Skip to content

O
OpenXG UE
Commit 988595f8 authored by Florian Kaltenberger's avatar Florian Kaltenberger
Browse files
Options

commiting changes from svn branch SIC-receiver from revision 6836 to 7896... 

commiting changes from svn branch SIC-receiver from revision 6836 to 7896 (current svn head). See svn log for details.
parent e2747256
Expand all Hide whitespace changes
Inline Side-by-side
Showing with 4003 additions and 2480 deletions
openair1/PHY/INIT/lte_init.c
View file @ 988595f8
......@@ -882,33 +882,31 @@ void phy_init_lte_ue__PDSCH( LTE_UE_PDSCH* const pdsch, const LTE_DL_FRAME_PARMS
pdsch->pmi_ext = (uint8_t*)malloc16_clear( frame_parms->N_RB_DL );
pdsch->llr[0] = (int16_t*)malloc16_clear( (8*((3*8*6144)+12))*sizeof(int16_t) );
pdsch->llr128 = (int16_t**)malloc16_clear( sizeof(int16_t*) );
pdsch->llr128_2ndstream = (int16_t**)malloc16_clear( sizeof(int16_t*) );
// FIXME! no further allocation for (int16_t*)pdsch->llr128 !!! expect SIGSEGV
// FK, 11-3-2015: this is only as a temporary pointer, no memory is stored there
pdsch->rxdataF_ext = (int32_t**)malloc16_clear( 8*sizeof(int32_t*) );
pdsch->rxdataF_comp0 = (int32_t**)malloc16_clear( 8*sizeof(int32_t*) );
pdsch->rho = (int32_t**)malloc16_clear( frame_parms->nb_antennas_rx*sizeof(int32_t*) );
pdsch->dl_ch_estimates_ext = (int32_t**)malloc16_clear( 8*sizeof(int32_t*) );
pdsch->dl_ch_rho_ext = (int32_t**)malloc16_clear( 8*sizeof(int32_t*) );
pdsch->dl_ch_rho2_ext = (int32_t**)malloc16_clear( 8*sizeof(int32_t*) );
pdsch->dl_ch_mag0 = (int32_t**)malloc16_clear( 8*sizeof(int32_t*) );
pdsch->dl_ch_magb0 = (int32_t**)malloc16_clear( 8*sizeof(int32_t*) );
pdsch->dl_ch_mag1 = (int32_t**)malloc16_clear( 8*sizeof(int32_t*) );
pdsch->dl_ch_magb1 = (int32_t**)malloc16_clear( 8*sizeof(int32_t*) );
// the allocated memory size is fixed:
AssertFatal( frame_parms->nb_antennas_rx <= 2, "nb_antennas_rx > 2" );
for (int i=0; i<frame_parms->nb_antennas_rx; i++) {
pdsch->rho[i] = (int32_t*)malloc16_clear( sizeof(int32_t)*(frame_parms->N_RB_DL*12*7*2) );
for (int j=0; j<4; j++) { //frame_parms->nb_antennas_tx; j++)
const int idx = (j<<1)+i;
const size_t num = 7*2*frame_parms->N_RB_DL*12;
const size_t num = 7*2*frame_parms->N_RB_DL*12+4;
pdsch->rxdataF_ext[idx] = (int32_t*)malloc16_clear( sizeof(int32_t) * num );
pdsch->rxdataF_comp0[idx] = (int32_t*)malloc16_clear( sizeof(int32_t) * num );
pdsch->dl_ch_estimates_ext[idx] = (int32_t*)malloc16_clear( sizeof(int32_t) * num );
pdsch->dl_ch_rho_ext[idx] = (int32_t*)malloc16_clear( sizeof(int32_t) * num );
pdsch->dl_ch_rho2_ext[idx] = (int32_t*)malloc16_clear( sizeof(int32_t) * num );
pdsch->dl_ch_mag0[idx] = (int32_t*)malloc16_clear( sizeof(int32_t) * num );
pdsch->dl_ch_magb0[idx] = (int32_t*)malloc16_clear( sizeof(int32_t) * num );
pdsch->dl_ch_mag1[idx] = (int32_t*)malloc16_clear( sizeof(int32_t) * num );
pdsch->dl_ch_magb1[idx] = (int32_t*)malloc16_clear( sizeof(int32_t) * num );
}
}
}
......@@ -943,7 +941,7 @@ void phy_init_lte_ue__PDSCH_FLP( LTE_UE_PDSCH_FLP* const pdsch_flp, const LTE_DL
pdsch_flp->rho[i] = (double*)malloc16_clear( sizeof(double)*(frame_parms->N_RB_DL*12*7*2) );
for (int j=0; j<4; j++) { //frame_parms->nb_antennas_tx; j++)
const int idx = (j<<1)+i;
const size_t num = 7*2*frame_parms->N_RB_DL*12;
const size_t num = 7*2*frame_parms->N_RB_DL*12+4;
pdsch_flp->rxdataF_ext[idx] = (int32_t*)malloc16_clear( sizeof(int32_t) * num );
pdsch_flp->dl_ch_estimates_ext[idx] = (int32_t*)malloc16_clear( sizeof(int32_t) * num );
pdsch_flp->rxdataF_comp[idx] = (double*)malloc16_clear( sizeof(double) * num );
......@@ -970,7 +968,7 @@ int phy_init_lte_ue(PHY_VARS_UE *phy_vars_ue,
LTE_UE_PDCCH** const ue_pdcch_vars = phy_vars_ue->lte_ue_pdcch_vars;
LTE_UE_PRACH** const ue_prach_vars = phy_vars_ue->lte_ue_prach_vars;
int i,j,k;
int i,j,k,l;
int eNB_id;
msg("Initializing UE vars (abstraction %"PRIu8") for eNB TXant %"PRIu8", UE RXant %"PRIu8"\n",abstraction_flag,frame_parms->nb_antennas_tx,frame_parms->nb_antennas_rx);
......@@ -1064,25 +1062,42 @@ int phy_init_lte_ue(PHY_VARS_UE *phy_vars_ue,
ue_pbch_vars[eNB_id] = (LTE_UE_PBCH *)malloc16_clear(sizeof(LTE_UE_PBCH));
if (abstraction_flag == 0) {
// init basic (common) variables
phy_init_lte_ue__PDSCH( ue_pdsch_vars[eNB_id], frame_parms );
ue_pdsch_vars[eNB_id]->llr_shifts = (uint8_t*)malloc16_clear(7*2*frame_parms->N_RB_DL*12);
ue_pdsch_vars[eNB_id]->llr_shifts_p = ue_pdsch_vars[eNB_id]->llr_shifts;
ue_pdsch_vars[eNB_id]->dl_ch_mag1 = (int32_t**)malloc16_clear( 8*sizeof(int32_t*) );
ue_pdsch_vars[eNB_id]->dl_ch_magb1 = (int32_t**)malloc16_clear( 8*sizeof(int32_t*) );
ue_pdsch_vars[eNB_id]->llr[1] = (int16_t*)malloc16_clear( (8*((3*8*6144)+12))*sizeof(int16_t) );
// init variables only needed for standard PDSCH
ue_pdsch_vars[eNB_id]->llr_shifts = (uint8_t*)malloc16_clear(7*2*frame_parms->N_RB_DL*12);
ue_pdsch_vars[eNB_id]->llr_shifts_p = ue_pdsch_vars[eNB_id]->llr_shifts;
ue_pdsch_vars[eNB_id]->llr[1] = (int16_t*)malloc16_clear( (8*((3*8*6144)+12))*sizeof(int16_t) );
ue_pdsch_vars[eNB_id]->llr128_2ndstream = (int16_t**)malloc16_clear( sizeof(int16_t*) );
for (k=0;k<8;k++)
ue_pdsch_vars[eNB_id]->rxdataF_comp1[k] = (int32_t**)malloc16_clear( 8*sizeof(int32_t*) );
ue_pdsch_vars[eNB_id]->rho = (int32_t**)malloc16_clear( frame_parms->nb_antennas_rx*sizeof(int32_t*) );
for (int i=0; i<frame_parms->nb_antennas_rx; i++)
ue_pdsch_vars[eNB_id]->rho[i] = (int32_t*)malloc16_clear( sizeof(int32_t)*(frame_parms->N_RB_DL*12*7*2) );
ue_pdsch_vars[eNB_id]->dl_ch_rho2_ext = (int32_t**)malloc16_clear( 8*sizeof(int32_t*) );
for (i=0; i<frame_parms->nb_antennas_rx; i++)
for (j=0; j<4;j++) {
int idx = (j<<1)+i;
ue_pdsch_vars[eNB_id]->dl_ch_mag1[idx] = (int32_t*)malloc16_clear( 7*2*sizeof(int32_t)*(frame_parms->N_RB_DL*12) );
ue_pdsch_vars[eNB_id]->dl_ch_magb1[idx] = (int32_t*)malloc16_clear( 7*2*sizeof(int32_t)*(frame_parms->N_RB_DL*12) );
for (k=0;k<8;k++)
ue_pdsch_vars[eNB_id]->rxdataF_comp1[idx][k] = (int32_t*)malloc16_clear( sizeof(int32_t)*(frame_parms->N_RB_DL*12*14) );
const int idx = (j<<1)+i;
const size_t num = 7*2*frame_parms->N_RB_DL*12+4;
ue_pdsch_vars[eNB_id]->dl_ch_rho2_ext[idx] = (int32_t*)malloc16_clear( sizeof(int32_t) * num );
}
for (k=0;k<8;k++) { //harq_pid
for (l=0;l<8;l++) { //round
ue_pdsch_vars[eNB_id]->rxdataF_comp1[k][l] = (int32_t**)malloc16_clear( 8*sizeof(int32_t*) );
ue_pdsch_vars[eNB_id]->dl_ch_rho_ext[k][l] = (int32_t**)malloc16_clear( 8*sizeof(int32_t*) );
for (int i=0; i<frame_parms->nb_antennas_rx; i++)
for (int j=0; j<4; j++) { //frame_parms->nb_antennas_tx; j++)
const int idx = (j<<1)+i;
const size_t num = 7*2*frame_parms->N_RB_DL*12+4;
ue_pdsch_vars[eNB_id]->dl_ch_rho_ext[k][l][idx] = (int32_t*)malloc16_clear( sizeof(int32_t) * num );
ue_pdsch_vars[eNB_id]->rxdataF_comp1[k][l][idx] = (int32_t*)malloc16_clear( sizeof(int32_t) * num );
}
}
}
#ifdef ENABLE_FULL_FLP
phy_init_lte_ue__PDSCH_FLP( ue_pdsch_vars_flp[eNB_id], frame_parms );
#endif
......@@ -1106,7 +1121,7 @@ int phy_init_lte_ue(PHY_VARS_UE *phy_vars_ue,
ue_pdcch_vars[eNB_id]->rho[i] = (int32_t*)malloc16_clear( sizeof(int32_t)*(frame_parms->N_RB_DL*12*7*2) );
for (j=0; j<4;j++) {//frame_parms->nb_antennas_tx; j++)
int idx = (j<<1)+i;
size_t num = 7*2*frame_parms->N_RB_DL*12;
size_t num = 7*2*frame_parms->N_RB_DL*12+4;
ue_pdcch_vars[eNB_id]->rxdataF_comp[idx] = (int32_t*)malloc16_clear( sizeof(int32_t) * num );
ue_pdcch_vars[eNB_id]->dl_ch_rho_ext[idx] = (int32_t*)malloc16_clear( sizeof(int32_t) * num );
ue_pdcch_vars[eNB_id]->rxdataF_ext[idx] = (int32_t*)malloc16_clear( sizeof(int32_t) * num );
......
openair1/PHY/LTE_TRANSPORT/dci_tools.c
View file @ 988595f8
This diff is collapsed.
openair1/PHY/LTE_TRANSPORT/defs.h
View file @ 988595f8
......@@ -695,6 +695,12 @@ typedef enum {
PMCH
} PDSCH_t;
typedef enum {
rx_standard=0,
rx_IC_single_stream,
rx_IC_dual_stream,
} RX_type_t;
typedef enum {
pucch_format1=0,
pucch_format1a,
......
openair1/PHY/LTE_TRANSPORT/dlsch_modulation.c
View file @ 988595f8
......@@ -155,15 +155,14 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
int first_layer0 = dlsch0_harq->first_layer;
int Nlayers0 = dlsch0_harq->Nlayers;
uint8_t mod_order0 = get_Qm(dlsch0_harq->mcs);
uint8_t mod_order1=2;
uint8_t precoder_index0,precoder_index1;
uint8_t *x1=NULL;
uint8_t mod_order1=2;
// Fill these in later for TM8-10
// int Nlayers1;
// int first_layer1;
int use2ndpilots = (frame_parms->mode1_flag==1)?1:0;
uint32_t tti_offset,aa;
......@@ -642,7 +641,7 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
}
}
else if ((mimo_mode >= UNIFORM_PRECODING11)&&(mimo_mode <= PUSCH_PRECODING1)) {
// this is for transmission modes 4-6 (1 layer)
// this is for transmission modes 5-6 (1 layer)
*re_allocated = *re_allocated + 1;
amp = (int16_t)(((int32_t)tmp_amp*ONE_OVER_SQRT2_Q15)>>15);
......@@ -740,6 +739,214 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
}
}
else if ((mimo_mode >= DUALSTREAM_UNIFORM_PRECODING1)&&(mimo_mode <= DUALSTREAM_PUSCH_PRECODING)) {
// this is for transmission mode 4 (1 layer)
*re_allocated = *re_allocated + 1;
//amp = (int16_t)(((int32_t)tmp_amp*ONE_OVER_SQRT2_Q15)>>15);
amp = tmp_amp/2;
gain_lin_QPSK = (int16_t)((amp*ONE_OVER_SQRT2_Q15)>>15);
if (precoder_index==0) {
precoder_index0 = 0; //[1 1]
precoder_index1 = 1; //[1 -1]
}
else if (precoder_index==1) {
precoder_index0 = 2; //[1 j]
precoder_index1 = 3; //[1 -j]
}
else {
LOG_E(PHY,"problem with precoder in TM4\n");
return(-1);
}
switch (mod_order0) {
case 2: //QPSK
((int16_t*)&tmp_sample1)[0] = (x0[*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
*jj = *jj + 1;
((int16_t*)&tmp_sample1)[1] = (x0[*jj]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
*jj = *jj + 1;
// normalization for 2 tx antennas
((int16_t*)&txdataF[0][tti_offset])[0] += ((int16_t*)&tmp_sample1)[0];
((int16_t*)&txdataF[0][tti_offset])[1] += ((int16_t*)&tmp_sample1)[1];
if (frame_parms->nb_antennas_tx == 2) {
layer1prec2A(&tmp_sample1,&tmp_sample2,precoder_index0);
((int16_t*)&txdataF[1][tti_offset])[0] += ((int16_t*)&tmp_sample2)[0];
((int16_t*)&txdataF[1][tti_offset])[1] += ((int16_t*)&tmp_sample2)[1];
}
break;
case 4: //16QAM
qam16_table_offset_re = 0;
qam16_table_offset_im = 0;
if (x0[*jj] == 1)
qam16_table_offset_re+=2;
*jj=*jj+1;
if (x0[*jj] == 1)
qam16_table_offset_im+=2;
*jj=*jj+1;
if (x0[*jj] == 1)
qam16_table_offset_re+=1;
*jj=*jj+1;
if (x0[*jj] == 1)
qam16_table_offset_im+=1;
*jj=*jj+1;
((int16_t*)&tmp_sample1)[0] = (int16_t)(((int32_t)amp*qam16_table[qam16_table_offset_re])>>15);
((int16_t*)&tmp_sample1)[1] = (int16_t)(((int32_t)amp*qam16_table[qam16_table_offset_im])>>15);
((int16_t *)&txdataF[0][tti_offset])[0] += ((int16_t*)&tmp_sample1)[0];
((int16_t *)&txdataF[0][tti_offset])[1] += ((int16_t*)&tmp_sample1)[1];
if (frame_parms->nb_antennas_tx == 2) {
layer1prec2A(&tmp_sample1,&tmp_sample2,precoder_index0);
((int16_t*)&txdataF[1][tti_offset])[0] += ((int16_t*)&tmp_sample2)[0];
((int16_t*)&txdataF[1][tti_offset])[1] += ((int16_t*)&tmp_sample2)[1];
}
break;
case 6: //64QAM
qam64_table_offset_re = 0;
qam64_table_offset_im = 0;
if (x0[*jj] == 1)
qam64_table_offset_re+=4;
*jj=*jj+1;
if (x0[*jj] == 1)
qam64_table_offset_im+=4;
*jj=*jj+1;
if (x0[*jj] == 1)
qam64_table_offset_re+=2;
*jj=*jj+1;
if (x0[*jj] == 1)
qam64_table_offset_im+=2;
*jj=*jj+1;
if (x0[*jj] == 1)
qam64_table_offset_re+=1;
*jj=*jj+1;
if (x0[*jj] == 1)
qam64_table_offset_im+=1;
*jj=*jj+1;
((int16_t*)&tmp_sample1)[0] = (int16_t)(((int32_t)amp*qam64_table[qam64_table_offset_re])>>15);
((int16_t*)&tmp_sample1)[1] = (int16_t)(((int32_t)amp*qam64_table[qam64_table_offset_im])>>15);
((int16_t *)&txdataF[0][tti_offset])[0] += ((int16_t*)&tmp_sample1)[0];
((int16_t *)&txdataF[0][tti_offset])[1] += ((int16_t*)&tmp_sample1)[1];
if (frame_parms->nb_antennas_tx == 2) {
layer1prec2A(&tmp_sample1,&tmp_sample2,precoder_index0);
((int16_t*)&txdataF[1][tti_offset])[0] += ((int16_t*)&tmp_sample2)[0];
((int16_t*)&txdataF[1][tti_offset])[1] += ((int16_t*)&tmp_sample2)[1];
}
break;
}
switch (mod_order1) {
case 2: //QPSK
((int16_t*)&tmp_sample1)[0] = (x1[*jj2]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
*jj2 = *jj2 + 1;
((int16_t*)&tmp_sample1)[1] = (x1[*jj2]==1) ? (-gain_lin_QPSK) : gain_lin_QPSK;
*jj2 = *jj2 + 1;
// normalization for 2 tx antennas
((int16_t*)&txdataF[0][tti_offset])[0] += ((int16_t*)&tmp_sample1)[0];
((int16_t*)&txdataF[0][tti_offset])[1] += ((int16_t*)&tmp_sample1)[1];
if (frame_parms->nb_antennas_tx == 2) {
layer1prec2A(&tmp_sample1,&tmp_sample2,precoder_index1);
((int16_t*)&txdataF[1][tti_offset])[0] += ((int16_t*)&tmp_sample2)[0];
((int16_t*)&txdataF[1][tti_offset])[1] += ((int16_t*)&tmp_sample2)[1];
}
break;
case 4: //16QAM
qam16_table_offset_re = 0;
qam16_table_offset_im = 0;
if (x1[*jj2] == 1)
qam16_table_offset_re+=2;
*jj2=*jj2+1;
if (x1[*jj2] == 1)
qam16_table_offset_im+=2;
*jj2=*jj2+1;
if (x1[*jj2] == 1)
qam16_table_offset_re+=1;
*jj2=*jj2+1;
if (x1[*jj2] == 1)
qam16_table_offset_im+=1;
*jj2=*jj2+1;
((int16_t*)&tmp_sample1)[0] = (int16_t)(((int32_t)amp*qam16_table[qam16_table_offset_re])>>15);
((int16_t*)&tmp_sample1)[1] = (int16_t)(((int32_t)amp*qam16_table[qam16_table_offset_im])>>15);
((int16_t *)&txdataF[0][tti_offset])[0] += ((int16_t*)&tmp_sample1)[0];
((int16_t *)&txdataF[0][tti_offset])[1] += ((int16_t*)&tmp_sample1)[1];
if (frame_parms->nb_antennas_tx == 2) {
layer1prec2A(&tmp_sample1,&tmp_sample2,precoder_index1);
((int16_t*)&txdataF[1][tti_offset])[0] += ((int16_t*)&tmp_sample2)[0];
((int16_t*)&txdataF[1][tti_offset])[1] += ((int16_t*)&tmp_sample2)[1];
}
break;
case 6: //64QAM
qam64_table_offset_re = 0;
qam64_table_offset_im = 0;
if (x1[*jj2] == 1)
qam64_table_offset_re+=4;
*jj2=*jj2+1;
if (x1[*jj2] == 1)
qam64_table_offset_im+=4;
*jj2=*jj2+1;
if (x1[*jj2] == 1)
qam64_table_offset_re+=2;
*jj2=*jj2+1;
if (x1[*jj2] == 1)
qam64_table_offset_im+=2;
*jj2=*jj2+1;
if (x1[*jj2] == 1)
qam64_table_offset_re+=1;
*jj2=*jj2+1;
if (x1[*jj2] == 1)
qam64_table_offset_im+=1;
*jj2=*jj2+1;
((int16_t*)&tmp_sample1)[0] = (int16_t)(((int32_t)amp*qam64_table[qam64_table_offset_re])>>15);
((int16_t*)&tmp_sample1)[1] = (int16_t)(((int32_t)amp*qam64_table[qam64_table_offset_im])>>15);
((int16_t *)&txdataF[0][tti_offset])[0] += ((int16_t*)&tmp_sample1)[0];
((int16_t *)&txdataF[0][tti_offset])[1] += ((int16_t*)&tmp_sample1)[1];
if (frame_parms->nb_antennas_tx == 2) {
layer1prec2A(&tmp_sample1,&tmp_sample2,precoder_index1);
((int16_t*)&txdataF[1][tti_offset])[0] += ((int16_t*)&tmp_sample2)[0];
((int16_t*)&txdataF[1][tti_offset])[1] += ((int16_t*)&tmp_sample2)[1];
}
break;
}
}
if (mimo_mode == ALAMOUTI) {
re++; // adjacent carriers are taken care of by precoding
*re_allocated = *re_allocated + 1;
......
openair1/PHY/LTE_TRANSPORT/power_control.c
View file @ 988595f8
......@@ -36,24 +36,27 @@ double ratioPB[2][4]={{ 1.0,4.0/5.0,3.0/5.0,2.0/5.0},
{ 5.0/4.0,1.0,3.0/4.0,1.0/2.0}};
*/
double ratioPB[2][4]={{ 0.00000, -0.96910, -2.21849, -3.97940},
double ratioPB[2][4]={{ 0.00000, -0.96910, -2.21849, -3.97940}, //in db
{ 0.96910, 0.00000, -1.24939, -3.01030}};
double pa_values[8]={-6.0,-4.77,-3.0,-1.77,0.0,1.0,2.0,3.0};
double pa_values[8]={-6.0,-4.77,-3.0,-1.77,0.0,1.0,2.0,3.0}; //reported by higher layers
double get_pa_dB(PDSCH_CONFIG_DEDICATED *pdsch_config_dedicated) {
return(pa_values[pdsch_config_dedicated->p_a]);
}
double computeRhoA_eNB(PDSCH_CONFIG_DEDICATED *pdsch_config_dedicated,
LTE_eNB_DLSCH_t *dlsch_eNB,int dl_power_off){
LTE_eNB_DLSCH_t *dlsch_eNB,int dl_power_off, uint8_t n_antenna_port){
double rho_a_dB;
double sqrt_rho_a_lin;
rho_a_dB = pa_values[ pdsch_config_dedicated->p_a];
if(!dl_power_off)
if(!dl_power_off) //if dl_power_offset is 0, this is for MU-interference, TM5
rho_a_dB-=10*log10(2);
if(n_antenna_port==4) // see TS 36.213 Section 5.2
rho_a_dB=+10*log10(2);
sqrt_rho_a_lin= pow(10,(0.05*rho_a_dB));
......@@ -75,7 +78,7 @@ double computeRhoB_eNB(PDSCH_CONFIG_DEDICATED *pdsch_config_dedicated,
double rho_a_dB, rho_b_dB;
double sqrt_rho_b_lin;
rho_a_dB= computeRhoA_eNB(pdsch_config_dedicated,dlsch_eNB,dl_power_off);
rho_a_dB= computeRhoA_eNB(pdsch_config_dedicated,dlsch_eNB,dl_power_off, n_antenna_port);
if(n_antenna_port>1)
rho_b_dB= ratioPB[1][pdsch_config_common->p_b] + rho_a_dB;
......@@ -95,7 +98,9 @@ double computeRhoB_eNB(PDSCH_CONFIG_DEDICATED *pdsch_config_dedicated,
double computeRhoA_UE(PDSCH_CONFIG_DEDICATED *pdsch_config_dedicated,
LTE_UE_DLSCH_t *dlsch_ue,
unsigned char dl_power_off){
unsigned char dl_power_off,
uint8_t n_antenna_port
){
double rho_a_dB;
double sqrt_rho_a_lin;
......@@ -103,7 +108,11 @@ double computeRhoA_UE(PDSCH_CONFIG_DEDICATED *pdsch_config_dedicated,
rho_a_dB = pa_values[ pdsch_config_dedicated->p_a];
if(!dl_power_off)
rho_a_dB-=10*log10(2);
rho_a_dB-=10*log10(2);
//if dl_power_offset is 0, this is for MU-interference, TM5. But in practice UE may assume 16 or 64QAM TM4 as multiuser
if(n_antenna_port==4) // see TS 36.213 Section 5.2
rho_a_dB=+10*log10(2);
sqrt_rho_a_lin= pow(10,(0.05*rho_a_dB));
......@@ -125,7 +134,7 @@ double computeRhoB_UE(PDSCH_CONFIG_DEDICATED *pdsch_config_dedicated,
double rho_a_dB, rho_b_dB;
double sqrt_rho_b_lin;
rho_a_dB= computeRhoA_UE(pdsch_config_dedicated,dlsch_ue,dl_power_off);
rho_a_dB= computeRhoA_UE(pdsch_config_dedicated,dlsch_ue,dl_power_off, n_antenna_port);
if(n_antenna_port>1)
rho_b_dB= ratioPB[1][pdsch_config_common->p_b] + rho_a_dB;
......
openair1/PHY/LTE_TRANSPORT/proto.h
View file @ 988595f8
......@@ -145,7 +145,7 @@ void dlsch_encoding_emul(PHY_VARS_eNB *phy_vars_eNB,
\brief Fills RB with data
\param txdataF pointer to output data (frequency domain signal)
\param jj index to output (from CW 1)
\param jj index to output (from CW 2)
\param jj2 index to output (from CW 2)
\param re_offset index of the first RE of the RB
\param symbol_offset index to the OFDM symbol
\param dlsch0_harq Pointer to Transport block 0 HARQ structure
......@@ -833,6 +833,14 @@ void dlsch_detection_mrc(LTE_DL_FRAME_PARMS *frame_parms,
uint16_t nb_rb,
uint8_t dual_stream_UE);
void dlsch_detection_mrc_TM34(LTE_DL_FRAME_PARMS *frame_parms,
LTE_UE_PDSCH *lte_ue_pdsch_vars,
int harq_pid,
int round,
unsigned char symbol,
unsigned short nb_rb,
unsigned char dual_stream_UE);
/** \fn dlsch_extract_rbs_single(int32_t **rxdataF,
int32_t **dl_ch_estimates,
int32_t **rxdataF_ext,
......@@ -956,14 +964,16 @@ void dlsch_channel_compensation_TM56(int **rxdataF_ext,
unsigned char output_shift,
unsigned char dl_power_off);
void dlsch_channel_compensation_TM3(LTE_DL_FRAME_PARMS *frame_parms,
void dlsch_channel_compensation_TM34(LTE_DL_FRAME_PARMS *frame_parms,
LTE_UE_PDSCH *lte_ue_pdsch_vars,
PHY_MEASUREMENTS *phy_measurements,
int eNB_id,
unsigned char symbol,
unsigned char mod_order0,
unsigned char mod_order1,
int harq_pid,
int round,
MIMO_mode_t mimo_mode,
unsigned short nb_rb,
unsigned char output_shift);
......@@ -981,11 +991,12 @@ void dlsch_channel_level(int32_t **dl_ch_estimates_ext,
uint8_t pilots_flag,
uint16_t nb_rb);
void dlsch_channel_level_TM3(int **dl_ch_estimates_ext,
LTE_DL_FRAME_PARMS *frame_parms,
int *avg,
uint8_t symbol,
unsigned short nb_rb);
void dlsch_channel_level_TM34(int **dl_ch_estimates_ext,
LTE_DL_FRAME_PARMS *frame_parms,
int *avg,
uint8_t symbol,
unsigned short nb_rb,
MIMO_mode_t mimo_mode);
void dlsch_channel_level_TM56(int32_t **dl_ch_estimates_ext,
LTE_DL_FRAME_PARMS *frame_parms,
......@@ -1038,6 +1049,7 @@ uint32_t dlsch_decoding_emul(PHY_VARS_UE *phy_vars_ue,
- RE extraction (pilot, PBCH, synch. signals)
- antenna combining (MRC, Alamouti, cycling)
- LLR computation
This function supports TM1, 2, 3, 5, and 6.
@param phy_vars_ue Pointer to PHY variables
@param type Type of PDSCH (SI_PDSCH,RA_PDSCH,PDSCH,PMCH)
@param eNB_id eNb index (Nid1) 0,1,2
......@@ -1045,7 +1057,7 @@ uint32_t dlsch_decoding_emul(PHY_VARS_UE *phy_vars_ue,
@param subframe Subframe number
@param symbol Symbol on which to act (within sub-frame)
@param first_symbol_flag set to 1 on first DLSCH symbol
@param dual_stream_UE Flag to indicate dual-stream interference cancellation
@param rx_type. rx_type=RX_IC_single_stream will enable interference cancellation of a second stream when decoding the first stream. In case of TM1, 2, 5, and this can cancel interference from a neighbouring cell given by eNB_id_i. In case of TM5, eNB_id_i should be set to n_connected_eNB to perform multi-user interference cancellation. In case of TM3, eNB_id_i should be set to eNB_id to perform co-channel interference cancellation; this option should be used together with an interference cancellation step [...]. In case of TM3, if rx_type=RX_IC_dual_stream, both streams will be decoded by applying the IC single stream receiver twice.
@param i_mod Modulation order of the interfering stream
*/
int32_t rx_pdsch(PHY_VARS_UE *phy_vars_ue,
......@@ -1055,7 +1067,7 @@ int32_t rx_pdsch(PHY_VARS_UE *phy_vars_ue,
uint8_t subframe,
uint8_t symbol,
uint8_t first_symbol_flag,
uint8_t dual_stream_UE,
RX_type_t rx_type,
uint8_t i_mod,
uint8_t harq_pid);
......@@ -1407,7 +1419,7 @@ void dump_dlsch(PHY_VARS_UE *phy_vars_ue,uint8_t eNB_id,uint8_t subframe,uint8_t
void dump_dlsch_SI(PHY_VARS_UE *phy_vars_ue,uint8_t eNB_id,uint8_t subframe);
void dump_dlsch_ra(PHY_VARS_UE *phy_vars_ue,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,uint16_t coded_bits_per_codeword,int round,uint8_t harq_pid );
#endif
int dump_dci(LTE_DL_FRAME_PARMS *frame_parms, DCI_ALLOC_t *dci);
......@@ -1740,7 +1752,8 @@ double get_pa_dB(PDSCH_CONFIG_DEDICATED *pdsch_config_dedicated);
double computeRhoA_eNB(PDSCH_CONFIG_DEDICATED *pdsch_config_dedicated,
LTE_eNB_DLSCH_t *dlsch_eNB,
int dl_power_off);
int dl_power_off,
uint8_t n_antenna_port);
double computeRhoB_eNB(PDSCH_CONFIG_DEDICATED *pdsch_config_dedicated,
PDSCH_CONFIG_COMMON *pdsch_config_common,
......@@ -1749,7 +1762,8 @@ double computeRhoB_eNB(PDSCH_CONFIG_DEDICATED *pdsch_config_dedicated,
double computeRhoA_UE(PDSCH_CONFIG_DEDICATED *pdsch_config_dedicated,
LTE_UE_DLSCH_t *dlsch_ue,
uint8_t dl_power_off);
uint8_t dl_power_off,
uint8_t n_antenna_port);
double computeRhoB_UE(PDSCH_CONFIG_DEDICATED *pdsch_config_dedicated,
PDSCH_CONFIG_COMMON *pdsch_config_common,
......
openair1/PHY/TOOLS/lte_phy_scope.c
View file @ 988595f8
This diff is collapsed.
openair1/PHY/TOOLS/lte_phy_scope.h
View file @ 988595f8
......@@ -62,6 +62,8 @@ typedef struct {
FL_OBJECT * pdcch_llr;
FL_OBJECT * pdsch_comp;
FL_OBJECT * pdsch_llr;
FL_OBJECT * pdsch_comp1;
FL_OBJECT * pdsch_llr1;
FL_OBJECT * pdsch_tput;
FL_OBJECT * button_0;
} FD_lte_phy_scope_ue;
......
openair1/PHY/impl_defs_lte.h
View file @ 988595f8
......@@ -795,19 +795,22 @@ typedef struct {
/// - first index: ? [0..7] (hard coded) FIXME! accessed via \c nb_antennas_rx
/// - second index: ? [0..168*N_RB_DL[
int32_t **rxdataF_comp0;
/// \brief Received frequency-domain signal after extraction and channel compensation.
/// - first index: ? [0..7] (hard coded) accessed via \c round
/// - second index: ? [0..7] (hard coded) FIXME! accessed via \c nb_antennas_rx
/// - third index: ? [0..168*N_RB_DL[
int32_t **rxdataF_comp1[8];
/// \brief Received frequency-domain signal after extraction and channel compensation for the second stream. For the SIC receiver we need to store the history of this for each harq process and round
/// - first index: ? [0..7] (hard coded) accessed via \c harq_pid
/// - second index: ? [0..7] (hard coded) accessed via \c round
/// - third index: ? [0..7] (hard coded) FIXME! accessed via \c nb_antennas_rx
/// - fourth index: ? [0..168*N_RB_DL[
int32_t **rxdataF_comp1[8][8];
/// \brief Downlink channel estimates extracted in PRBS.
/// - first index: ? [0..7] (hard coded) FIXME! accessed via \c nb_antennas_rx
/// - second index: ? [0..168*N_RB_DL[
int32_t **dl_ch_estimates_ext;
/// \brief Downlink cross-correlation of MIMO channel estimates (unquantized PMI) extracted in PRBS.
/// - first index: ? [0..7] (hard coded) FIXME! accessed via \c nb_antennas_rx
/// - second index: ? [0..168*N_RB_DL[
int32_t **dl_ch_rho_ext;
/// \brief Downlink cross-correlation of MIMO channel estimates (unquantized PMI) extracted in PRBS. For the SIC receiver we need to store the history of this for each harq process and round
/// - first index: ? [0..7] (hard coded) accessed via \c harq_pid
/// - second index: ? [0..7] (hard coded) accessed via \c round
/// - third index: ? [0..7] (hard coded) FIXME! accessed via \c nb_antennas_rx
/// - fourth index: ? [0..168*N_RB_DL[
int32_t **dl_ch_rho_ext[8][8];
/// \brief Downlink cross-correlation of MIMO channel estimates (unquantized PMI) extracted in PRBS.
/// - first index: ? [0..7] (hard coded) FIXME! accessed via \c nb_antennas_rx
/// - second index: ? [0..168*N_RB_DL[
......
openair1/SIMULATION/LTE_PHY/dlsim.c
View file @ 988595f8
This diff is collapsed.
openair1/SIMULATION/TOOLS/defs.h
View file @ 988595f8
......@@ -174,7 +174,13 @@ typedef enum {
Rice1,
Rice1_corr,
Rice1_anticorr,
AWGN
AWGN,
Rayleigh1_orthogonal,
Rayleigh1_orth_eff_ch_TM4_prec_real,
Rayleigh1_orth_eff_ch_TM4_prec_imag,
Rayleigh8_orth_eff_ch_TM4_prec_real,
Rayleigh8_orth_eff_ch_TM4_prec_imag,
TS_SHIFT,
} SCM_t;
/**
......
openair1/SIMULATION/TOOLS/random_channel.c
View file @ 988595f8
......@@ -39,6 +39,8 @@
#include "UTIL/LOG/log.h"
//#define DEBUG_CH
extern void print_shorts(char *s,__m128i *x);
void fill_channel_desc(channel_desc_t *chan_desc,
uint8_t nb_tx,
uint8_t nb_rx,
......@@ -119,7 +121,12 @@ void fill_channel_desc(channel_desc_t *chan_desc,
}
}
else {
chan_desc->R_sqrt = R_sqrt;
chan_desc->R_sqrt = (struct complex**) calloc(nb_taps,sizeof(struct complex*));
for (i = 0; i<nb_taps; i++) {
chan_desc->R_sqrt[i] = (struct complex*) calloc(nb_tx*nb_rx*nb_tx*nb_rx,sizeof(struct complex));
//chan_desc->R_sqrt = (struct complex*)&R_sqrt[i][0];
chan_desc->R_sqrt[i] = R_sqrt[0];
}
}
for (i = 0; i<nb_taps; i++) {
......@@ -159,6 +166,9 @@ double etu_amps_dB[] = {-1.0,-1.0,-1.0,0.0,0.0,0.0,-3.0,-5.0,-7.0};
double default_amps_lin[] = {0.3868472 , 0.3094778 , 0.1547389 , 0.0773694 , 0.0386847 , 0.0193424 , 0.0096712 , 0.0038685};
double default_amp_lin[] = {1};
double ts_shift_delays[] = {0, 1/7.68};
double ts_shift_amps[] = {0, 1};
//correlation matrix for a 2x2 channel with full Tx correlation
struct complex R_sqrt_22_corr_tap[16] = {{0.70711,0}, {0.0, 0.0}, {0.70711,0}, {0.0, 0.0},
{0.0, 0.0}, {0.70711,0}, {0.0, 0.0}, {0.70711,0},
......@@ -183,6 +193,36 @@ struct complex *R_sqrt_21_anticorr[1] = {R_sqrt_21_anticorr_tap};
struct complex **R_sqrt_ptr2;
// full correlation matrix in vectorized form for 2x2 channel, where h1 is perfectly orthogonal to h2
struct complex R_sqrt_22_orthogonal_tap[16] = {{0.70711,0.0}, {0.0, 0.0}, {0.0,0.0}, {0.0, 0.0},
{0.0, 0.0}, {0.0,0.0}, {0.0, 0.0}, {0.0,0.0},
{0.0,0.0}, {0.0, 0.0}, {0.0,0.0}, {0.0, 0.0},
{0.0, 0.0}, {0.0,0.0}, {0.0, 0.0}, {0.70711,0.0}};
struct complex *R_sqrt_22_orthogonal[1] = {R_sqrt_22_orthogonal_tap};
// full correlation matrix for TM4 to make orthogonal effective channel
struct complex R_sqrt_22_orth_eff_ch_TM4_prec_real_tap[16] = {{0.70711,0.0}, {0.0, 0.0}, {0.70711,0.0}, {0.0, 0.0},
{0.0, 0.0}, {0.70711,0.0}, {0.0, 0.0}, {-0.70711,0.0},
{0.70711,0.0}, {0.0, 0.0}, {0.70711,0.0}, {0.0, 0.0},
{0.0, 0.0}, {-0.70711,0.0}, {0.0, 0.0}, {0.70711,0.0}};
struct complex *R_sqrt_22_orth_eff_ch_TM4_prec_real[1] = {R_sqrt_22_orth_eff_ch_TM4_prec_real_tap};
struct complex R_sqrt_22_orth_eff_ch_TM4_prec_imag_tap[16] = {{0.70711,0.0}, {0.0,0.0}, {0.0, -0.70711}, {0.0,0.0},
{0.0, 0.0}, {0.70711,0.0}, {0.0, 0.0}, {0.0,0.70711},
{0.0,-0.70711}, {0.0, 0.0}, {-0.70711,0.0}, {0.0, 0.0},
{0.0, 0.0}, {0.0,0.70711}, {0.0, 0.70711}, {-0.70711,0.0}};
struct complex *R_sqrt_22_orth_eff_ch_TM4_prec_imag[1] = {R_sqrt_22_orth_eff_ch_TM4_prec_imag_tap};
//Rayleigh1_orth_eff_ch_TM4
channel_desc_t *new_channel_desc_scm(uint8_t nb_tx,
uint8_t nb_rx,
......@@ -629,7 +669,7 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx,
aoa = .03;
maxDoppler = 0;
if ((nb_tx==2) && (nb_rx==1)) {
if ((nb_tx==2) && (nb_rx==1)) { //check this
R_sqrt_ptr2 = R_sqrt_21_anticorr;
}
else if ((nb_tx==2) && (nb_rx==2)) {
......@@ -710,6 +750,34 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx,
break;
case TS_SHIFT:
nb_taps = 2;
Td = ts_shift_delays[1];
channel_length = 10;
ricean_factor = 0.0;
aoa = 0.0;
maxDoppler = 0;
fill_channel_desc(chan_desc,nb_tx,
nb_rx,
nb_taps,
channel_length,
ts_shift_amps,
ts_shift_delays,
NULL,
Td,
BW,
ricean_factor,
aoa,
forgetting_factor,
maxDoppler,
channel_offset,
path_loss_dB,
0);
printf("TS_SHIFT: ricean_factor %f\n",chan_desc->ricean_factor);
break;
case Rice1_corr:
nb_taps = 1;
Td = 0;
......@@ -779,7 +847,176 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx,
path_loss_dB,
1);
break;
case Rayleigh1_orthogonal:
nb_taps = 1;
Td = 0;
channel_length = 1;
ricean_factor = 1;
aoa = 0.03;
maxDoppler = 0;
if ((nb_tx==2) && (nb_rx==2)) {
R_sqrt_ptr2 = R_sqrt_22_orthogonal;
}
else
R_sqrt_ptr2 = NULL;
fill_channel_desc(chan_desc,nb_tx,
nb_rx,
nb_taps,
channel_length,
default_amp_lin,
NULL,
R_sqrt_ptr2,
Td,
BW,
ricean_factor,
aoa,
forgetting_factor,
maxDoppler,
channel_offset,
path_loss_dB,
0);
break;
case Rayleigh1_orth_eff_ch_TM4_prec_real:
nb_taps = 1;
Td = 0;
channel_length = 1;
ricean_factor = 1;
aoa = 0.03;
maxDoppler = 0;
if ((nb_tx==2) && (nb_rx==2)) {
R_sqrt_ptr2 = R_sqrt_22_orth_eff_ch_TM4_prec_real;
}
else
R_sqrt_ptr2 = NULL;
fill_channel_desc(chan_desc,nb_tx,
nb_rx,
nb_taps,
channel_length,
default_amp_lin,
NULL,
R_sqrt_ptr2,
Td,
BW,
ricean_factor,
aoa,
forgetting_factor,
maxDoppler,
channel_offset,
path_loss_dB,
0);
break;
case Rayleigh1_orth_eff_ch_TM4_prec_imag:
nb_taps = 1;
Td = 0;
channel_length = 1;
ricean_factor = 1;
aoa = 0.03;
maxDoppler = 0;
if ((nb_tx==2) && (nb_rx==2)) {
R_sqrt_ptr2 = R_sqrt_22_orth_eff_ch_TM4_prec_imag;
}
else
R_sqrt_ptr2 = NULL;
fill_channel_desc(chan_desc,nb_tx,
nb_rx,
nb_taps,
channel_length,
default_amp_lin,
NULL,
R_sqrt_ptr2,
Td,
BW,
ricean_factor,
aoa,
forgetting_factor,
maxDoppler,
channel_offset,
path_loss_dB,
0);
break;
case Rayleigh8_orth_eff_ch_TM4_prec_real:
if ((nb_tx==2) && (nb_rx==2)) {
R_sqrt_ptr2 = R_sqrt_22_orth_eff_ch_TM4_prec_real;
//R_sqrt_ptr2 = NULL;
}
else
R_sqrt_ptr2 = NULL;
nb_taps = 8;
Td = 0.8;
channel_length = (int)11+2*BW*Td;
ricean_factor = 1;
aoa = .03;
maxDoppler = 0;
fill_channel_desc(chan_desc,
nb_tx,
nb_rx,
nb_taps,
channel_length,
default_amps_lin,
NULL,
R_sqrt_ptr2,
Td,
BW,
ricean_factor,
aoa,
forgetting_factor,
maxDoppler,
channel_offset,
path_loss_dB,
0);
break;
case Rayleigh8_orth_eff_ch_TM4_prec_imag:
nb_taps = 8;
Td = 0.8;
channel_length = (int)11+2*BW*Td;
ricean_factor = 1;
aoa = .03;
maxDoppler = 0;
if ((nb_tx==2) && (nb_rx==2)) {
R_sqrt_ptr2 = R_sqrt_22_orth_eff_ch_TM4_prec_imag;
}
else
R_sqrt_ptr2 = NULL;
fill_channel_desc(chan_desc,
nb_tx,
nb_rx,
nb_taps,
channel_length,
default_amps_lin,
NULL,
R_sqrt_ptr2,
Td,
BW,
ricean_factor,
aoa,
forgetting_factor,
maxDoppler,
channel_offset,
path_loss_dB,
0);
break;
default:
LOG_W(OCM,"channel model not yet supported\n");
free(chan_desc);
......@@ -906,6 +1143,11 @@ int random_channel(channel_desc_t *desc, uint8_t abstraction_flag) {
if (desc->channel_length == 1) {
desc->ch[aarx+(aatx*desc->nb_rx)][0].x = desc->a[0][aarx+(aatx*desc->nb_rx)].x;
desc->ch[aarx+(aatx*desc->nb_rx)][0].y = desc->a[0][aarx+(aatx*desc->nb_rx)].y;
#ifdef DEBUG_CH
k=0;
printf("(%d,%d,%d)->(%f,%f)\n",k,aarx,aatx,desc->ch[aarx+(aatx*desc->nb_rx)][k].x,desc->ch[aarx+(aatx*desc->nb_rx)][k].y);
#endif
}
else {
......
openair2/UTIL/LOG/log.c
View file @ 988595f8
This diff is collapsed.
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment