mirrors/gnss-sdr
1
0
Fork 0
mirror of https://github.com/gnss-sdr/gnss-sdr synced 2024-12-14 12:10:34 +00:00
Code Issues Releases Wiki Activity

Add work on Gal E5b acq test

Browse Source
This commit is contained in:
Carles Fernandez 2020-07-11 13:53:47 +02:00
parent c7cd0ee9ad
commit 6c7eaf55da
No known key found for this signature in database
GPG Key ID: 4C583C52B0C3877D
1 changed files with 24 additions and 53 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

77
src/tests/unit-tests/signal-processing-blocks/acquisition/galileo_e5b_pcps_acquisition_test.cc
View File

@ -131,6 +131,7 @@ protected:
item_size = sizeof(gr_complex);
gnss_synchro = Gnss_Synchro();
stop = false;
message = 0;
}
~GalileoE5bPcpsAcquisitionTest() = default;
@ -154,41 +155,32 @@ protected:
Gnss_Synchro gnss_synchro;
size_t item_size;
double fs_in = 12e6;
bool stop;
int message;
std::thread ch_thread;
unsigned int num_of_realizations = 10;
unsigned int realization_counter;
unsigned int detection_counter;
unsigned int correct_estimation_counter;
unsigned int acquired_samples;
unsigned int mean_acq_time_us;
double expected_doppler_hz = -632;
double expected_delay_chips = 53;
double expected_delay_sec = 94;
unsigned int num_of_realizations = 1;
unsigned int realization_counter = 0;
unsigned int detection_counter = 0;
unsigned int correct_estimation_counter = 0;
unsigned int acquired_samples = 0;
unsigned int mean_acq_time_us = 0;
double expected_doppler_hz = -632.0;
double expected_delay_chips = round(14000.0 * 10230000.0 / static_cast<double>(fs_in));
double expected_delay_sec = 10.0;
double expected_delay_chips1 = 0.0;
double expected_delay_sec1 = 0.0;
double expected_doppler_hz1 = 0.0;
double expected_delay_chips2 = 0.0;
double expected_delay_sec2 = 0.0;
double expected_doppler_hz2 = 0.0;
double expected_delay_chips3 = 0.0;
double expected_delay_sec3 = 0.0;
double expected_doppler_hz3 = 0.0;
float max_doppler_error_hz = 0.0;
float max_delay_error_chips = 0.0;
double fs_in = 12e6;
float integration_time_ms = 1;
float max_doppler_error_hz = 2 / (3 * integration_time_ms * 1e-3);
float max_delay_error_chips = 0.5;
double mse_doppler;
double mse_delay;
double Pd;
double Pfa_p;
double Pfa_a;
double mse_doppler = 0.0;
double mse_delay = 0.0;
int sat = 0;
double Pd = 0.0;
double Pfa_p = 0.0;
double Pfa_a = 0.0;
};
@ -233,7 +225,7 @@ void GalileoE5bPcpsAcquisitionTest::init()
config->set_property("InputFilter.filter_type", "bandpass");
config->set_property("InputFilter.grid_density", "16");
config->set_property("Acquisition_7X.item_type", "gr_complex");
config->set_property("Acquisition_7X.coherent_integration_time_ms", "1");
config->set_property("Acquisition_7X.coherent_integration_time_ms", std::to_string(integration_time_ms));
config->set_property("Acquisition_7X.dump", "true");
config->set_property("Acquisition_7X.dump_filename", "./acquisition");
config->set_property("Acquisition_7X.implementation", "Galileo_E5b_PCPS_Acquisition");
@ -277,32 +269,11 @@ void GalileoE5bPcpsAcquisitionTest::process_message()
{
if (message == 1)
{
double delay_error_chips = 0.0;
double doppler_error_hz = 0.0;
switch (sat)
{
case 0:
delay_error_chips = std::abs(static_cast<double>(expected_delay_chips) - static_cast<double>(gnss_synchro.Acq_delay_samples - 5) * 10230.0 / (static_cast<double>(fs_in) * 1e-3));
doppler_error_hz = std::abs(expected_doppler_hz - gnss_synchro.Acq_doppler_hz);
break;
case 1:
delay_error_chips = std::abs(static_cast<double>(expected_delay_chips1) - static_cast<double>(gnss_synchro.Acq_delay_samples - 5) * 10230.0 / (static_cast<double>(fs_in) * 1e-3));
doppler_error_hz = std::abs(expected_doppler_hz1 - gnss_synchro.Acq_doppler_hz);
break;
case 2:
delay_error_chips = std::abs(static_cast<double>(expected_delay_chips2) - static_cast<double>(gnss_synchro.Acq_delay_samples - 5) * 10230.0 / (static_cast<double>(fs_in) * 1e-3));
doppler_error_hz = std::abs(expected_doppler_hz2 - gnss_synchro.Acq_doppler_hz);
break;
case 3:
delay_error_chips = std::abs(static_cast<double>(expected_delay_chips3) - static_cast<double>(gnss_synchro.Acq_delay_samples - 5) * 10230.0 / (static_cast<double>(fs_in) * 1e-3));
doppler_error_hz = std::abs(expected_doppler_hz3 - gnss_synchro.Acq_doppler_hz);
break;
default: // case 3
std::cout << "Error: message from unexpected acquisition channel\n";
break;
}
double delay_error_chips = std::abs(static_cast<double>(expected_delay_chips) - static_cast<double>(gnss_synchro.Acq_delay_samples - 5) * 10230.0 / (static_cast<double>(fs_in) * 1e-3));
double doppler_error_hz = std::abs(expected_doppler_hz - gnss_synchro.Acq_doppler_hz);
detection_counter++;
std::cout << "delay_error_chips: " << delay_error_chips << '\n';
std::cout << "expected_delay_chips: " << expected_delay_chips << '\n';
// The term -5 is here to correct the additional delay introduced by the FIR filter
/*
double delay_error_chips = abs((double)expected_delay_chips - (double)(gnss_synchro.Acq_delay_samples-5)*10230.0/((double)fs_in*1e-3));