mirrors/gnss-sdr
1
0
Fork 0
mirror of https://github.com/gnss-sdr/gnss-sdr synced 2024-11-20 00:34:57 +00:00
Code Issues Releases Wiki Activity

Merge branch 'antonioramosdet-tracking_conf_structure' into next

Browse Source
This commit is contained in:
Carles Fernandez 2018-04-06 11:19:43 +02:00
commit 15ea4e6d71
7 changed files with 205 additions and 250 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
src/algorithms/tracking/adapters/galileo_e1_dll_pll_veml_tracking.cc
View File

@ -48,24 +48,35 @@ GalileoE1DllPllVemlTracking::GalileoE1DllPllVemlTracking(
ConfigurationInterface* configuration, std::string role,
unsigned int in_streams, unsigned int out_streams) : role_(role), in_streams_(in_streams), out_streams_(out_streams)
{
dllpllconf_t trk_param;
DLOG(INFO) << "role " << role;
//################# CONFIGURATION PARAMETERS ########################
std::string default_item_type = "gr_complex";
std::string item_type = configuration->property(role + ".item_type", default_item_type);
int fs_in_deprecated = configuration->property("GNSS-SDR.internal_fs_hz", 2048000);
int fs_in = configuration->property("GNSS-SDR.internal_fs_sps", fs_in_deprecated);
trk_param.fs_in = fs_in;
bool dump = configuration->property(role + ".dump", false);
trk_param.dump = dump;
float pll_bw_hz = configuration->property(role + ".pll_bw_hz", 5.0);
if (FLAGS_pll_bw_hz != 0.0) pll_bw_hz = static_cast<float>(FLAGS_pll_bw_hz);
trk_param.pll_bw_hz = pll_bw_hz;
float dll_bw_hz = configuration->property(role + ".dll_bw_hz", 0.5);
if (FLAGS_dll_bw_hz != 0.0) dll_bw_hz = static_cast<float>(FLAGS_dll_bw_hz);
trk_param.dll_bw_hz = dll_bw_hz;
float pll_bw_narrow_hz = configuration->property(role + ".pll_bw_narrow_hz", 2.0);
trk_param.pll_bw_narrow_hz = pll_bw_narrow_hz;
float dll_bw_narrow_hz = configuration->property(role + ".dll_bw_narrow_hz", 0.25);
trk_param.dll_bw_narrow_hz = dll_bw_narrow_hz;
int extend_correlation_symbols = configuration->property(role + ".extend_correlation_symbols", 1);
float early_late_space_chips = configuration->property(role + ".early_late_space_chips", 0.15);
trk_param.early_late_space_chips = early_late_space_chips;
float very_early_late_space_chips = configuration->property(role + ".very_early_late_space_chips", 0.6);
trk_param.very_early_late_space_chips = very_early_late_space_chips;
float early_late_space_narrow_chips = configuration->property(role + ".early_late_space_narrow_chips", 0.15);
trk_param.early_late_space_narrow_chips = early_late_space_narrow_chips;
float very_early_late_space_narrow_chips = configuration->property(role + ".very_early_late_space_narrow_chips", 0.6);
trk_param.very_early_late_space_narrow_chips = very_early_late_space_narrow_chips;
bool track_pilot = configuration->property(role + ".track_pilot", false);
if (extend_correlation_symbols < 1)
{
@ -81,31 +92,21 @@ GalileoE1DllPllVemlTracking::GalileoE1DllPllVemlTracking(
{
std::cout << TEXT_RED << "WARNING: Galileo E1. PLL or DLL narrow tracking bandwidth is higher than wide tracking one" << TEXT_RESET << std::endl;
}
trk_param.track_pilot = track_pilot;
trk_param.extend_correlation_symbols = extend_correlation_symbols;
std::string default_dump_filename = "./track_ch";
std::string dump_filename = configuration->property(role + ".dump_filename", default_dump_filename);
trk_param.dump_filename = dump_filename;
int vector_length = std::round(fs_in / (Galileo_E1_CODE_CHIP_RATE_HZ / Galileo_E1_B_CODE_LENGTH_CHIPS));
trk_param.vector_length = vector_length;
trk_param.system = 'E';
char sig_[3] = "1B";
std::memcpy(trk_param.signal, sig_, 3);
//################# MAKE TRACKING GNURadio object ###################
if (item_type.compare("gr_complex") == 0)
{
item_size_ = sizeof(gr_complex);
char sig_[3] = "1B";
tracking_ = dll_pll_veml_make_tracking(
fs_in,
vector_length,
dump,
dump_filename,
pll_bw_hz,
dll_bw_hz,
pll_bw_narrow_hz,
dll_bw_narrow_hz,
early_late_space_chips,
very_early_late_space_chips,
early_late_space_narrow_chips,
very_early_late_space_narrow_chips,
extend_correlation_symbols,
track_pilot, 'E', sig_);
tracking_ = dll_pll_veml_make_tracking(trk_param);
}
else
{

31
src/algorithms/tracking/adapters/galileo_e5a_dll_pll_tracking.cc
View File

@ -49,25 +49,36 @@ GalileoE5aDllPllTracking::GalileoE5aDllPllTracking(
ConfigurationInterface* configuration, std::string role,
unsigned int in_streams, unsigned int out_streams) : role_(role), in_streams_(in_streams), out_streams_(out_streams)
{
dllpllconf_t trk_param;
DLOG(INFO) << "role " << role;
//################# CONFIGURATION PARAMETERS ########################
std::string default_item_type = "gr_complex";
std::string item_type = configuration->property(role + ".item_type", default_item_type);
int fs_in_deprecated = configuration->property("GNSS-SDR.internal_fs_hz", 12000000);
int fs_in = configuration->property("GNSS-SDR.internal_fs_sps", fs_in_deprecated);
trk_param.fs_in = fs_in;
bool dump = configuration->property(role + ".dump", false);
trk_param.dump = dump;
float pll_bw_hz = configuration->property(role + ".pll_bw_hz", 20.0);
if (FLAGS_pll_bw_hz != 0.0) pll_bw_hz = static_cast<float>(FLAGS_pll_bw_hz);
trk_param.pll_bw_hz = pll_bw_hz;
float dll_bw_hz = configuration->property(role + ".dll_bw_hz", 20.0);
if (FLAGS_dll_bw_hz != 0.0) dll_bw_hz = static_cast<float>(FLAGS_dll_bw_hz);
trk_param.dll_bw_hz = dll_bw_hz;
float pll_bw_narrow_hz = configuration->property(role + ".pll_bw_narrow_hz", 5.0);
trk_param.pll_bw_narrow_hz = pll_bw_narrow_hz;
float dll_bw_narrow_hz = configuration->property(role + ".dll_bw_narrow_hz", 2.0);
trk_param.dll_bw_narrow_hz = dll_bw_narrow_hz;
float early_late_space_chips = configuration->property(role + ".early_late_space_chips", 0.5);
trk_param.early_late_space_chips = early_late_space_chips;
std::string default_dump_filename = "./track_ch";
std::string dump_filename = configuration->property(role + ".dump_filename", default_dump_filename);
trk_param.dump_filename = dump_filename;
int vector_length = std::round(fs_in / (Galileo_E5a_CODE_CHIP_RATE_HZ / Galileo_E5a_CODE_LENGTH_CHIPS));
trk_param.vector_length = vector_length;
int extend_correlation_symbols = configuration->property(role + ".extend_correlation_symbols", 1);
float early_late_space_narrow_chips = configuration->property(role + ".early_late_space_narrow_chips", 0.15);
trk_param.early_late_space_narrow_chips = early_late_space_narrow_chips;
bool track_pilot = configuration->property(role + ".track_pilot", false);
if (extend_correlation_symbols < 1)
{
@ -83,22 +94,18 @@ GalileoE5aDllPllTracking::GalileoE5aDllPllTracking(
{
std::cout << TEXT_RED << "WARNING: Galileo E5a. PLL or DLL narrow tracking bandwidth is higher than wide tracking one" << TEXT_RESET << std::endl;
}
trk_param.extend_correlation_symbols = extend_correlation_symbols;
trk_param.track_pilot = track_pilot;
trk_param.very_early_late_space_chips = 0.0;
trk_param.very_early_late_space_narrow_chips = 0.0;
trk_param.system = 'E';
char sig_[3] = "5X";
std::memcpy(trk_param.signal, sig_, 3);
//################# MAKE TRACKING GNURadio object ###################
if (item_type.compare("gr_complex") == 0)
{
item_size_ = sizeof(gr_complex);
char sig_[3] = "5X";
item_size_ = sizeof(gr_complex);
tracking_ = dll_pll_veml_make_tracking(
fs_in, vector_length, dump, dump_filename,
pll_bw_hz, dll_bw_hz,
pll_bw_narrow_hz, dll_bw_narrow_hz,
early_late_space_chips,
early_late_space_chips,
early_late_space_narrow_chips,
early_late_space_narrow_chips,
extend_correlation_symbols,
track_pilot, 'E', sig_);
tracking_ = dll_pll_veml_make_tracking(trk_param);
}
else
{

31
src/algorithms/tracking/adapters/gps_l1_ca_dll_pll_tracking.cc
View File

@ -49,24 +49,35 @@ GpsL1CaDllPllTracking::GpsL1CaDllPllTracking(
ConfigurationInterface* configuration, std::string role,
unsigned int in_streams, unsigned int out_streams) : role_(role), in_streams_(in_streams), out_streams_(out_streams)
{
dllpllconf_t trk_param;
DLOG(INFO) << "role " << role;
//################# CONFIGURATION PARAMETERS ########################
std::string default_item_type = "gr_complex";
std::string item_type = configuration->property(role + ".item_type", default_item_type);
int fs_in_deprecated = configuration->property("GNSS-SDR.internal_fs_hz", 2048000);
int fs_in = configuration->property("GNSS-SDR.internal_fs_sps", fs_in_deprecated);
trk_param.fs_in = fs_in;
bool dump = configuration->property(role + ".dump", false);
trk_param.dump = dump;
float pll_bw_hz = configuration->property(role + ".pll_bw_hz", 50.0);
if (FLAGS_pll_bw_hz != 0.0) pll_bw_hz = static_cast<float>(FLAGS_pll_bw_hz);
trk_param.pll_bw_hz = pll_bw_hz;
float pll_bw_narrow_hz = configuration->property(role + ".pll_bw_narrow_hz", 20.0);
trk_param.pll_bw_narrow_hz = pll_bw_narrow_hz;
float dll_bw_narrow_hz = configuration->property(role + ".dll_bw_narrow_hz", 2.0);
trk_param.dll_bw_narrow_hz = dll_bw_narrow_hz;
float dll_bw_hz = configuration->property(role + ".dll_bw_hz", 2.0);
if (FLAGS_dll_bw_hz != 0.0) dll_bw_hz = static_cast<float>(FLAGS_dll_bw_hz);
trk_param.dll_bw_hz = dll_bw_hz;
float early_late_space_chips = configuration->property(role + ".early_late_space_chips", 0.5);
trk_param.early_late_space_chips = early_late_space_chips;
float early_late_space_narrow_chips = configuration->property(role + ".early_late_space_narrow_chips", 0.5);
trk_param.early_late_space_narrow_chips = early_late_space_narrow_chips;
std::string default_dump_filename = "./track_ch";
std::string dump_filename = configuration->property(role + ".dump_filename", default_dump_filename);
trk_param.dump_filename = dump_filename;
int vector_length = std::round(fs_in / (GPS_L1_CA_CODE_RATE_HZ / GPS_L1_CA_CODE_LENGTH_CHIPS));
trk_param.vector_length = vector_length;
int symbols_extended_correlator = configuration->property(role + ".extend_correlation_symbols", 1);
if (symbols_extended_correlator < 1)
{
@ -78,6 +89,7 @@ GpsL1CaDllPllTracking::GpsL1CaDllPllTracking(
symbols_extended_correlator = 20;
std::cout << TEXT_RED << "WARNING: GPS L1 C/A. extend_correlation_symbols must be lower than 21. Coherent integration has been set to 20 symbols (20 ms)" << TEXT_RESET << std::endl;
}
trk_param.extend_correlation_symbols = symbols_extended_correlator;
bool track_pilot = configuration->property(role + ".track_pilot", false);
if (track_pilot)
{
@ -87,22 +99,17 @@ GpsL1CaDllPllTracking::GpsL1CaDllPllTracking(
{
std::cout << TEXT_RED << "WARNING: GPS L1 C/A. PLL or DLL narrow tracking bandwidth is higher than wide tracking one" << TEXT_RESET << std::endl;
}
trk_param.very_early_late_space_chips = 0.0;
trk_param.very_early_late_space_narrow_chips = 0.0;
trk_param.track_pilot = false;
trk_param.system = 'G';
char sig_[3] = "1C";
std::memcpy(trk_param.signal, sig_, 3);
//################# MAKE TRACKING GNURadio object ###################
if (item_type.compare("gr_complex") == 0)
{
char sig_[3] = "1C";
item_size_ = sizeof(gr_complex);
tracking_ = dll_pll_veml_make_tracking(
fs_in, vector_length, dump,
dump_filename, pll_bw_hz, dll_bw_hz,
pll_bw_narrow_hz, dll_bw_narrow_hz,
early_late_space_chips,
early_late_space_chips,
early_late_space_narrow_chips,
early_late_space_narrow_chips,
symbols_extended_correlator,
false,
'G', sig_);
tracking_ = dll_pll_veml_make_tracking(trk_param);
}
else
{

30
src/algorithms/tracking/adapters/gps_l2_m_dll_pll_tracking.cc
View File

@ -49,46 +49,54 @@ GpsL2MDllPllTracking::GpsL2MDllPllTracking(
ConfigurationInterface* configuration, std::string role,
unsigned int in_streams, unsigned int out_streams) : role_(role), in_streams_(in_streams), out_streams_(out_streams)
{
dllpllconf_t trk_param;
DLOG(INFO) << "role " << role;
//################# CONFIGURATION PARAMETERS ########################
std::string default_item_type = "gr_complex";
std::string item_type = configuration->property(role + ".item_type", default_item_type);
int fs_in_deprecated = configuration->property("GNSS-SDR.internal_fs_hz", 2048000);
int fs_in = configuration->property("GNSS-SDR.internal_fs_sps", fs_in_deprecated);
trk_param.fs_in = fs_in;
bool dump = configuration->property(role + ".dump", false);
trk_param.dump = dump;
float pll_bw_hz = configuration->property(role + ".pll_bw_hz", 2.0);
if (FLAGS_pll_bw_hz != 0.0) pll_bw_hz = static_cast<float>(FLAGS_pll_bw_hz);
trk_param.pll_bw_hz = pll_bw_hz;
float dll_bw_hz = configuration->property(role + ".dll_bw_hz", 0.75);
if (FLAGS_dll_bw_hz != 0.0) dll_bw_hz = static_cast<float>(FLAGS_dll_bw_hz);
trk_param.dll_bw_hz = dll_bw_hz;
float early_late_space_chips = configuration->property(role + ".early_late_space_chips", 0.5);
trk_param.early_late_space_chips = early_late_space_chips;
trk_param.early_late_space_narrow_chips = 0.0;
std::string default_dump_filename = "./track_ch";
std::string dump_filename = configuration->property(role + ".dump_filename", default_dump_filename);
trk_param.dump_filename = dump_filename;
int vector_length = std::round(static_cast<double>(fs_in) / (static_cast<double>(GPS_L2_M_CODE_RATE_HZ) / static_cast<double>(GPS_L2_M_CODE_LENGTH_CHIPS)));
trk_param.vector_length = vector_length;
int symbols_extended_correlator = configuration->property(role + ".extend_correlation_symbols", 1);
if (symbols_extended_correlator != 1)
{
std::cout << TEXT_RED << "WARNING: Extended coherent integration is not allowed in GPS L2. Coherent integration has been set to 20 ms (1 symbol)" << TEXT_RESET << std::endl;
}
trk_param.extend_correlation_symbols = 1;
bool track_pilot = configuration->property(role + ".track_pilot", false);
if (track_pilot)
{
std::cout << TEXT_RED << "WARNING: GPS L2 does not have pilot signal. Data tracking has been enabled" << TEXT_RESET << std::endl;
}
trk_param.track_pilot = false;
trk_param.very_early_late_space_chips = 0.0;
trk_param.very_early_late_space_narrow_chips = 0.0;
trk_param.pll_bw_narrow_hz = 0.0;
trk_param.dll_bw_narrow_hz = 0.0;
trk_param.system = 'G';
char sig_[3] = "2S";
std::memcpy(trk_param.signal, sig_, 3);
//################# MAKE TRACKING GNURadio object ###################
if (item_type.compare("gr_complex") == 0)
{
item_size_ = sizeof(gr_complex);
char sig_[3] = "2S";
item_size_ = sizeof(gr_complex);
tracking_ = dll_pll_veml_make_tracking(
fs_in, vector_length, dump, dump_filename,
pll_bw_hz, dll_bw_hz, pll_bw_hz, dll_bw_hz,
early_late_space_chips,
early_late_space_chips,
early_late_space_chips,
early_late_space_chips,
1, false, 'G', sig_);
tracking_ = dll_pll_veml_make_tracking(trk_param);
}
else
{

31
src/algorithms/tracking/adapters/gps_l5i_dll_pll_tracking.cc
View File

@ -49,25 +49,36 @@ GpsL5iDllPllTracking::GpsL5iDllPllTracking(
ConfigurationInterface* configuration, std::string role,
unsigned int in_streams, unsigned int out_streams) : role_(role), in_streams_(in_streams), out_streams_(out_streams)
{
dllpllconf_t trk_param;
DLOG(INFO) << "role " << role;
//################# CONFIGURATION PARAMETERS ########################
std::string default_item_type = "gr_complex";
std::string item_type = configuration->property(role + ".item_type", default_item_type);
int fs_in_deprecated = configuration->property("GNSS-SDR.internal_fs_hz", 2048000);
int fs_in = configuration->property("GNSS-SDR.internal_fs_sps", fs_in_deprecated);
trk_param.fs_in = fs_in;
bool dump = configuration->property(role + ".dump", false);
trk_param.dump = dump;
float pll_bw_hz = configuration->property(role + ".pll_bw_hz", 50.0);
if (FLAGS_pll_bw_hz != 0.0) pll_bw_hz = static_cast<float>(FLAGS_pll_bw_hz);
trk_param.pll_bw_hz = pll_bw_hz;
float dll_bw_hz = configuration->property(role + ".dll_bw_hz", 2.0);
if (FLAGS_dll_bw_hz != 0.0) dll_bw_hz = static_cast<float>(FLAGS_dll_bw_hz);
trk_param.dll_bw_hz = dll_bw_hz;
float pll_bw_narrow_hz = configuration->property(role + ".pll_bw_narrow_hz", 2.0);
trk_param.pll_bw_narrow_hz = pll_bw_narrow_hz;
float dll_bw_narrow_hz = configuration->property(role + ".dll_bw_narrow_hz", 0.25);
trk_param.dll_bw_narrow_hz = dll_bw_narrow_hz;
float early_late_space_chips = configuration->property(role + ".early_late_space_chips", 0.5);
trk_param.early_late_space_chips = early_late_space_chips;
std::string default_dump_filename = "./track_ch";
std::string dump_filename = configuration->property(role + ".dump_filename", default_dump_filename);
trk_param.dump_filename = dump_filename;
int vector_length = std::round(static_cast<double>(fs_in) / (static_cast<double>(GPS_L5i_CODE_RATE_HZ) / static_cast<double>(GPS_L5i_CODE_LENGTH_CHIPS)));
trk_param.vector_length = vector_length;
int extend_correlation_symbols = configuration->property(role + ".extend_correlation_symbols", 1);
float early_late_space_narrow_chips = configuration->property(role + ".early_late_space_narrow_chips", 0.15);
trk_param.early_late_space_narrow_chips = early_late_space_narrow_chips;
bool track_pilot = configuration->property(role + ".track_pilot", false);
if (extend_correlation_symbols < 1)
{
@ -83,22 +94,18 @@ GpsL5iDllPllTracking::GpsL5iDllPllTracking(
{
std::cout << TEXT_RED << "WARNING: GPS L5. PLL or DLL narrow tracking bandwidth is higher than wide tracking one" << TEXT_RESET << std::endl;
}
trk_param.extend_correlation_symbols = extend_correlation_symbols;
trk_param.track_pilot = track_pilot;
trk_param.very_early_late_space_chips = 0.0;
trk_param.very_early_late_space_narrow_chips = 0.0;
trk_param.system = 'G';
char sig_[3] = "L5";
std::memcpy(trk_param.signal, sig_, 3);
//################# MAKE TRACKING GNURadio object ###################
if (item_type.compare("gr_complex") == 0)
{
item_size_ = sizeof(gr_complex);
char sig_[3] = "L5";
item_size_ = sizeof(gr_complex);
tracking_ = dll_pll_veml_make_tracking(
fs_in, vector_length, dump, dump_filename,
pll_bw_hz, dll_bw_hz,
pll_bw_narrow_hz, dll_bw_narrow_hz,
early_late_space_chips,
early_late_space_chips,
early_late_space_narrow_chips,
early_late_space_narrow_chips,
extend_correlation_symbols,
track_pilot, 'G', sig_);
tracking_ = dll_pll_veml_make_tracking(trk_param);
}
else
{

223
src/algorithms/tracking/gnuradio_blocks/dll_pll_veml_tracking.cc
View File

@ -61,38 +61,9 @@
using google::LogMessage;
dll_pll_veml_tracking_sptr dll_pll_veml_make_tracking(
double fs_in,
unsigned int vector_length,
bool dump,
std::string dump_filename,
float pll_bw_hz,
float dll_bw_hz,
float pll_bw_narrow_hz,
float dll_bw_narrow_hz,
float early_late_space_chips,
float very_early_late_space_chips,
float early_late_space_narrow_chips,
float very_early_late_space_narrow_chips,
int extend_correlation_symbols,
bool track_pilot,
char system, char signal[3])
dll_pll_veml_tracking_sptr dll_pll_veml_make_tracking(dllpllconf_t conf_)
{
return dll_pll_veml_tracking_sptr(new dll_pll_veml_tracking(
fs_in,
vector_length,
dump,
dump_filename,
pll_bw_hz,
dll_bw_hz,
pll_bw_narrow_hz,
dll_bw_narrow_hz,
early_late_space_chips,
very_early_late_space_chips,
early_late_space_narrow_chips,
very_early_late_space_narrow_chips,
extend_correlation_symbols,
track_pilot, system, signal));
return dll_pll_veml_tracking_sptr(new dll_pll_veml_tracking(conf_));
}
@ -101,40 +72,29 @@ void dll_pll_veml_tracking::forecast(int noutput_items,
{
if (noutput_items != 0)
{
ninput_items_required[0] = static_cast<int>(d_vector_length) * 2;
ninput_items_required[0] = static_cast<int>(trk_parameters.vector_length) * 2;
}
}
dll_pll_veml_tracking::dll_pll_veml_tracking(
double fs_in, unsigned int vector_length, bool dump,
std::string dump_filename, float pll_bw_hz, float dll_bw_hz,
float pll_bw_narrow_hz, float dll_bw_narrow_hz,
float early_late_space_chips, float very_early_late_space_chips,
float early_late_space_narrow_chips, float very_early_late_space_narrow_chips,
int extend_correlation_symbols, bool track_pilot, char system,
char signal[3]) : gr::block("dll_pll_veml_tracking", gr::io_signature::make(1, 1, sizeof(gr_complex)),
dll_pll_veml_tracking::dll_pll_veml_tracking(dllpllconf_t conf_) : gr::block("dll_pll_veml_tracking", gr::io_signature::make(1, 1, sizeof(gr_complex)),
gr::io_signature::make(1, 1, sizeof(Gnss_Synchro)))
{
trk_parameters = conf_;
// Telemetry bit synchronization message port input
this->message_port_register_in(pmt::mp("preamble_timestamp_s"));
this->message_port_register_out(pmt::mp("events"));
this->set_relative_rate(1.0 / static_cast<double>(vector_length));
this->set_relative_rate(1.0 / static_cast<double>(trk_parameters.vector_length));
// initialize internal vars
d_dump = dump;
d_veml = false;
d_cloop = true;
d_synchonizing = false;
d_track_pilot = track_pilot;
d_fs_in = fs_in;
d_vector_length = vector_length;
d_dump_filename = dump_filename;
d_code_chip_rate = 0.0;
d_secondary_code_length = 0;
d_secondary_code_string = nullptr;
signal_type = std::string(signal);
if (system == 'G')
signal_type = std::string(trk_parameters.signal);
if (trk_parameters.system == 'G')
{
systemName = "GPS";
if (signal_type.compare("1C") == 0)
@ -148,7 +108,7 @@ dll_pll_veml_tracking::dll_pll_veml_tracking(
d_code_length_chips = static_cast<unsigned int>(GPS_L1_CA_CODE_LENGTH_CHIPS);
// GPS L1 C/A does not have pilot component nor secondary code
d_secondary = false;
d_track_pilot = false;
trk_parameters.track_pilot = false;
interchange_iq = false;
}
else if (signal_type.compare("2S") == 0)
@ -162,7 +122,7 @@ dll_pll_veml_tracking::dll_pll_veml_tracking(
d_code_samples_per_chip = 1;
// GPS L2 does not have pilot component nor secondary code
d_secondary = false;
d_track_pilot = false;
trk_parameters.track_pilot = false;
interchange_iq = false;
}
else if (signal_type.compare("L5") == 0)
@ -176,7 +136,7 @@ dll_pll_veml_tracking::dll_pll_veml_tracking(
d_code_length_chips = static_cast<unsigned int>(GPS_L5i_CODE_LENGTH_CHIPS);
// GPS L5 does not have pilot secondary code
d_secondary = true;
if (d_track_pilot)
if (trk_parameters.track_pilot)
{
d_secondary_code_length = static_cast<unsigned int>(GPS_L5q_NH_CODE_LENGTH);
d_secondary_code_string = const_cast<std::string *>(&GPS_L5q_NH_CODE_STR);
@ -203,7 +163,7 @@ dll_pll_veml_tracking::dll_pll_veml_tracking(
d_symbols_per_bit = 0;
}
}
else if (system == 'E')
else if (trk_parameters.system == 'E')
{
systemName = "Galileo";
if (signal_type.compare("1B") == 0)
@ -216,7 +176,7 @@ dll_pll_veml_tracking::dll_pll_veml_tracking(
d_correlation_length_ms = 4;
d_code_samples_per_chip = 2; // CBOC disabled: 2 samples per chip. CBOC enabled: 12 samples per chip
d_veml = true;
if (d_track_pilot)
if (trk_parameters.track_pilot)
{
d_secondary = true;
d_secondary_code_length = static_cast<unsigned int>(Galileo_E1_C_SECONDARY_CODE_LENGTH);
@ -238,7 +198,7 @@ dll_pll_veml_tracking::dll_pll_veml_tracking(
d_code_samples_per_chip = 1;
d_code_length_chips = static_cast<unsigned int>(Galileo_E5a_CODE_LENGTH_CHIPS);
d_secondary = true;
if (d_track_pilot)
if (trk_parameters.track_pilot)
{
interchange_iq = true;
d_secondary_code_length = static_cast<unsigned int>(Galileo_E5a_Q_SECONDARY_CODE_LENGTH);
@ -284,23 +244,11 @@ dll_pll_veml_tracking::dll_pll_veml_tracking(
// Initialize tracking ==========================================
// Set bandwidth of code and carrier loop filters
d_dll_bw_hz = dll_bw_hz;
d_pll_bw_hz = pll_bw_hz;
d_dll_bw_narrow_hz = dll_bw_narrow_hz;
d_pll_bw_narrow_hz = pll_bw_narrow_hz;
d_code_loop_filter.set_DLL_BW(d_dll_bw_hz);
d_carrier_loop_filter.set_PLL_BW(d_pll_bw_hz);
d_code_loop_filter.set_DLL_BW(trk_parameters.dll_bw_hz);
d_carrier_loop_filter.set_PLL_BW(trk_parameters.pll_bw_hz);
d_code_loop_filter = Tracking_2nd_DLL_filter(static_cast<float>(d_code_period));
d_carrier_loop_filter = Tracking_2nd_PLL_filter(static_cast<float>(d_code_period));
// Correlator spacing
d_early_late_spc_chips = early_late_space_chips; // Define early-late offset (in chips)
d_very_early_late_spc_chips = very_early_late_space_chips; // Define very-early-late offset (in chips)
d_early_late_spc_narrow_chips = early_late_space_narrow_chips; // Define narrow early-late offset (in chips)
d_very_early_late_spc_narrow_chips = very_early_late_space_narrow_chips; // Define narrow very-early-late offset (in chips)
// Initialization of local code replica
// Get space for a vector with the sinboc(1,1) replica sampled 2x/chip
d_tracking_code = static_cast<float *>(volk_gnsssdr_malloc(2 * d_code_length_chips * sizeof(float), volk_gnsssdr_get_alignment()));
@ -328,11 +276,11 @@ dll_pll_veml_tracking::dll_pll_veml_tracking(
d_Prompt = &d_correlator_outs[2];
d_Late = &d_correlator_outs[3];
d_Very_Late = &d_correlator_outs[4];
d_local_code_shift_chips[0] = -d_very_early_late_spc_chips * static_cast<float>(d_code_samples_per_chip);
d_local_code_shift_chips[1] = -d_early_late_spc_chips * static_cast<float>(d_code_samples_per_chip);
d_local_code_shift_chips[0] = -trk_parameters.very_early_late_space_chips * static_cast<float>(d_code_samples_per_chip);
d_local_code_shift_chips[1] = -trk_parameters.early_late_space_chips * static_cast<float>(d_code_samples_per_chip);
d_local_code_shift_chips[2] = 0.0;
d_local_code_shift_chips[3] = d_early_late_spc_chips * static_cast<float>(d_code_samples_per_chip);
d_local_code_shift_chips[4] = d_very_early_late_spc_chips * static_cast<float>(d_code_samples_per_chip);
d_local_code_shift_chips[3] = trk_parameters.early_late_space_chips * static_cast<float>(d_code_samples_per_chip);
d_local_code_shift_chips[4] = trk_parameters.very_early_late_space_chips * static_cast<float>(d_code_samples_per_chip);
d_prompt_data_shift = &d_local_code_shift_chips[2];
}
else
@ -342,30 +290,29 @@ dll_pll_veml_tracking::dll_pll_veml_tracking(
d_Prompt = &d_correlator_outs[1];
d_Late = &d_correlator_outs[2];
d_Very_Late = nullptr;
d_local_code_shift_chips[0] = -d_early_late_spc_chips * static_cast<float>(d_code_samples_per_chip);
d_local_code_shift_chips[0] = -trk_parameters.early_late_space_chips * static_cast<float>(d_code_samples_per_chip);
d_local_code_shift_chips[1] = 0.0;
d_local_code_shift_chips[2] = d_early_late_spc_chips * static_cast<float>(d_code_samples_per_chip);
d_local_code_shift_chips[2] = trk_parameters.early_late_space_chips * static_cast<float>(d_code_samples_per_chip);
d_prompt_data_shift = &d_local_code_shift_chips[1];
}
multicorrelator_cpu.init(2 * d_vector_length, d_n_correlator_taps);
multicorrelator_cpu.init(2 * trk_parameters.vector_length, d_n_correlator_taps);
if (extend_correlation_symbols > 1)
if (trk_parameters.extend_correlation_symbols > 1)
{
d_enable_extended_integration = true;
d_extend_correlation_symbols = extend_correlation_symbols;
}
else
{
d_enable_extended_integration = false;
d_extend_correlation_symbols = 1;
trk_parameters.extend_correlation_symbols = 1;
}
// Enable Data component prompt correlator (slave to Pilot prompt) if tracking uses Pilot signal
if (d_track_pilot)
if (trk_parameters.track_pilot)
{
// Extra correlator for the data component
correlator_data_cpu.init(2 * d_vector_length, 1);
correlator_data_cpu.init(2 * trk_parameters.vector_length, 1);
d_Prompt_Data = static_cast<gr_complex *>(volk_gnsssdr_malloc(sizeof(gr_complex), volk_gnsssdr_get_alignment()));
d_Prompt_Data[0] = gr_complex(0.0, 0.0);
d_data_code = static_cast<float *>(volk_gnsssdr_malloc(2 * d_code_length_chips * sizeof(float), volk_gnsssdr_get_alignment()));
@ -388,7 +335,7 @@ dll_pll_veml_tracking::dll_pll_veml_tracking(
d_sample_counter = 0;
d_acq_sample_stamp = 0;
d_current_prn_length_samples = static_cast<int>(d_vector_length);
d_current_prn_length_samples = static_cast<int>(trk_parameters.vector_length);
// CN0 estimation and lock detector buffers
d_cn0_estimation_counter = 0;
@ -429,25 +376,25 @@ void dll_pll_veml_tracking::start_tracking()
d_acq_sample_stamp = d_acquisition_gnss_synchro->Acq_samplestamp_samples;
long int acq_trk_diff_samples = static_cast<long int>(d_sample_counter) - static_cast<long int>(d_acq_sample_stamp);
double acq_trk_diff_seconds = static_cast<double>(acq_trk_diff_samples) / d_fs_in;
double acq_trk_diff_seconds = static_cast<double>(acq_trk_diff_samples) / trk_parameters.fs_in;
DLOG(INFO) << "Number of samples between Acquisition and Tracking = " << acq_trk_diff_samples;
DLOG(INFO) << "Number of seconds between Acquisition and Tracking = " << acq_trk_diff_seconds;
// Doppler effect Fd = (C / (C + Vr)) * F
double radial_velocity = (d_signal_carrier_freq + d_acq_carrier_doppler_hz) / d_signal_carrier_freq;
// new chip and prn sequence periods based on acq Doppler
d_code_freq_chips = radial_velocity * d_code_chip_rate;
d_code_phase_step_chips = d_code_freq_chips / d_fs_in;
d_code_phase_step_chips = d_code_freq_chips / trk_parameters.fs_in;
double T_chip_mod_seconds = 1.0 / d_code_freq_chips;
double T_prn_mod_seconds = T_chip_mod_seconds * static_cast<double>(d_code_length_chips);
double T_prn_mod_samples = T_prn_mod_seconds * d_fs_in;
double T_prn_mod_samples = T_prn_mod_seconds * trk_parameters.fs_in;
d_current_prn_length_samples = std::round(T_prn_mod_samples);
double T_prn_true_seconds = static_cast<double>(d_code_length_chips) / d_code_chip_rate;
double T_prn_true_samples = T_prn_true_seconds * d_fs_in;
double T_prn_true_samples = T_prn_true_seconds * trk_parameters.fs_in;
double T_prn_diff_seconds = T_prn_true_seconds - T_prn_mod_seconds;
double N_prn_diff = acq_trk_diff_seconds / T_prn_true_seconds;
double corrected_acq_phase_samples = std::fmod(d_acq_code_phase_samples + T_prn_diff_seconds * N_prn_diff * d_fs_in, T_prn_true_samples);
double corrected_acq_phase_samples = std::fmod(d_acq_code_phase_samples + T_prn_diff_seconds * N_prn_diff * trk_parameters.fs_in, T_prn_true_samples);
if (corrected_acq_phase_samples < 0.0)
{
corrected_acq_phase_samples += T_prn_mod_samples;
@ -457,7 +404,7 @@ void dll_pll_veml_tracking::start_tracking()
d_acq_code_phase_samples = corrected_acq_phase_samples;
d_carrier_doppler_hz = d_acq_carrier_doppler_hz;
d_carrier_phase_step_rad = PI_2 * d_carrier_doppler_hz / d_fs_in;
d_carrier_phase_step_rad = PI_2 * d_carrier_doppler_hz / trk_parameters.fs_in;
// DLL/PLL filter initialization
d_carrier_loop_filter.initialize(); // initialize the carrier filter
@ -473,7 +420,7 @@ void dll_pll_veml_tracking::start_tracking()
}
else if (systemName.compare("GPS") == 0 and signal_type.compare("L5") == 0)
{
if (d_track_pilot)
if (trk_parameters.track_pilot)
{
gps_l5q_code_gen_float(d_tracking_code, d_acquisition_gnss_synchro->PRN);
gps_l5i_code_gen_float(d_data_code, d_acquisition_gnss_synchro->PRN);
@ -487,7 +434,7 @@ void dll_pll_veml_tracking::start_tracking()
}
else if (systemName.compare("Galileo") == 0 and signal_type.compare("1B") == 0)
{
if (d_track_pilot)
if (trk_parameters.track_pilot)
{
char pilot_signal[3] = "1C";
galileo_e1_code_gen_sinboc11_float(d_tracking_code, pilot_signal, d_acquisition_gnss_synchro->PRN);
@ -504,7 +451,7 @@ void dll_pll_veml_tracking::start_tracking()
{
gr_complex *aux_code = static_cast<gr_complex *>(volk_gnsssdr_malloc(sizeof(gr_complex) * d_code_length_chips, volk_gnsssdr_get_alignment()));
galileo_e5_a_code_gen_complex_primary(aux_code, d_acquisition_gnss_synchro->PRN, const_cast<char *>(signal_type.c_str()));
if (d_track_pilot)
if (trk_parameters.track_pilot)
{
d_secondary_code_string = const_cast<std::string *>(&Galileo_E5a_Q_SECONDARY_CODE[d_acquisition_gnss_synchro->PRN - 1]);
for (unsigned int i = 0; i < d_code_length_chips; i++)
@ -539,20 +486,20 @@ void dll_pll_veml_tracking::start_tracking()
if (d_veml)
{
d_local_code_shift_chips[0] = -d_very_early_late_spc_chips * static_cast<float>(d_code_samples_per_chip);
d_local_code_shift_chips[1] = -d_early_late_spc_chips * static_cast<float>(d_code_samples_per_chip);
d_local_code_shift_chips[3] = d_early_late_spc_chips * static_cast<float>(d_code_samples_per_chip);
d_local_code_shift_chips[4] = d_very_early_late_spc_chips * static_cast<float>(d_code_samples_per_chip);
d_local_code_shift_chips[0] = -trk_parameters.very_early_late_space_chips * static_cast<float>(d_code_samples_per_chip);
d_local_code_shift_chips[1] = -trk_parameters.early_late_space_chips * static_cast<float>(d_code_samples_per_chip);
d_local_code_shift_chips[3] = trk_parameters.early_late_space_chips * static_cast<float>(d_code_samples_per_chip);
d_local_code_shift_chips[4] = trk_parameters.very_early_late_space_chips * static_cast<float>(d_code_samples_per_chip);
}
else
{
d_local_code_shift_chips[0] = -d_early_late_spc_chips * static_cast<float>(d_code_samples_per_chip);
d_local_code_shift_chips[2] = d_early_late_spc_chips * static_cast<float>(d_code_samples_per_chip);
d_local_code_shift_chips[0] = -trk_parameters.early_late_space_chips * static_cast<float>(d_code_samples_per_chip);
d_local_code_shift_chips[2] = trk_parameters.early_late_space_chips * static_cast<float>(d_code_samples_per_chip);
}
d_code_phase_samples = d_acq_code_phase_samples;
d_code_loop_filter.set_DLL_BW(d_dll_bw_hz);
d_carrier_loop_filter.set_PLL_BW(d_pll_bw_hz);
d_code_loop_filter.set_DLL_BW(trk_parameters.dll_bw_hz);
d_carrier_loop_filter.set_PLL_BW(trk_parameters.pll_bw_hz);
d_carrier_loop_filter.set_pdi(static_cast<float>(d_code_period));
d_code_loop_filter.set_pdi(static_cast<float>(d_code_period));
@ -585,7 +532,7 @@ dll_pll_veml_tracking::~dll_pll_veml_tracking()
LOG(WARNING) << "Exception in destructor " << ex.what();
}
}
if (d_dump)
if (trk_parameters.dump)
{
if (d_channel == 0)
{
@ -602,7 +549,7 @@ dll_pll_veml_tracking::~dll_pll_veml_tracking()
volk_gnsssdr_free(d_local_code_shift_chips);
volk_gnsssdr_free(d_correlator_outs);
volk_gnsssdr_free(d_tracking_code);
if (d_track_pilot)
if (trk_parameters.track_pilot)
{
volk_gnsssdr_free(d_Prompt_Data);
volk_gnsssdr_free(d_data_code);
@ -673,7 +620,7 @@ bool dll_pll_veml_tracking::cn0_and_tracking_lock_status()
{
d_cn0_estimation_counter = 0;
// Code lock indicator
d_CN0_SNV_dB_Hz = cn0_svn_estimator(d_Prompt_buffer, FLAGS_cn0_samples, static_cast<long>(d_fs_in), static_cast<double>(d_code_length_chips));
d_CN0_SNV_dB_Hz = cn0_svn_estimator(d_Prompt_buffer, FLAGS_cn0_samples, static_cast<long>(trk_parameters.fs_in), static_cast<double>(d_code_length_chips));
// Carrier lock indicator
d_carrier_lock_test = carrier_lock_detector(d_Prompt_buffer, FLAGS_cn0_samples);
// Loss of lock detection
@ -716,10 +663,10 @@ void dll_pll_veml_tracking::do_correlation_step(const gr_complex *input_samples)
d_carrier_phase_step_rad,
static_cast<float>(d_rem_code_phase_chips) * static_cast<float>(d_code_samples_per_chip),
static_cast<float>(d_code_phase_step_chips) * static_cast<float>(d_code_samples_per_chip),
d_vector_length);
trk_parameters.vector_length);
// DATA CORRELATOR (if tracking tracks the pilot signal)
if (d_track_pilot)
if (trk_parameters.track_pilot)
{
correlator_data_cpu.set_input_output_vectors(d_Prompt_Data, input_samples);
correlator_data_cpu.Carrier_wipeoff_multicorrelator_resampler(
@ -727,7 +674,7 @@ void dll_pll_veml_tracking::do_correlation_step(const gr_complex *input_samples)
d_carrier_phase_step_rad,
static_cast<float>(d_rem_code_phase_chips) * static_cast<float>(d_code_samples_per_chip),
static_cast<float>(d_code_phase_step_chips) * static_cast<float>(d_code_samples_per_chip),
d_vector_length);
trk_parameters.vector_length);
}
}
@ -772,7 +719,7 @@ void dll_pll_veml_tracking::run_dll_pll()
void dll_pll_veml_tracking::clear_tracking_vars()
{
std::fill_n(d_correlator_outs, d_n_correlator_taps, gr_complex(0.0, 0.0));
if (d_track_pilot) *d_Prompt_Data = gr_complex(0.0, 0.0);
if (trk_parameters.track_pilot) *d_Prompt_Data = gr_complex(0.0, 0.0);
d_carr_error_hz = 0.0;
d_carr_error_filt_hz = 0.0;
d_code_error_chips = 0.0;
@ -792,13 +739,13 @@ void dll_pll_veml_tracking::update_tracking_vars()
// ################## CARRIER AND CODE NCO BUFFER ALIGNMENT #######################
// keep alignment parameters for the next input buffer
// Compute the next buffer length based in the new period of the PRN sequence and the code phase error estimation
T_prn_samples = T_prn_seconds * d_fs_in;
K_blk_samples = T_prn_samples + d_rem_code_phase_samples + code_error_filt_secs * d_fs_in;
T_prn_samples = T_prn_seconds * trk_parameters.fs_in;
K_blk_samples = T_prn_samples + d_rem_code_phase_samples + code_error_filt_secs * trk_parameters.fs_in;
d_current_prn_length_samples = static_cast<int>(round(K_blk_samples)); // round to a discrete number of samples
//################### PLL COMMANDS #################################################
// carrier phase step (NCO phase increment per sample) [rads/sample]
d_carrier_phase_step_rad = PI_2 * d_carrier_doppler_hz / d_fs_in;
d_carrier_phase_step_rad = PI_2 * d_carrier_doppler_hz / trk_parameters.fs_in;
// remnant carrier phase to prevent overflow in the code NCO
d_rem_carr_phase_rad += d_carrier_phase_step_rad * static_cast<double>(d_current_prn_length_samples);
d_rem_carr_phase_rad = fmod(d_rem_carr_phase_rad, PI_2);
@ -807,10 +754,10 @@ void dll_pll_veml_tracking::update_tracking_vars()
//################### DLL COMMANDS #################################################
// code phase step (Code resampler phase increment per sample) [chips/sample]
d_code_phase_step_chips = d_code_freq_chips / d_fs_in;
d_code_phase_step_chips = d_code_freq_chips / trk_parameters.fs_in;
// remnant code phase [chips]
d_rem_code_phase_samples = K_blk_samples - static_cast<double>(d_current_prn_length_samples); // rounding error < 1 sample
d_rem_code_phase_chips = d_code_freq_chips * d_rem_code_phase_samples / d_fs_in;
d_rem_code_phase_chips = d_code_freq_chips * d_rem_code_phase_samples / trk_parameters.fs_in;
}
@ -858,7 +805,7 @@ void dll_pll_veml_tracking::save_correlation_results()
d_current_symbol %= d_symbols_per_bit;
}
// If tracking pilot, disable Costas loop
if (d_track_pilot)
if (trk_parameters.track_pilot)
d_cloop = false;
else
d_cloop = true;
@ -867,7 +814,7 @@ void dll_pll_veml_tracking::save_correlation_results()
void dll_pll_veml_tracking::log_data(bool integrating)
{
if (d_dump)
if (trk_parameters.dump)
{
// Dump results to file
float prompt_I;
@ -875,7 +822,7 @@ void dll_pll_veml_tracking::log_data(bool integrating)
float tmp_VE, tmp_E, tmp_P, tmp_L, tmp_VL;
float tmp_float;
double tmp_double;
if (d_track_pilot)
if (trk_parameters.track_pilot)
{
if (interchange_iq)
{
@ -920,7 +867,7 @@ void dll_pll_veml_tracking::log_data(bool integrating)
// It compensates the amplitude difference while integrating
if (d_extend_correlation_symbols_count > 0)
{
float scale_factor = static_cast<float>(d_extend_correlation_symbols) / static_cast<float>(d_extend_correlation_symbols_count);
float scale_factor = static_cast<float>(trk_parameters.extend_correlation_symbols) / static_cast<float>(d_extend_correlation_symbols_count);
tmp_VE *= scale_factor;
tmp_E *= scale_factor;
tmp_P *= scale_factor;
@ -994,7 +941,7 @@ int dll_pll_veml_tracking::save_matfile()
dump_file.exceptions(std::ifstream::failbit | std::ifstream::badbit);
try
{
dump_file.open(d_dump_filename.c_str(), std::ios::binary | std::ios::ate);
dump_file.open(trk_parameters.dump_filename.c_str(), std::ios::binary | std::ios::ate);
}
catch (const std::ifstream::failure &e)
{
@ -1093,7 +1040,7 @@ int dll_pll_veml_tracking::save_matfile()
// WRITE MAT FILE
mat_t *matfp;
matvar_t *matvar;
std::string filename = d_dump_filename;
std::string filename = trk_parameters.dump_filename;
filename.erase(filename.length() - 4, 4);
filename.append(".mat");
matfp = Mat_CreateVer(filename.c_str(), NULL, MAT_FT_MAT73);
@ -1211,17 +1158,17 @@ void dll_pll_veml_tracking::set_channel(unsigned int channel)
d_channel = channel;
LOG(INFO) << "Tracking Channel set to " << d_channel;
// ############# ENABLE DATA FILE LOG #################
if (d_dump)
if (trk_parameters.dump)
{
if (!d_dump_file.is_open())
{
try
{
d_dump_filename.append(boost::lexical_cast<std::string>(d_channel));
d_dump_filename.append(".dat");
trk_parameters.dump_filename.append(boost::lexical_cast<std::string>(d_channel));
trk_parameters.dump_filename.append(".dat");
d_dump_file.exceptions(std::ifstream::failbit | std::ifstream::badbit);
d_dump_file.open(d_dump_filename.c_str(), std::ios::out | std::ios::binary);
LOG(INFO) << "Tracking dump enabled on channel " << d_channel << " Log file: " << d_dump_filename.c_str();
d_dump_file.open(trk_parameters.dump_filename.c_str(), std::ios::out | std::ios::binary);
LOG(INFO) << "Tracking dump enabled on channel " << d_channel << " Log file: " << trk_parameters.dump_filename.c_str();
}
catch (const std::ifstream::failure &e)
{
@ -1367,30 +1314,30 @@ int dll_pll_veml_tracking::general_work(int noutput_items __attribute__((unused)
{
// UPDATE INTEGRATION TIME
d_extend_correlation_symbols_count = 0;
float new_correlation_time = static_cast<float>(d_extend_correlation_symbols) * static_cast<float>(d_code_period);
float new_correlation_time = static_cast<float>(trk_parameters.extend_correlation_symbols) * static_cast<float>(d_code_period);
d_carrier_loop_filter.set_pdi(new_correlation_time);
d_code_loop_filter.set_pdi(new_correlation_time);
d_state = 3; // next state is the extended correlator integrator
LOG(INFO) << "Enabled " << d_extend_correlation_symbols << " [symbols] extended correlator for CH "
LOG(INFO) << "Enabled " << trk_parameters.extend_correlation_symbols << " [symbols] extended correlator for CH "
<< d_channel
<< " : Satellite " << Gnss_Satellite(systemName, d_acquisition_gnss_synchro->PRN);
std::cout << "Enabled " << d_extend_correlation_symbols << " [symbols] extended correlator for CH "
std::cout << "Enabled " << trk_parameters.extend_correlation_symbols << " [symbols] extended correlator for CH "
<< d_channel
<< " : Satellite " << Gnss_Satellite(systemName, d_acquisition_gnss_synchro->PRN) << std::endl;
// Set narrow taps delay values [chips]
d_code_loop_filter.set_DLL_BW(d_dll_bw_narrow_hz);
d_carrier_loop_filter.set_PLL_BW(d_pll_bw_narrow_hz);
d_code_loop_filter.set_DLL_BW(trk_parameters.dll_bw_narrow_hz);
d_carrier_loop_filter.set_PLL_BW(trk_parameters.pll_bw_narrow_hz);
if (d_veml)
{
d_local_code_shift_chips[0] = -d_very_early_late_spc_narrow_chips * static_cast<float>(d_code_samples_per_chip);
d_local_code_shift_chips[1] = -d_early_late_spc_narrow_chips * static_cast<float>(d_code_samples_per_chip);
d_local_code_shift_chips[3] = d_early_late_spc_narrow_chips * static_cast<float>(d_code_samples_per_chip);
d_local_code_shift_chips[4] = d_very_early_late_spc_narrow_chips * static_cast<float>(d_code_samples_per_chip);
d_local_code_shift_chips[0] = -trk_parameters.very_early_late_space_narrow_chips * static_cast<float>(d_code_samples_per_chip);
d_local_code_shift_chips[1] = -trk_parameters.early_late_space_narrow_chips * static_cast<float>(d_code_samples_per_chip);
d_local_code_shift_chips[3] = trk_parameters.early_late_space_narrow_chips * static_cast<float>(d_code_samples_per_chip);
d_local_code_shift_chips[4] = trk_parameters.very_early_late_space_narrow_chips * static_cast<float>(d_code_samples_per_chip);
}
else
{
d_local_code_shift_chips[0] = -d_early_late_spc_narrow_chips * static_cast<float>(d_code_samples_per_chip);
d_local_code_shift_chips[2] = d_early_late_spc_narrow_chips * static_cast<float>(d_code_samples_per_chip);
d_local_code_shift_chips[0] = -trk_parameters.early_late_space_narrow_chips * static_cast<float>(d_code_samples_per_chip);
d_local_code_shift_chips[2] = trk_parameters.early_late_space_narrow_chips * static_cast<float>(d_code_samples_per_chip);
}
}
else
@ -1413,7 +1360,7 @@ int dll_pll_veml_tracking::general_work(int noutput_items __attribute__((unused)
// ########### Output the tracking results to Telemetry block ##########
if (interchange_iq)
{
if (d_track_pilot)
if (trk_parameters.track_pilot)
{
// Note that data and pilot components are in quadrature. I and Q are interchanged
current_synchro_data.Prompt_I = static_cast<double>((*d_Prompt_Data).imag());
@ -1427,7 +1374,7 @@ int dll_pll_veml_tracking::general_work(int noutput_items __attribute__((unused)
}
else
{
if (d_track_pilot)
if (trk_parameters.track_pilot)
{
// Note that data and pilot components are in quadrature. I and Q are interchanged
current_synchro_data.Prompt_I = static_cast<double>((*d_Prompt_Data).real());
@ -1446,7 +1393,7 @@ int dll_pll_veml_tracking::general_work(int noutput_items __attribute__((unused)
current_synchro_data.Flag_valid_symbol_output = true;
current_synchro_data.correlation_length_ms = d_correlation_length_ms;
d_extend_correlation_symbols_count++;
if (d_extend_correlation_symbols_count == (d_extend_correlation_symbols - 1))
if (d_extend_correlation_symbols_count == (trk_parameters.extend_correlation_symbols - 1))
{
d_extend_correlation_symbols_count = 0;
d_state = 4;
@ -1477,7 +1424,7 @@ int dll_pll_veml_tracking::general_work(int noutput_items __attribute__((unused)
// ########### Output the tracking results to Telemetry block ##########
if (interchange_iq)
{
if (d_track_pilot)
if (trk_parameters.track_pilot)
{
// Note that data and pilot components are in quadrature. I and Q are interchanged
current_synchro_data.Prompt_I = static_cast<double>((*d_Prompt_Data).imag());
@ -1491,7 +1438,7 @@ int dll_pll_veml_tracking::general_work(int noutput_items __attribute__((unused)
}
else
{
if (d_track_pilot)
if (trk_parameters.track_pilot)
{
// Note that data and pilot components are in quadrature. I and Q are interchanged
current_synchro_data.Prompt_I = static_cast<double>((*d_Prompt_Data).real());
@ -1528,7 +1475,7 @@ int dll_pll_veml_tracking::general_work(int noutput_items __attribute__((unused)
d_sample_counter += d_current_prn_length_samples;
if (current_synchro_data.Flag_valid_symbol_output)
{
current_synchro_data.fs = static_cast<long int>(d_fs_in);
current_synchro_data.fs = static_cast<long int>(trk_parameters.fs_in);
current_synchro_data.Tracking_sample_counter = d_sample_counter;
*out[0] = current_synchro_data;
return 1;

70
src/algorithms/tracking/gnuradio_blocks/dll_pll_veml_tracking.h
View File

@ -39,20 +39,32 @@
#include <fstream>
#include <string>
typedef struct
{
/* DLL/PLL tracking configuration */
double fs_in;
unsigned int vector_length;
bool dump;
std::string dump_filename;
float pll_bw_hz;
float dll_bw_hz;
float pll_bw_narrow_hz;
float dll_bw_narrow_hz;
float early_late_space_chips;
float very_early_late_space_chips;
float early_late_space_narrow_chips;
float very_early_late_space_narrow_chips;
int extend_correlation_symbols;
bool track_pilot;
char system;
char signal[3];
} dllpllconf_t;
class dll_pll_veml_tracking;
typedef boost::shared_ptr<dll_pll_veml_tracking> dll_pll_veml_tracking_sptr;
dll_pll_veml_tracking_sptr dll_pll_veml_make_tracking(double fs_in, unsigned int vector_length,
bool dump, std::string dump_filename,
float pll_bw_hz, float dll_bw_hz,
float pll_bw_narrow_hz, float dll_bw_narrow_hz,
float early_late_space_chips, float very_early_late_space_chips,
float early_late_space_narrow_chips,
float very_early_late_space_narrow_chips,
int extend_correlation_symbols, bool track_pilot,
char system, char signal[3]);
dll_pll_veml_tracking_sptr dll_pll_veml_make_tracking(dllpllconf_t conf_);
/*!
* \brief This class implements a code DLL + carrier PLL tracking block.
@ -72,29 +84,9 @@ public:
void forecast(int noutput_items, gr_vector_int &ninput_items_required);
private:
friend dll_pll_veml_tracking_sptr dll_pll_veml_make_tracking(double fs_in, unsigned int vector_length,
bool dump, std::string dump_filename,
float pll_bw_hz, float dll_bw_hz, float pll_bw_narrow_hz,
float dll_bw_narrow_hz, float early_late_space_chips,
float very_early_late_space_chips, float early_late_space_narrow_chips,
float very_early_late_space_narrow_chips,
int extend_correlation_symbols, bool track_pilot,
char system, char signal[3]);
friend dll_pll_veml_tracking_sptr dll_pll_veml_make_tracking(dllpllconf_t conf_);
dll_pll_veml_tracking(double fs_in, unsigned int vector_length,
bool dump,
std::string dump_filename,
float pll_bw_hz,
float dll_bw_hz,
float pll_bw_narrow_hz,
float dll_bw_narrow_hz,
float early_late_space_chips,
float very_early_late_space_chips,
float early_late_space_narrow_chips,
float very_early_late_space_narrow_chips,
int extend_correlation_symbols,
bool track_pilot,
char system, char signal[3]);
dll_pll_veml_tracking(dllpllconf_t conf_);
bool cn0_and_tracking_lock_status();
bool acquire_secondary();
@ -107,12 +99,10 @@ private:
int save_matfile();
// tracking configuration vars
bool d_dump;
dllpllconf_t trk_parameters;
bool d_veml;
bool d_cloop;
unsigned int d_vector_length;
unsigned int d_channel;
double d_fs_in;
Gnss_Synchro *d_acquisition_gnss_synchro;
//Signal parameters
@ -135,10 +125,6 @@ private:
//Integration period in samples
int d_correlation_length_ms;
int d_n_correlator_taps;
float d_early_late_spc_chips;
float d_very_early_late_spc_chips;
float d_early_late_spc_narrow_chips;
float d_very_early_late_spc_narrow_chips;
float *d_tracking_code;
float *d_data_code;
@ -159,7 +145,6 @@ private:
gr_complex *d_Very_Late;
bool d_enable_extended_integration;
int d_extend_correlation_symbols;
int d_extend_correlation_symbols_count;
int d_current_symbol;
@ -170,7 +155,6 @@ private:
gr_complex d_VL_accu;
gr_complex d_last_prompt;
bool d_track_pilot;
gr_complex *d_Prompt_Data;
double d_code_phase_step_chips;
@ -187,11 +171,6 @@ private:
double d_acq_code_phase_samples;
double d_acq_carrier_doppler_hz;
// tracking parameters
float d_dll_bw_hz;
float d_pll_bw_hz;
float d_dll_bw_narrow_hz;
float d_pll_bw_narrow_hz;
// tracking vars
double d_carr_error_hz;
double d_carr_error_filt_hz;
@ -223,7 +202,6 @@ private:
gr_complex *d_Prompt_buffer;
// file dump
std::string d_dump_filename;
std::ofstream d_dump_file;
};