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Commit 06f2889b authored by Cédric Roux's avatar Cédric Roux
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Merge remote-tracking branch 'origin/UE_TDD_Fix' into develop

parents 9107d283 5904734d
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openair1/PHY/LTE_ESTIMATION/lte_dl_channel_estimation.c
View file @ 06f2889b
......@@ -23,6 +23,7 @@
#include <string.h>
#endif
#include "defs.h"
#include "SCHED/defs.h"
#include "PHY/defs.h"
#include "filt96_32.h"
#include "T.h"
......@@ -637,105 +638,129 @@ int lte_dl_channel_estimation(PHY_VARS_UE *ue,
32767-ue->ch_est_alpha,
dl_ch-(ue->frame_parms.ofdm_symbol_size<<1),0,ue->frame_parms.ofdm_symbol_size);
} else { // high_speed_flag == 1
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)];
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)];
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)];
//LOG_I(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,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];
//LOG_I(PHY,"Interpolate s0-->s4 to get s1 s2 and s3 Ns %d \n", Ns);
if (ue->frame_parms.Ncp==0) {// pilot spacing 4 symbols (1/4,1/2,3/4 combination)
uint8_t previous_subframe;
if(Ns>>1 == 0)
previous_subframe = 9;
else
previous_subframe = ((Ns>>1) - 1 )%9;
if((subframe_select(&ue->frame_parms,previous_subframe) == SF_UL))
{
multadd_complex_vector_real_scalar(dl_ch_prev,328,dl_ch_prev+(2*(ue->frame_parms.ofdm_symbol_size)),1,ue->frame_parms.ofdm_symbol_size);
multadd_complex_vector_real_scalar(dl_ch,32440,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,328,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,32440,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,8192,dl_ch_prev+(3*2*(ue->frame_parms.ofdm_symbol_size)),1,ue->frame_parms.ofdm_symbol_size);
multadd_complex_vector_real_scalar(dl_ch,32440,dl_ch_prev+(3*2*(ue->frame_parms.ofdm_symbol_size)),0,ue->frame_parms.ofdm_symbol_size);
}
else
{
multadd_complex_vector_real_scalar(dl_ch_prev,24576,dl_ch_prev+(2*(ue->frame_parms.ofdm_symbol_size)),1,ue->frame_parms.ofdm_symbol_size);
multadd_complex_vector_real_scalar(dl_ch,8192,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,16384,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,16384,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,8192,dl_ch_prev+(3*2*(ue->frame_parms.ofdm_symbol_size)),1,ue->frame_parms.ofdm_symbol_size);
multadd_complex_vector_real_scalar(dl_ch,24576,dl_ch_prev+(3*2*(ue->frame_parms.ofdm_symbol_size)),0,ue->frame_parms.ofdm_symbol_size);
}
} else {
multadd_complex_vector_real_scalar(dl_ch_prev,328,dl_ch_prev+(2*(ue->frame_parms.ofdm_symbol_size)),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)),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),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)
} else if (symbol == pilot2) {
dl_ch_prev = (int16_t *)&dl_ch_estimates[(p<<1)+aarx][pilot1*(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);
}
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];
if (ue->frame_parms.Ncp==0) {// pilot spacing 4 symbols (1/4,1/2,3/4 combination)
multadd_complex_vector_real_scalar(dl_ch_prev,24576,dl_ch_prev+(2*(ue->frame_parms.ofdm_symbol_size)),1,ue->frame_parms.ofdm_symbol_size);
multadd_complex_vector_real_scalar(dl_ch,8192,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,16384,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,16384,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,8192,dl_ch_prev+(3*2*(ue->frame_parms.ofdm_symbol_size)),1,ue->frame_parms.ofdm_symbol_size);
multadd_complex_vector_real_scalar(dl_ch,24576,dl_ch_prev+(3*2*(ue->frame_parms.ofdm_symbol_size)),0,ue->frame_parms.ofdm_symbol_size);
} else {
multadd_complex_vector_real_scalar(dl_ch_prev,10923,dl_ch_prev+(2*(ue->frame_parms.ofdm_symbol_size)),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)),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),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)
} else if (symbol == pilot2) {
dl_ch_prev = (int16_t *)&dl_ch_estimates[(p<<1)+aarx][pilot1*(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);
} else { // symbol == pilot3
// printf("Interpolating 0->%d\n",4-ue->frame_parms.Ncp);
dl_ch_prev = (int16_t *)&dl_ch_estimates[(p<<1)+aarx][pilot2*(ue->frame_parms.ofdm_symbol_size)];
if (ue->frame_parms.Ncp==0) {// pilot spacing 4 symbols (1/4,1/2,3/4 combination)
multadd_complex_vector_real_scalar(dl_ch_prev,24576,dl_ch_prev+(2*(ue->frame_parms.ofdm_symbol_size)),1,ue->frame_parms.ofdm_symbol_size);
multadd_complex_vector_real_scalar(dl_ch,8192,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,16384,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,16384,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,8192,dl_ch_prev+(3*2*(ue->frame_parms.ofdm_symbol_size)),1,ue->frame_parms.ofdm_symbol_size);
multadd_complex_vector_real_scalar(dl_ch,24576,dl_ch_prev+(3*2*(ue->frame_parms.ofdm_symbol_size)),0,ue->frame_parms.ofdm_symbol_size);
} else {
multadd_complex_vector_real_scalar(dl_ch_prev,10923,dl_ch_prev+(2*(ue->frame_parms.ofdm_symbol_size)),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)),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),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((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);
} else { // symbol == pilot3
// printf("Interpolating 0->%d\n",4-ue->frame_parms.Ncp);
dl_ch_prev = (int16_t *)&dl_ch_estimates[(p<<1)+aarx][pilot2*(ue->frame_parms.ofdm_symbol_size)];
tmp_mult = tmp_mult >> 15;
dlChEst_ofdm12[i] = tmp_mult;
}
if (ue->frame_parms.Ncp==0) {// pilot spacing 4 symbols (1/4,1/2,3/4 combination)
multadd_complex_vector_real_scalar(dl_ch_prev,24576,dl_ch_prev+(2*(ue->frame_parms.ofdm_symbol_size)),1,ue->frame_parms.ofdm_symbol_size);
multadd_complex_vector_real_scalar(dl_ch,8192,dl_ch_prev+(2*(ue->frame_parms.ofdm_symbol_size)),0,ue->frame_parms.ofdm_symbol_size);
// 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);
multadd_complex_vector_real_scalar(dl_ch_prev,16384,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,16384,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,8192,dl_ch_prev+(3*2*(ue->frame_parms.ofdm_symbol_size)),1,ue->frame_parms.ofdm_symbol_size);
multadd_complex_vector_real_scalar(dl_ch,24576,dl_ch_prev+(3*2*(ue->frame_parms.ofdm_symbol_size)),0,ue->frame_parms.ofdm_symbol_size);
} else {
multadd_complex_vector_real_scalar(dl_ch_prev,10923,dl_ch_prev+(2*(ue->frame_parms.ofdm_symbol_size)),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)),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),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)
tmp_mult = tmp_mult >> 15;
dlChEst_ofdm13[i] = tmp_mult;
if((ue->rx_offset_diff !=0) && ((Ns>>1) == 9))
{
//LOG_I(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;
}
}
}
}
}
}
}
}
......
openair1/PHY/LTE_ESTIMATION/lte_ue_measurements.c
View file @ 06f2889b
......@@ -171,20 +171,25 @@ void ue_rrc_measurements(PHY_VARS_UE *ue,
{
uint8_t subframe = slot>>1;
int aarx,rb,n;
int aarx,rb;
uint8_t pss_symb;
uint8_t sss_symb;
int32_t **rxdataF;
int16_t *rxF,*rxF_pss,*rxF_sss;
uint16_t Nid_cell = ue->frame_parms.Nid_cell;
uint8_t eNB_offset,nu,l,nushift,k;
uint16_t off;
uint8_t isPss; // indicate if this is a slot for extracting PSS
uint8_t isSss; // indicate if this is a slot for extracting SSS
int32_t pss_ext[4][72]; // contain the extracted 6*12 REs for mapping the PSS
int32_t sss_ext[4][72]; // contain the extracted 6*12 REs for mapping the SSS
int32_t (*xss_ext)[72]; // point to either pss_ext or sss_ext for common calculation
int16_t *re,*im; // real and imag part of each 32-bit xss_ext[][] value
//uint8_t isPss; // indicate if this is a slot for extracting PSS
//uint8_t isSss; // indicate if this is a slot for extracting SSS
//int32_t pss_ext[4][72]; // contain the extracted 6*12 REs for mapping the PSS
//int32_t sss_ext[4][72]; // contain the extracted 6*12 REs for mapping the SSS
//int32_t (*xss_ext)[72]; // point to either pss_ext or sss_ext for common calculation
//int16_t *re,*im; // real and imag part of each 32-bit xss_ext[][] value
//LOG_I(PHY,"UE RRC MEAS Start Subframe %d Frame Type %d slot %d \n",subframe,ue->frame_parms.frame_type,slot);
for (eNB_offset = 0; eNB_offset<1+ue->measurements.n_adj_cells; eNB_offset++) {
if (eNB_offset==0) {
......@@ -192,27 +197,28 @@ void ue_rrc_measurements(PHY_VARS_UE *ue,
//ue->measurements.n0_power_tot = 0;
if (abstraction_flag == 0) {
if ((ue->frame_parms.frame_type == FDD) &&
((subframe == 0) || (subframe == 5))) { // FDD PSS/SSS, compute noise in DTX REs
if ( ((ue->frame_parms.frame_type == FDD) && ((subframe == 0) || (subframe == 5))) ||
((ue->frame_parms.frame_type == TDD) && ((subframe == 1) || (subframe == 6)))
)
{ // FDD PSS/SSS, compute noise in DTX REs
if (ue->frame_parms.Ncp==NORMAL) {
for (aarx=0; aarx<ue->frame_parms.nb_antennas_rx; aarx++) {
if(ue->frame_parms.frame_type == FDD)
{
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)];
}
else
{
rxF_sss = (int16_t *)&ue->common_vars.common_vars_rx_data_per_thread[(subframe+1)&0x1].rxdataF[aarx][(13*ue->frame_parms.ofdm_symbol_size)];
rxF_pss = (int16_t *)&ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].rxdataF[aarx][(2*ue->frame_parms.ofdm_symbol_size)];
}
//-ve spectrum from SSS
// printf("slot %d: SSS DTX: %d,%d, non-DTX %d,%d\n",slot,rxF_pss[-72],rxF_pss[-71],rxF_pss[-36],rxF_pss[-35]);
// ue->measurements.n0_power[aarx] = (((int32_t)rxF_pss[-72]*rxF_pss[-72])+((int32_t)rxF_pss[-71]*rxF_pss[-71]));
// printf("sssn36 %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]));
ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[-68]*rxF_pss[-68])+((int32_t)rxF_pss[-67]*rxF_pss[-67]));
ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[-66]*rxF_pss[-66])+((int32_t)rxF_pss[-65]*rxF_pss[-65]));
// ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[-64]*rxF_pss[-64])+((int32_t)rxF_pss[-63]*rxF_pss[-63]));
// printf("sssm32 %d\n",ue->measurements.n0_power[aarx]);
//+ve spectrum from SSS
ue->measurements.n0_power[aarx] += (((int32_t)rxF_sss[2+70]*rxF_sss[2+70])+((int32_t)rxF_sss[2+69]*rxF_sss[2+69]));
ue->measurements.n0_power[aarx] += (((int32_t)rxF_sss[2+70]*rxF_sss[2+70])+((int32_t)rxF_sss[2+69]*rxF_sss[2+69]));
ue->measurements.n0_power[aarx] += (((int32_t)rxF_sss[2+68]*rxF_sss[2+68])+((int32_t)rxF_sss[2+67]*rxF_sss[2+67]));
ue->measurements.n0_power[aarx] += (((int32_t)rxF_sss[2+66]*rxF_sss[2+66])+((int32_t)rxF_sss[2+65]*rxF_sss[2+65]));
// ue->measurements.n0_power[aarx] += (((int32_t)rxF_sss[2+64]*rxF_sss[2+64])+((int32_t)rxF_sss[2+63]*rxF_sss[2+63]));
......@@ -223,18 +229,34 @@ 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.common_vars_rx_data_per_thread[subframe&0x1].rxdataF[aarx][(7*ue->frame_parms.ofdm_symbol_size)];
if(ue->frame_parms.frame_type == FDD)
{
rxF_sss = (int16_t *)&ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].rxdataF[aarx][(6*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)];
}
else
{
rxF_sss = (int16_t *)&ue->common_vars.common_vars_rx_data_per_thread[(subframe+1)&0x1].rxdataF[aarx][(14*ue->frame_parms.ofdm_symbol_size)];
rxF_pss = (int16_t *)&ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].rxdataF[aarx][(3*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]));
ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[-68]*rxF_pss[-68])+((int32_t)rxF_pss[-67]*rxF_pss[-67]));
ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[-66]*rxF_pss[-66])+((int32_t)rxF_pss[-65]*rxF_pss[-65]));
ue->measurements.n0_power[aarx] = (((int32_t)rxF_sss[-70]*rxF_sss[-70])+((int32_t)rxF_sss[-69]*rxF_sss[-69]));
ue->measurements.n0_power[aarx] += (((int32_t)rxF_sss[-68]*rxF_sss[-68])+((int32_t)rxF_sss[-67]*rxF_sss[-67]));
ue->measurements.n0_power[aarx] += (((int32_t)rxF_sss[-66]*rxF_sss[-66])+((int32_t)rxF_sss[-65]*rxF_sss[-65]));
// ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[-64]*rxF_pss[-64])+((int32_t)rxF_pss[-63]*rxF_pss[-63]));
// printf("pssm32 %d\n",ue->measurements.n0_power[aarx]);
ue->measurements.n0_power_dB[aarx] = (unsigned short) dB_fixed(ue->measurements.n0_power[aarx]/12);
ue->measurements.n0_power_tot /*+=*/ = ue->measurements.n0_power[aarx];
}
//LOG_I(PHY,"Subframe %d RRC UE MEAS Noise Level %d \n", subframe, ue->measurements.n0_power_tot);
ue->measurements.n0_power_tot_dB = (unsigned short) dB_fixed(ue->measurements.n0_power_tot/(12*aarx));
ue->measurements.n0_power_tot_dBm = ue->measurements.n0_power_tot_dB - ue->rx_total_gain_dB - dB_fixed(ue->frame_parms.ofdm_symbol_size);
} else {
......@@ -242,87 +264,61 @@ void ue_rrc_measurements(PHY_VARS_UE *ue,
}
}
else if ((ue->frame_parms.frame_type == TDD) &&
((slot == 2) || (slot == 12) || (slot == 1) || (slot == 11))) { // TDD PSS/SSS, compute noise in DTX REs // 2016-09-29 wilson fix incorrect noise power calculation
((subframe == 1) || (subframe == 6))) { // TDD PSS/SSS, compute noise in DTX REs // 2016-09-29 wilson fix incorrect noise power calculation
#if 1 // fixing REs extraction in noise power calculation
// check if this slot has a PSS or SSS sequence
if ((slot == 2) || (slot == 12)) {
isPss = 1;
} else {
isPss = 0;
}
if ((slot == 1) || (slot == 11)) {
isSss = 1;
} else {
isSss = 0;
}
if (isPss) {
pss_only_extract(ue, pss_ext);
xss_ext = pss_ext;
}
if (isSss) {
sss_only_extract(ue, sss_ext);
xss_ext = sss_ext;
}
// calculate noise power
int num_tot=0; // number of REs totally used in calculating noise power
for (aarx=0; aarx<ue->frame_parms.nb_antennas_rx; aarx++) {
int num_per_rx=0; // number of REs used in caluclaing noise power for this RX antenna
ue->measurements.n0_power[aarx] = 0;
for (n=2; n<70; n++) { // skip the 2 REs next to PDSCH, i.e. n={0,1,70,71}
if (n==5) {n=67;}
re = (int16_t*)(&(xss_ext[aarx][n]));
im = re+1;
ue->measurements.n0_power[aarx] += (*re)*(*re) + (*im)*(*im);
num_per_rx++;
num_tot++;
}
ue->measurements.n0_power_dB[aarx] = (unsigned short) dB_fixed(ue->measurements.n0_power[aarx]/(num_per_rx));
ue->measurements.n0_power_tot /*+=*/ = ue->measurements.n0_power[aarx];
}
ue->measurements.n0_power_tot_dB = (unsigned short) dB_fixed(ue->measurements.n0_power_tot/(num_tot));
ue->measurements.n0_power_tot_dBm = ue->measurements.n0_power_tot_dB - ue->rx_total_gain_dB - dB_fixed(ue->frame_parms.ofdm_symbol_size);
#else
pss_symb = 2;
sss_symb = ue->frame_parms.symbols_per_tti-1;
if (ue->frame_parms.Ncp==NORMAL) {
for (aarx=0; aarx<ue->frame_parms.nb_antennas_rx; aarx++) {
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.common_vars_rx_data_per_thread[subframe&0x1].rxdataF[aarx][(7*ue->frame_parms.ofdm_symbol_size)];
rxdataF = ue->common_vars.common_vars_rx_data_per_thread[(subframe&0x1)].rxdataF;
rxF_pss = (int16_t *) &rxdataF[aarx][((pss_symb*(ue->frame_parms.ofdm_symbol_size)))];
rxdataF = ue->common_vars.common_vars_rx_data_per_thread[(subframe+1)&0x1].rxdataF;
rxF_sss = (int16_t *) &rxdataF[aarx][((sss_symb*(ue->frame_parms.ofdm_symbol_size)))];
//-ve spectrum from SSS
// printf("slot %d: SSS DTX: %d,%d, non-DTX %d,%d\n",slot,rxF_pss[-72],rxF_pss[-71],rxF_pss[-36],rxF_pss[-35]);
// ue->measurements.n0_power[aarx] = (((int32_t)rxF_pss[-72]*rxF_pss[-72])+((int32_t)rxF_pss[-71]*rxF_pss[-71]));
// printf("sssn36 %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]));
ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[-68]*rxF_pss[-68])+((int32_t)rxF_pss[-67]*rxF_pss[-67]));
ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[-66]*rxF_pss[-66])+((int32_t)rxF_pss[-65]*rxF_pss[-65]));
// ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[-64]*rxF_pss[-64])+((int32_t)rxF_pss[-63]*rxF_pss[-63]));
// printf("sssm32 %d\n",ue->measurements.n0_power[aarx]);
//+ve spectrum from SSS
ue->measurements.n0_power[aarx] += (((int32_t)rxF_sss[2+70]*rxF_sss[2+70])+((int32_t)rxF_sss[2+69]*rxF_sss[2+69]));
ue->measurements.n0_power[aarx] += (((int32_t)rxF_sss[2+68]*rxF_sss[2+68])+((int32_t)rxF_sss[2+67]*rxF_sss[2+67]));
ue->measurements.n0_power[aarx] += (((int32_t)rxF_sss[2+66]*rxF_sss[2+66])+((int32_t)rxF_sss[2+65]*rxF_sss[2+65]));
// ue->measurements.n0_power[aarx] += (((int32_t)rxF_sss[2+64]*rxF_sss[2+64])+((int32_t)rxF_sss[2+63]*rxF_sss[2+63]));
// printf("sssp32 %d\n",ue->measurements.n0_power[aarx]);
//+ve spectrum from PSS
ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[2+70]*rxF_pss[2+70])+((int32_t)rxF_pss[2+69]*rxF_pss[2+69]));
ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[2+68]*rxF_pss[2+68])+((int32_t)rxF_pss[2+67]*rxF_pss[2+67]));
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.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]));
ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[-68]*rxF_pss[-68])+((int32_t)rxF_pss[-67]*rxF_pss[-67]));
ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[-66]*rxF_pss[-66])+((int32_t)rxF_pss[-65]*rxF_pss[-65]));
// ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[-64]*rxF_pss[-64])+((int32_t)rxF_pss[-63]*rxF_pss[-63]));
// printf("pssm32 %d\n",ue->measurements.n0_power[aarx]);
ue->measurements.n0_power_dB[aarx] = (unsigned short) dB_fixed(ue->measurements.n0_power[aarx]/12);
ue->measurements.n0_power_tot /*+=*/ = ue->measurements.n0_power[aarx];
}
//-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]));
ue->measurements.n0_power[aarx] = (((int32_t)rxF_pss[-70]*rxF_pss[-70])+((int32_t)rxF_pss[-69]*rxF_pss[-69]));
ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[-68]*rxF_pss[-68])+((int32_t)rxF_pss[-67]*rxF_pss[-67]));
ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[-66]*rxF_pss[-66])+((int32_t)rxF_pss[-65]*rxF_pss[-65]));
// ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[-64]*rxF_pss[-64])+((int32_t)rxF_pss[-63]*rxF_pss[-63]));
//+ve spectrum from SSS
// ue->measurements.n0_power[aarx] += (((int32_t)rxF_sss[2+72]*rxF_sss[2+72])+((int32_t)rxF_sss[2+71]*rxF_sss[2+71]));
ue->measurements.n0_power[aarx] = (((int32_t)rxF_sss[2+70]*rxF_sss[2+70])+((int32_t)rxF_sss[2+69]*rxF_sss[2+69]));
ue->measurements.n0_power[aarx] += (((int32_t)rxF_sss[2+68]*rxF_sss[2+68])+((int32_t)rxF_sss[2+67]*rxF_sss[2+67]));
ue->measurements.n0_power[aarx] += (((int32_t)rxF_sss[2+66]*rxF_sss[2+66])+((int32_t)rxF_sss[2+65]*rxF_sss[2+65]));
// ue->measurements.n0_power[aarx] += (((int32_t)rxF_sss[2+64]*rxF_sss[2+64])+((int32_t)rxF_sss[2+63]*rxF_sss[2+63]));
ue->measurements.n0_power_tot_dB = (unsigned short) dB_fixed(ue->measurements.n0_power_tot/(12*aarx));
ue->measurements.n0_power_tot_dBm = ue->measurements.n0_power_tot_dB - ue->rx_total_gain_dB - dB_fixed(ue->frame_parms.ofdm_symbol_size);
ue->measurements.n0_power_dB[aarx] = (unsigned short) dB_fixed(ue->measurements.n0_power[aarx]/(6));
ue->measurements.n0_power_tot += ue->measurements.n0_power[aarx];
}
ue->measurements.n0_power_tot_dB = (unsigned short) dB_fixed(ue->measurements.n0_power_tot/(6*aarx));
ue->measurements.n0_power_tot_dBm = ue->measurements.n0_power_tot_dB - ue->rx_total_gain_dB - dB_fixed(ue->frame_parms.ofdm_symbol_size);
//LOG_I(PHY,"Subframe %d RRC UE MEAS Noise Level %d \n", subframe, ue->measurements.n0_power_tot);
}
#endif
}
}
}
......@@ -550,6 +546,8 @@ void lte_ue_measurements(PHY_VARS_UE *ue,
(((k1*((long long int)(ue->measurements.rx_power_avg[eNB_id]))) +
(k2*((long long int)(ue->measurements.rx_power_tot[eNB_id]))))>>10);
//LOG_I(PHY,"Noise Power Computation: k1 %d k2 %d n0 avg %d n0 tot %d\n", k1, k2, ue->measurements.n0_power_avg,
// ue->measurements.n0_power_tot);
ue->measurements.n0_power_avg = (int)
(((k1*((long long int) (ue->measurements.n0_power_avg))) +
(k2*((long long int) (ue->measurements.n0_power_tot))))>>10);
......@@ -567,8 +565,9 @@ void lte_ue_measurements(PHY_VARS_UE *ue,
ue->measurements.wideband_cqi_avg[eNB_id] = dB_fixed2(ue->measurements.rx_power_avg[eNB_id],ue->measurements.n0_power_avg);
ue->measurements.rx_rssi_dBm[eNB_id] = ue->measurements.rx_power_avg_dB[eNB_id] - ue->rx_total_gain_dB;
#ifdef DEBUG_MEAS_UE
LOG_D(PHY,"[eNB %d] RSSI %d dBm, RSSI (digital) %d dB, WBandCQI %d dB, rxPwrAvg %d, n0PwrAvg %d\n",
LOG_I(PHY,"[eNB %d] Subframe %d, RSSI %d dBm, RSSI (digital) %d dB, WBandCQI %d dB, rxPwrAvg %d, n0PwrAvg %d\n",
eNB_id,
subframe,
ue->measurements.rx_rssi_dBm[eNB_id],
ue->measurements.rx_power_avg_dB[eNB_id],
ue->measurements.wideband_cqi_avg[eNB_id],
......
openair1/PHY/LTE_TRANSPORT/dci_tools.c
View file @ 06f2889b
......@@ -8013,13 +8013,20 @@ int generate_ue_ulsch_params_from_dci(void *dci_pdu,
ulsch->bundling = 1-AckNackFBMode;
if (frame_parms->frame_type == FDD) {
int dl_subframe = (subframe<4) ? (subframe+6) : (subframe-4);
//int dl_subframe = (subframe<4) ? (subframe+6) : (subframe-4);
int dl_subframe = subframe;
if (ue->dlsch[dl_subframe&0x1][eNB_id][0]->harq_ack[dl_subframe].send_harq_status>0) { // we have downlink transmission
ulsch->harq_processes[harq_pid]->O_ACK = 1;
} else {
ulsch->harq_processes[harq_pid]->O_ACK = 0;
}
/*LOG_I(PHY,"DCI 0 Processing: dl_subframe %d send_harq_status Odd %d send_harq_status Even %d harq_pid %d O_ACK %d\n", dl_subframe,
ue->dlsch[0][eNB_id][0]->harq_ack[dl_subframe].send_harq_status,
ue->dlsch[1][eNB_id][0]->harq_ack[dl_subframe].send_harq_status,
harq_pid,
ulsch->harq_processes[harq_pid]->O_ACK);*/
} else {
if (ulsch->bundling)
ulsch->harq_processes[harq_pid]->O_ACK = (dai == 3)? 0 : 1;
......@@ -8031,10 +8038,16 @@ int generate_ue_ulsch_params_from_dci(void *dci_pdu,
dlsch[0]->harq_ack[subframe].vDAI_UL = dai+1;
LOG_D(PHY, "[PUSCH %d] Format0 DCI %s, CQI_req=%d, cshift=%d, TPC=%d, DAI=%d, vDAI_UL[sf#%d]=%d, NDI=%d, MCS=%d, RBalloc=%d, first_rb=%d, harq_pid=%d, nb_rb=%d, subframe_scheduling_flag=%d\n",
/*LOG_I(PHY, "[PUSCH %d] Format0 DCI %s, CQI_req=%d, cshift=%d, TPC=%d, DAI=%d, vDAI_UL[sf#%d]=%d, NDI=%d, MCS=%d, RBalloc=%d, first_rb=%d, harq_pid=%d, nb_rb=%d, subframe_scheduling_flag=%d"
" ulsch->bundling %d, O_ACK %d \n",
harq_pid,
(frame_parms->frame_type == TDD? "TDD" : "FDD"),
cqi_req, cshift, TPC, dai, subframe, dlsch[0]->harq_ack[subframe].vDAI_UL, ndi, mcs, rballoc, ulsch->harq_processes[harq_pid]->first_rb, harq_pid, ulsch->harq_processes[harq_pid]->nb_rb, ulsch->harq_processes[harq_pid]->subframe_scheduling_flag);
cqi_req, cshift, TPC, dai, subframe, dlsch[0]->harq_ack[subframe].vDAI_UL, ndi, mcs, rballoc,
ulsch->harq_processes[harq_pid]->first_rb, harq_pid, ulsch->harq_processes[harq_pid]->nb_rb,
ulsch->harq_processes[harq_pid]->subframe_scheduling_flag,
ulsch->bundling,
ulsch->harq_processes[harq_pid]->O_ACK);*/
ulsch->beta_offset_cqi_times8 = beta_cqi[ue->pusch_config_dedicated[eNB_id].betaOffset_CQI_Index];//18;
ulsch->beta_offset_ri_times8 = beta_ri[ue->pusch_config_dedicated[eNB_id].betaOffset_RI_Index];//10;
......
openair1/PHY/LTE_TRANSPORT/dlsch_decoding.c
View file @ 06f2889b
......@@ -461,11 +461,11 @@ uint32_t dlsch_decoding(PHY_VARS_UE *phy_vars_ue,
//#ifndef __AVX2__
#if 1
if (err_flag == 0) {
LOG_D(PHY, "turbo algo Kr=%d cb_cnt=%d C=%d nbRB=%d TBSInput=%d TBSHarq=%d TBSplus24=%d mcs=%d Qm=%d RIV=%d round=%d maxIter %d\n",
Kr,r,harq_process->C,harq_process->nb_rb,A,harq_process->TBS,