16_t*) &lte_eNb_srs->srs_ch_estimates[ind][aa][0],
(int16_t*) lte_eNb_srs->srs_ch_estimates_time[ind][aa],
dft2048((int16_t*) &lte_eNB_srs->srs_ch_estimates[ind][aa][0],
(int16_t*) lte_eNB_srs->srs_ch_estimates_time[ind][aa],
1);
break;
}
@@ -129,7 +134,7 @@ int lte_est_timing_advance(LTE_DL_FRAME_PARMS *frame_parms,
#ifdef DEBUG_PHY
sprintf(fname,"srs_ch_estimates_time_%d%d.m",ind,aa);
sprintf(vname,"srs_time_%d%d",ind,aa);
write_output(fname,vname,lte_eNb_srs->srs_ch_estimates_time[ind][aa],frame_parms->ofdm_symbol_size*2,2,1);
write_output(fname,vname,lte_eNB_srs->srs_ch_estimates_time[ind][aa],frame_parms->ofdm_symbol_size*2,2,1);
#endif
#endif
}
@@ -140,8 +145,8 @@ int lte_est_timing_advance(LTE_DL_FRAME_PARMS *frame_parms,
temp = 0;
for (aa=0; aa<frame_parms->nb_antennas_rx; aa++) {
Re = ((int16_t*)lte_eNb_srs->srs_ch_estimates_time[ind][aa])[(i<<1)];
Im = ((int16_t*)lte_eNb_srs->srs_ch_estimates_time[ind][aa])[1+(i<<1)];
Re = ((int16_t*)lte_eNB_srs->srs_ch_estimates_time[ind][aa])[(i<<1)];
Im = ((int16_t*)lte_eNB_srs->srs_ch_estimates_time[ind][aa])[1+(i<<1)];
temp += (Re*Re/2) + (Im*Im/2);
}
@@ -167,7 +172,7 @@ int lte_est_timing_advance(LTE_DL_FRAME_PARMS *frame_parms,
}
int lte_est_timing_advance_pusch(PHY_VARS_eNB* phy_vars_eNB,uint8_t UE_id,uint8_t sched_subframe)
int lte_est_timing_advance_pusch(PHY_VARS_eNB* eNB,uint8_t UE_id)
{
static int first_run=1;
static int max_pos_fil2=0;
@@ -175,8 +180,8 @@ int lte_est_timing_advance_pusch(PHY_VARS_eNB* phy_vars_eNB,uint8_t UE_id,uint8_
short Re,Im,coef=24576;
short ncoef = 32768 - coef;
LTE_DL_FRAME_PARMS *frame_parms = &phy_vars_eNB->lte_frame_parms;
LTE_eNB_PUSCH *eNB_pusch_vars = phy_vars_eNB->lte_eNB_pusch_vars[UE_id];
LTE_DL_FRAME_PARMS *frame_parms = &eNB->frame_parms;
LTE_eNB_PUSCH *eNB_pusch_vars = eNB->pusch_vars[UE_id];
int32_t **ul_ch_estimates_time= eNB_pusch_vars->drs_ch_estimates_time[0];
uint8_t cyclic_shift = 0;
int sync_pos = (frame_parms->ofdm_symbol_size-cyclic_shift*frame_parms->ofdm_symbol_size/12)%(frame_parms->ofdm_symbol_size);
@@ -208,7 +213,7 @@ int lte_est_timing_advance_pusch(PHY_VARS_eNB* phy_vars_eNB,uint8_t UE_id,uint8_
max_pos_fil2 = ((max_pos_fil2 * coef) + (max_pos * ncoef)) >> 15;
#ifdef DEBUG_PHY
LOG_D(PHY,"frame %d: max_pos = %d, max_pos_fil = %d, sync_pos=%d\n",phy_vars_eNB->proc[sched_subframe].frame_rx,max_pos,max_pos_fil2,sync_pos);
LOG_D(PHY,"frame %d: max_pos = %d, max_pos_fil = %d, sync_pos=%d\n",eNB->proc.frame_rx,max_pos,max_pos_fil2,sync_pos);
#endif //DEBUG_PHY
return(max_pos_fil2-sync_pos);