maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Fix nr_pbchsim to avoid multiple ffo compensations for each trial on input samples

Browse Source
This commit is contained in:
luis_pereira87
2022-01-04 11:52:16 +00:00
parent 1be69de2e6
commit 8a428d734e
1 changed files with 12 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair1/SIMULATION/NR_PHY/pbchsim.c
+12 -13
View File
@@ -655,13 +655,6 @@ int main(int argc, char **argv)
frame_parms->ofdm_symbol_size + frame_parms->nb_prefix_samples); frame_parms->ofdm_symbol_size + frame_parms->nb_prefix_samples);
printf("txlev %d (%f)\n",txlev,10*log10(txlev));*/ printf("txlev %d (%f)\n",txlev,10*log10(txlev));*/
for (i=0; i<frame_length_complex_samples; i++) {
for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
r_re[aa][i] = ((double)(((short *)txdata[aa]))[(i<<1)]);
r_im[aa][i] = ((double)(((short *)txdata[aa]))[(i<<1)+1]);
}
}
for (SNR=snr0; SNR<snr1; SNR+=.2) { for (SNR=snr0; SNR<snr1; SNR+=.2) {
@@ -669,6 +662,14 @@ int main(int argc, char **argv)
n_errors_payload = 0; n_errors_payload = 0;
for (trial=0; trial<n_trials; trial++) { for (trial=0; trial<n_trials; trial++) {
for (i=0; i<frame_length_complex_samples; i++) {
for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
r_re[aa][i] = ((double)(((short *)txdata[aa]))[(i<<1)]);
r_im[aa][i] = ((double)(((short *)txdata[aa]))[(i<<1)+1]);
}
}
// multipath channel // multipath channel
//multipath_channel(gNB2UE,s_re,s_im,r_re,r_im,frame_length_complex_samples,0); //multipath_channel(gNB2UE,s_re,s_im,r_re,r_im,frame_length_complex_samples,0);
@@ -697,13 +698,11 @@ int main(int argc, char **argv)
0.0, // IQ imbalance (dB), 0.0, // IQ imbalance (dB),
0.0); // IQ phase imbalance (rad) 0.0); // IQ phase imbalance (rad)
for (i=0; i<frame_length_complex_samples; i++) { for (i=0; i<frame_length_complex_samples; i++) {
for (aa=0; aa<frame_parms->nb_antennas_rx; aa++) { for (aa=0; aa<frame_parms->nb_antennas_rx; aa++) {
((short*) UE->common_vars.rxdata[aa])[2*i] = (short) ((r_re[aa][i] + sqrt(sigma2/2)*gaussdouble(0.0,1.0)));
((short*) UE->common_vars.rxdata[aa])[2*i] = (short) ((r_re[aa][i] + sqrt(sigma2/2)*gaussdouble(0.0,1.0))); ((short*) UE->common_vars.rxdata[aa])[2*i+1] = (short) ((r_im[aa][i] + sqrt(sigma2/2)*gaussdouble(0.0,1.0)));
((short*) UE->common_vars.rxdata[aa])[2*i+1] = (short) ((r_im[aa][i] + sqrt(sigma2/2)*gaussdouble(0.0,1.0))); }
}
} }
if (n_trials==1) { if (n_trials==1) {