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Commit 0dd076a3 authored by gabrielC's avatar gabrielC
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[OAI-UE] fix time tracking and channel interpolation

parent 7a2984e8
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Showing with 286 additions and 279 deletions
openair1/PHY/INIT/lte_init.c
View file @ 0dd076a3
......@@ -1063,7 +1063,8 @@ int phy_init_lte_ue(PHY_VARS_UE *ue,
// create shortcuts
LTE_DL_FRAME_PARMS* const fp = &ue->frame_parms;
LTE_UE_COMMON* const common_vars = &ue->common_vars;
LTE_UE_PDSCH** const pdsch_vars = ue->pdsch_vars;
LTE_UE_PDSCH** const pdsch_vars_th0 = ue->pdsch_vars[0];
LTE_UE_PDSCH** const pdsch_vars_th1 = ue->pdsch_vars[1];
LTE_UE_PDSCH** const pdsch_vars_SI = ue->pdsch_vars_SI;
LTE_UE_PDSCH** const pdsch_vars_ra = ue->pdsch_vars_ra;
LTE_UE_PDSCH** const pdsch_vars_mch = ue->pdsch_vars_MCH;
......@@ -1116,32 +1117,37 @@ int phy_init_lte_ue(PHY_VARS_UE *ue,
// init RX buffers
common_vars->rxdata = (int32_t**)malloc16( fp->nb_antennas_rx*sizeof(int32_t*) );
common_vars->rxdataF = (int32_t**)malloc16( fp->nb_antennas_rx*sizeof(int32_t*) );
common_vars->rxdataF2 = (int32_t**)malloc16( fp->nb_antennas_rx*sizeof(int32_t*) );
common_vars->common_vars_rx_data_per_thread[0].rxdataF = (int32_t**)malloc16( fp->nb_antennas_rx*sizeof(int32_t*) );
common_vars->common_vars_rx_data_per_thread[1].rxdataF = (int32_t**)malloc16( fp->nb_antennas_rx*sizeof(int32_t*) );
for (i=0; i<fp->nb_antennas_rx; i++) {
common_vars->rxdata[i] = (int32_t*) malloc16_clear( (fp->samples_per_tti*10+2048)*sizeof(int32_t) );
common_vars->rxdataF[i] = (int32_t*)malloc16_clear( sizeof(int32_t)*(fp->ofdm_symbol_size*14) );
common_vars->rxdataF2[i] = (int32_t*)malloc16_clear( sizeof(int32_t)*(fp->ofdm_symbol_size*fp->symbols_per_tti*10) );
common_vars->common_vars_rx_data_per_thread[0].rxdataF[i] = (int32_t*)malloc16_clear( sizeof(int32_t)*(fp->ofdm_symbol_size*14) );
common_vars->common_vars_rx_data_per_thread[1].rxdataF[i] = (int32_t*)malloc16_clear( sizeof(int32_t)*(fp->ofdm_symbol_size*14) );
}
}
// Channel estimates
for (eNB_id=0; eNB_id<7; eNB_id++) {
common_vars->dl_ch_estimates[eNB_id] = (int32_t**)malloc16_clear(8*sizeof(int32_t*));
common_vars->dl_ch_estimates_time[eNB_id] = (int32_t**)malloc16_clear(8*sizeof(int32_t*));
common_vars->common_vars_rx_data_per_thread[0].dl_ch_estimates[eNB_id] = (int32_t**)malloc16_clear(8*sizeof(int32_t*));
common_vars->common_vars_rx_data_per_thread[1].dl_ch_estimates[eNB_id] = (int32_t**)malloc16_clear(8*sizeof(int32_t*));
common_vars->common_vars_rx_data_per_thread[0].dl_ch_estimates_time[eNB_id] = (int32_t**)malloc16_clear(8*sizeof(int32_t*));
common_vars->common_vars_rx_data_per_thread[1].dl_ch_estimates_time[eNB_id] = (int32_t**)malloc16_clear(8*sizeof(int32_t*));
for (i=0; i<fp->nb_antennas_rx; i++)
for (j=0; j<4; j++) {
int idx = (j<<1) + i;
common_vars->dl_ch_estimates[eNB_id][idx] = (int32_t*)malloc16_clear( sizeof(int32_t)*fp->symbols_per_tti*(fp->ofdm_symbol_size+LTE_CE_FILTER_LENGTH) );
common_vars->dl_ch_estimates_time[eNB_id][idx] = (int32_t*)malloc16_clear( sizeof(int32_t)*fp->ofdm_symbol_size*2 );
common_vars->common_vars_rx_data_per_thread[0].dl_ch_estimates[eNB_id][idx] = (int32_t*)malloc16_clear( sizeof(int32_t)*fp->symbols_per_tti*(fp->ofdm_symbol_size+LTE_CE_FILTER_LENGTH) );
common_vars->common_vars_rx_data_per_thread[1].dl_ch_estimates[eNB_id][idx] = (int32_t*)malloc16_clear( sizeof(int32_t)*fp->symbols_per_tti*(fp->ofdm_symbol_size+LTE_CE_FILTER_LENGTH) );
common_vars->common_vars_rx_data_per_thread[0].dl_ch_estimates_time[eNB_id][idx] = (int32_t*)malloc16_clear( sizeof(int32_t)*fp->ofdm_symbol_size*2 );
common_vars->common_vars_rx_data_per_thread[1].dl_ch_estimates_time[eNB_id][idx] = (int32_t*)malloc16_clear( sizeof(int32_t)*fp->ofdm_symbol_size*2 );
}
}
// DLSCH
for (eNB_id=0; eNB_id<ue->n_connected_eNB; eNB_id++) {
pdsch_vars[eNB_id] = (LTE_UE_PDSCH *)malloc16_clear(sizeof(LTE_UE_PDSCH));
pdsch_vars_th0[eNB_id] = (LTE_UE_PDSCH *)malloc16_clear(sizeof(LTE_UE_PDSCH));
pdsch_vars_th1[eNB_id] = (LTE_UE_PDSCH *)malloc16_clear(sizeof(LTE_UE_PDSCH));
pdsch_vars_SI[eNB_id] = (LTE_UE_PDSCH *)malloc16_clear(sizeof(LTE_UE_PDSCH));
pdsch_vars_ra[eNB_id] = (LTE_UE_PDSCH *)malloc16_clear(sizeof(LTE_UE_PDSCH));
pdsch_vars_mch[eNB_id] = (LTE_UE_PDSCH *)malloc16_clear(sizeof(LTE_UE_PDSCH));
......@@ -1150,25 +1156,43 @@ int phy_init_lte_ue(PHY_VARS_UE *ue,
pbch_vars[eNB_id] = (LTE_UE_PBCH *)malloc16_clear(sizeof(LTE_UE_PBCH));
if (abstraction_flag == 0) {
phy_init_lte_ue__PDSCH( pdsch_vars[eNB_id], fp );
phy_init_lte_ue__PDSCH( pdsch_vars_th0[eNB_id], fp );
phy_init_lte_ue__PDSCH( pdsch_vars_th1[eNB_id], fp );
pdsch_vars[eNB_id]->llr_shifts = (uint8_t*)malloc16_clear(7*2*fp->N_RB_DL*12);
pdsch_vars[eNB_id]->llr_shifts_p = pdsch_vars[eNB_id]->llr_shifts;
pdsch_vars[eNB_id]->dl_ch_mag1 = (int32_t**)malloc16_clear( 8*sizeof(int32_t*) );
pdsch_vars[eNB_id]->dl_ch_magb1 = (int32_t**)malloc16_clear( 8*sizeof(int32_t*) );
pdsch_vars[eNB_id]->llr[1] = (int16_t*)malloc16_clear( (8*((3*8*6144)+12))*sizeof(int16_t) );
// thread 0
pdsch_vars_th0[eNB_id]->llr_shifts = (uint8_t*)malloc16_clear(7*2*fp->N_RB_DL*12);
pdsch_vars_th0[eNB_id]->llr_shifts_p = pdsch_vars_th0[eNB_id]->llr_shifts;
pdsch_vars_th0[eNB_id]->dl_ch_mag1 = (int32_t**)malloc16_clear( 8*sizeof(int32_t*) );
pdsch_vars_th0[eNB_id]->dl_ch_magb1 = (int32_t**)malloc16_clear( 8*sizeof(int32_t*) );
pdsch_vars_th0[eNB_id]->llr[1] = (int16_t*)malloc16_clear( (8*((3*8*6144)+12))*sizeof(int16_t) );
for (k=0; k<8; k++)
pdsch_vars[eNB_id]->rxdataF_comp1[k] = (int32_t**)malloc16_clear( 8*sizeof(int32_t*) );
pdsch_vars_th0[eNB_id]->rxdataF_comp1[k] = (int32_t**)malloc16_clear( 8*sizeof(int32_t*) );
// thread 1
pdsch_vars_th1[eNB_id]->llr_shifts = (uint8_t*)malloc16_clear(7*2*fp->N_RB_DL*12);
pdsch_vars_th1[eNB_id]->llr_shifts_p = pdsch_vars_th1[eNB_id]->llr_shifts;
pdsch_vars_th1[eNB_id]->dl_ch_mag1 = (int32_t**)malloc16_clear( 8*sizeof(int32_t*) );
pdsch_vars_th1[eNB_id]->dl_ch_magb1 = (int32_t**)malloc16_clear( 8*sizeof(int32_t*) );
pdsch_vars_th1[eNB_id]->llr[1] = (int16_t*)malloc16_clear( (8*((3*8*6144)+12))*sizeof(int16_t) );
for (k=0; k<8; k++)
pdsch_vars_th1[eNB_id]->rxdataF_comp1[k] = (int32_t**)malloc16_clear( 8*sizeof(int32_t*) );
for (i=0; i<fp->nb_antennas_rx; i++)
for (j=0; j<4; j++) {
int idx = (j<<1)+i;
pdsch_vars[eNB_id]->dl_ch_mag1[idx] = (int32_t*)malloc16_clear( 7*2*sizeof(int32_t)*(fp->N_RB_DL*12) );
pdsch_vars[eNB_id]->dl_ch_magb1[idx] = (int32_t*)malloc16_clear( 7*2*sizeof(int32_t)*(fp->N_RB_DL*12) );
pdsch_vars_th0[eNB_id]->dl_ch_mag1[idx] = (int32_t*)malloc16_clear( 7*2*sizeof(int32_t)*(fp->N_RB_DL*12) );
pdsch_vars_th0[eNB_id]->dl_ch_magb1[idx] = (int32_t*)malloc16_clear( 7*2*sizeof(int32_t)*(fp->N_RB_DL*12) );
pdsch_vars_th1[eNB_id]->dl_ch_mag1[idx] = (int32_t*)malloc16_clear( 7*2*sizeof(int32_t)*(fp->N_RB_DL*12) );
pdsch_vars_th1[eNB_id]->dl_ch_magb1[idx] = (int32_t*)malloc16_clear( 7*2*sizeof(int32_t)*(fp->N_RB_DL*12) );
for (k=0; k<8; k++)
pdsch_vars[eNB_id]->rxdataF_comp1[idx][k] = (int32_t*)malloc16_clear( sizeof(int32_t)*(fp->N_RB_DL*12*14) );
{
pdsch_vars_th0[eNB_id]->rxdataF_comp1[idx][k] = (int32_t*)malloc16_clear( sizeof(int32_t)*(fp->N_RB_DL*12*14) );
pdsch_vars_th1[eNB_id]->rxdataF_comp1[idx][k] = (int32_t*)malloc16_clear( sizeof(int32_t)*(fp->N_RB_DL*12*14) );
}
}
phy_init_lte_ue__PDSCH( pdsch_vars_SI[eNB_id], fp );
......@@ -1225,14 +1249,17 @@ int phy_init_lte_ue(PHY_VARS_UE *ue,
// initialization for the last instance of pdsch_vars (used for MU-MIMO)
pdsch_vars[eNB_id] = (LTE_UE_PDSCH *)malloc16_clear( sizeof(LTE_UE_PDSCH) );
pdsch_vars_th0[eNB_id] = (LTE_UE_PDSCH *)malloc16_clear( sizeof(LTE_UE_PDSCH) );
pdsch_vars_th1[eNB_id] = (LTE_UE_PDSCH *)malloc16_clear( sizeof(LTE_UE_PDSCH) );
pdsch_vars_SI[eNB_id] = (LTE_UE_PDSCH *)malloc16_clear( sizeof(LTE_UE_PDSCH) );
pdsch_vars_ra[eNB_id] = (LTE_UE_PDSCH *)malloc16_clear( sizeof(LTE_UE_PDSCH) );
if (abstraction_flag == 0) {
phy_init_lte_ue__PDSCH( pdsch_vars[eNB_id], fp );
pdsch_vars[eNB_id]->llr[1] = (int16_t*)malloc16_clear( (8*((3*8*6144)+12))*sizeof(int16_t) );
phy_init_lte_ue__PDSCH( pdsch_vars_th0[eNB_id], fp );
pdsch_vars_th0[eNB_id]->llr[1] = (int16_t*)malloc16_clear( (8*((3*8*6144)+12))*sizeof(int16_t) );
phy_init_lte_ue__PDSCH( pdsch_vars_th1[eNB_id], fp );
pdsch_vars_th1[eNB_id]->llr[1] = (int16_t*)malloc16_clear( (8*((3*8*6144)+12))*sizeof(int16_t) );
} else { //abstraction == 1
ue->sinr_dB = (double*) malloc16_clear( fp->N_RB_DL*12*sizeof(double) );
}
......
openair1/PHY/LTE_ESTIMATION/defs.h
View file @ 0dd076a3
......@@ -180,6 +180,7 @@ This function computes the time domain channel response, finds the peak and adju
void lte_adjust_synch(LTE_DL_FRAME_PARMS *frame_parms,
PHY_VARS_UE *phy_vars_ue,
module_id_t eNb_id,
uint8_t subframe,
unsigned char clear,
short coef);
......@@ -187,7 +188,8 @@ void lte_adjust_synch(LTE_DL_FRAME_PARMS *frame_parms,
void lte_ue_measurements(PHY_VARS_UE *phy_vars_ue,
unsigned int subframe_offset,
unsigned char N0_symbol,
unsigned char abstraction_flag);
unsigned char abstraction_flag,
uint8_t subframe);
//! \brief This function performance RSRP/RSCP measurements
void ue_rrc_measurements(PHY_VARS_UE *phy_vars_ue,
......
openair1/PHY/LTE_ESTIMATION/lte_adjust_sync.c
View file @ 0dd076a3
......@@ -34,6 +34,7 @@
void lte_adjust_synch(LTE_DL_FRAME_PARMS *frame_parms,
PHY_VARS_UE *ue,
unsigned char eNB_id,
uint8_t subframe,
unsigned char clear,
short coef)
{
......@@ -48,7 +49,7 @@ void lte_adjust_synch(LTE_DL_FRAME_PARMS *frame_parms,
ncoef = 32767 - coef;
#ifdef DEBUG_PHY
LOG_D(PHY,"frame %d: rx_offset (before) = %d\n",ue->proc.proc_rxtx[0].frame_rx,ue->rx_offset);
LOG_D(PHY,"AbsSubframe %d.%d: rx_offset (before) = %d\n",ue->proc.proc_rxtx[0].frame_rx%1024,subframe,ue->rx_offset);
#endif //DEBUG_PHY
......@@ -57,8 +58,8 @@ 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*)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)];
Re = ((int16_t*)ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].dl_ch_estimates_time[eNB_id][aa])[(i<<2)];
Im = ((int16_t*)ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].dl_ch_estimates_time[eNB_id][aa])[1+(i<<2)];
temp += (Re*Re/2) + (Im*Im/2);
}
......@@ -74,9 +75,10 @@ void lte_adjust_synch(LTE_DL_FRAME_PARMS *frame_parms,
else
max_pos_fil = ((max_pos_fil * coef) + (max_pos * ncoef)) >> 15;
// do not filter to have proactive timing adjustment
max_pos_fil = max_pos;
diff = max_pos_fil - frame_parms->nb_prefix_samples/8;
diff = max_pos_fil - (frame_parms->nb_prefix_samples>>3);
if ( abs(diff) < SYNCH_HYST )
ue->rx_offset = 0;
......@@ -92,8 +94,8 @@ void lte_adjust_synch(LTE_DL_FRAME_PARMS *frame_parms,
#ifdef DEBUG_PHY
LOG_D(PHY,"frame %d: rx_offset (after) = %d : max_pos = %d,max_pos_fil = %d (peak %d)\n",
ue->proc.proc_rxtx[0].frame_rx,ue->rx_offset,max_pos,max_pos_fil,temp);
LOG_D(PHY,"AbsSubframe %d.%d: rx_offset (after) = %d : max_pos = %d,max_pos_fil = %d (peak %d) target_pos %d \n",
ue->proc.proc_rxtx[0].frame_rx,subframe,ue->rx_offset,max_pos,max_pos_fil,temp,(frame_parms->nb_prefix_samples>>3));
#endif //DEBUG_PHY
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_ADJUST_SYNCH, VCD_FUNCTION_OUT);
......
openair1/PHY/LTE_ESTIMATION/lte_dl_bf_channel_estimation.c
View file @ 0dd076a3
......@@ -70,9 +70,9 @@ int lte_dl_bf_channel_estimation(PHY_VARS_UE *phy_vars_ue,
else
rballoc = dlsch0_harq->rb_alloc_even;
rxdataF = phy_vars_ue->common_vars.rxdataF;
rxdataF = phy_vars_ue->common_vars.common_vars_rx_data_per_thread[(Ns>>1)&0x1].rxdataF;
dl_bf_ch_estimates = phy_vars_ue->pdsch_vars[eNB_id]->dl_bf_ch_estimates;
dl_bf_ch_estimates = phy_vars_ue->pdsch_vars[(Ns>>1)&0x1][eNB_id]->dl_bf_ch_estimates;
beamforming_mode = phy_vars_ue->transmission_mode[eNB_id]>6 ? phy_vars_ue->transmission_mode[eNB_id] : 0;
if (phy_vars_ue->high_speed_flag == 0) // use second channel estimate position for temporary storage
......
openair1/PHY/LTE_ESTIMATION/lte_dl_channel_estimation.c
View file @ 0dd076a3
......@@ -44,12 +44,14 @@ int lte_dl_channel_estimation(PHY_VARS_UE *ue,
int ch_offset,symbol_offset;
// unsigned int n;
// int i;
static int interpolateS11S12 = 1;
uint16_t Nid_cell = (eNB_offset == 0) ? ue->frame_parms.Nid_cell : ue->measurements.adj_cell_id[eNB_offset-1];
uint8_t nushift,pilot1,pilot2,pilot3;
int **dl_ch_estimates=ue->common_vars.dl_ch_estimates[eNB_offset];
int **rxdataF=ue->common_vars.rxdataF;
int **dl_ch_estimates =ue->common_vars.common_vars_rx_data_per_thread[(Ns>>1)&0x1].dl_ch_estimates[eNB_offset];
int **dl_ch_estimates_previous=ue->common_vars.common_vars_rx_data_per_thread[((Ns>>1)+1)&0x1].dl_ch_estimates[eNB_offset];
int **rxdataF=ue->common_vars.common_vars_rx_data_per_thread[(Ns>>1)&0x1].rxdataF;
if (ue->frame_parms.Ncp == 0) { // normal prefix
pilot1 = 4;
......@@ -638,13 +640,19 @@ int lte_dl_channel_estimation(PHY_VARS_UE *ue,
if (symbol == 0) {
// printf("Interpolating %d->0\n",4-ue->frame_parms.Ncp);
// dl_ch_prev = (int16_t *)&dl_ch_estimates[(p<<1)+aarx][(4-ue->frame_parms.Ncp)*(ue->frame_parms.ofdm_symbol_size)];
dl_ch_prev = (int16_t *)&dl_ch_estimates[(p<<1)+aarx][pilot3*(ue->frame_parms.ofdm_symbol_size)];
if(((Ns>>1)!=0) || ( ((Ns>>1)==0) && interpolateS11S12))
{
//LOG_D(PHY,"Interpolate s11-->s0 to get s12 and s13 Ns %d \n", Ns);
dl_ch_prev = (int16_t *)&dl_ch_estimates_previous[(p<<1)+aarx][pilot3*(ue->frame_parms.ofdm_symbol_size)];
multadd_complex_vector_real_scalar(dl_ch_prev,21845,dl_ch_prev+(2*(ue->frame_parms.ofdm_symbol_size)),1,ue->frame_parms.ofdm_symbol_size);
multadd_complex_vector_real_scalar(dl_ch,10923,dl_ch_prev+(2*(ue->frame_parms.ofdm_symbol_size)),0,ue->frame_parms.ofdm_symbol_size);
multadd_complex_vector_real_scalar(dl_ch_prev,21845,dl_ch_prev+(2*(ue->frame_parms.ofdm_symbol_size)),1,ue->frame_parms.ofdm_symbol_size);
multadd_complex_vector_real_scalar(dl_ch,10923,dl_ch_prev+(2*(ue->frame_parms.ofdm_symbol_size)),0,ue->frame_parms.ofdm_symbol_size);
multadd_complex_vector_real_scalar(dl_ch_prev,10923,dl_ch_prev+(2*((ue->frame_parms.ofdm_symbol_size)<<1)),1,ue->frame_parms.ofdm_symbol_size);
multadd_complex_vector_real_scalar(dl_ch,21845,dl_ch_prev+(2*((ue->frame_parms.ofdm_symbol_size)<<1)),0,ue->frame_parms.ofdm_symbol_size);
multadd_complex_vector_real_scalar(dl_ch_prev,10923,dl_ch_prev+(2*((ue->frame_parms.ofdm_symbol_size)<<1)),1,ue->frame_parms.ofdm_symbol_size);
multadd_complex_vector_real_scalar(dl_ch,21845,dl_ch_prev+(2*((ue->frame_parms.ofdm_symbol_size)<<1)),0,ue->frame_parms.ofdm_symbol_size);
}
interpolateS11S12 = 1;
} // this is 1/3,2/3 combination for pilots spaced by 3 symbols
else if (symbol == pilot1) {
dl_ch_prev = (int16_t *)&dl_ch_estimates[(p<<1)+aarx][0];
......@@ -693,46 +701,38 @@ int lte_dl_channel_estimation(PHY_VARS_UE *ue,
multadd_complex_vector_real_scalar(dl_ch_prev,21845,dl_ch_prev+(2*(ue->frame_parms.ofdm_symbol_size)<<1),1,ue->frame_parms.ofdm_symbol_size);
multadd_complex_vector_real_scalar(dl_ch,10923,dl_ch_prev+(2*((ue->frame_parms.ofdm_symbol_size)<<1)),0,ue->frame_parms.ofdm_symbol_size);
} // pilot spacing 3 symbols (1/3,2/3 combination)
#if 0
//LOG_E(PHY,"Interpolate s7--s11 s12 s13 pilot 3 Ns %d l %d symbol %d \n", Ns, l, symbol);
int16_t *dlChEst_ofdm11 = (int16_t *)&dl_ch_estimates[(p<<1)+aarx][pilot3*(ue->frame_parms.ofdm_symbol_size)];
int16_t *dlChEst_ofdm7 = (int16_t *)&dl_ch_estimates[(p<<1)+aarx][pilot2*(ue->frame_parms.ofdm_symbol_size)];
// interpolate ofdm s12: 4/5*ofdms11 + 1/5*ofdms7 4/5 q1.15 26214 1/5 q1.15 6554
int16_t *dlChEst_ofdm12 = (int16_t *)&dl_ch_estimates[(p<<1)+aarx][12*ue->frame_parms.ofdm_symbol_size];
for(int i=0; i<(2*ue->frame_parms.ofdm_symbol_size); i++)
{
int32_t tmp_mult = 0;
tmp_mult = ((int32_t)dlChEst_ofdm11[i] * 26214 + (int32_t)dlChEst_ofdm7[i] * 6554);
tmp_mult = tmp_mult >> 15;
dlChEst_ofdm12[i] = tmp_mult;
/*
if((i==0))
{
LOG_I(PHY,"interpolate dlchest11_0 using: dlchest11 %d+%di dlchest7 %d+%di\n",dlChEst_ofdm11[0],dlChEst_ofdm11[1],dlChEst_ofdm7[0],dlChEst_ofdm7[1]);
LOG_I(PHY,"interpolate dlchest11_1 using: dlchest11 %d+%di dlchest7 %d+%di\n",dlChEst_ofdm11[2],dlChEst_ofdm11[3],dlChEst_ofdm7[2],dlChEst_ofdm7[3]);
LOG_I(PHY,"interpolate dlchest11_2 using: dlchest11 %d+%di dlchest7 %d+%di\n",dlChEst_ofdm11[4],dlChEst_ofdm11[5],dlChEst_ofdm7[4],dlChEst_ofdm7[5]);
}*/
}
// interpolate ofdm s13: 2/3*ofdms11 + 1/3*ofdms7 2/3 q1.15 21845 1/3 q1.15 10923
int16_t *dlChEst_ofdm13 = (int16_t *)&dl_ch_estimates[(p<<1)+aarx][13*ue->frame_parms.ofdm_symbol_size];
for(int i=0; i<(2*ue->frame_parms.ofdm_symbol_size); i++)
{
int32_t tmp_mult = 0;
tmp_mult = ((int32_t)dlChEst_ofdm11[i] * 21845 + (int32_t)dlChEst_ofdm7[i] * 10923);
tmp_mult = tmp_mult >> 15;
dlChEst_ofdm13[i] = tmp_mult;
/*if((i==0))
{
LOG_I(PHY,"interpolate dlchest11_0 using: dlchest11 %d+%di dlchest7 %d+%di\n",dlChEst_ofdm11[0],dlChEst_ofdm11[1],dlChEst_ofdm7[0],dlChEst_ofdm7[1]);
LOG_I(PHY,"interpolate dlchest11_1 using: dlchest11 %d+%di dlchest7 %d+%di\n",dlChEst_ofdm11[2],dlChEst_ofdm11[3],dlChEst_ofdm7[2],dlChEst_ofdm7[3]);
LOG_I(PHY,"interpolate dlchest11_2 using: dlchest11 %d+%di dlchest7 %d+%di\n",dlChEst_ofdm11[4],dlChEst_ofdm11[5],dlChEst_ofdm7[4],dlChEst_ofdm7[5]);
}*/
}
#endif
if((ue->rx_offset_diff !=0) && ((Ns>>1) == 9))
{
//LOG_D(PHY,"Extrapolate s7-->s11 to get s12 and s13 Ns %d\n", Ns);
interpolateS11S12 = 0;
//LOG_E(PHY,"Interpolate s7--s11 s12 s13 pilot 3 Ns %d l %d symbol %d \n", Ns, l, symbol);
int16_t *dlChEst_ofdm11 = (int16_t *)&dl_ch_estimates[(p<<1)+aarx][pilot3*(ue->frame_parms.ofdm_symbol_size)];
int16_t *dlChEst_ofdm7 = (int16_t *)&dl_ch_estimates[(p<<1)+aarx][pilot2*(ue->frame_parms.ofdm_symbol_size)];
// interpolate ofdm s12: 5/4*ofdms11 + -1/4*ofdms7 5/4 q1.15 40960 -1/4 q1.15 8192
int16_t *dlChEst_ofdm12 = (int16_t *)&dl_ch_estimates[(p<<1)+aarx][12*ue->frame_parms.ofdm_symbol_size];
for(int i=0; i<(2*ue->frame_parms.ofdm_symbol_size); i++)
{
int64_t tmp_mult = 0;
tmp_mult = ((int64_t)dlChEst_ofdm11[i] * 40960 - (int64_t)dlChEst_ofdm7[i] * 8192);
tmp_mult = tmp_mult >> 15;
dlChEst_ofdm12[i] = tmp_mult;
}
// interpolate ofdm s13: 3/2*ofdms11 + -1/2*ofdms7 3/2 q1.15 49152 1/2 q1.15 16384
int16_t *dlChEst_ofdm13 = (int16_t *)&dl_ch_estimates[(p<<1)+aarx][13*ue->frame_parms.ofdm_symbol_size];
for(int i=0; i<(2*ue->frame_parms.ofdm_symbol_size); i++)
{
int64_t tmp_mult = 0;
tmp_mult = ((int64_t)dlChEst_ofdm11[i] * 49152 - (int64_t)dlChEst_ofdm7[i] * 16384);
tmp_mult = tmp_mult >> 15;
dlChEst_ofdm13[i] = tmp_mult;
}
}
}
}
......@@ -774,15 +774,15 @@ int lte_dl_channel_estimation(PHY_VARS_UE *ue,
// do ifft of channel estimate
for (aarx=0; aarx<ue->frame_parms.nb_antennas_rx; aarx++)
for (p=0; p<ue->frame_parms.nb_antenna_ports_eNB; p++) {
if (ue->common_vars.dl_ch_estimates[eNB_offset][(p<<1)+aarx])
idft((int16_t*) &ue->common_vars.dl_ch_estimates[eNB_offset][(p<<1)+aarx][8],
(int16_t*) ue->common_vars.dl_ch_estimates_time[eNB_offset][(p<<1)+aarx],1);
if (ue->common_vars.common_vars_rx_data_per_thread[(Ns>>1)&0x1].dl_ch_estimates[eNB_offset][(p<<1)+aarx])
idft((int16_t*) &ue->common_vars.common_vars_rx_data_per_thread[(Ns>>1)&0x1].dl_ch_estimates[eNB_offset][(p<<1)+aarx][8],
(int16_t*) ue->common_vars.common_vars_rx_data_per_thread[(Ns>>1)&0x1].dl_ch_estimates_time[eNB_offset][(p<<1)+aarx],1);
}
#if T_TRACER
T(T_UE_PHY_DL_CHANNEL_ESTIMATE, T_INT(eNB_id), T_INT(ue->Mod_id),
T_INT(ue->proc.proc_rxtx[(Ns>>1)&1].frame_rx%1024), T_INT(ue->proc.proc_rxtx[(Ns>>1)&1].subframe_rx),
T_INT(0), T_BUFFER(&ue->common_vars.dl_ch_estimates_time[eNB_offset][0][0], 512 * 4));
T_INT(0), T_BUFFER(&ue->common_vars.common_vars_rx_data_per_thread[(Ns>>1)&0x1].dl_ch_estimates_time[eNB_offset][0][0], 512 * 4));
#endif
return(0);
......
openair1/PHY/LTE_ESTIMATION/lte_dl_mbsfn_channel_estimation.c
View file @ 0dd076a3
......@@ -44,8 +44,8 @@ int lte_dl_mbsfn_channel_estimation(PHY_VARS_UE *ue,
// unsigned int n;
// int i;
int **dl_ch_estimates=ue->common_vars.dl_ch_estimates[0];
int **rxdataF=ue->common_vars.rxdataF;
int **dl_ch_estimates=ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].dl_ch_estimates[0];
int **rxdataF=ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].rxdataF;
ch_offset = (l*(ue->frame_parms.ofdm_symbol_size));
symbol_offset = ch_offset;//phy_vars_ue->lte_frame_parms.ofdm_symbol_size*l;
......@@ -734,31 +734,31 @@ int lte_dl_mbsfn_channel_estimation(PHY_VARS_UE *ue,
// do ifft of channel estimate
for (aa=0; aa<ue->frame_parms.nb_antennas_rx*ue->frame_parms.nb_antennas_tx; aa++) {
if (ue->common_vars.dl_ch_estimates[eNB_offset][aa]) {
if (ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].dl_ch_estimates[eNB_offset][aa]) {
switch (ue->frame_parms.N_RB_DL) {
case 6:
idft128((int16_t*) &ue->common_vars.dl_ch_estimates[eNB_offset][aa][8],
(int16_t*) ue->common_vars.dl_ch_estimates_time[eNB_offset][aa],
idft128((int16_t*) &ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].dl_ch_estimates[eNB_offset][aa][8],
(int16_t*) ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].dl_ch_estimates_time[eNB_offset][aa],
1);
break;
case 25:
idft512((int16_t*) &ue->common_vars.dl_ch_estimates[eNB_offset][aa][8],
(int16_t*) ue->common_vars.dl_ch_estimates_time[eNB_offset][aa],
idft512((int16_t*) &ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].dl_ch_estimates[eNB_offset][aa][8],
(int16_t*) ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].dl_ch_estimates_time[eNB_offset][aa],
1);
break;
case 50:
idft1024((int16_t*) &ue->common_vars.dl_ch_estimates[eNB_offset][aa][8],
(int16_t*) ue->common_vars.dl_ch_estimates_time[eNB_offset][aa],
idft1024((int16_t*) &ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].dl_ch_estimates[eNB_offset][aa][8],
(int16_t*) ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].dl_ch_estimates_time[eNB_offset][aa],
1);
break;
case 75:
idft1536((int16_t*) &ue->common_vars.dl_ch_estimates[eNB_offset][aa][8],
(int16_t*) ue->common_vars.dl_ch_estimates_time[eNB_offset][aa],
idft1536((int16_t*) &ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].dl_ch_estimates[eNB_offset][aa][8],
(int16_t*) ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].dl_ch_estimates_time[eNB_offset][aa],
1);
break;
case 100:
idft2048((int16_t*) &ue->common_vars.dl_ch_estimates[eNB_offset][aa][8],
(int16_t*) ue->common_vars.dl_ch_estimates_time[eNB_offset][aa],
idft2048((int16_t*) &ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].dl_ch_estimates[eNB_offset][aa][8],
(int16_t*) ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].dl_ch_estimates_time[eNB_offset][aa],
1);
break;
default:
......
openair1/PHY/LTE_ESTIMATION/lte_ue_measurements.c
View file @ 0dd076a3
......@@ -197,9 +197,8 @@ void ue_rrc_measurements(PHY_VARS_UE *ue,
if (ue->frame_parms.Ncp==NORMAL) {
for (aarx=0; aarx<ue->frame_parms.nb_antennas_rx; aarx++) {
rxF_sss = (int16_t *)&ue->common_vars.rxdataF[aarx][(5*ue->frame_parms.ofdm_symbol_size)];
rxF_pss = (int16_t *)&ue->common_vars.rxdataF[aarx][(6*ue->frame_parms.ofdm_symbol_size)];
rxF_sss = (int16_t *)&ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].rxdataF[aarx][(5*ue->frame_parms.ofdm_symbol_size)];
rxF_pss = (int16_t *)&ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].rxdataF[aarx][(6*ue->frame_parms.ofdm_symbol_size)];
//-ve spectrum from SSS
......@@ -224,7 +223,7 @@ void ue_rrc_measurements(PHY_VARS_UE *ue,
ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[2+66]*rxF_pss[2+66])+((int32_t)rxF_pss[2+65]*rxF_pss[2+65]));
// ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[2+64]*rxF_pss[2+64])+((int32_t)rxF_pss[2+63]*rxF_pss[2+63]));
// printf("pss32 %d\n",ue->measurements.n0_power[aarx]); //-ve spectrum from PSS
rxF_pss = (int16_t *)&ue->common_vars.rxdataF[aarx][(7*ue->frame_parms.ofdm_symbol_size)];
rxF_pss = (int16_t *)&ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].rxdataF[aarx][(7*ue->frame_parms.ofdm_symbol_size)];
// ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[-72]*rxF_pss[-72])+((int32_t)rxF_pss[-71]*rxF_pss[-71]));
// printf("pssm36 %d\n",ue->measurements.n0_power[aarx]);
ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[-70]*rxF_pss[-70])+((int32_t)rxF_pss[-69]*rxF_pss[-69]));
......@@ -296,10 +295,10 @@ void ue_rrc_measurements(PHY_VARS_UE *ue,
if (ue->frame_parms.Ncp==NORMAL) {
for (aarx=0; aarx<ue->frame_parms.nb_antennas_rx; aarx++) {
rxF_sss = (int16_t *)&ue->common_vars.rxdataF[aarx][(6*ue->frame_parms.ofdm_symbol_size)];
rxF_sss = (int16_t *)&ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].rxdataF[aarx][(6*ue->frame_parms.ofdm_symbol_size)];
// note this is a dummy pointer, the pss is not really there!
// in FDD the pss is in the symbol after the sss, but not in TDD
rxF_pss = (int16_t *)&ue->common_vars.rxdataF[aarx][(7*ue->frame_parms.ofdm_symbol_size)];
rxF_pss = (int16_t *)&ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].rxdataF[aarx][(7*ue->frame_parms.ofdm_symbol_size)];
//-ve spectrum from SSS
// ue->measurements.n0_power[aarx] = (((int32_t)rxF_pss[-72]*rxF_pss[-72])+((int32_t)rxF_pss[-71]*rxF_pss[-71]));
......@@ -351,7 +350,7 @@ void ue_rrc_measurements(PHY_VARS_UE *ue,
#endif
for (aarx=0; aarx<ue->frame_parms.nb_antennas_rx; aarx++) {
rxF = (int16_t *)&ue->common_vars.rxdataF[aarx][(l*ue->frame_parms.ofdm_symbol_size)];
rxF = (int16_t *)&ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].rxdataF[aarx][(l*ue->frame_parms.ofdm_symbol_size)];
off = (ue->frame_parms.first_carrier_offset+k)<<1;
if (l==(4-ue->frame_parms.Ncp)) {
......@@ -457,7 +456,8 @@ void ue_rrc_measurements(PHY_VARS_UE *ue,
void lte_ue_measurements(PHY_VARS_UE *ue,
unsigned int subframe_offset,
unsigned char N0_symbol,
unsigned char abstraction_flag)
unsigned char abstraction_flag,
uint8_t subframe)
{
......@@ -507,7 +507,7 @@ void lte_ue_measurements(PHY_VARS_UE *ue,
for (aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) {
for (aatx=0; aatx<frame_parms->nb_antenna_ports_eNB; aatx++) {
ue->measurements.rx_spatial_power[eNB_id][aatx][aarx] =
(signal_energy_nodc(&ue->common_vars.dl_ch_estimates[eNB_id][(aatx<<1) + aarx][0],
(signal_energy_nodc(&ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].dl_ch_estimates[eNB_id][(aatx<<1) + aarx][0],
(N_RB_DL*12)));
//- ue->measurements.n0_power[aarx];
......@@ -575,8 +575,8 @@ void lte_ue_measurements(PHY_VARS_UE *ue,
// cqi/pmi information
for (aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) {
dl_ch0 = &ue->common_vars.dl_ch_estimates[eNB_id][aarx][4];
dl_ch1 = &ue->common_vars.dl_ch_estimates[eNB_id][2+aarx][4];
dl_ch0 = &ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].dl_ch_estimates[eNB_id][aarx][4];
dl_ch1 = &ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].dl_ch_estimates[eNB_id][2+aarx][4];
for (subband=0; subband<nb_subbands; subband++) {
......@@ -630,13 +630,13 @@ void lte_ue_measurements(PHY_VARS_UE *ue,
#if defined(__x86_64__) || defined(__i386__)
__m128i pmi128_re,pmi128_im,mmtmpPMI0,mmtmpPMI1 /* ,mmtmpPMI2,mmtmpPMI3 */ ;
dl_ch0_128 = (__m128i *)&ue->common_vars.dl_ch_estimates[eNB_id][aarx][4];
dl_ch1_128 = (__m128i *)&ue->common_vars.dl_ch_estimates[eNB_id][2+aarx][4];
dl_ch0_128 = (__m128i *)&ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].dl_ch_estimates[eNB_id][aarx][4];
dl_ch1_128 = (__m128i *)&ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].dl_ch_estimates[eNB_id][2+aarx][4];
#elif defined(__arm__)
int32x4_t pmi128_re,pmi128_im,mmtmpPMI0,mmtmpPMI1,mmtmpPMI0b,mmtmpPMI1b;
dl_ch0_128 = (int16x8_t *)&ue->common_vars.dl_ch_estimates[eNB_id][aarx][4];
dl_ch1_128 = (int16x8_t *)&ue->common_vars.dl_ch_estimates[eNB_id][2+aarx][4];
dl_ch0_128 = (int16x8_t *)&ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].dl_ch_estimates[eNB_id][aarx][4];
dl_ch1_128 = (int16x8_t *)&ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].dl_ch_estimates[eNB_id][2+aarx][4];
#endif
for (subband=0; subband<nb_subbands; subband++) {
......@@ -694,7 +694,7 @@ void lte_ue_measurements(PHY_VARS_UE *ue,
else {
// cqi information only for mode 1
for (aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) {
dl_ch0 = &ue->common_vars.dl_ch_estimates[eNB_id][aarx][4];
dl_ch0 = &ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].dl_ch_estimates[eNB_id][aarx][4];
for (subband=0; subband<7; subband++) {
......
openair1/PHY/LTE_TRANSPORT/dci.c
View file @ 0dd076a3
......@@ -1705,16 +1705,16 @@ int32_t rx_pdcch(LTE_UE_COMMON *common_vars,
for (s=0; s<n_pdcch_symbols; s++) {
if (is_secondary_ue == 1) {
pdcch_extract_rbs_single(common_vars->rxdataF,
common_vars->dl_ch_estimates[eNB_id+1], //add 1 to eNB_id to compensate for the shifted B/F'd pilots from the SeNB
pdcch_extract_rbs_single(common_vars->common_vars_rx_data_per_thread[subframe&0x1].rxdataF,
common_vars->common_vars_rx_data_per_thread[subframe&0x1].dl_ch_estimates[eNB_id+1], //add 1 to eNB_id to compensate for the shifted B/F'd pilots from the SeNB
pdcch_vars[eNB_id]->rxdataF_ext,
pdcch_vars[eNB_id]->dl_ch_estimates_ext,
s,
high_speed_flag,
frame_parms);
#ifdef MU_RECEIVER
pdcch_extract_rbs_single(common_vars->rxdataF,
common_vars->dl_ch_estimates[eNB_id_i - 1],//subtract 1 to eNB_id_i to compensate for the non-shifted pilots from the PeNB
pdcch_extract_rbs_single(common_vars->common_vars_rx_data_per_thread[subframe&0x1].rxdataF,
common_vars->common_vars_rx_data_per_thread[subframe&0x1].dl_ch_estimates[eNB_id_i - 1],//subtract 1 to eNB_id_i to compensate for the non-shifted pilots from the PeNB
pdcch_vars[eNB_id_i]->rxdataF_ext,//shift by two to simulate transmission from a second antenna
pdcch_vars[eNB_id_i]->dl_ch_estimates_ext,//shift by two to simulate transmission from a second antenna
s,
......@@ -1722,16 +1722,16 @@ int32_t rx_pdcch(LTE_UE_COMMON *common_vars,
frame_parms);
#endif //MU_RECEIVER
} else if (frame_parms->nb_antenna_ports_eNB>1) {
pdcch_extract_rbs_dual(common_vars->rxdataF,
common_vars->dl_ch_estimates[eNB_id],
pdcch_extract_rbs_dual(common_vars->common_vars_rx_data_per_thread[subframe&0x1].rxdataF,
common_vars->common_vars_rx_data_per_thread[subframe&0x1].dl_ch_estimates[eNB_id],
pdcch_vars[eNB_id]->rxdataF_ext,
pdcch_vars[eNB_id]->dl_ch_estimates_ext,
s,
high_speed_flag,
frame_parms);
} else {
pdcch_extract_rbs_single(common_vars->rxdataF,
common_vars->dl_ch_estimates[eNB_id],
pdcch_extract_rbs_single(common_vars->common_vars_rx_data_per_thread[subframe&0x1].rxdataF,
common_vars->common_vars_rx_data_per_thread[subframe&0x1].dl_ch_estimates[eNB_id],
pdcch_vars[eNB_id]->rxdataF_ext,
pdcch_vars[eNB_id]->dl_ch_estimates_ext,
s,
......@@ -1752,9 +1752,9 @@ int32_t rx_pdcch(LTE_UE_COMMON *common_vars,
avgs = cmax(avgs,avgP[(aarx<<1)+aatx]);
log2_maxh = (log2_approx(avgs)/2) + 5; //+frame_parms->nb_antennas_rx;
//#ifdef DEBUG_PHY
#ifdef DEBUG_PHY
LOG_I(PHY,"subframe %d: pdcch log2_maxh = %d (%d,%d)\n",subframe,log2_maxh,avgP[0],avgs);
//#endif
#endif
#if T_TRACER
T(T_UE_PHY_PDCCH_ENERGY, T_INT(eNB_id), T_INT(0), T_INT(frame%1024), T_INT(subframe),
......
openair1/PHY/LTE_TRANSPORT/dci_tools.c
View file @ 0dd076a3
......@@ -7211,14 +7211,14 @@ int generate_ue_ulsch_params_from_dci(void *dci_pdu,
printf("Format 0 DCI :ulsch (ue): first_tx %d\n",ulsch->harq_processes[harq_pid]->first_tx);
printf("Format 0 DCI :ulsch (ue): DCINdi %d\n",ulsch->harq_processes[harq_pid]->DCINdi);
printf("Format 0 DCI :ulsch (ue): round %d\n",ulsch->harq_processes[harq_pid]->round);
printf("Format 0 DCI :ulsch (ue): TBS %d\n",ulsch->harq_processes[harq_pid]->TBS);
//printf("Format 0 DCI :ulsch (ue): TBS %d\n",ulsch->harq_processes[harq_pid]->TBS);
printf("Format 0 DCI :ulsch (ue): mcs %d\n",ulsch->harq_processes[harq_pid]->mcs);
printf("Format 0 DCI :ulsch (ue): O %d\n",ulsch->O);
printf("Format 0 DCI :ulsch (ue): cqiReq %d\n",cqi_req);
if (frame_parms->frame_type == TDD)
printf("Format 0 DCI :ulsch (ue): O_ACK/DAI %d/%d\n",ulsch->harq_processes[harq_pid]->O_ACK,dai);
else
printf("Format 0 DCI :ulsch (ue): O_ACK %d\n",ulsch->harq_processes[harq_pid]->O_ACK);
//printf("Format 0 DCI :ulsch (ue): O %d\n",ulsch->O);
//printf("Format 0 DCI :ulsch (ue): cqiReq %d\n",cqi_req);
//if (frame_parms->frame_type == TDD)
// printf("Format 0 DCI :ulsch (ue): O_ACK/DAI %d/%d\n",ulsch->harq_processes[harq_pid]->O_ACK,dai);
//else
// printf("Format 0 DCI :ulsch (ue): O_ACK %d\n",ulsch->harq_processes[harq_pid]->O_ACK);
printf("Format 0 DCI :ulsch (ue): Nsymb_pusch %d\n",ulsch->Nsymb_pusch);
printf("Format 0 DCI :ulsch (ue): cshift %d\n",ulsch->harq_processes[harq_pid]->n_DMRS2);
......@@ -7873,12 +7873,12 @@ int generate_eNB_ulsch_params_from_dci(PHY_VARS_eNB *eNB,
}
double sinr_eff_cqi_calc(PHY_VARS_UE *ue, uint8_t eNB_id)
double sinr_eff_cqi_calc(PHY_VARS_UE *ue, uint8_t eNB_id, uint8_t subframe)
{
uint8_t transmission_mode = ue->transmission_mode[eNB_id];
PHY_MEASUREMENTS *meas = &ue->measurements;
LTE_DL_FRAME_PARMS *frame_parms = &ue->frame_parms;
int32_t **dl_channel_est = ue->common_vars.dl_ch_estimates[eNB_id];
int32_t **dl_channel_est = ue->common_vars.common_vars_rx_data_per_thread[subframe &0x1].dl_ch_estimates[eNB_id];
double *s_dB;
s_dB = ue->sinr_CQI_dB;
// LTE_UE_ULSCH_t *ulsch = ue->ulsch[eNB_id];
......
openair1/PHY/LTE_TRANSPORT/initial_sync.c
View file @ 0dd076a3
......@@ -83,7 +83,7 @@ int pbch_detection(PHY_VARS_UE *ue, runmode_t mode)
lte_ue_measurements(ue,
ue->rx_offset,
0,
0);
0,0);
if (ue->frame_parms.frame_type == TDD) {
......
openair1/PHY/LTE_TRANSPORT/pbch.c
View file @ 0dd076a3
......@@ -900,8 +900,8 @@ uint16_t rx_pbch(LTE_UE_COMMON *lte_ue_common_vars,
#ifdef DEBUG_PBCH
msg("[PBCH] starting extract\n");
#endif
pbch_extract(lte_ue_common_vars->rxdataF,
lte_ue_common_vars->dl_ch_estimates[eNB_id],
pbch_extract(lte_ue_common_vars->common_vars_rx_data_per_thread[0].rxdataF,
lte_ue_common_vars->common_vars_rx_data_per_thread[0].dl_ch_estimates[eNB_id],
lte_ue_pbch_vars->rxdataF_ext,
lte_ue_pbch_vars->dl_ch_estimates_ext,
symbol,
......
openair1/PHY/LTE_TRANSPORT/phich.c
View file @ 0dd076a3
......@@ -1399,7 +1399,7 @@ void rx_phich(PHY_VARS_UE *ue,
subframe,
HI16,
nseq_PHICH,
ngroup_PHICH,
ngroup_PHICH,ulsch->harq_processes[harq_pid]->round+1,
ulsch->Mlimit);
//#endif
......
openair1/PHY/LTE_TRANSPORT/pmch.c
View file @ 0dd076a3
......@@ -74,7 +74,7 @@ void dump_mch(PHY_VARS_UE *ue,uint8_t eNB_id,uint16_t coded_bits_per_codeword,in
write_output(fname,vname,ue->pdsch_vars_MCH[eNB_id]->dl_ch_magb0[0],12*N_RB_DL*nsymb_pmch,1,1);
write_output("mch00_ch0.m","pmch00_ch0",
&(ue->common_vars.dl_ch_estimates[eNB_id][0][0]),
&(ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].dl_ch_estimates[eNB_id][0][0]),
ue->frame_parms.ofdm_symbol_size*12,1,1);
write_output("rxsig_mch.m","rxs_mch",
......@@ -969,8 +969,8 @@ int rx_pmch(PHY_VARS_UE *ue,
//printf("*********************mch: symbol %d\n",symbol);
mch_extract_rbs(common_vars->rxdataF,
common_vars->dl_ch_estimates[eNB_id],
mch_extract_rbs(common_vars->common_vars_rx_data_per_thread[subframe&0x1].rxdataF,
common_vars->common_vars_rx_data_per_thread[subframe&0x1].dl_ch_estimates[eNB_id],
pdsch_vars[eNB_id]->rxdataF_ext,
pdsch_vars[eNB_id]->dl_ch_estimates_ext,
symbol,
......
openair1/PHY/LTE_TRANSPORT/proto.h
View file @ 0dd076a3
......@@ -1570,7 +1570,8 @@ int32_t generate_ue_ulsch_params_from_rar(PHY_VARS_UE *phy_vars_ue,
UE_rxtx_proc_t *proc,
uint8_t eNB_id);
double sinr_eff_cqi_calc(PHY_VARS_UE *phy_vars_ue,
uint8_t eNB_id);
uint8_t eNB_id,
uint8_t subframe);
uint8_t sinr2cqi(double sinr,uint8_t trans_mode);
......
openair1/PHY/LTE_TRANSPORT/sss.c
View file @ 0dd076a3
......@@ -163,7 +163,7 @@ int _do_pss_sss_extract(PHY_VARS_UE *ue,
int rx_offset = frame_parms->ofdm_symbol_size-3*12;
uint8_t pss_symb,sss_symb;
int32_t **rxdataF = ue->common_vars.rxdataF;
int32_t **rxdataF = ue->common_vars.common_vars_rx_data_per_thread[0].rxdataF;
if (frame_parms->frame_type == FDD) {
pss_symb = 6-frame_parms->Ncp;
......
openair1/PHY/MODULATION/ofdm_mod.c
View file @ 0dd076a3
......@@ -145,7 +145,7 @@ void PHY_ofdm_mod(int *input, /// pointer to complex input
#else
// on AVX2 need 256-bit alignment
idft((int16_t *)&input[i*fftsize],
(fftsize<=512) ? (int16_t *)temp : (int16_t *)&output[(i*fftsize) + ((1+i)*nb_prefix_samples)],
(int16_t *)temp,
1);
#endif
......@@ -163,8 +163,6 @@ void PHY_ofdm_mod(int *input, /// pointer to complex input
#ifndef __AVX2__
if (fftsize==128)
#else
if (fftsize<=512)
#endif
{
for (j=0; j<fftsize ; j++) {
......
openair1/PHY/MODULATION/slot_fep.c
View file @ 0dd076a3
......@@ -109,18 +109,12 @@ int slot_fep(PHY_VARS_UE *ue,
for (aa=0; aa<frame_parms->nb_antennas_rx; aa++) {
memset(&common_vars->rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],0,frame_parms->ofdm_symbol_size*sizeof(int));
memset(&common_vars->common_vars_rx_data_per_thread[(Ns>>1)&0x1].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],0,frame_parms->ofdm_symbol_size*sizeof(int));
rx_offset = sample_offset + slot_offset + nb_prefix_samples0 + subframe_offset - SOFFSET;
// Align with 256 bit
// rx_offset = rx_offset&0xfffffff8;
#ifdef DEBUG_FEP
// if (ue->frame <100)
printf("slot_fep: frame %d: slot %d, symbol %d, nb_prefix_samples %d, nb_prefix_samples0 %d, slot_offset %d, subframe_offset %d, sample_offset %d,rx_offset %d\n", ue->proc.proc_rxtx[(Ns>>1)&1].frame_rx,Ns, symbol,
nb_prefix_samples,nb_prefix_samples0,slot_offset,subframe_offset,sample_offset,rx_offset);
#endif
if (l==0) {
if (rx_offset > (frame_length_samples - frame_parms->ofdm_symbol_size))
......@@ -133,12 +127,12 @@ int slot_fep(PHY_VARS_UE *ue,
(void *)&common_vars->rxdata[aa][rx_offset % frame_length_samples],
frame_parms->ofdm_symbol_size*sizeof(int));
dft((int16_t *)tmp_dft_in,
(int16_t *)&common_vars->rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],1);
(int16_t *)&common_vars->common_vars_rx_data_per_thread[(Ns>>1)&0x1].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],1);
} else { // use dft input from RX buffer directly
start_meas(&ue->rx_dft_stats);
dft((int16_t *)&common_vars->rxdata[aa][(rx_offset) % frame_length_samples],
(int16_t *)&common_vars->rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],1);
(int16_t *)&common_vars->common_vars_rx_data_per_thread[(Ns>>1)&0x1].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],1);
stop_meas(&ue->rx_dft_stats);
}
......@@ -148,8 +142,8 @@ int slot_fep(PHY_VARS_UE *ue,
#ifdef DEBUG_FEP
// if (ue->frame <100)
printf("slot_fep: frame %d: slot %d, symbol %d, nb_prefix_samples %d, nb_prefix_samples0 %d, slot_offset %d, subframe_offset %d, sample_offset %d,rx_offset %d\n", ue->proc.proc_rxtx[(Ns>>1)&1].frame_rx,Ns, symbol,
nb_prefix_samples,nb_prefix_samples0,slot_offset,subframe_offset,sample_offset,rx_offset);
LOG_I(PHY,"slot_fep: frame %d: slot %d, symbol %d, nb_prefix_samples %d, nb_prefix_samples0 %d, slot_offset %d, subframe_offset %d, sample_offset %d,rx_offset %d, frame_length_samples %d\n", ue->proc.proc_rxtx[(Ns>>1)&1].frame_rx,Ns, symbol,
nb_prefix_samples,nb_prefix_samples0,slot_offset,subframe_offset,sample_offset,rx_offset,frame_length_samples);
#endif
if (rx_offset > (frame_length_samples - frame_parms->ofdm_symbol_size))
......@@ -164,11 +158,11 @@ int slot_fep(PHY_VARS_UE *ue,
(void *)&common_vars->rxdata[aa][(rx_offset) % frame_length_samples],
frame_parms->ofdm_symbol_size*sizeof(int));
dft((int16_t *)tmp_dft_in,
(int16_t *)&common_vars->rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],1);
(int16_t *)&common_vars->common_vars_rx_data_per_thread[(Ns>>1)&0x1].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],1);
} else { // use dft input from RX buffer directly
dft((int16_t *)&common_vars->rxdata[aa][(rx_offset) % frame_length_samples],
(int16_t *)&common_vars->rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],1);
(int16_t *)&common_vars->common_vars_rx_data_per_thread[(Ns>>1)&0x1].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],1);
}
stop_meas(&ue->rx_dft_stats);
......@@ -176,6 +170,10 @@ int slot_fep(PHY_VARS_UE *ue,
}
#ifdef DEBUG_FEP
// if (ue->frame <100)
printf("slot_fep: frame %d: symbol %d rx_offset %d\n", ue->proc.proc_rxtx[(Ns>>1)&1].frame_rx, symbol,rx_offset);
#endif
}
if (ue->perfect_ce == 0) {
......@@ -211,7 +209,7 @@ int slot_fep(PHY_VARS_UE *ue,
if (l==(4-frame_parms->Ncp)) {
start_meas(&ue->dlsch_freq_offset_estimation_stats);
lte_est_freq_offset(common_vars->dl_ch_estimates[0],
lte_est_freq_offset(common_vars->common_vars_rx_data_per_thread[(Ns>>1)&0x1].dl_ch_estimates[0],
frame_parms,
l,
&common_vars->freq_offset,
......
openair1/PHY/MODULATION/slot_fep_mbsfn.c
View file @ 0dd076a3
......@@ -109,14 +109,14 @@ int slot_fep_mbsfn(PHY_VARS_UE *ue,
#endif
for (aa=0; aa<frame_parms->nb_antennas_rx; aa++) {
memset(&common_vars->rxdataF[aa][frame_parms->ofdm_symbol_size*l],0,frame_parms->ofdm_symbol_size*sizeof(int));
memset(&common_vars->common_vars_rx_data_per_thread[subframe&0x1].rxdataF[aa][frame_parms->ofdm_symbol_size*l],0,frame_parms->ofdm_symbol_size*sizeof(int));
if (l==0) {
start_meas(&ue->rx_dft_stats);
dft((int16_t *)&common_vars->rxdata[aa][(sample_offset +
nb_prefix_samples0 +
subframe_offset -
SOFFSET) % frame_length_samples],
(int16_t *)&common_vars->rxdataF[aa][frame_parms->ofdm_symbol_size*l],1);
(int16_t *)&common_vars->common_vars_rx_data_per_thread[subframe&0x1].rxdataF[aa][frame_parms->ofdm_symbol_size*l],1);
stop_meas(&ue->rx_dft_stats);
} else {
if ((sample_offset +
......@@ -134,7 +134,7 @@ int slot_fep_mbsfn(PHY_VARS_UE *ue,
(frame_parms->ofdm_symbol_size+nb_prefix_samples)*(l-1) +
subframe_offset-
SOFFSET) % frame_length_samples],
(int16_t *)&common_vars->rxdataF[aa][frame_parms->ofdm_symbol_size*l],1);
(int16_t *)&common_vars->common_vars_rx_data_per_thread[subframe&0x1].rxdataF[aa][frame_parms->ofdm_symbol_size*l],1);
stop_meas(&ue->rx_dft_stats);
}
}
......
openair1/PHY/TOOLS/lte_phy_scope.c
View file @ 0dd076a3
......@@ -559,15 +559,15 @@ void phy_scope_UE(FD_lte_phy_scope_ue *form,
bit_pdcch = (float*) calloc(12*frame_parms->N_RB_DL*num_pdcch_symbols*2,sizeof(float));
rxsig_t = (int16_t**) phy_vars_ue->common_vars.rxdata;
chest_t = (int16_t**) phy_vars_ue->common_vars.dl_ch_estimates_time[eNB_id];
chest_f = (int16_t**) phy_vars_ue->common_vars.dl_ch_estimates[eNB_id];
chest_t = (int16_t**) phy_vars_ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].dl_ch_estimates_time[eNB_id];
chest_f = (int16_t**) phy_vars_ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].dl_ch_estimates[eNB_id];
pbch_llr = (int8_t*) phy_vars_ue->pbch_vars[eNB_id]->llr;
pbch_comp = (int16_t*) phy_vars_ue->pbch_vars[eNB_id]->rxdataF_comp[0];
pdcch_llr = (int8_t*) phy_vars_ue->pdcch_vars[eNB_id]->llr;
pdcch_comp = (int16_t*) phy_vars_ue->pdcch_vars[eNB_id]->rxdataF_comp[0];
pdsch_llr = (int16_t*) phy_vars_ue->pdsch_vars[eNB_id]->llr[0]; // stream 0
pdsch_llr = (int16_t*) phy_vars_ue->pdsch_vars[subframe&0x1][eNB_id]->llr[0]; // stream 0
// pdsch_llr = (int16_t*) phy_vars_ue->lte_ue_pdsch_vars_SI[eNB_id]->llr[0]; // stream 0
pdsch_comp = (int16_t*) phy_vars_ue->pdsch_vars[eNB_id]->rxdataF_comp0[0];
pdsch_comp = (int16_t*) phy_vars_ue->pdsch_vars[subframe&0x1][eNB_id]->rxdataF_comp0[0];
// Received signal in time domain of receive antenna 0
if (rxsig_t != NULL) {
......
openair1/PHY/defs.h
View file @ 0dd076a3
......@@ -124,7 +124,6 @@ static inline void* malloc16_clear( size_t size )
#include "PHY/TOOLS/defs.h"
#include "platform_types.h"
//#define OPENAIR_LTE
#ifdef OPENAIR_LTE
#include "PHY/LTE_TRANSPORT/defs.h"
......@@ -702,7 +701,7 @@ typedef struct {
LTE_DL_FRAME_PARMS frame_parms_before_ho;
LTE_UE_COMMON common_vars;
LTE_UE_PDSCH *pdsch_vars[NUMBER_OF_CONNECTED_eNB_MAX+1];
LTE_UE_PDSCH *pdsch_vars[2][NUMBER_OF_CONNECTED_eNB_MAX+1];
LTE_UE_PDSCH_FLP *pdsch_vars_flp[NUMBER_OF_CONNECTED_eNB_MAX+1];
LTE_UE_PDSCH *pdsch_vars_SI[NUMBER_OF_CONNECTED_eNB_MAX+1];
LTE_UE_PDSCH *pdsch_vars_ra[NUMBER_OF_CONNECTED_eNB_MAX+1];
......
openair1/PHY/impl_defs_lte.h
View file @ 0dd076a3
......@@ -784,6 +784,26 @@ typedef struct {
#endif
} LTE_eNB_PUSCH;
typedef struct {
/// \brief Holds the received data in the frequency domain.
/// - first index: rx antenna [0..nb_antennas_rx[
/// - second index: symbol [0..28*ofdm_symbol_size[
int32_t **rxdataF;
/// \brief Hold the channel estimates in frequency domain.
/// - first index: eNB id [0..6] (hard coded)
/// - second index: ? [0..7] (hard coded) FIXME! accessed via \c nb_antennas_rx
/// - third index: samples? [0..symbols_per_tti*(ofdm_symbol_size+LTE_CE_FILTER_LENGTH)[
int32_t **dl_ch_estimates[7];
/// \brief Hold the channel estimates in time domain (used for tracking).
/// - first index: eNB id [0..6] (hard coded)
/// - second index: ? [0..7] (hard coded) FIXME! accessed via \c nb_antennas_rx
/// - third index: samples? [0..2*ofdm_symbol_size[
int32_t **dl_ch_estimates_time[7];
}LTE_UE_COMMON_PER_THREAD;
typedef struct {
/// \brief Holds the transmit data in time domain.
/// For IFFT_FPGA this points to the same memory as PHY_vars->tx_vars[a].TX_DMA_BUFFER.
......@@ -795,29 +815,15 @@ typedef struct {
/// - first index: tx antenna [0..nb_antennas_tx[
/// - second index: sample [0..FRAME_LENGTH_COMPLEX_SAMPLES_NO_PREFIX[
int32_t **txdataF;
/// \brief Holds the received data in time domain.
/// Should point to the same memory as PHY_vars->rx_vars[a].RX_DMA_BUFFER.
/// - first index: rx antenna [0..nb_antennas_rx[
/// - second index: sample [0..FRAME_LENGTH_COMPLEX_SAMPLES+2048[
int32_t **rxdata;
/// \brief Holds the received data in the frequency domain.
/// - first index: rx antenna [0..nb_antennas_rx[
/// - second index: symbol [0..28*ofdm_symbol_size[
int32_t **rxdataF;
/// \brief ?.
/// - first index: rx antenna [0..nb_antennas_rx[
/// - second index: ? [0..20*ofdm_symbol_size*symbols_per_tti[
int32_t **rxdataF2;
/// \brief Hold the channel estimates in frequency domain.
/// - first index: eNB id [0..6] (hard coded)
/// - second index: ? [0..7] (hard coded) FIXME! accessed via \c nb_antennas_rx
/// - third index: samples? [0..symbols_per_tti*(ofdm_symbol_size+LTE_CE_FILTER_LENGTH)[
int32_t **dl_ch_estimates[7];
/// \brief Hold the channel estimates in time domain (used for tracking).
/// - first index: eNB id [0..6] (hard coded)
/// - second index: ? [0..7] (hard coded) FIXME! accessed via \c nb_antennas_rx
/// - third index: samples? [0..2*ofdm_symbol_size[
int32_t **dl_ch_estimates_time[7];
LTE_UE_COMMON_PER_THREAD common_vars_rx_data_per_thread[2];
/// holds output of the sync correlator
int32_t *sync_corr;
/// estimated frequency offset (in radians) for all subcarriers
......
openair1/SCHED/defs.h
View file @ 0dd076a3
......@@ -509,7 +509,7 @@ int get_ue_active_harq_pid(uint8_t Mod_id,uint8_t CC_id,uint16_t rnti,int frame,
void dump_dlsch(PHY_VARS_UE *phy_vars_ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,uint8_t subframe,uint8_t harq_pid);
void dump_dlsch_SI(PHY_VARS_UE *phy_vars_ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,uint8_t subframe);
void dump_dlsch_ra(PHY_VARS_UE *phy_vars_ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,uint8_t subframe);
void dump_dlsch2(PHY_VARS_UE *phy_vars_ue,uint8_t eNB_id,uint16_t coded_bits_per_codeword,int round);
void dump_dlsch2(PHY_VARS_UE *phy_vars_ue,uint8_t eNB_id,uint8_t subframe, uint16_t coded_bits_per_codeword,int round);
/*@}*/
......
openair1/SCHED/phy_procedures_lte_ue.c
View file @ 0dd076a3
This diff is collapsed.
targets/RT/USER/lte-ue.c
View file @ 0dd076a3
......@@ -856,8 +856,8 @@ static void *UE_thread_rxn_txnp4(void *arg)
#define RX_OFF_MAX 10
#define RX_OFF_MIN 5
#define RX_OFF_MAX 23
#define RX_OFF_MIN 0
#define RX_OFF_MID ((RX_OFF_MAX+RX_OFF_MIN)/2)
/*!
......@@ -1033,6 +1033,7 @@ void *UE_thread(void *arg) {
return &UE_thread_retval;
}
}
LOG_D(PHY,"Set rx_offset to 0 \n");
UE->rx_offset=0;
UE->proc.proc_rxtx[0].frame_rx++;
UE->proc.proc_rxtx[1].frame_rx++;
......@@ -1079,6 +1080,8 @@ void *UE_thread(void *arg) {
rxp,
UE->frame_parms.samples_per_tti,
UE->frame_parms.nb_antennas_rx);
LOG_D(PHY,"grab signal for subframe %d offset %d Nbsamples %d \n", sf, UE->frame_parms.ofdm_symbol_size+UE->frame_parms.nb_prefix_samples0+(sf*UE->frame_parms.samples_per_tti),
UE->frame_parms.samples_per_tti);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_READ, 0 );
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_UE0_TRX_READ_NS, rxs );
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_UE0_TRX_READ_NS_MISSING, UE->frame_parms.samples_per_tti - rxs);
......@@ -1119,6 +1122,9 @@ void *UE_thread(void *arg) {
rxp,
UE->frame_parms.samples_per_tti-UE->frame_parms.ofdm_symbol_size-UE->frame_parms.nb_prefix_samples0,
UE->frame_parms.nb_antennas_rx);
LOG_D(PHY,"grab signal for subframe %d offset %d Nbsamples %d \n", sf, UE->frame_parms.ofdm_symbol_size+UE->frame_parms.nb_prefix_samples0+(sf*UE->frame_parms.samples_per_tti),
UE->frame_parms.samples_per_tti-UE->frame_parms.ofdm_symbol_size-UE->frame_parms.nb_prefix_samples0);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_READ_SF9, 0 );
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_UE0_TRX_READ_NS, rxs );
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_UE0_TRX_READ_NS_MISSING, (UE->frame_parms.samples_per_tti-UE->frame_parms.ofdm_symbol_size-UE->frame_parms.nb_prefix_samples0) - rxs);
......@@ -1182,7 +1188,7 @@ void *UE_thread(void *arg) {
return &UE_thread_retval;
}
UE->rx_offset_diff = rx_off_diff;
LOG_E(PHY,"SET rx_off_diff to %d\n",UE->rx_offset_diff);
LOG_D(PHY,"SET rx_off_diff to %d\n",UE->rx_offset_diff);
rx_off_diff = 0;
}
}
......@@ -1259,18 +1265,17 @@ void *UE_thread(void *arg) {
(UE->rx_offset > 0) &&
(rx_correction_timer == 0)) {
rx_off_diff = -1 ;
LOG_I(PHY,"AbsSubframe %d.%d UE->rx_offset %d > %d, diff %d\n",proc->frame_rx,proc->subframe_rx,UE->rx_offset,0,rx_off_diff);
LOG_D(PHY,"AbsSubframe %d.%d UE->rx_offset %d > %d, diff %d\n",proc->frame_rx,proc->subframe_rx,UE->rx_offset,0,rx_off_diff);
rx_correction_timer = 5;
} else if ((UE->rx_offset>(5*UE->frame_parms.samples_per_tti)) &&
(UE->rx_offset < ((10*UE->frame_parms.samples_per_tti))) &&
(rx_correction_timer == 0)) { // moving to the left so drop rx_off_diff samples
rx_off_diff = 1;
LOG_I(PHY,"AbsSubframe %d.%d UE->rx_offset %d < %d, diff %d\n",proc->frame_rx,proc->subframe_rx,UE->rx_offset,10*UE->frame_parms.samples_per_tti,rx_off_diff);
LOG_D(PHY,"AbsSubframe %d.%d UE->rx_offset %d < %d, diff %d\n",proc->frame_rx,proc->subframe_rx,UE->rx_offset,10*UE->frame_parms.samples_per_tti,rx_off_diff);
rx_correction_timer = 5;
}
//rx_off_diff = 0;
if (rx_correction_timer>0)
rx_correction_timer--;
} // start_rx_stream==1
......
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