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OpenXG-RAN
Commit 672f95a6 authored by Florian Kaltenberger's avatar Florian Kaltenberger
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small fixes for TM8/9

parent 4a1c87ec
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Showing with 20 additions and 74 deletions
openair1/PHY/MODULATION/beamforming.c
View file @ 672f95a6
......@@ -56,7 +56,7 @@ int beam_precoding(int32_t **txdataF,
memset(txdataF_BF[aa],0,sizeof(int32_t)*(frame_parms->ofdm_symbol_size));
for (p=0; p<NB_ANTENNA_PORTS_ENB; p++) {
if (p<frame_parms->nb_antenna_ports_eNB || p==5) {
if (p<frame_parms->nb_antenna_ports_eNB || p==5 || p==7 || p==8) {
multadd_cpx_vector((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size],(int16_t*)beam_weights[p][aa], (int16_t*)txdataF_BF[aa], 0, frame_parms->ofdm_symbol_size, 15);
//mult_cpx_conj_vector((int16_t*)beam_weights[p][aa], (int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size], (int16_t*)txdataF_BF[aa], frame_parms->ofdm_symbol_size, 15, 1);
......
openair1/SIMULATION/LTE_PHY/dlsim.c
View file @ 672f95a6
......@@ -92,35 +92,7 @@ uint64_t DLSCH_alloc_pdu_1[2];
#define CCCH_RB_ALLOC computeRIV(eNB->frame_parms.N_RB_UL,0,2)
//#define DLSCH_RB_ALLOC 0x1fbf // igore DC component,RB13
//#define DLSCH_RB_ALLOC 0x0001
void do_OFDM_mod_l(int32_t **txdataF, int32_t **txdata, uint16_t next_slot, LTE_DL_FRAME_PARMS *frame_parms)
{
int aa, slot_offset, slot_offset_F;
slot_offset_F = (next_slot)*(frame_parms->ofdm_symbol_size)*((frame_parms->Ncp==1) ? 6 : 7);
slot_offset = (next_slot)*(frame_parms->samples_per_tti>>1);
for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
// printf("Thread %d starting ... aa %d (%llu)\n",omp_get_thread_num(),aa,rdtsc());
if (frame_parms->Ncp == 1)
PHY_ofdm_mod(&txdataF[aa][slot_offset_F], // input
&txdata[aa][slot_offset], // output
frame_parms->ofdm_symbol_size,
6, // number of symbols
frame_parms->nb_prefix_samples, // number of prefix samples
CYCLIC_PREFIX);
else {
normal_prefix_mod(&txdataF[aa][slot_offset_F],
&txdata[aa][slot_offset],
7,
frame_parms);
}
}
}
void DL_channel(PHY_VARS_eNB *eNB,PHY_VARS_UE *UE,int subframe,int awgn_flag,double SNR, int tx_lev,int hold_channel,int abstx, int num_rounds, int trials, int round, channel_desc_t *eNB2UE[4],
double *s_re[2],double *s_im[2],double *r_re[2],double *r_im[2],FILE *csv_fd) {
......@@ -1374,7 +1346,7 @@ int main(int argc, char **argv)
{
int c;
int k,i,aa;
int k,i,aa,p;
int re;
int s,Kr,Kr_bytes;
......@@ -1428,34 +1400,19 @@ int main(int argc, char **argv)
char input_trch_val[16];
// unsigned char pbch_pdu[6];
// FILE *rx_frame_file;
int n_frames;
int n_ch_rlz = 1;
channel_desc_t *eNB2UE[4];
//uint8_t num_pdcch_symbols_2=0;
uint8_t rx_sample_offset = 0;
//char stats_buffer[4096];
//int len;
uint8_t num_rounds = 4;//,fix_rounds=0;
//int u;
int n=0;
int abstx=0;
//int iii;
int ch_realization;
//int pmi_feedback=0;
int hold_channel=0;
// void *data;
// int ii;
// int bler;
double blerr[4],uncoded_ber; //,avg_ber;
short *uncoded_ber_bit=NULL;
uint8_t N_RB_DL=25,osf=1;
......@@ -1465,12 +1422,9 @@ int main(int argc, char **argv)
char title[255];
int numCCE=0;
//int dci_length_bytes=0,dci_length=0;
//double channel_bandwidth = 5.0, sampling_rate=7.68;
int common_flag=0,TPC=0;
double cpu_freq_GHz;
// time_stats_t ts;//,sts,usts;
int avg_iter,iter_trials;
int rballocset=0;
int print_perf=0;
......@@ -2471,9 +2425,11 @@ int main(int argc, char **argv)
//PMI_FEEDBACK:
// printf("Trial %d : Round %d, pmi_feedback %d \n",trials,round,pmi_feedback);
for (aa=0; aa<eNB->frame_parms.nb_antennas_tx; aa++) {
memset(&eNB->common_vars.txdataF[eNB_id][aa][0],0,FRAME_LENGTH_COMPLEX_SAMPLES_NO_PREFIX*sizeof(int32_t));
}
for (p=0; p<NB_ANTENNA_PORTS_ENB; p++) {
if (p<frame_parms->nb_antenna_ports_eNB || p==5 || i==7 || i==8) {
memset(&eNB->common_vars.txdataF[eNB_id][p][0],0,FRAME_LENGTH_COMPLEX_SAMPLES_NO_PREFIX*sizeof(int32_t));
}
}
if (input_fd==NULL) {
......@@ -2555,18 +2511,6 @@ int main(int argc, char **argv)
start_meas(&eNB->ofdm_mod_stats);
/*
do_OFDM_mod_l(eNB->common_vars.txdataF[eNB_id],
eNB->common_vars.txdata[eNB_id],
(subframe*2),
&eNB->frame_parms);
do_OFDM_mod_l(eNB->common_vars.txdataF[eNB_id],
eNB->common_vars.txdata[eNB_id],
(subframe*2)+1,
&eNB->frame_parms);
*/
do_OFDM_mod_symbol(&eNB->common_vars,
eNB_id,
(subframe*2),
......@@ -2588,10 +2532,11 @@ int main(int argc, char **argv)
phy_procedures_eNB_TX(eNB,proc_eNB,no_relay,NULL,0,dci_flag);
do_OFDM_mod_l(eNB->common_vars.txdataF[eNB_id],
eNB->common_vars.txdata[eNB_id],
(subframe*2)+2,
&eNB->frame_parms);
do_OFDM_mod_symbol(&eNB->common_vars,
eNB_id,
(subframe*2)+2,
&eNB->frame_parms,
eNB->do_precoding);
proc_eNB->frame_tx++;
......@@ -2612,13 +2557,14 @@ int main(int argc, char **argv)
write_output("txsig0.m","txs0", &eNB->common_vars.txdata[eNB_id][0][subframe* eNB->frame_parms.samples_per_tti], eNB->frame_parms.samples_per_tti,1,1);
if (transmission_mode<7) {
write_output("txsigF0.m","txsF0", &eNB->common_vars.txdataF[eNB_id][0][subframe*nsymb*eNB->frame_parms.ofdm_symbol_size],nsymb*eNB->frame_parms.ofdm_symbol_size,1,1);
} else if (transmission_mode == 7) {
write_output("txsigF0.m","txsF0", &eNB->common_vars.txdataF[eNB_id][5][subframe*nsymb*eNB->frame_parms.ofdm_symbol_size],nsymb*eNB->frame_parms.ofdm_symbol_size,1,1);
write_output("txsigF0_BF.m","txsF0_BF", &eNB->common_vars.txdataF_BF[eNB_id][0][0],eNB->frame_parms.ofdm_symbol_size,1,1);
}
}
for (p=0; p<NB_ANTENNA_PORTS_ENB; p++) {
if (p<frame_parms->nb_antenna_ports_eNB || p==5 || p==7 || p==8) {
sprintf(fname,"txsigF%d.m",p);
sprintf(vname,"txsF%d",p);
write_output(fname,vname, &eNB->common_vars.txdataF[eNB_id][p][subframe*nsymb*eNB->frame_parms.ofdm_symbol_size],nsymb*eNB->frame_parms.ofdm_symbol_size,1,1);
}
}
}
}
DL_channel(eNB,UE,subframe,awgn_flag,SNR,tx_lev,hold_channel,abstx,num_rounds,trials,round,eNB2UE,s_re,s_im,r_re,r_im,csv_fd);
......
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