mirror of
https://github.com/gnss-sdr/gnss-sdr
synced 2024-06-14 09:16:51 +00:00
bds_b3i: bug fix in code generation
Moved code generation logic to use bool type to keep same notation as the previous implementations. More testing in code is required
This commit is contained in:
parent
e78ba653e6
commit
7f1619483f
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@ -32,21 +32,23 @@ Channel.signal=B3
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Channels.in_acquisition=1
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Channels_B3.count=5;
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Channel0.satellite = 21;
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Channel0.satellite = 27;
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Channel1.satellite = 22;
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Channel2.satellite = 27;
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Channel2.satellite = 21;
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Channel3.satellite = 28;
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Channel4.satellite = 30;
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;######### ACQUISITION GLOBAL CONFIG ############
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Acquisition_B3.implementation=BEIDOU_B3I_PCPS_Acquisition
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Acquisition_B3.item_type=gr_complex
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;Acquisition_B3.pfa=0.01
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Acquisition_B3.threshold=0.00015
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Acquisition_B3.coherent_integration_time_ms = 1
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Acquisition_B3.max_dwells = 1
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Acquisition_B3.threshold=0.0010
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Acquisition_B3.doppler_max=10000
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Acquisition_B3.doppler_step=100
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Acquisition_B3.dump=false;
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Acquisition_B3.dump_filename=/archive/bds_b3i_acq.dat
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Acquisition_B3.doppler_step=50
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Acquisition_B3.dump=true
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Acquisition_B3.dump_channel = 0;
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Acquisition_B3.dump_filename=/archive/bds_b3i_acq
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Acquisition_B3.blocking=false;
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Acquisition_B3.use_CFAR_algorithm=true;
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Acquisition_B3.bit_transition_flag = false;
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@ -68,7 +70,7 @@ TelemetryDecoder_B3.dump_filename=/archive/bds_b3i_tel_dec.dat
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;######### OBSERVABLES CONFIG ############
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Observables.implementation=Hybrid_Observables
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Observables.dump=true;
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Observables.dump_filename=/archive/bds_b2a_observables.dat
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Observables.dump_filename=/archive/bds_b3i_observables.dat
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;######### PVT CONFIG ############
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PVT.implementation=RTKLIB_PVT
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@ -269,10 +269,10 @@ RtklibPvt::RtklibPvt(ConfigurationInterface* configuration,
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int num_bands = 0;
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if ((gps_1C_count > 0) || (gal_1B_count > 0) || (glo_1G_count > 0) || (bds_B1_count > 0)) num_bands = 1;
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if (((gps_1C_count > 0) || (gal_1B_count > 0) || (glo_1G_count > 0)) && ((gps_2S_count > 0) || (glo_2G_count > 0) || (bds_B1_count > 0))) num_bands = 2;
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if (((gps_1C_count > 0) || (gal_1B_count > 0) || (glo_1G_count > 0)) && ((gal_E5a_count > 0) || (gal_E5b_count > 0) || (gps_L5_count > 0))) num_bands = 2;
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if (((gps_1C_count > 0) || (gal_1B_count > 0) || (glo_1G_count > 0)) && ((gps_2S_count > 0) || (glo_2G_count > 0) || (bds_B1_count > 0)) && ((gal_E5a_count > 0) || (gal_E5b_count > 0) || (gps_L5_count > 0))) num_bands = 3;
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if (( gps_1C_count > 0) || (gal_1B_count > 0) || (glo_1G_count > 0) || (bds_B1_count > 0)) num_bands = 1;
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if (((gps_1C_count > 0) || (gal_1B_count > 0) || (glo_1G_count > 0) || (bds_B1_count > 0)) && ((gps_2S_count > 0) || (glo_2G_count > 0) || (bds_B3_count > 0))) num_bands = 2;
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if (((gps_1C_count > 0) || (gal_1B_count > 0) || (glo_1G_count > 0) || (bds_B1_count > 0)) && ((gal_E5a_count > 0) || (gal_E5b_count > 0) || (gps_L5_count > 0))) num_bands = 2;
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if (((gps_1C_count > 0) || (gal_1B_count > 0) || (glo_1G_count > 0) || (bds_B1_count > 0)) && ((gps_2S_count > 0) || (glo_2G_count > 0) || (bds_B3_count > 0)) && ((gal_E5a_count > 0) || (gal_E5b_count > 0) || (gps_L5_count > 0))) num_bands = 3;
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int number_of_frequencies = configuration->property(role + ".num_bands", num_bands); /* (1:L1, 2:L1+L2, 3:L1+L2+L5) */
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if ((number_of_frequencies < 1) || (number_of_frequencies > 3))
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@ -356,7 +356,7 @@ RtklibPvt::RtklibPvt(ConfigurationInterface* configuration,
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if ((gps_1C_count > 0) || (gps_2S_count > 0) || (gps_L5_count > 0)) nsys += SYS_GPS;
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if ((gal_1B_count > 0) || (gal_E5a_count > 0) || (gal_E5b_count > 0)) nsys += SYS_GAL;
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if ((glo_1G_count > 0) || (glo_2G_count > 0)) nsys += SYS_GLO;
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if ((bds_B1_count > 0)) nsys += SYS_BDS;
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if ((bds_B1_count > 0) || (bds_B3_count > 0)) nsys += SYS_BDS;
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int navigation_system = configuration->property(role + ".navigation_system", nsys); /* (SYS_XXX) see src/algorithms/libs/rtklib/rtklib.h */
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if ((navigation_system < 1) || (navigation_system > 255)) /* GPS: 1 SBAS: 2 GPS+SBAS: 3 Galileo: 8 Galileo+GPS: 9 GPS+SBAS+Galileo: 11 All: 255 */
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@ -37,84 +37,89 @@ auto auxCeil = [](float x) { return static_cast<int>(static_cast<long>((x) + 1))
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void beidou_b3i_code_gen_int(int* _dest, signed int _prn, unsigned int _chip_shift)
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{
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const unsigned int _code_length = 10230;
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int8_t G1[_code_length];
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int8_t G2[_code_length];
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std::array<int8_t,13> G1_register = {{-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1}};
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std::array<int8_t,13> G2_register = {{-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1}};
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std::array<int8_t,13> G1_register_reset = {{-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,1,1}};
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int8_t feedback1, feedback2;
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uint32_t lcv, lcv2;
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bool G1[_code_length];
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bool G2[_code_length];
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std::array<bool,13> G1_register = {{1,1,1,1,1,1,1,1,1,1,1,1,1}};
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std::array<bool,13> G2_register = {{1,1,1,1,1,1,1,1,1,1,1,1,1}};
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std::array<bool,13> G1_register_reset = {{0,0,1,1,1,1,1,1,1,1,1,1,1}};
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bool feedback1, feedback2, aux;
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uint32_t lcv, lcv2, delay;
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int32_t prn_idx = _prn - 1;
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std::array<std::array<int8_t, 13>, 63> G2_register_shifted = {{
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{{-1,1,-1,1,-1,-1,-1,-1,-1,-1,-1,-1,-1}}, {{-1,-1,-1,-1,1,1,1,-1,1,-1,1,-1,-1}},
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{{-1,1,-1,-1,-1,-1,1,1,1,-1,1,-1,1}}, {{-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,1,-1,-1}},
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{{-1,-1,1,1,-1,1,1,1,-1,-1,-1,-1,-1}}, {{-1,1,1,-1,1,1,-1,-1,1,1,-1,1,1}},
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{{-1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1,1}}, {{-1,-1,-1,1,-1,-1,-1,-1,-1,-1,-1,1,-1}},
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{{-1,1,-1,1,1,1,1,1,1,1,1,-1,1}}, {{1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1}},
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{{-1,-1,-1,1,-1,1,-1,-1,-1,1,1,1,1}}, {{1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,1}},
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{{1,-1,-1,1,1,-1,1,1,-1,1,-1,1,-1}}, {{1,-1,-1,-1,1,1,1,-1,1,1,-1,-1,1}},
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{{-1,1,1,1,-1,-1,1,1,1,-1,1,1,-1}}, {{-1,-1,-1,1,1,1,-1,-1,-1,-1,-1,1,1}},
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{{1,1,-1,1,1,-1,-1,1,1,1,-1,1,-1}}, {{1,1,1,1,1,-1,-1,-1,1,-1,-1,1,1}},
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{{-1,1,1,1,-1,1,-1,1,-1,1,-1,-1,-1}}, {{1,1,1,-1,1,-1,-1,1,-1,-1,-1,-1,1}},
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{{1,1,-1,1,1,1,1,-1,1,-1,-1,1,-1}}, {{1,1,-1,1,-1,-1,1,1,1,-1,1,-1,1}},
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{{1,1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1}}, {{1,1,-1,-1,1,1,-1,-1,1,1,1,-1,1}},
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{{1,1,-1,-1,-1,1,-1,1,1,-1,1,1,1}}, {{1,-1,1,1,-1,1,1,-1,1,-1,1,1,-1}},
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{{-1,1,-1,-1,1,-1,-1,1,-1,1,1,-1,-1}}, {{-1,1,-1,1,-1,-1,-1,-1,1,1,1,-1,1}},
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{{1,1,1,-1,1,-1,-1,-1,-1,1,-1,1,-1}}, {{1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1}},
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{{1,-1,-1,1,-1,-1,1,1,1,-1,-1,-1,-1}}, {{-1,1,-1,1,-1,-1,1,1,1,-1,1,1,-1}},
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{{-1,1,1,-1,1,-1,1,-1,1,-1,1,-1,-1}}, {{-1,-1,1,1,-1,-1,1,-1,1,1,-1,1,-1}},
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{{-1,-1,1,-1,1,1,-1,1,-1,-1,-1,1,-1}}, {{-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,1,1}},
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{{1,1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1}}, {{-1,-1,-1,1,-1,1,1,1,-1,1,1,1,1}},
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{{-1,-1,1,-1,-1,-1,1,1,-1,1,1,1,1}}, {{-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,1}},
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{{-1,1,1,1,1,1,1,-1,-1,1,-1,1,1}}, {{1,-1,1,-1,-1,-1,-1,1,-1,-1,1,1,-1}},
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{{1,-1,-1,1,-1,-1,1,-1,-1,-1,-1,1,1}}, {{-1,-1,1,-1,1,1,-1,-1,-1,1,1,1,-1}},
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{{1,1,-1,-1,-1,1,1,-1,1,1,1,-1,1}}, {{1,-1,1,-1,1,-1,-1,1,1,1,-1,1,-1}},
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{{-1,1,1,-1,-1,-1,-1,-1,1,1,-1,-1,1}}, {{-1,-1,-1,-1,-1,1,-1,1,1,-1,1,1,1}},
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{{1,1,1,1,-1,1,-1,1,1,-1,1,1,-1}}, {{-1,1,1,1,1,-1,1,-1,1,-1,-1,1,1}},
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{{-1,-1,-1,-1,1,1,-1,1,1,-1,-1,1,1}}, {{1,-1,1,1,-1,-1,1,1,1,-1,-1,-1,-1}},
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{{1,1,1,1,1,1,1,1,-1,-1,1,1,1}}, {{-1,1,1,1,1,1,1,1,1,1,-1,1,1}},
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{{1,1,-1,-1,1,-1,1,-1,1,1,-1,-1,1}}, {{-1,1,-1,-1,1,1,-1,1,1,1,-1,-1,1}},
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{{1,-1,-1,-1,1,1,-1,-1,-1,-1,1,1,1}}, {{1,1,-1,1,-1,-1,-1,1,1,-1,1,-1,1}},
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{{-1,-1,1,1,-1,-1,-1,-1,-1,1,-1,-1,1}}, {{-1,1,1,-1,1,1,-1,1,1,1,-1,1,-1}},
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{{1,-1,-1,-1,1,1,1,-1,1,1,1,1,1}}, {{1,1,-1,-1,1,1,-1,1,1,1,1,-1,1}},
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{{1,1,-1,1,1,1,-1,1,1,-1,-1,-1,1}}}};
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std::array<std::array<bool, 13>, 63> G2_register_shifted = {{
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{{1,0,1,0,1,1,1,1,1,1,1,1,1,}}, {{1,1,1,1,0,0,0,1,0,1,0,1,1,}}, {{1,0,1,1,1,1,0,0,0,1,0,1,0,}}, {{1,1,1,1,1,1,1,1,1,1,0,1,1,}},
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{{1,1,0,0,1,0,0,0,1,1,1,1,1,}}, {{1,0,0,1,0,0,1,1,0,0,1,0,0,}}, {{1,1,1,1,1,1,1,0,1,0,0,1,0,}}, {{1,1,1,0,1,1,1,1,1,1,1,0,1,}},
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{{1,0,1,0,0,0,0,0,0,0,0,1,0,}}, {{0,0,1,0,0,0,0,0,1,1,0,1,1,}}, {{1,1,1,0,1,0,1,1,1,0,0,0,0,}}, {{0,0,1,0,1,1,0,0,1,1,1,1,0,}},
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{{0,1,1,0,0,1,0,0,1,0,1,0,1,}}, {{0,1,1,1,0,0,0,1,0,0,1,1,0,}}, {{1,0,0,0,1,1,0,0,0,1,0,0,1,}}, {{1,1,1,0,0,0,1,1,1,1,1,0,0,}},
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{{0,0,1,0,0,1,1,0,0,0,1,0,1,}}, {{0,0,0,0,0,1,1,1,0,1,1,0,0,}}, {{1,0,0,0,1,0,1,0,1,0,1,1,1,}}, {{0,0,0,1,0,1,1,0,1,1,1,1,0,}},
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{{0,0,1,0,0,0,0,1,0,1,1,0,1,}}, {{0,0,1,0,1,1,0,0,0,1,0,1,0,}}, {{0,0,0,1,0,1,1,0,0,1,1,1,1,}}, {{0,0,1,1,0,0,1,1,0,0,0,1,0,}},
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{{0,0,1,1,1,0,1,0,0,1,0,0,0,}}, {{0,1,0,0,1,0,0,1,0,1,0,0,1,}}, {{1,0,1,1,0,1,1,0,1,0,0,1,1,}}, {{1,0,1,0,1,1,1,1,0,0,0,1,0,}},
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{{0,0,0,1,0,1,1,1,1,0,1,0,1,}}, {{0,1,1,1,1,1,1,1,1,1,1,1,1,}}, {{0,1,1,0,1,1,0,0,0,1,1,1,1,}}, {{1,0,1,0,1,1,0,0,0,1,0,0,1,}},
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{{1,0,0,1,0,1,0,1,0,1,0,1,1,}}, {{1,1,0,0,1,1,0,1,0,0,1,0,1,}}, {{1,1,0,1,0,0,1,0,1,1,1,0,1,}}, {{1,1,1,1,1,0,1,1,1,0,1,0,0,}},
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{{0,0,1,0,1,0,1,1,0,0,1,1,1,}}, {{1,1,1,0,1,0,0,0,1,0,0,0,0,}}, {{1,1,0,1,1,1,0,0,1,0,0,0,0,}}, {{1,1,0,1,0,1,1,0,0,1,1,1,0,}},
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{{1,0,0,0,0,0,0,1,1,0,1,0,0,}}, {{0,1,0,1,1,1,1,0,1,1,0,0,1,}}, {{0,1,1,0,1,1,0,1,1,1,1,0,0,}}, {{1,1,0,1,0,0,1,1,1,0,0,0,1,}},
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{{0,0,1,1,1,0,0,1,0,0,0,1,0,}}, {{0,1,0,1,0,1,1,0,0,0,1,0,1,}}, {{1,0,0,1,1,1,1,1,0,0,1,1,0,}}, {{1,1,1,1,1,0,1,0,0,1,0,0,0,}},
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{{0,0,0,0,1,0,1,0,0,1,0,0,1,}}, {{1,0,0,0,0,1,0,1,0,1,1,0,0,}}, {{1,1,1,1,0,0,1,0,0,1,1,0,0,}}, {{0,1,0,0,1,1,0,0,0,1,1,1,1,}},
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{{0,0,0,0,0,0,0,0,1,1,0,0,0,}}, {{1,0,0,0,0,0,0,0,0,0,1,0,0,}}, {{0,0,1,1,0,1,0,1,0,0,1,1,0,}}, {{1,0,1,1,0,0,1,0,0,0,1,1,0,}},
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{{0,1,1,1,0,0,1,1,1,1,0,0,0,}}, {{0,0,1,0,1,1,1,0,0,1,0,1,0,}}, {{1,1,0,0,1,1,1,1,1,0,1,1,0,}}, {{1,0,0,1,0,0,1,0,0,0,1,0,1,}},
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{{0,1,1,1,0,0,0,1,0,0,0,0,0,}}, {{0,0,1,1,0,0,1,0,0,0,0,1,0,}}, {{0,0,1,0,0,0,1,0,0,1,1,1,0,}}}};
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/* A simple error check */
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if ((prn_idx < 0) || (prn_idx > 64))
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// A simple error check
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if ((prn_idx < 0) || (prn_idx > 63))
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return;
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/*Assign shifted G2 register based on prn number*/
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// Assign shifted G2 register based on prn number
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G2_register = G2_register_shifted[prn_idx];
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std::reverse(G2_register.begin(), G2_register.end()) ;
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/* Generate G1 and G2 Register */
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// Generate G1 and G2 Register
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for (lcv = 0; lcv < _code_length; lcv++)
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{
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G1[lcv] = G1_register[12];
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G2[lcv] = G2_register[12];
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G1[lcv] = G1_register[0];
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G2[lcv] = G2_register[0];
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feedback1 = G1_register[0]*G1_register[2]*G1_register[3]*G1_register[12];
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feedback2 = G2_register[0]*G2_register[4]*G2_register[5]*G2_register[6]*
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G2_register[8]*G2_register[9]*G2_register[11]*G2_register[12];
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//feedback1 = (test_G1_register[0]+test_G1_register[2]+test_G1_register[3]+test_G1_register[12]) & 0x1;
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feedback1 = (G1_register[0]+G1_register[9]+G1_register[10]+G1_register[12]) & 0x01;
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feedback2 = (G2_register[0]+G2_register[1]+G2_register[3]+G2_register[4]+
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G2_register[6]+G2_register[7]+G2_register[8]+G2_register[12]) & 0x01;
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for (lcv2 = 0; lcv2 < 12; lcv2++)
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{
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G1_register[lcv2 + 1] = G1_register[lcv2];
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G2_register[lcv2 + 1] = G2_register[lcv2];
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G1_register[lcv2] = G1_register[lcv2 + 1];
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G2_register[lcv2] = G2_register[lcv2 + 1];
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}
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G1_register[0] = feedback1;
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G2_register[0] = feedback2;
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G1_register[12] = feedback1;
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G2_register[12] = feedback2;
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// Reset G1 register if sequence found
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if(G1_register == G1_register_reset)
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{
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G1_register = {{-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1}};
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G1_register = {{1,1,1,1,1,1,1,1,1,1,1,1,1}};
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}
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// Generate ranging code
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_dest[lcv] = static_cast<int>(-G1[lcv]*G2[lcv]);
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}
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delay = _code_length;
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delay += _chip_shift;
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delay %= _code_length;
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/* Generate PRN from G1 and G2 Registers */
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for (lcv = 0; lcv < _code_length; lcv++)
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{
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aux = (G1[(lcv + _chip_shift) % _code_length] + G2[delay]) & 0x01;
|
||||
if (aux == true)
|
||||
{
|
||||
_dest[lcv] = 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
_dest[lcv] = -1;
|
||||
}
|
||||
|
||||
delay++;
|
||||
delay %= _code_length;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
|
|
@ -37,6 +37,7 @@
|
|||
#include <iostream>
|
||||
#include <cstdint>
|
||||
#include <array>
|
||||
#include <algorithm>
|
||||
|
||||
//!Generates int BeiDou B3I code for the desired SV ID and code shift
|
||||
void beidou_b3i_code_gen_int(int* _dest, signed int _prn, unsigned int _chip_shift);
|
||||
|
|
|
@ -102,7 +102,7 @@ BeidouB3iDllPllTracking::BeidouB3iDllPllTracking(
|
|||
trk_param.very_early_late_space_narrow_chips = 0.0;
|
||||
trk_param.track_pilot = false;
|
||||
trk_param.system = 'C';
|
||||
char sig_[3] = "B1";
|
||||
char sig_[3] = "B3";
|
||||
std::memcpy(trk_param.signal, sig_, 3);
|
||||
int cn0_samples = configuration->property(role + ".cn0_samples", 20);
|
||||
if (FLAGS_cn0_samples != 20) cn0_samples = FLAGS_cn0_samples;
|
||||
|
|
|
@ -36,10 +36,10 @@
|
|||
#include "MATH_CONSTANTS.h"
|
||||
|
||||
// carrier and code frequencies
|
||||
const double BEIDOU_B3I_FREQ_HZ = 1.268520e9; //!< b1I [Hz]
|
||||
const double BEIDOU_B3I_CODE_RATE_HZ = 10.23e6; //!< beidou b1I code rate [chips/s]
|
||||
const double BEIDOU_B3I_CODE_LENGTH_CHIPS = 10230.0; //!< beidou b1I code length [chips]
|
||||
const double BEIDOU_B3I_CODE_PERIOD = 0.001; //!< beidou b1I code period [seconds]
|
||||
const double BEIDOU_B3I_FREQ_HZ = 1.268520e9; //!< BeiDou B3I [Hz]
|
||||
const double BEIDOU_B3I_CODE_RATE_HZ = 10.23e6; //!< BeiDou B3I code rate [chips/s]
|
||||
const double BEIDOU_B3I_CODE_LENGTH_CHIPS = 10230.0; //!< BeiDou B3I code length [chips]
|
||||
const double BEIDOU_B3I_CODE_PERIOD = 0.001; //!< BeiDou B3I code period [seconds]
|
||||
const unsigned int BEIDOU_B3I_CODE_PERIOD_MS = 1; //!< GPS L1 C/A code period [ms]
|
||||
const int BEIDOU_B3I_SECONDARY_CODE_LENGTH = 20;
|
||||
const std::string BEIDOU_B3I_SECONDARY_CODE = "00000100110101001110";
|
||||
|
|
|
@ -28,13 +28,13 @@
|
|||
|
||||
%%%%%%%%% ?????? CONFIGURE !!! %%%%%%%%%%%%%
|
||||
|
||||
path = '/home/dmiralles/Documents/gnss-sdr/';
|
||||
file = 'bds_acq';
|
||||
path = '/archive/';
|
||||
file = 'bds_b3i_acq';
|
||||
|
||||
sat = 32;
|
||||
sat = 27;
|
||||
|
||||
channel = 0;
|
||||
execution = 3;
|
||||
execution = 6;
|
||||
% Signal:
|
||||
% 1 GPS L1
|
||||
% 2 GPS L2M
|
||||
|
@ -44,7 +44,7 @@ execution = 3;
|
|||
% 6 Glo. 1G
|
||||
% 7 BDS B1
|
||||
|
||||
signal_type = 7;
|
||||
signal_type = 8;
|
||||
|
||||
%%% True for light acq_grid representation
|
||||
lite_view = true;
|
||||
|
@ -83,6 +83,10 @@ switch(signal_type)
|
|||
n_chips = 2046;
|
||||
system = 'C';
|
||||
signal = 'B1';
|
||||
case 8
|
||||
n_chips = 10230;
|
||||
system = 'C';
|
||||
signal = 'B3';
|
||||
end
|
||||
filename = [path file '_' system '_' signal '_ch_' num2str(channel) '_' num2str(execution) '_sat_' num2str(sat) '.mat'];
|
||||
load(filename);
|
||||
|
|
Loading…
Reference in New Issue
Block a user