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Add nr_pbchsim option to select random number seed

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This commit is contained in:
Robert Schmidt
2022-01-06 11:05:26 +01:00
parent b6b79d555e
commit 513eebee1e
1 changed files with 11 additions and 4 deletions
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openair1/SIMULATION/NR_PHY/pbchsim.c
+11 -4
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@@ -203,15 +203,15 @@ int main(int argc, char **argv)
float target_error_rate = 0.01; float target_error_rate = 0.01;
int seed = 0;
cpuf = get_cpu_freq_GHz(); cpuf = get_cpu_freq_GHz();
if ( load_configmodule(argc,argv,CONFIG_ENABLECMDLINEONLY) == 0) { if ( load_configmodule(argc,argv,CONFIG_ENABLECMDLINEONLY) == 0) {
exit_fun("[NR_PBCHSIM] Error, configuration module init failed\n"); exit_fun("[NR_PBCHSIM] Error, configuration module init failed\n");
} }
randominit(0); while ((c = getopt (argc, argv, "F:g:hIL:m:M:n:N:o:P:r:R:s:S:x:y:z:")) != -1) {
while ((c = getopt (argc, argv, "F:g:hIL:m:M:n:N:o:P:R:s:S:x:y:z:")) != -1) {
switch (c) { switch (c) {
/*case 'f': /*case 'f':
write_output_file=1; write_output_file=1;
@@ -336,6 +336,10 @@ int main(int argc, char **argv)
break; break;
*/ */
case 'r':
seed = atoi(optarg);
break;
case 'R': case 'R':
N_RB_DL = atoi(optarg); N_RB_DL = atoi(optarg);
break; break;
@@ -389,7 +393,7 @@ int main(int argc, char **argv)
default: default:
case 'h': case 'h':
printf("%s -F input_filename -g channel_mod -h(elp) -I(nitial sync) -L log_lvl -n n_frames -M SSBs -n frames -N cell_id -o FO -P phase -R RBs -s snr0 -S snr1 -x transmission_mode -y TXant -z RXant\n", printf("%s -F input_filename -g channel_mod -h(elp) -I(nitial sync) -L log_lvl -n n_frames -M SSBs -n frames -N cell_id -o FO -P phase -r seed -R RBs -s snr0 -S snr1 -x transmission_mode -y TXant -z RXant\n",
argv[0]); argv[0]);
//printf("-A Interpolation_filname Run with Abstraction to generate Scatter plot using interpolation polynomial in file\n"); //printf("-A Interpolation_filname Run with Abstraction to generate Scatter plot using interpolation polynomial in file\n");
//printf("-C Generate Calibration information for Abstraction (effective SNR adjustment to remove Pe bias w.r.t. AWGN)\n"); //printf("-C Generate Calibration information for Abstraction (effective SNR adjustment to remove Pe bias w.r.t. AWGN)\n");
@@ -410,6 +414,7 @@ int main(int argc, char **argv)
//printf("-O oversampling factor (1,2,4,8,16)\n"); //printf("-O oversampling factor (1,2,4,8,16)\n");
//printf("-p Use extended prefix mode\n"); //printf("-p Use extended prefix mode\n");
printf("-P PBCH phase, allowed values 0-3\n"); printf("-P PBCH phase, allowed values 0-3\n");
printf("-r set the random number generator seed (default: 0 = current time)\n");
printf("-R N_RB_DL\n"); printf("-R N_RB_DL\n");
printf("-s Starting SNR, runs from SNR0 to SNR0 + 10 dB if not -S given. If -n 1, then just SNR is simulated\n"); printf("-s Starting SNR, runs from SNR0 to SNR0 + 10 dB if not -S given. If -n 1, then just SNR is simulated\n");
printf("-S Ending SNR, runs from SNR0 to SNR1\n"); printf("-S Ending SNR, runs from SNR0 to SNR1\n");
@@ -422,6 +427,8 @@ int main(int argc, char **argv)
} }
} }
randominit(seed);
logInit(); logInit();
set_glog(loglvl); set_glog(loglvl);
T_stdout = 1; T_stdout = 1;