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Commit e958d7be authored by Raymond Knopp's avatar Raymond Knopp
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update for mbmssim for new data structures

parent 263ad2af
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Showing with 98 additions and 132 deletions
openair1/SIMULATION/LTE_PHY/mbmssim.c
View file @ e958d7be
......@@ -51,15 +51,16 @@
#include "OCG_vars.h"
#include "unitary_defs.h"
PHY_VARS_eNB *PHY_vars_eNB;
PHY_VARS_UE *PHY_vars_UE;
PHY_VARS_eNB *eNB;
PHY_VARS_UE *UE;
DCI1E_5MHz_2A_M10PRB_TDD_t DLSCH_alloc_pdu2_1E[2];
#define UL_RB_ALLOC 0x1ff;
#define CCCH_RB_ALLOC computeRIV(PHY_vars_eNB->frame_parms.N_RB_UL,0,2)
#define CCCH_RB_ALLOC computeRIV(eNB->frame_parms.N_RB_UL,0,2)
int main(int argc, char **argv)
{
......@@ -70,10 +71,11 @@ int main(int argc, char **argv)
uint8_t snr1set=0;
double snr_step=1,input_snr_step=1;
int **txdata;
double **s_re,**s_im,**r_re,**r_im;
double s_re0[2*30720],s_im0[2*30720],s_re1[2*30720],s_im1[2*30720];
double r_re0[2*30720],r_im0[2*30720],r_re1[2*30720],r_im1[2*30720];
double *s_re[2]={s_re0,s_re1},*s_im[2]={s_im0,s_im1},*r_re[2]={r_re0,r_re1},*r_im[2]={r_im0,r_im1};
double iqim = 0.0;
int subframe=1;
int sched_subframe;
char fname[40];//, vname[40];
uint8_t transmission_mode = 1,n_tx=1,n_rx=2;
uint16_t Nid_cell=0;
......@@ -125,17 +127,7 @@ int main(int argc, char **argv)
logInit();
number_of_cards = 1;
//openair_daq_vars.rx_rf_mode = 1;
/*
rxdataF = (int **)malloc16(2*sizeof(int*));
rxdataF[0] = (int *)malloc16(FRAME_LENGTH_BYTES);
rxdataF[1] = (int *)malloc16(FRAME_LENGTH_BYTES);
rxdata = (int **)malloc16(2*sizeof(int*));
rxdata[0] = (int *)malloc16(FRAME_LENGTH_BYTES);
rxdata[1] = (int *)malloc16(FRAME_LENGTH_BYTES);
*/
while ((c = getopt (argc, argv, "ahA:Cp:n:s:S:t:x:y:z:N:F:R:O:dm:i:Y")) != -1) {
switch (c) {
case 'a':
......@@ -235,7 +227,6 @@ int main(int argc, char **argv)
}
sched_subframe = (subframe+9)%10;
if (awgn_flag == 1)
channel_model = AWGN;
......@@ -253,9 +244,17 @@ int main(int argc, char **argv)
if (transmission_mode==2)
n_tx=2;
lte_param_init(n_tx,n_rx,transmission_mode,extended_prefix_flag,frame_type,Nid_cell,tdd_config,N_RB_DL,0,osf,perfect_ce);
lte_param_init(n_tx,
n_rx,
transmission_mode,
extended_prefix_flag,
frame_type,
Nid_cell,
tdd_config,
N_RB_DL,
0,
osf,
perfect_ce);
if (snr1set==0) {
if (n_frames==1)
......@@ -266,7 +265,7 @@ int main(int argc, char **argv)
printf("SNR0 %f, SNR1 %f\n",snr0,snr1);
frame_parms = &PHY_vars_eNB->frame_parms;
frame_parms = &eNB->frame_parms;
if (awgn_flag == 0)
sprintf(fname,"embms_%d_%d.m",mcs,N_RB_DL);
......@@ -292,72 +291,56 @@ int main(int argc, char **argv)
fflush(fd);
txdata = PHY_vars_eNB->common_vars.txdata[0];
txdata = eNB->common_vars.txdata[0];
s_re = malloc(2*sizeof(double*));
s_im = malloc(2*sizeof(double*));
r_re = malloc(2*sizeof(double*));
r_im = malloc(2*sizeof(double*));
nsymb = 12;
printf("FFT Size %d, Extended Prefix %d, Samples per subframe %d, Symbols per subframe %d, AWGN %d\n",NUMBER_OF_OFDM_CARRIERS,
frame_parms->Ncp,frame_parms->samples_per_tti,nsymb,awgn_flag);
for (i=0; i<2; i++) {
s_re[i] = malloc(FRAME_LENGTH_COMPLEX_SAMPLES*sizeof(double));
bzero(s_re[i],FRAME_LENGTH_COMPLEX_SAMPLES*sizeof(double));
s_im[i] = malloc(FRAME_LENGTH_COMPLEX_SAMPLES*sizeof(double));
bzero(s_im[i],FRAME_LENGTH_COMPLEX_SAMPLES*sizeof(double));
r_re[i] = malloc(FRAME_LENGTH_COMPLEX_SAMPLES*sizeof(double));
bzero(r_re[i],FRAME_LENGTH_COMPLEX_SAMPLES*sizeof(double));
r_im[i] = malloc(FRAME_LENGTH_COMPLEX_SAMPLES*sizeof(double));
bzero(r_im[i],FRAME_LENGTH_COMPLEX_SAMPLES*sizeof(double));
}
eNB2UE = new_channel_desc_scm(PHY_vars_eNB->frame_parms.nb_antennas_tx,
PHY_vars_UE->frame_parms.nb_antennas_rx,
eNB2UE = new_channel_desc_scm(eNB->frame_parms.nb_antennas_tx,
UE->frame_parms.nb_antennas_rx,
channel_model,
N_RB2sampling_rate(PHY_vars_eNB->frame_parms.N_RB_DL),
N_RB2channel_bandwidth(PHY_vars_eNB->frame_parms.N_RB_DL),
N_RB2sampling_rate(eNB->frame_parms.N_RB_DL),
N_RB2channel_bandwidth(eNB->frame_parms.N_RB_DL),
0,
0,
0);
// Create transport channel structures for 2 transport blocks (MIMO)
PHY_vars_eNB->dlsch_MCH = new_eNB_dlsch(1,8,Nsoft,N_RB_DL,0);
eNB->dlsch_MCH = new_eNB_dlsch(1,8,Nsoft,N_RB_DL,0);
if (!PHY_vars_eNB->dlsch_MCH) {
if (!eNB->dlsch_MCH) {
printf("Can't get eNB dlsch structures\n");
exit(-1);
}
PHY_vars_UE->dlsch_MCH[0] = new_ue_dlsch(1,8,Nsoft,MAX_TURBO_ITERATIONS_MBSFN,N_RB_DL,0);
UE->dlsch_MCH[0] = new_ue_dlsch(1,8,Nsoft,MAX_TURBO_ITERATIONS_MBSFN,N_RB_DL,0);
PHY_vars_eNB->frame_parms.num_MBSFN_config = 1;
PHY_vars_eNB->frame_parms.MBSFN_config[0].radioframeAllocationPeriod = 0;
PHY_vars_eNB->frame_parms.MBSFN_config[0].radioframeAllocationOffset = 0;
PHY_vars_eNB->frame_parms.MBSFN_config[0].fourFrames_flag = 0;
PHY_vars_eNB->frame_parms.MBSFN_config[0].mbsfn_SubframeConfig=0xff; // activate all possible subframes
PHY_vars_UE->frame_parms.num_MBSFN_config = 1;
PHY_vars_UE->frame_parms.MBSFN_config[0].radioframeAllocationPeriod = 0;
PHY_vars_UE->frame_parms.MBSFN_config[0].radioframeAllocationOffset = 0;
PHY_vars_UE->frame_parms.MBSFN_config[0].fourFrames_flag = 0;
PHY_vars_UE->frame_parms.MBSFN_config[0].mbsfn_SubframeConfig=0xff; // activate all possible subframes
eNB->frame_parms.num_MBSFN_config = 1;
eNB->frame_parms.MBSFN_config[0].radioframeAllocationPeriod = 0;
eNB->frame_parms.MBSFN_config[0].radioframeAllocationOffset = 0;
eNB->frame_parms.MBSFN_config[0].fourFrames_flag = 0;
eNB->frame_parms.MBSFN_config[0].mbsfn_SubframeConfig=0xff; // activate all possible subframes
UE->frame_parms.num_MBSFN_config = 1;
UE->frame_parms.MBSFN_config[0].radioframeAllocationPeriod = 0;
UE->frame_parms.MBSFN_config[0].radioframeAllocationOffset = 0;
UE->frame_parms.MBSFN_config[0].fourFrames_flag = 0;
UE->frame_parms.MBSFN_config[0].mbsfn_SubframeConfig=0xff; // activate all possible subframes
fill_eNB_dlsch_MCH(PHY_vars_eNB,mcs,1,0,0);
fill_UE_dlsch_MCH(PHY_vars_UE,mcs,1,0,0);
fill_eNB_dlsch_MCH(eNB,mcs,1,0);
fill_UE_dlsch_MCH(UE,mcs,1,0,0);
if (is_pmch_subframe(0,subframe,&PHY_vars_eNB->frame_parms)==0) {
if (is_pmch_subframe(0,subframe,&eNB->frame_parms)==0) {
printf("eNB is not configured for MBSFN in subframe %d\n",subframe);
exit(-1);
} else if (is_pmch_subframe(0,subframe,&PHY_vars_UE->frame_parms)==0) {
} else if (is_pmch_subframe(0,subframe,&UE->frame_parms)==0) {
printf("UE is not configured for MBSFN in subframe %d\n",subframe);
exit(-1);
}
input_buffer_length = PHY_vars_eNB->dlsch_MCH->harq_processes[0]->TBS/8;
input_buffer_length = eNB->dlsch_MCH->harq_processes[0]->TBS/8;
input_buffer = (unsigned char *)malloc(input_buffer_length+4);
memset(input_buffer,0,input_buffer_length+4);
......@@ -369,9 +352,9 @@ int main(int argc, char **argv)
snr_step = input_snr_step;
for (SNR=snr0; SNR<snr1; SNR+=snr_step) {
PHY_vars_UE->frame_tx=0;
PHY_vars_eNB->proc[sched_subframe].frame_tx=0;
PHY_vars_eNB->proc[sched_subframe].subframe_tx=subframe;
UE->proc.proc_rxtx[0].frame_tx=0;
eNB->proc.proc_rxtx[0].frame_tx=0;
eNB->proc.proc_rxtx[0].subframe_tx=subframe;
errs[0]=0;
errs[1]=0;
......@@ -392,12 +375,11 @@ int main(int argc, char **argv)
//if (trials%100==0)
//eNB2UE[0]->first_run = 1;
eNB2UE->first_run = 1;
memset(&PHY_vars_eNB->common_vars.txdataF[0][0][0],0,FRAME_LENGTH_COMPLEX_SAMPLES_NO_PREFIX*sizeof(int32_t));
memset(&eNB->common_vars.txdataF[0][0][0],0,FRAME_LENGTH_COMPLEX_SAMPLES_NO_PREFIX*sizeof(int32_t));
generate_mch(eNB,&eNB->proc.proc_rxtx[0],input_buffer);
generate_mch(PHY_vars_eNB,sched_subframe,input_buffer,0);
PHY_ofdm_mod(PHY_vars_eNB->common_vars.txdataF[0][0], // input,
PHY_ofdm_mod(eNB->common_vars.txdataF[0][0], // input,
txdata[0], // output
frame_parms->ofdm_symbol_size,
LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*nsymb, // number of symbols
......@@ -405,33 +387,34 @@ int main(int argc, char **argv)
CYCLIC_PREFIX);
if (n_frames==1) {
write_output("txsigF0.m","txsF0", &PHY_vars_eNB->common_vars.txdataF[0][0][subframe*nsymb*PHY_vars_eNB->frame_parms.ofdm_symbol_size],
nsymb*PHY_vars_eNB->frame_parms.ofdm_symbol_size,1,1);
//if (PHY_vars_eNB->frame_parms.nb_antennas_tx>1)
//write_output("txsigF1.m","txsF1", &PHY_vars_eNB->common_vars.txdataF[eNB_id][1][subframe*nsymb*PHY_vars_eNB->frame_parms.ofdm_symbol_size],nsymb*PHY_vars_eNB->frame_parms.ofdm_symbol_size,1,1);
write_output("txsigF0.m","txsF0", &eNB->common_vars.txdataF[0][0][subframe*nsymb*eNB->frame_parms.ofdm_symbol_size],
nsymb*eNB->frame_parms.ofdm_symbol_size,1,1);
//if (eNB->frame_parms.nb_antennas_tx>1)
//write_output("txsigF1.m","txsF1", &eNB->lte_eNB_common_vars.txdataF[eNB_id][1][subframe*nsymb*eNB->frame_parms.ofdm_symbol_size],nsymb*eNB->frame_parms.ofdm_symbol_size,1,1);
}
tx_lev = 0;
for (aa=0; aa<PHY_vars_eNB->frame_parms.nb_antennas_tx; aa++) {
tx_lev += signal_energy(&PHY_vars_eNB->common_vars.txdata[eNB_id][aa]
[subframe*PHY_vars_eNB->frame_parms.samples_per_tti],
PHY_vars_eNB->frame_parms.samples_per_tti);
for (aa=0; aa<eNB->frame_parms.nb_antennas_tx; aa++) {
tx_lev += signal_energy(&eNB->common_vars.txdata[eNB_id][aa]
[subframe*eNB->frame_parms.samples_per_tti],
eNB->frame_parms.samples_per_tti);
}
tx_lev_dB = (unsigned int) dB_fixed(tx_lev);
if (n_frames==1) {
printf("tx_lev = %d (%d dB)\n",tx_lev,tx_lev_dB);
// write_output("txsig0.m","txs0", &PHY_vars_eNB->common_vars.txdata[0][0][subframe* PHY_vars_eNB->frame_parms.samples_per_tti],
// write_output("txsig0.m","txs0", &eNB->common_vars.txdata[0][0][subframe* eNB->frame_parms.samples_per_tti],
// PHY_vars_eNB->frame_parms.samples_per_tti,1,1);
// eNB->frame_parms.samples_per_tti,1,1);
}
for (i=0; i<2*frame_parms->samples_per_tti; i++) {
for (aa=0; aa<PHY_vars_eNB->frame_parms.nb_antennas_tx; aa++) {
s_re[aa][i] = ((double)(((short *)PHY_vars_eNB->common_vars.txdata[0][aa]))[(2*subframe*PHY_vars_UE->frame_parms.samples_per_tti) + (i<<1)]);
s_im[aa][i] = ((double)(((short *)PHY_vars_eNB->common_vars.txdata[0][aa]))[(2*subframe*PHY_vars_UE->frame_parms.samples_per_tti) +(i<<1)+1]);
for (aa=0; aa<eNB->frame_parms.nb_antennas_tx; aa++) {
s_re[aa][i] = ((double)(((short *)eNB->common_vars.txdata[0][aa]))[(2*subframe*UE->frame_parms.samples_per_tti) + (i<<1)]);
s_im[aa][i] = ((double)(((short *)eNB->common_vars.txdata[0][aa]))[(2*subframe*UE->frame_parms.samples_per_tti) +(i<<1)+1]);
}
}
......@@ -440,39 +423,38 @@ int main(int argc, char **argv)
2*frame_parms->samples_per_tti,hold_channel);
//AWGN
sigma2_dB = 10*log10((double)tx_lev) +10*log10((double)PHY_vars_eNB->frame_parms.ofdm_symbol_size/(NB_RB*12)) - SNR;
sigma2_dB = 10*log10((double)tx_lev) +10*log10((double)eNB->frame_parms.ofdm_symbol_size/(NB_RB*12)) - SNR;
sigma2 = pow(10,sigma2_dB/10);
if (n_frames==1)
printf("Sigma2 %f (sigma2_dB %f)\n",sigma2,sigma2_dB);
for (i=0; i<2*frame_parms->samples_per_tti; i++) {
for (aa=0; aa<PHY_vars_eNB->frame_parms.nb_antennas_rx; aa++) {
for (aa=0; aa<eNB->frame_parms.nb_antennas_rx; aa++) {
//printf("s_re[0][%d]=> %f , r_re[0][%d]=> %f\n",i,s_re[aa][i],i,r_re[aa][i]);
((short*) PHY_vars_UE->lte_ue_common_vars.rxdata[aa])[(2*subframe*PHY_vars_UE->frame_parms.samples_per_tti)+2*i] =
((short*) UE->common_vars.rxdata[aa])[(2*subframe*UE->frame_parms.samples_per_tti)+2*i] =
(short) (r_re[aa][i] + sqrt(sigma2/2)*gaussdouble(0.0,1.0));
((short*) PHY_vars_UE->lte_ue_common_vars.rxdata[aa])[(2*subframe*PHY_vars_UE->frame_parms.samples_per_tti)+2*i+1] =
((short*) UE->common_vars.rxdata[aa])[(2*subframe*UE->frame_parms.samples_per_tti)+2*i+1] =
(short) (r_im[aa][i] + (iqim*r_re[aa][i]) + sqrt(sigma2/2)*gaussdouble(0.0,1.0));
}
}
for (l=2; l<12; l++) {
slot_fep_mbsfn(PHY_vars_UE,
slot_fep_mbsfn(UE,
l,
subframe%10,
0,
0);
if (PHY_vars_UE->perfect_ce==1) {
if (UE->perfect_ce==1) {
// fill in perfect channel estimates
freq_channel(eNB2UE,PHY_vars_UE->frame_parms.N_RB_DL,12*PHY_vars_UE->frame_parms.N_RB_DL + 1);
freq_channel(eNB2UE,UE->frame_parms.N_RB_DL,12*UE->frame_parms.N_RB_DL + 1);
for(k=0; k<NUMBER_OF_eNB_MAX; k++) {
for(aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
for (aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) {
for (i=0; i<frame_parms->N_RB_DL*12; i++) {
((int16_t *) PHY_vars_UE->lte_ue_common_vars.dl_ch_estimates[k][(aa<<1)+aarx])[2*i+(l*frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2]=(int16_t)(eNB2UE->chF[aarx+(aa*frame_parms->nb_antennas_rx)][i].x*AMP);
((int16_t *) PHY_vars_UE->lte_ue_common_vars.dl_ch_estimates[k][(aa<<1)+aarx])[2*i+1+(l*frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2]=(int16_t)(eNB2UE->chF[aarx+(aa*frame_parms->nb_antennas_rx)][i].y*AMP);
((int16_t *) UE->common_vars.dl_ch_estimates[k][(aa<<1)+aarx])[2*i+(l*frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2]=(int16_t)(eNB2UE->chF[aarx+(aa*frame_parms->nb_antennas_rx)][i].x*AMP);
((int16_t *) UE->common_vars.dl_ch_estimates[k][(aa<<1)+aarx])[2*i+1+(l*frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2]=(int16_t)(eNB2UE->chF[aarx+(aa*frame_parms->nb_antennas_rx)][i].y*AMP);
}
}
}
......@@ -481,52 +463,52 @@ int main(int argc, char **argv)
if (l==6)
for (l2=2;l2<7;l2++)
rx_pmch(PHY_vars_UE,
rx_pmch(UE,
0,
subframe%10,
l2);
if (l==6)
for (l2=2;l2<7;l2++)
rx_pmch(PHY_vars_UE,
rx_pmch(UE,
0,
subframe%10,
l2);
if (l==11)
for (l2=7;l2<12;l2++)
rx_pmch(PHY_vars_UE,
rx_pmch(UE,
0,
subframe%10,
l2);
}
PHY_vars_UE->dlsch_MCH[0]->harq_processes[0]->G = get_G(&PHY_vars_UE->frame_parms,
PHY_vars_UE->dlsch_MCH[0]->harq_processes[0]->nb_rb,
PHY_vars_UE->dlsch_MCH[0]->harq_processes[0]->rb_alloc_even,
get_Qm(PHY_vars_UE->dlsch_MCH[0]->harq_processes[0]->mcs),
UE->dlsch_MCH[0]->harq_processes[0]->G = get_G(&UE->frame_parms,
UE->dlsch_MCH[0]->harq_processes[0]->nb_rb,
UE->dlsch_MCH[0]->harq_processes[0]->rb_alloc_even,
get_Qm(UE->dlsch_MCH[0]->harq_processes[0]->mcs),
1,2,
PHY_vars_UE->frame_tx,subframe);
PHY_vars_UE->dlsch_MCH[0]->harq_processes[0]->Qm = get_Qm(PHY_vars_UE->dlsch_MCH[0]->harq_processes[0]->mcs);
dlsch_unscrambling(&PHY_vars_UE->frame_parms,1,PHY_vars_UE->dlsch_MCH[0],
PHY_vars_UE->dlsch_MCH[0]->harq_processes[0]->G,
PHY_vars_UE->lte_ue_pdsch_vars_MCH[0]->llr[0],0,subframe<<1);
ret = dlsch_decoding(PHY_vars_UE,
PHY_vars_UE->lte_ue_pdsch_vars_MCH[0]->llr[0],
&PHY_vars_UE->frame_parms,
PHY_vars_UE->dlsch_MCH[0],
PHY_vars_UE->dlsch_MCH[0]->harq_processes[0],
UE->proc.proc_rxtx[0].frame_tx,subframe);
UE->dlsch_MCH[0]->harq_processes[0]->Qm = get_Qm(UE->dlsch_MCH[0]->harq_processes[0]->mcs);
dlsch_unscrambling(&UE->frame_parms,1,UE->dlsch_MCH[0],
UE->dlsch_MCH[0]->harq_processes[0]->G,
UE->pdsch_vars_MCH[0]->llr[0],0,subframe<<1);
ret = dlsch_decoding(UE,
UE->pdsch_vars_MCH[0]->llr[0],
&UE->frame_parms,
UE->dlsch_MCH[0],
UE->dlsch_MCH[0]->harq_processes[0],
subframe,
0,0,0);
if (n_frames==1)
printf("MCH decoding returns %d\n",ret);
if (ret == (1+PHY_vars_UE->dlsch_MCH[0]->max_turbo_iterations))
if (ret == (1+UE->dlsch_MCH[0]->max_turbo_iterations))
errs[0]++;
PHY_vars_UE->frame_tx++;
PHY_vars_eNB->proc[sched_subframe].frame_tx++;
UE->proc.proc_rxtx[0].frame_tx++;
eNB->proc.proc_rxtx[0].frame_tx++;
}
printf("errors %d/%d (Pe %e)\n",errs[round],trials,(double)errs[round]/trials);
......@@ -550,34 +532,18 @@ int main(int argc, char **argv)
if (n_frames==1) {
printf("Dumping PMCH files ( G %d)\n",PHY_vars_UE->dlsch_MCH[0]->harq_processes[0]->G);
dump_mch(PHY_vars_UE,0,
PHY_vars_UE->dlsch_MCH[0]->harq_processes[0]->G,
printf("Dumping PMCH files ( G %d)\n",UE->dlsch_MCH[0]->harq_processes[0]->G);
dump_mch(UE,0,
UE->dlsch_MCH[0]->harq_processes[0]->G,
subframe);
}
printf("Freeing dlsch structures\n");
free_eNB_dlsch(PHY_vars_eNB->dlsch_MCH);
free_ue_dlsch(PHY_vars_UE->dlsch_MCH[0]);
free_eNB_dlsch(eNB->dlsch_MCH);
free_ue_dlsch(UE->dlsch_MCH[0]);
fclose(fd);
printf("Freeing channel I/O\n");
for (i=0; i<2; i++) {
free(s_re[i]);
free(s_im[i]);
free(r_re[i]);
free(r_im[i]);
}
free(s_re);
free(s_im);
free(r_re);
free(r_im);
// lte_sync_time_free();
return(0);
}
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