mirror of
https://github.com/gnss-sdr/gnss-sdr
synced 2024-11-19 16:24:58 +00:00
Merge branch 'tracking_conf_structure' of https://github.com/antonioramosdet/gnss-sdr into antonioramosdet-tracking_conf_structure
This commit is contained in:
Carles Fernandez
commit
80749fbdcd
@ -48,24 +48,35 @@ GalileoE1DllPllVemlTracking::GalileoE1DllPllVemlTracking(
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ConfigurationInterface* configuration, std::string role,
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unsigned int in_streams, unsigned int out_streams) : role_(role), in_streams_(in_streams), out_streams_(out_streams)
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{
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dllpllconf_t trk_param;
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DLOG(INFO) << "role " << role;
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//################# CONFIGURATION PARAMETERS ########################
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std::string default_item_type = "gr_complex";
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std::string item_type = configuration->property(role + ".item_type", default_item_type);
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int fs_in_deprecated = configuration->property("GNSS-SDR.internal_fs_hz", 2048000);
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int fs_in = configuration->property("GNSS-SDR.internal_fs_sps", fs_in_deprecated);
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trk_param.fs_in = fs_in;
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bool dump = configuration->property(role + ".dump", false);
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trk_param.dump = dump;
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float pll_bw_hz = configuration->property(role + ".pll_bw_hz", 5.0);
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if (FLAGS_pll_bw_hz != 0.0) pll_bw_hz = static_cast<float>(FLAGS_pll_bw_hz);
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trk_param.pll_bw_hz = pll_bw_hz;
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float dll_bw_hz = configuration->property(role + ".dll_bw_hz", 0.5);
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if (FLAGS_dll_bw_hz != 0.0) dll_bw_hz = static_cast<float>(FLAGS_dll_bw_hz);
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trk_param.dll_bw_hz = dll_bw_hz;
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float pll_bw_narrow_hz = configuration->property(role + ".pll_bw_narrow_hz", 2.0);
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trk_param.pll_bw_narrow_hz = pll_bw_narrow_hz;
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float dll_bw_narrow_hz = configuration->property(role + ".dll_bw_narrow_hz", 0.25);
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trk_param.dll_bw_narrow_hz = dll_bw_narrow_hz;
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int extend_correlation_symbols = configuration->property(role + ".extend_correlation_symbols", 1);
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float early_late_space_chips = configuration->property(role + ".early_late_space_chips", 0.15);
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trk_param.early_late_space_chips = early_late_space_chips;
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float very_early_late_space_chips = configuration->property(role + ".very_early_late_space_chips", 0.6);
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trk_param.very_early_late_space_chips = very_early_late_space_chips;
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float early_late_space_narrow_chips = configuration->property(role + ".early_late_space_narrow_chips", 0.15);
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trk_param.early_late_space_narrow_chips = early_late_space_narrow_chips;
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float very_early_late_space_narrow_chips = configuration->property(role + ".very_early_late_space_narrow_chips", 0.6);
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trk_param.very_early_late_space_narrow_chips = very_early_late_space_narrow_chips;
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bool track_pilot = configuration->property(role + ".track_pilot", false);
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if (extend_correlation_symbols < 1)
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{
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@ -81,31 +92,21 @@ GalileoE1DllPllVemlTracking::GalileoE1DllPllVemlTracking(
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{
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std::cout << TEXT_RED << "WARNING: Galileo E1. PLL or DLL narrow tracking bandwidth is higher than wide tracking one" << TEXT_RESET << std::endl;
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}
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trk_param.track_pilot = track_pilot;
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trk_param.extend_correlation_symbols = extend_correlation_symbols;
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std::string default_dump_filename = "./track_ch";
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std::string dump_filename = configuration->property(role + ".dump_filename", default_dump_filename);
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trk_param.dump_filename = dump_filename;
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int vector_length = std::round(fs_in / (Galileo_E1_CODE_CHIP_RATE_HZ / Galileo_E1_B_CODE_LENGTH_CHIPS));
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trk_param.vector_length = vector_length;
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trk_param.system = 'E';
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char sig_[3] = "1B";
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std::memcpy(trk_param.signal, sig_, 3);
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//################# MAKE TRACKING GNURadio object ###################
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if (item_type.compare("gr_complex") == 0)
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{
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item_size_ = sizeof(gr_complex);
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char sig_[3] = "1B";
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tracking_ = dll_pll_veml_make_tracking(
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fs_in,
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vector_length,
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dump,
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dump_filename,
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pll_bw_hz,
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dll_bw_hz,
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pll_bw_narrow_hz,
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dll_bw_narrow_hz,
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early_late_space_chips,
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very_early_late_space_chips,
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early_late_space_narrow_chips,
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very_early_late_space_narrow_chips,
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extend_correlation_symbols,
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track_pilot, 'E', sig_);
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tracking_ = dll_pll_veml_make_tracking(trk_param);
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}
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else
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{
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@ -49,25 +49,36 @@ GalileoE5aDllPllTracking::GalileoE5aDllPllTracking(
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ConfigurationInterface* configuration, std::string role,
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unsigned int in_streams, unsigned int out_streams) : role_(role), in_streams_(in_streams), out_streams_(out_streams)
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{
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dllpllconf_t trk_param;
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DLOG(INFO) << "role " << role;
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//################# CONFIGURATION PARAMETERS ########################
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std::string default_item_type = "gr_complex";
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std::string item_type = configuration->property(role + ".item_type", default_item_type);
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int fs_in_deprecated = configuration->property("GNSS-SDR.internal_fs_hz", 12000000);
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int fs_in = configuration->property("GNSS-SDR.internal_fs_sps", fs_in_deprecated);
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trk_param.fs_in = fs_in;
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bool dump = configuration->property(role + ".dump", false);
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trk_param.dump = dump;
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float pll_bw_hz = configuration->property(role + ".pll_bw_hz", 20.0);
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if (FLAGS_pll_bw_hz != 0.0) pll_bw_hz = static_cast<float>(FLAGS_pll_bw_hz);
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trk_param.pll_bw_hz = pll_bw_hz;
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float dll_bw_hz = configuration->property(role + ".dll_bw_hz", 20.0);
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if (FLAGS_dll_bw_hz != 0.0) dll_bw_hz = static_cast<float>(FLAGS_dll_bw_hz);
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trk_param.dll_bw_hz = dll_bw_hz;
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float pll_bw_narrow_hz = configuration->property(role + ".pll_bw_narrow_hz", 5.0);
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trk_param.pll_bw_narrow_hz = pll_bw_narrow_hz;
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float dll_bw_narrow_hz = configuration->property(role + ".dll_bw_narrow_hz", 2.0);
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trk_param.dll_bw_narrow_hz = dll_bw_narrow_hz;
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float early_late_space_chips = configuration->property(role + ".early_late_space_chips", 0.5);
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trk_param.early_late_space_chips = early_late_space_chips;
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std::string default_dump_filename = "./track_ch";
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std::string dump_filename = configuration->property(role + ".dump_filename", default_dump_filename);
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trk_param.dump_filename = dump_filename;
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int vector_length = std::round(fs_in / (Galileo_E5a_CODE_CHIP_RATE_HZ / Galileo_E5a_CODE_LENGTH_CHIPS));
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trk_param.vector_length = vector_length;
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int extend_correlation_symbols = configuration->property(role + ".extend_correlation_symbols", 1);
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float early_late_space_narrow_chips = configuration->property(role + ".early_late_space_narrow_chips", 0.15);
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trk_param.early_late_space_narrow_chips = early_late_space_narrow_chips;
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bool track_pilot = configuration->property(role + ".track_pilot", false);
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if (extend_correlation_symbols < 1)
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{
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@ -83,22 +94,18 @@ GalileoE5aDllPllTracking::GalileoE5aDllPllTracking(
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{
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std::cout << TEXT_RED << "WARNING: Galileo E5a. PLL or DLL narrow tracking bandwidth is higher than wide tracking one" << TEXT_RESET << std::endl;
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}
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trk_param.extend_correlation_symbols = extend_correlation_symbols;
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trk_param.track_pilot = track_pilot;
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trk_param.very_early_late_space_chips = 0.0;
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trk_param.very_early_late_space_narrow_chips = 0.0;
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trk_param.system = 'E';
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char sig_[3] = "5X";
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std::memcpy(trk_param.signal, sig_, 3);
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//################# MAKE TRACKING GNURadio object ###################
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if (item_type.compare("gr_complex") == 0)
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{
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item_size_ = sizeof(gr_complex);
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char sig_[3] = "5X";
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item_size_ = sizeof(gr_complex);
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tracking_ = dll_pll_veml_make_tracking(
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fs_in, vector_length, dump, dump_filename,
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pll_bw_hz, dll_bw_hz,
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pll_bw_narrow_hz, dll_bw_narrow_hz,
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early_late_space_chips,
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early_late_space_chips,
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early_late_space_narrow_chips,
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early_late_space_narrow_chips,
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extend_correlation_symbols,
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track_pilot, 'E', sig_);
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tracking_ = dll_pll_veml_make_tracking(trk_param);
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}
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else
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{
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@ -49,24 +49,35 @@ GpsL1CaDllPllTracking::GpsL1CaDllPllTracking(
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ConfigurationInterface* configuration, std::string role,
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unsigned int in_streams, unsigned int out_streams) : role_(role), in_streams_(in_streams), out_streams_(out_streams)
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{
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dllpllconf_t trk_param;
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DLOG(INFO) << "role " << role;
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//################# CONFIGURATION PARAMETERS ########################
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std::string default_item_type = "gr_complex";
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std::string item_type = configuration->property(role + ".item_type", default_item_type);
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int fs_in_deprecated = configuration->property("GNSS-SDR.internal_fs_hz", 2048000);
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int fs_in = configuration->property("GNSS-SDR.internal_fs_sps", fs_in_deprecated);
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trk_param.fs_in = fs_in;
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bool dump = configuration->property(role + ".dump", false);
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trk_param.dump = dump;
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float pll_bw_hz = configuration->property(role + ".pll_bw_hz", 50.0);
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if (FLAGS_pll_bw_hz != 0.0) pll_bw_hz = static_cast<float>(FLAGS_pll_bw_hz);
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trk_param.pll_bw_hz = pll_bw_hz;
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float pll_bw_narrow_hz = configuration->property(role + ".pll_bw_narrow_hz", 20.0);
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trk_param.pll_bw_narrow_hz = pll_bw_narrow_hz;
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float dll_bw_narrow_hz = configuration->property(role + ".dll_bw_narrow_hz", 2.0);
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trk_param.dll_bw_narrow_hz = dll_bw_narrow_hz;
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float dll_bw_hz = configuration->property(role + ".dll_bw_hz", 2.0);
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if (FLAGS_dll_bw_hz != 0.0) dll_bw_hz = static_cast<float>(FLAGS_dll_bw_hz);
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trk_param.dll_bw_hz = dll_bw_hz;
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float early_late_space_chips = configuration->property(role + ".early_late_space_chips", 0.5);
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trk_param.early_late_space_chips = early_late_space_chips;
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float early_late_space_narrow_chips = configuration->property(role + ".early_late_space_narrow_chips", 0.5);
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trk_param.early_late_space_narrow_chips = early_late_space_narrow_chips;
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std::string default_dump_filename = "./track_ch";
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std::string dump_filename = configuration->property(role + ".dump_filename", default_dump_filename);
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trk_param.dump_filename = dump_filename;
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int vector_length = std::round(fs_in / (GPS_L1_CA_CODE_RATE_HZ / GPS_L1_CA_CODE_LENGTH_CHIPS));
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trk_param.vector_length = vector_length;
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int symbols_extended_correlator = configuration->property(role + ".extend_correlation_symbols", 1);
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if (symbols_extended_correlator < 1)
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{
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@ -78,6 +89,7 @@ GpsL1CaDllPllTracking::GpsL1CaDllPllTracking(
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symbols_extended_correlator = 20;
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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;
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}
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trk_param.extend_correlation_symbols = symbols_extended_correlator;
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bool track_pilot = configuration->property(role + ".track_pilot", false);
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if (track_pilot)
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{
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@ -87,22 +99,17 @@ GpsL1CaDllPllTracking::GpsL1CaDllPllTracking(
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{
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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;
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}
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trk_param.very_early_late_space_chips = 0.0;
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trk_param.very_early_late_space_narrow_chips = 0.0;
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trk_param.track_pilot = false;
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trk_param.system = 'G';
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char sig_[3] = "1C";
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std::memcpy(trk_param.signal, sig_, 3);
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//################# MAKE TRACKING GNURadio object ###################
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if (item_type.compare("gr_complex") == 0)
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{
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char sig_[3] = "1C";
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item_size_ = sizeof(gr_complex);
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tracking_ = dll_pll_veml_make_tracking(
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fs_in, vector_length, dump,
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dump_filename, pll_bw_hz, dll_bw_hz,
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pll_bw_narrow_hz, dll_bw_narrow_hz,
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early_late_space_chips,
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early_late_space_chips,
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early_late_space_narrow_chips,
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early_late_space_narrow_chips,
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symbols_extended_correlator,
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false,
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'G', sig_);
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tracking_ = dll_pll_veml_make_tracking(trk_param);
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}
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else
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{
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@ -49,46 +49,54 @@ GpsL2MDllPllTracking::GpsL2MDllPllTracking(
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ConfigurationInterface* configuration, std::string role,
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unsigned int in_streams, unsigned int out_streams) : role_(role), in_streams_(in_streams), out_streams_(out_streams)
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{
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dllpllconf_t trk_param;
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DLOG(INFO) << "role " << role;
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//################# CONFIGURATION PARAMETERS ########################
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std::string default_item_type = "gr_complex";
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std::string item_type = configuration->property(role + ".item_type", default_item_type);
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int fs_in_deprecated = configuration->property("GNSS-SDR.internal_fs_hz", 2048000);
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int fs_in = configuration->property("GNSS-SDR.internal_fs_sps", fs_in_deprecated);
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trk_param.fs_in = fs_in;
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bool dump = configuration->property(role + ".dump", false);
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trk_param.dump = dump;
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float pll_bw_hz = configuration->property(role + ".pll_bw_hz", 2.0);
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if (FLAGS_pll_bw_hz != 0.0) pll_bw_hz = static_cast<float>(FLAGS_pll_bw_hz);
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trk_param.pll_bw_hz = pll_bw_hz;
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float dll_bw_hz = configuration->property(role + ".dll_bw_hz", 0.75);
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if (FLAGS_dll_bw_hz != 0.0) dll_bw_hz = static_cast<float>(FLAGS_dll_bw_hz);
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trk_param.dll_bw_hz = dll_bw_hz;
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float early_late_space_chips = configuration->property(role + ".early_late_space_chips", 0.5);
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trk_param.early_late_space_chips = early_late_space_chips;
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trk_param.early_late_space_narrow_chips = 0.0;
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std::string default_dump_filename = "./track_ch";
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std::string dump_filename = configuration->property(role + ".dump_filename", default_dump_filename);
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trk_param.dump_filename = dump_filename;
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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)));
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trk_param.vector_length = vector_length;
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int symbols_extended_correlator = configuration->property(role + ".extend_correlation_symbols", 1);
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if (symbols_extended_correlator != 1)
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{
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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;
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}
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trk_param.extend_correlation_symbols = 1;
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bool track_pilot = configuration->property(role + ".track_pilot", false);
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if (track_pilot)
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{
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std::cout << TEXT_RED << "WARNING: GPS L2 does not have pilot signal. Data tracking has been enabled" << TEXT_RESET << std::endl;
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}
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trk_param.track_pilot = false;
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trk_param.very_early_late_space_chips = 0.0;
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trk_param.very_early_late_space_narrow_chips = 0.0;
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trk_param.pll_bw_narrow_hz = 0.0;
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trk_param.dll_bw_narrow_hz = 0.0;
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trk_param.system = 'G';
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char sig_[3] = "2S";
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std::memcpy(trk_param.signal, sig_, 3);
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//################# MAKE TRACKING GNURadio object ###################
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if (item_type.compare("gr_complex") == 0)
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{
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item_size_ = sizeof(gr_complex);
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char sig_[3] = "2S";
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item_size_ = sizeof(gr_complex);
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tracking_ = dll_pll_veml_make_tracking(
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fs_in, vector_length, dump, dump_filename,
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pll_bw_hz, dll_bw_hz, pll_bw_hz, dll_bw_hz,
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early_late_space_chips,
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early_late_space_chips,
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early_late_space_chips,
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early_late_space_chips,
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1, false, 'G', sig_);
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tracking_ = dll_pll_veml_make_tracking(trk_param);
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}
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else
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{
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@ -49,25 +49,36 @@ GpsL5iDllPllTracking::GpsL5iDllPllTracking(
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ConfigurationInterface* configuration, std::string role,
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unsigned int in_streams, unsigned int out_streams) : role_(role), in_streams_(in_streams), out_streams_(out_streams)
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{
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dllpllconf_t trk_param;
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DLOG(INFO) << "role " << role;
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//################# CONFIGURATION PARAMETERS ########################
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std::string default_item_type = "gr_complex";
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std::string item_type = configuration->property(role + ".item_type", default_item_type);
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int fs_in_deprecated = configuration->property("GNSS-SDR.internal_fs_hz", 2048000);
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int fs_in = configuration->property("GNSS-SDR.internal_fs_sps", fs_in_deprecated);
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trk_param.fs_in = fs_in;
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bool dump = configuration->property(role + ".dump", false);
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trk_param.dump = dump;
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float pll_bw_hz = configuration->property(role + ".pll_bw_hz", 50.0);
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if (FLAGS_pll_bw_hz != 0.0) pll_bw_hz = static_cast<float>(FLAGS_pll_bw_hz);
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trk_param.pll_bw_hz = pll_bw_hz;
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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
|
||||
{
|
||||
|
||||
@ -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;
|
||||
|
||||
@ -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;
|
||||
};
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user