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GLONASS L2 CA Signal Addition

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Adds GLONASS L2 C/A signal processing to GNSS-SDR based on previous
work developed for the L1 signal. All code have been added in a single
commit with the idea to illustrate the process of signal addition for
future work
This commit is contained in:
Damian Miralles
2018-03-24 12:42:04 -06:00
parent 30d1494eec
commit 287d38dea2
55 changed files with 6959 additions and 74 deletions
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2
src/tests/CMakeLists.txt
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@@ -282,12 +282,14 @@ if(ENABLE_INSTALL_TESTS)
install(FILES ${CMAKE_SOURCE_DIR}/src/tests/signal_samples/Galileo_E1_ID_1_Fs_4Msps_8ms.dat DESTINATION share/gnss-sdr/signal_samples)
install(FILES ${CMAKE_SOURCE_DIR}/src/tests/signal_samples/GPS_L1_CA_ID_1_Fs_4Msps_2ms.dat DESTINATION share/gnss-sdr/signal_samples)
install(FILES ${CMAKE_SOURCE_DIR}/src/tests/signal_samples/NT1065_GLONASS_L1_20160831_fs6625e6_if0e3_4ms.bin DESTINATION share/gnss-sdr/signal_samples)
install(FILES ${CMAKE_SOURCE_DIR}/src/tests/signal_samples/NT1065_GLONASS_L2_20160831_fs6625e6_if0e3_4ms.bin DESTINATION share/gnss-sdr/signal_samples)
add_definitions(-DTEST_PATH="${CMAKE_INSTALL_PREFIX}/share/gnss-sdr/")
else(ENABLE_INSTALL_TESTS)
file(COPY ${CMAKE_SOURCE_DIR}/src/tests/signal_samples/GSoC_CTTC_capture_2012_07_26_4Msps_4ms.dat DESTINATION ${CMAKE_SOURCE_DIR}/thirdparty/signal_samples)
file(COPY ${CMAKE_SOURCE_DIR}/src/tests/signal_samples/Galileo_E1_ID_1_Fs_4Msps_8ms.dat DESTINATION ${CMAKE_SOURCE_DIR}/thirdparty/signal_samples)
file(COPY ${CMAKE_SOURCE_DIR}/src/tests/signal_samples/GPS_L1_CA_ID_1_Fs_4Msps_2ms.dat DESTINATION ${CMAKE_SOURCE_DIR}/thirdparty/signal_samples)
file(COPY ${CMAKE_SOURCE_DIR}/src/tests/signal_samples/NT1065_GLONASS_L1_20160831_fs6625e6_if0e3_4ms.bin DESTINATION ${CMAKE_SOURCE_DIR}/thirdparty/signal_samples)
file(COPY ${CMAKE_SOURCE_DIR}/src/tests/signal_samples/NT1065_GLONASS_L2_20160831_fs6625e6_if0e3_4ms.bin DESTINATION ${CMAKE_SOURCE_DIR}/thirdparty/signal_samples)
add_definitions(-DTEST_PATH="${CMAKE_SOURCE_DIR}/thirdparty/")
endif(ENABLE_INSTALL_TESTS)

1
src/tests/signal_samples/NT1065_GLONASS_L2_20160831_fs6625e6_if0e3_4ms.bin Normal file
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File diff suppressed because one or more lines are too long

1
src/tests/test_main.cc
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@@ -114,6 +114,7 @@ DECLARE_string(log_dir);
#include "unit-tests/signal-processing-blocks/acquisition/galileo_e1_pcps_quicksync_ambiguous_acquisition_gsoc2014_test.cc"
#include "unit-tests/signal-processing-blocks/acquisition/galileo_e5a_pcps_acquisition_gsoc2014_gensource_test.cc"
#include "unit-tests/signal-processing-blocks/acquisition/glonass_l1_ca_pcps_acquisition_gsoc2017_test.cc"
#include "unit-tests/signal-processing-blocks/acquisition/glonass_l2_ca_pcps_acquisition_test.cc"
#if OPENCL_BLOCKS_TEST
#include "unit-tests/signal-processing-blocks/acquisition/gps_l1_ca_pcps_opencl_acquisition_gsoc2013_test.cc"

669
src/tests/unit-tests/signal-processing-blocks/acquisition/glonass_l2_ca_pcps_acquisition_test.cc Normal file
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@@ -0,0 +1,669 @@
/*!
* \file glonass_l2_ca_pcps_acquisition_test.cc
* \brief Tests a PCPS acquisition block for Glonass L2 C/A signals
* \author Damian Miralles, 2018, dmiralles2009(at)gmail.com
*
*
* -------------------------------------------------------------------------
*
* Copyright (C) 2010-2017 (see AUTHORS file for a list of contributors)
*
* GNSS-SDR is a software defined Global Navigation
* Satellite Systems receiver
*
* This file is part of GNSS-SDR.
*
* GNSS-SDR is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GNSS-SDR is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
*
* -------------------------------------------------------------------------
*/
#include <chrono>
#include <gnuradio/top_block.h>
#include <gnuradio/blocks/file_source.h>
#include <gnuradio/analog/sig_source_waveform.h>
#include <gnuradio/analog/sig_source_c.h>
#include <gnuradio/msg_queue.h>
#include <gnuradio/blocks/null_sink.h>
#include <gtest/gtest.h>
#include "gnss_block_interface.h"
#include "in_memory_configuration.h"
#include "configuration_interface.h"
#include "gnss_synchro.h"
#include "glonass_l2_ca_pcps_acquisition.h"
#include "signal_generator.h"
#include "signal_generator_c.h"
#include "fir_filter.h"
#include "gen_signal_source.h"
#include "gnss_sdr_valve.h"
#include "boost/shared_ptr.hpp"
#include "pass_through.h"
// ######## GNURADIO BLOCK MESSAGE RECEVER #########
class GlonassL2CaPcpsAcquisitionTest_msg_rx;
typedef boost::shared_ptr<GlonassL2CaPcpsAcquisitionTest_msg_rx> GlonassL2CaPcpsAcquisitionTest_msg_rx_sptr;
GlonassL2CaPcpsAcquisitionTest_msg_rx_sptr GlonassL2CaPcpsAcquisitionTest_msg_rx_make(concurrent_queue<int>& queue);
class GlonassL2CaPcpsAcquisitionTest_msg_rx : public gr::block
{
private:
friend GlonassL2CaPcpsAcquisitionTest_msg_rx_sptr GlonassL2CaPcpsAcquisitionTest_msg_rx_make(concurrent_queue<int>& queue);
void msg_handler_events(pmt::pmt_t msg);
GlonassL2CaPcpsAcquisitionTest_msg_rx(concurrent_queue<int>& queue);
concurrent_queue<int>& channel_internal_queue;
public:
int rx_message;
~GlonassL2CaPcpsAcquisitionTest_msg_rx(); //!< Default destructor
};
GlonassL2CaPcpsAcquisitionTest_msg_rx_sptr GlonassL2CaPcpsAcquisitionTest_msg_rx_make(concurrent_queue<int>& queue)
{
return GlonassL2CaPcpsAcquisitionTest_msg_rx_sptr(new GlonassL2CaPcpsAcquisitionTest_msg_rx(queue));
}
void GlonassL2CaPcpsAcquisitionTest_msg_rx::msg_handler_events(pmt::pmt_t msg)
{
try
{
long int message = pmt::to_long(msg);
rx_message = message;
channel_internal_queue.push(rx_message);
}
catch (boost::bad_any_cast& e)
{
LOG(WARNING) << "msg_handler_telemetry Bad any cast!";
rx_message = 0;
}
}
GlonassL2CaPcpsAcquisitionTest_msg_rx::GlonassL2CaPcpsAcquisitionTest_msg_rx(concurrent_queue<int>& queue) : gr::block("GlonassL2CaPcpsAcquisitionTest_msg_rx", gr::io_signature::make(0, 0, 0), gr::io_signature::make(0, 0, 0)), channel_internal_queue(queue)
{
this->message_port_register_in(pmt::mp("events"));
this->set_msg_handler(pmt::mp("events"), boost::bind(&GlonassL2CaPcpsAcquisitionTest_msg_rx::msg_handler_events, this, _1));
rx_message = 0;
}
GlonassL2CaPcpsAcquisitionTest_msg_rx::~GlonassL2CaPcpsAcquisitionTest_msg_rx()
{
}
// ###########################################################
class GlonassL2CaPcpsAcquisitionTest : public ::testing::Test
{
protected:
GlonassL2CaPcpsAcquisitionTest()
{
item_size = sizeof(gr_complex);
stop = false;
message = 0;
gnss_synchro = Gnss_Synchro();
acquisition = 0;
init();
}
~GlonassL2CaPcpsAcquisitionTest()
{
}
void init();
void config_1();
void config_2();
void start_queue();
void wait_message();
void process_message();
void stop_queue();
concurrent_queue<int> channel_internal_queue;
gr::msg_queue::sptr queue;
gr::top_block_sptr top_block;
GlonassL2CaPcpsAcquisition* acquisition;
std::shared_ptr<InMemoryConfiguration> config;
Gnss_Synchro gnss_synchro;
size_t item_size;
bool stop;
int message;
boost::thread ch_thread;
unsigned int integration_time_ms = 0;
unsigned int fs_in = 0;
double expected_delay_chips = 0.0;
double expected_doppler_hz = 0.0;
float max_doppler_error_hz = 0.0;
float max_delay_error_chips = 0.0;
unsigned int num_of_realizations = 0;
unsigned int realization_counter;
unsigned int detection_counter;
unsigned int correct_estimation_counter;
unsigned int acquired_samples;
unsigned int mean_acq_time_us;
double mse_doppler;
double mse_delay;
double Pd;
double Pfa_p;
double Pfa_a;
};
void GlonassL2CaPcpsAcquisitionTest::init()
{
message = 0;
realization_counter = 0;
detection_counter = 0;
correct_estimation_counter = 0;
acquired_samples = 0;
mse_doppler = 0;
mse_delay = 0;
mean_acq_time_us = 0;
Pd = 0;
Pfa_p = 0;
Pfa_a = 0;
}
void GlonassL2CaPcpsAcquisitionTest::config_1()
{
gnss_synchro.Channel_ID = 0;
gnss_synchro.System = 'R';
std::string signal = "2G";
signal.copy(gnss_synchro.Signal, 2, 0);
integration_time_ms = 1;
fs_in = 31.75e6;
expected_delay_chips = 255;
expected_doppler_hz = -1500;
max_doppler_error_hz = 2 / (3 * integration_time_ms * 1e-3);
max_delay_error_chips = 0.50;
num_of_realizations = 1;
config = std::make_shared<InMemoryConfiguration>();
config->set_property("GNSS-SDR.internal_fs_sps", std::to_string(fs_in));
config->set_property("SignalSource.fs_hz", std::to_string(fs_in));
config->set_property("SignalSource.item_type", "gr_complex");
config->set_property("SignalSource.num_satellites", "1");
config->set_property("SignalSource.system_0", "R");
config->set_property("SignalSource.PRN_0", "10");
config->set_property("SignalSource.CN0_dB_0", "44");
config->set_property("SignalSource.doppler_Hz_0", std::to_string(expected_doppler_hz));
config->set_property("SignalSource.delay_chips_0", std::to_string(expected_delay_chips));
config->set_property("SignalSource.noise_flag", "false");
config->set_property("SignalSource.data_flag", "false");
config->set_property("SignalSource.BW_BB", "0.97");
config->set_property("InputFilter.implementation", "Fir_Filter");
config->set_property("InputFilter.input_item_type", "gr_complex");
config->set_property("InputFilter.output_item_type", "gr_complex");
config->set_property("InputFilter.taps_item_type", "float");
config->set_property("InputFilter.number_of_taps", "11");
config->set_property("InputFilter.number_of_bands", "2");
config->set_property("InputFilter.band1_begin", "0.0");
config->set_property("InputFilter.band1_end", "0.97");
config->set_property("InputFilter.band2_begin", "0.98");
config->set_property("InputFilter.band2_end", "1.0");
config->set_property("InputFilter.ampl1_begin", "1.0");
config->set_property("InputFilter.ampl1_end", "1.0");
config->set_property("InputFilter.ampl2_begin", "0.0");
config->set_property("InputFilter.ampl2_end", "0.0");
config->set_property("InputFilter.band1_error", "1.0");
config->set_property("InputFilter.band2_error", "1.0");
config->set_property("InputFilter.filter_type", "bandpass");
config->set_property("InputFilter.grid_density", "16");
config->set_property("Acquisition.item_type", "gr_complex");
config->set_property("Acquisition.if", "4000000");
config->set_property("Acquisition.coherent_integration_time_ms",
std::to_string(integration_time_ms));
config->set_property("Acquisition.max_dwells", "1");
config->set_property("Acquisition.implementation", "GLONASS_L2_CA_PCPS_Acquisition");
config->set_property("Acquisition.threshold", "0.8");
config->set_property("Acquisition.doppler_max", "10000");
config->set_property("Acquisition.doppler_step", "250");
config->set_property("Acquisition.bit_transition_flag", "false");
config->set_property("Acquisition.dump", "false");
}
void GlonassL2CaPcpsAcquisitionTest::config_2()
{
gnss_synchro.Channel_ID = 0;
gnss_synchro.System = 'R';
std::string signal = "2G";
signal.copy(gnss_synchro.Signal, 2, 0);
integration_time_ms = 1;
fs_in = 31.75e6;
expected_delay_chips = 374;
expected_doppler_hz = -2000;
max_doppler_error_hz = 2 / (3 * integration_time_ms * 1e-3);
max_delay_error_chips = 0.50;
num_of_realizations = 100;
config = std::make_shared<InMemoryConfiguration>();
config->set_property("GNSS-SDR.internal_fs_sps", std::to_string(fs_in));
config->set_property("SignalSource.fs_hz", std::to_string(fs_in));
config->set_property("SignalSource.item_type", "gr_complex");
config->set_property("SignalSource.num_satellites", "4");
config->set_property("SignalSource.system_0", "R");
config->set_property("SignalSource.PRN_0", "10");
config->set_property("SignalSource.CN0_dB_0", "44");
config->set_property("SignalSource.doppler_Hz_0", std::to_string(expected_doppler_hz));
config->set_property("SignalSource.delay_chips_0", std::to_string(expected_delay_chips));
config->set_property("SignalSource.system_1", "R");
config->set_property("SignalSource.PRN_1", "15");
config->set_property("SignalSource.CN0_dB_1", "44");
config->set_property("SignalSource.doppler_Hz_1", "1000");
config->set_property("SignalSource.delay_chips_1", "100");
config->set_property("SignalSource.system_2", "R");
config->set_property("SignalSource.PRN_2", "21");
config->set_property("SignalSource.CN0_dB_2", "44");
config->set_property("SignalSource.doppler_Hz_2", "2000");
config->set_property("SignalSource.delay_chips_2", "200");
config->set_property("SignalSource.system_3", "R");
config->set_property("SignalSource.PRN_3", "22");
config->set_property("SignalSource.CN0_dB_3", "44");
config->set_property("SignalSource.doppler_Hz_3", "3000");
config->set_property("SignalSource.delay_chips_3", "300");
config->set_property("SignalSource.noise_flag", "true");
config->set_property("SignalSource.data_flag", "true");
config->set_property("SignalSource.BW_BB", "0.97");
config->set_property("InputFilter.implementation", "Fir_Filter");
config->set_property("InputFilter.input_item_type", "gr_complex");
config->set_property("InputFilter.output_item_type", "gr_complex");
config->set_property("InputFilter.taps_item_type", "float");
config->set_property("InputFilter.number_of_taps", "11");
config->set_property("InputFilter.number_of_bands", "2");
config->set_property("InputFilter.band1_begin", "0.0");
config->set_property("InputFilter.band1_end", "0.97");
config->set_property("InputFilter.band2_begin", "0.98");
config->set_property("InputFilter.band2_end", "1.0");
config->set_property("InputFilter.ampl1_begin", "1.0");
config->set_property("InputFilter.ampl1_end", "1.0");
config->set_property("InputFilter.ampl2_begin", "0.0");
config->set_property("InputFilter.ampl2_end", "0.0");
config->set_property("InputFilter.band1_error", "1.0");
config->set_property("InputFilter.band2_error", "1.0");
config->set_property("InputFilter.filter_type", "bandpass");
config->set_property("InputFilter.grid_density", "16");
config->set_property("Acquisition.item_type", "gr_complex");
config->set_property("Acquisition.if", "4000000");
config->set_property("Acquisition.coherent_integration_time_ms",
std::to_string(integration_time_ms));
config->set_property("Acquisition.max_dwells", "1");
config->set_property("Acquisition.implementation", "GLONASS_L2_CA_PCPS_Acquisition");
config->set_property("Acquisition.pfa", "0.1");
config->set_property("Acquisition.doppler_max", "10000");
config->set_property("Acquisition.doppler_step", "250");
config->set_property("Acquisition.bit_transition_flag", "false");
config->set_property("Acquisition.dump", "false");
}
void GlonassL2CaPcpsAcquisitionTest::start_queue()
{
stop = false;
ch_thread = boost::thread(&GlonassL2CaPcpsAcquisitionTest::wait_message, this);
}
void GlonassL2CaPcpsAcquisitionTest::wait_message()
{
struct timeval tv;
long long int begin = 0;
long long int end = 0;
while (!stop)
{
acquisition->reset();
gettimeofday(&tv, NULL);
begin = tv.tv_sec * 1e6 + tv.tv_usec;
channel_internal_queue.wait_and_pop(message);
gettimeofday(&tv, NULL);
end = tv.tv_sec * 1e6 + tv.tv_usec;
mean_acq_time_us += (end - begin);
process_message();
}
}
void GlonassL2CaPcpsAcquisitionTest::process_message()
{
if (message == 1)
{
detection_counter++;
// The term -5 is here to correct the additional delay introduced by the FIR filter
// The value 511.0 must be a variable, chips/length
double delay_error_chips = std::abs(static_cast<double>(expected_delay_chips) - (static_cast<double>(gnss_synchro.Acq_delay_samples) - 5.0) * 511.0 / (static_cast<double>(fs_in) * 1e-3));
double doppler_error_hz = std::abs(expected_doppler_hz - gnss_synchro.Acq_doppler_hz);
mse_delay += std::pow(delay_error_chips, 2);
mse_doppler += std::pow(doppler_error_hz, 2);
if ((delay_error_chips < max_delay_error_chips) && (doppler_error_hz < max_doppler_error_hz))
{
correct_estimation_counter++;
}
}
realization_counter++;
std::cout << "Progress: " << round(static_cast<float>(realization_counter) / static_cast<float>(num_of_realizations) * 100.0) << "% \r" << std::flush;
if (realization_counter == num_of_realizations)
{
mse_delay /= num_of_realizations;
mse_doppler /= num_of_realizations;
Pd = static_cast<double>(correct_estimation_counter) / static_cast<double>(num_of_realizations);
Pfa_a = static_cast<double>(detection_counter) / static_cast<double>(num_of_realizations);
Pfa_p = (static_cast<double>(detection_counter) - static_cast<double>(correct_estimation_counter)) / static_cast<double>(num_of_realizations);
mean_acq_time_us /= num_of_realizations;
stop_queue();
top_block->stop();
}
}
void GlonassL2CaPcpsAcquisitionTest::stop_queue()
{
stop = true;
}
TEST_F(GlonassL2CaPcpsAcquisitionTest, Instantiate)
{
config_1();
acquisition = new GlonassL2CaPcpsAcquisition(config.get(), "Acquisition", 1, 1);
delete acquisition;
}
TEST_F(GlonassL2CaPcpsAcquisitionTest, ConnectAndRun)
{
int nsamples = floor(fs_in * integration_time_ms * 1e-3);
std::chrono::time_point<std::chrono::system_clock> begin, end;
std::chrono::duration<double> elapsed_seconds(0);
queue = gr::msg_queue::make(0);
top_block = gr::make_top_block("Acquisition test");
config_1();
acquisition = new GlonassL2CaPcpsAcquisition(config.get(), "Acquisition", 1, 1);
boost::shared_ptr<GlonassL2CaPcpsAcquisitionTest_msg_rx> msg_rx = GlonassL2CaPcpsAcquisitionTest_msg_rx_make(channel_internal_queue);
ASSERT_NO_THROW({
acquisition->connect(top_block);
boost::shared_ptr<gr::analog::sig_source_c> source = gr::analog::sig_source_c::make(fs_in, gr::analog::GR_SIN_WAVE, 1000, 1, gr_complex(0));
boost::shared_ptr<gr::block> valve = gnss_sdr_make_valve(sizeof(gr_complex), nsamples, queue);
top_block->connect(source, 0, valve, 0);
top_block->connect(valve, 0, acquisition->get_left_block(), 0);
top_block->msg_connect(acquisition->get_right_block(), pmt::mp("events"), msg_rx, pmt::mp("events"));
}) << "Failure connecting the blocks of acquisition test.";
EXPECT_NO_THROW({
begin = std::chrono::system_clock::now();
top_block->run(); // Start threads and wait
end = std::chrono::system_clock::now();
elapsed_seconds = end - begin;
}) << "Failure running the top_block.";
std::cout << "Processed " << nsamples << " samples in " << elapsed_seconds.count() * 1e6 << " microseconds" << std::endl;
delete acquisition;
}
TEST_F(GlonassL2CaPcpsAcquisitionTest, ValidationOfResults)
{
config_1();
queue = gr::msg_queue::make(0);
top_block = gr::make_top_block("Acquisition test");
acquisition = new GlonassL2CaPcpsAcquisition(config.get(), "Acquisition", 1, 1);
boost::shared_ptr<GlonassL2CaPcpsAcquisitionTest_msg_rx> msg_rx = GlonassL2CaPcpsAcquisitionTest_msg_rx_make(channel_internal_queue);
ASSERT_NO_THROW({
acquisition->set_channel(1);
}) << "Failure setting channel.";
ASSERT_NO_THROW({
acquisition->set_gnss_synchro(&gnss_synchro);
}) << "Failure setting gnss_synchro.";
ASSERT_NO_THROW({
acquisition->set_doppler_max(10000);
}) << "Failure setting doppler_max.";
ASSERT_NO_THROW({
acquisition->set_doppler_step(500);
}) << "Failure setting doppler_step.";
ASSERT_NO_THROW({
acquisition->set_threshold(0.5);
}) << "Failure setting threshold.";
ASSERT_NO_THROW({
acquisition->connect(top_block);
top_block->msg_connect(acquisition->get_right_block(), pmt::mp("events"), msg_rx, pmt::mp("events"));
}) << "Failure connecting acquisition to the top_block.";
acquisition->init();
ASSERT_NO_THROW({
boost::shared_ptr<GenSignalSource> signal_source;
SignalGenerator* signal_generator = new SignalGenerator(config.get(), "SignalSource", 0, 1, queue);
FirFilter* filter = new FirFilter(config.get(), "InputFilter", 1, 1);
signal_source.reset(new GenSignalSource(signal_generator, filter, "SignalSource", queue));
signal_source->connect(top_block);
top_block->connect(signal_source->get_right_block(), 0, acquisition->get_left_block(), 0);
}) << "Failure connecting the blocks of acquisition test.";
// i = 0 --> satellite in acquisition is visible
// i = 1 --> satellite in acquisition is not visible
for (unsigned int i = 0; i < 2; i++)
{
init();
if (i == 0)
{
gnss_synchro.PRN = 10; // This satellite is visible
}
else if (i == 1)
{
gnss_synchro.PRN = 20; // This satellite is not visible
}
acquisition->set_local_code();
acquisition->set_state(1); // Ensure that acquisition starts at the first sample
start_queue();
EXPECT_NO_THROW({
top_block->run(); // Start threads and wait
}) << "Failure running the top_block.";
if (i == 0)
{
EXPECT_EQ(1, message) << "Acquisition failure. Expected message: 1=ACQ SUCCESS.";
if (message == 1)
{
EXPECT_EQ(static_cast<unsigned int>(1), correct_estimation_counter) << "Acquisition failure. Incorrect parameters estimation.";
}
}
else if (i == 1)
{
EXPECT_EQ(2, message) << "Acquisition failure. Expected message: 2=ACQ FAIL.";
}
#ifdef OLD_BOOST
ASSERT_NO_THROW({
ch_thread.timed_join(boost::posix_time::seconds(1));
}) << "Failure while waiting the queue to stop.";
#endif
#ifndef OLD_BOOST
ASSERT_NO_THROW({
ch_thread.try_join_until(boost::chrono::steady_clock::now() + boost::chrono::milliseconds(50));
}) << "Failure while waiting the queue to stop";
#endif
}
delete acquisition;
}
TEST_F(GlonassL2CaPcpsAcquisitionTest, ValidationOfResultsProbabilities)
{
config_2();
queue = gr::msg_queue::make(0);
top_block = gr::make_top_block("Acquisition test");
acquisition = new GlonassL2CaPcpsAcquisition(config.get(), "Acquisition", 1, 1);
boost::shared_ptr<GlonassL2CaPcpsAcquisitionTest_msg_rx> msg_rx = GlonassL2CaPcpsAcquisitionTest_msg_rx_make(channel_internal_queue);
ASSERT_NO_THROW({
acquisition->set_channel(1);
}) << "Failure setting channel."
<< std::endl;
ASSERT_NO_THROW({
acquisition->set_gnss_synchro(&gnss_synchro);
}) << "Failure setting gnss_synchro."
<< std::endl;
ASSERT_NO_THROW({
acquisition->set_doppler_max(config->property("Acquisition.doppler_max", 10000));
}) << "Failure setting doppler_max."
<< std::endl;
ASSERT_NO_THROW({
acquisition->set_doppler_step(config->property("Acquisition.doppler_step", 500));
}) << "Failure setting doppler_step."
<< std::endl;
ASSERT_NO_THROW({
acquisition->set_threshold(config->property("Acquisition.threshold", 0.0));
}) << "Failure setting threshold."
<< std::endl;
ASSERT_NO_THROW({
acquisition->connect(top_block);
top_block->msg_connect(acquisition->get_right_block(), pmt::mp("events"), msg_rx, pmt::mp("events"));
}) << "Failure connecting acquisition to the top_block."
<< std::endl;
acquisition->init();
ASSERT_NO_THROW({
boost::shared_ptr<GenSignalSource> signal_source;
SignalGenerator* signal_generator = new SignalGenerator(config.get(), "SignalSource", 0, 1, queue);
FirFilter* filter = new FirFilter(config.get(), "InputFilter", 1, 1);
signal_source.reset(new GenSignalSource(signal_generator, filter, "SignalSource", queue));
signal_source->connect(top_block);
top_block->connect(signal_source->get_right_block(), 0, acquisition->get_left_block(), 0);
}) << "Failure connecting the blocks of acquisition test."
<< std::endl;
std::cout << "Probability of false alarm (target) = " << 0.1 << std::endl;
// i = 0 --> satellite in acquisition is visible (prob of detection and prob of detection with wrong estimation)
// i = 1 --> satellite in acquisition is not visible (prob of false detection)
for (unsigned int i = 0; i < 2; i++)
{
init();
if (i == 0)
{
gnss_synchro.PRN = 10; // This satellite is visible
}
else if (i == 1)
{
gnss_synchro.PRN = 1; // This satellite is not visible
}
acquisition->set_local_code();
start_queue();
EXPECT_NO_THROW({
top_block->run(); // Start threads and wait
}) << "Failure running the top_block."
<< std::endl;
if (i == 0)
{
std::cout << "Estimated probability of detection = " << Pd << std::endl;
std::cout << "Estimated probability of false alarm (satellite present) = " << Pfa_p << std::endl;
std::cout << "Mean acq time = " << mean_acq_time_us << " microseconds." << std::endl;
}
else if (i == 1)
{
std::cout << "Estimated probability of false alarm (satellite absent) = " << Pfa_a << std::endl;
std::cout << "Mean acq time = " << mean_acq_time_us << " microseconds." << std::endl;
}
#ifdef OLD_BOOST
ASSERT_NO_THROW({
ch_thread.timed_join(boost::posix_time::seconds(1));
}) << "Failure while waiting the queue to stop"
<< std::endl;
#endif
#ifndef OLD_BOOST
ASSERT_NO_THROW({
ch_thread.try_join_until(boost::chrono::steady_clock::now() + boost::chrono::milliseconds(50));
}) << "Failure while waiting the queue to stop"
<< std::endl;
#endif
}
delete acquisition;
}