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beidou b1i: checking performance with new data set

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This commit is contained in:
Damian Miralles 2018-11-04 17:31:58 -06:00
parent e22f8e57c1
commit c20cd33038
4 changed files with 241 additions and 15 deletions
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111
conf/gnss-sdr_BDS_B1I_byte.conf Normal file
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@ -0,0 +1,111 @@
; This is a GNSS-SDR configuration file
; The configuration API is described at https://gnss-sdr.org/docs/sp-blocks/
; You can define your own receiver and invoke it by doing
; gnss-sdr --config_file=my_GNSS_SDR_configuration.conf
;
[GNSS-SDR]
;######### GLOBAL OPTIONS ##################
;internal_fs_sps: Internal signal sampling frequency after the signal conditioning stage [samples per second].
GNSS-SDR.internal_fs_sps=99375000
;######### CONTROL_THREAD CONFIG ############
ControlThread.wait_for_flowgraph=false
;######### SIGNAL_SOURCE CONFIG ############
SignalSource.implementation=File_Signal_Source
SignalSource.filename=/media/dmiralles/Seagate Backup Plus Drive/GNSS Data/Beidou_B1_IF_signal.bin
SignalSource.item_type=byte
SignalSource.sampling_frequency=99375000
SignalSource.samples=0
SignalSource.repeat=false
SignalSource.dump=false
SignalSource.enable_throttle_control=false
;######### SIGNAL_CONDITIONER CONFIG ############
SignalConditioner.implementation=Signal_Conditioner
DataTypeAdapter.implementation=Byte_To_Short
InputFilter.implementation=Freq_Xlating_Fir_Filter
InputFilter.input_item_type=short
InputFilter.output_item_type=gr_complex
InputFilter.taps_item_type=float
InputFilter.number_of_taps=5
InputFilter.number_of_bands=2
InputFilter.band1_begin=0.0
InputFilter.band1_end=0.70
InputFilter.band2_begin=0.80
InputFilter.band2_end=1.0
InputFilter.ampl1_begin=1.0
InputFilter.ampl1_end=1.0
InputFilter.ampl2_begin=0.0
InputFilter.ampl2_end=0.0
InputFilter.band1_error=1.0
InputFilter.band2_error=1.0
InputFilter.filter_type=bandpass
InputFilter.grid_density=16
InputFilter.sampling_frequency=99375000
InputFilter.IF=28902000
Resampler.implementation=Pass_Through
Resampler.sample_freq_in=99375000
Resampler.sample_freq_out=99375000
Resampler.item_type=gr_complex
;######### CHANNELS GLOBAL CONFIG ############
Channels_B1.count=8
Channels.in_acquisition=1
Channel.signal=B1
;######### ACQUISITION GLOBAL CONFIG ############
Acquisition_B1.implementation=BEIDOU_B1I_PCPS_Acquisition
Acquisition_B1.item_type=gr_complex
Acquisition_B1.coherent_integration_time_ms=1
Acquisition_B1.threshold=0.00005
;Acquisition_B1.pfa=0.0000001;
Acquisition_B1.doppler_max=10000
Acquisition_B1.doppler_step=100
Acquisition_B1.dump=true
Acquisition_B1.dump_filename=./bds_acq
Acquisition_B1.blocking=false;
Acquisition_B1.use_CFAR_algorithm=true;
Acquisition_B1.bit_transition_flag = false;
;######### TRACKING GLOBAL CONFIG ############
Tracking_B1.implementation=BEIDOU_B1I_DLL_PLL_Tracking
Tracking_B1.item_type=gr_complex
Tracking_B1.pll_bw_hz=30.0;
Tracking_B1.dll_bw_hz=3.0;
Tracking_B1.dump=true;
Tracking_B1.dump_filename=./epl_tracking_ch_
;######### TELEMETRY DECODER GPS CONFIG ############
TelemetryDecoder_B1.implementation=BEIDOU_B1I_Telemetry_Decoder
TelemetryDecoder_B1.dump=false
;######### OBSERVABLES CONFIG ############
Observables.implementation=Hybrid_Observables
Observables.dump=true
Observables.dump_filename=./observables.dat
;######### PVT CONFIG ############
PVT.implementation=RTKLIB_PVT
PVT.positioning_mode=Single ; options: Single, Static, Kinematic, PPP_Static, PPP_Kinematic
PVT.iono_model=Broadcast ; options: OFF, Broadcast, SBAS, Iono-Free-LC, Estimate_STEC, IONEX
PVT.trop_model=Saastamoinen ; options: OFF, Saastamoinen, SBAS, Estimate_ZTD, Estimate_ZTD_Grad
PVT.output_rate_ms=100
PVT.display_rate_ms=500
PVT.dump_filename=./PVT
PVT.nmea_dump_filename=./gnss_sdr_pvt.nmea;
PVT.flag_nmea_tty_port=false;
PVT.nmea_dump_devname=/dev/pts/4
PVT.flag_rtcm_server=false
PVT.flag_rtcm_tty_port=false
PVT.rtcm_dump_devname=/dev/pts/1
PVT.dump=false

110
conf/gnss-sdr_GPS_L1_CA_byte.conf Normal file
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@ -0,0 +1,110 @@
; This is a GNSS-SDR configuration file
; The configuration API is described at https://gnss-sdr.org/docs/sp-blocks/
; You can define your own receiver and invoke it by doing
; gnss-sdr --config_file=my_GNSS_SDR_configuration.conf
;
[GNSS-SDR]
;######### GLOBAL OPTIONS ##################
;internal_fs_sps: Internal signal sampling frequency after the signal conditioning stage [samples per second].
GNSS-SDR.internal_fs_sps=99375000
;######### CONTROL_THREAD CONFIG ############
ControlThread.wait_for_flowgraph=false
;######### SIGNAL_SOURCE CONFIG ############
SignalSource.implementation=File_Signal_Source
SignalSource.filename=/media/dmiralles/Seagate Backup Plus Drive/GNSS Data/Beidou_B1_IF_signal.bin
SignalSource.item_type=byte
SignalSource.sampling_frequency=99375000
SignalSource.samples=0
SignalSource.repeat=false
SignalSource.dump=false
SignalSource.enable_throttle_control=false
;######### SIGNAL_CONDITIONER CONFIG ############
SignalConditioner.implementation=Signal_Conditioner
DataTypeAdapter.implementation=Byte_To_Short
InputFilter.implementation=Freq_Xlating_Fir_Filter
InputFilter.input_item_type=short
InputFilter.output_item_type=gr_complex
InputFilter.taps_item_type=float
InputFilter.number_of_taps=5
InputFilter.number_of_bands=2
InputFilter.band1_begin=0.0
InputFilter.band1_end=0.70
InputFilter.band2_begin=0.80
InputFilter.band2_end=1.0
InputFilter.ampl1_begin=1.0
InputFilter.ampl1_end=1.0
InputFilter.ampl2_begin=0.0
InputFilter.ampl2_end=0.0
InputFilter.band1_error=1.0
InputFilter.band2_error=1.0
InputFilter.filter_type=bandpass
InputFilter.grid_density=16
InputFilter.sampling_frequency=99375000
InputFilter.IF=14580000
Resampler.implementation=Direct_Resampler
Resampler.sample_freq_in=99375000
Resampler.sample_freq_out=99375000
Resampler.item_type=gr_complex
;######### CHANNELS GLOBAL CONFIG ############
Channels_1C.count=8
Channels.in_acquisition=1
Channel.signal=1C
;######### ACQUISITION GLOBAL CONFIG ############
Acquisition_1C.implementation=GPS_L1_CA_PCPS_Acquisition
Acquisition_1C.item_type=gr_complex
Acquisition_1C.coherent_integration_time_ms=1
Acquisition_1C.threshold=3.5
;Acquisition_1C.pfa=0.000001;
Acquisition_1C.doppler_max=14000
Acquisition_1C.doppler_step=100
Acquisition_1C.dump=true
Acquisition_1C.dump_filename=./gps_acq
Acquisition_1C.blocking=false;
Acquisition_1C.use_CFAR_algorithm=false
;######### TRACKING GLOBAL CONFIG ############
Tracking_1C.implementation=GPS_L1_CA_DLL_PLL_Tracking
Tracking_1C.item_type=gr_complex
Tracking_1C.pll_bw_hz=30.0;
Tracking_1C.dll_bw_hz=3.0;
Tracking_1C.dump=true;
Tracking_1C.dump_filename=./epl_tracking_ch_
;######### TELEMETRY DECODER GPS CONFIG ############
TelemetryDecoder_1C.implementation=GPS_L1_CA_Telemetry_Decoder
TelemetryDecoder_1C.dump=false
;######### OBSERVABLES CONFIG ############
Observables.implementation=Hybrid_Observables
Observables.dump=true
Observables.dump_filename=./observables.dat
;######### PVT CONFIG ############
PVT.implementation=RTKLIB_PVT
PVT.positioning_mode=Single ; options: Single, Static, Kinematic, PPP_Static, PPP_Kinematic
PVT.iono_model=Broadcast ; options: OFF, Broadcast, SBAS, Iono-Free-LC, Estimate_STEC, IONEX
PVT.trop_model=Saastamoinen ; options: OFF, Saastamoinen, SBAS, Estimate_ZTD, Estimate_ZTD_Grad
PVT.output_rate_ms=100
PVT.display_rate_ms=500
PVT.dump_filename=./PVT
PVT.nmea_dump_filename=./gnss_sdr_pvt.nmea;
PVT.flag_nmea_tty_port=false;
PVT.nmea_dump_devname=/dev/pts/4
PVT.flag_rtcm_server=false
PVT.flag_rtcm_tty_port=false
PVT.rtcm_dump_devname=/dev/pts/1
PVT.dump=false

4
src/utils/matlab/dll_pll_veml_plot_sample.m
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@ -34,12 +34,12 @@ if ~exist('dll_pll_veml_read_tracking_dump.m', 'file')
addpath('./libs')
end
samplingFreq = 25000000; %[Hz]
samplingFreq = 99375000; %[Hz]
coherent_integration_time_ms = 1; %[ms]
channels = 8; % Number of channels
first_channel = 0; % Number of the first channel
path = '/home/sergi/gnss/gnss-sdr/install/'; %% CHANGE THIS PATH
path = '/home/dmiralles/Documents/gnss-sdr/';%#'; %% CHANGE THIS PATH
for N=1:1:channels
tracking_log_path = [path 'epl_tracking_ch_' num2str(N+first_channel-1) '.dat']; %% CHANGE track_ch_ BY YOUR dump_filename

31
src/utils/matlab/plot_acq_grid.m
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@ -28,13 +28,13 @@
%%%%%%%%% ?????? CONFIGURE !!! %%%%%%%%%%%%%
path = '/archive/';
file = 'acq';
path = '/home/dmiralles/Documents/gnss-sdr/';
file = 'bds_acq';
sat = 7;
sat = 32;
channel = 0;
execution = 1;
execution = 3;
% Signal:
% 1 GPS L1
% 2 GPS L2M
@ -42,10 +42,11 @@ execution = 1;
% 4 Gal. E1B
% 5 Gal. E5
% 6 Glo. 1G
% 7 BDS B1
signal_type = 1;
signal_type = 7;
%%% True for light grid representation
%%% True for light acq_grid representation
lite_view = true;
%%% If lite_view, it sets the number of samples per chip in the graphical representation
@ -78,21 +79,25 @@ switch(signal_type)
n_chips = 511;
system = 'R';
signal = '1G';
case 7
n_chips = 2046;
system = 'C';
signal = 'B1';
end
filename = [path file '_' system '_' signal '_ch_' num2str(channel) '_' num2str(execution) '_sat_' num2str(sat) '.mat'];
load(filename);
[n_fft n_dop_bins] = size(grid);
[d_max f_max] = find(grid == max(max(grid)));
[n_fft n_dop_bins] = size(acq_grid);
[d_max f_max] = find(acq_grid == max(max(acq_grid)));
freq = (0 : n_dop_bins - 1) * doppler_step - doppler_max;
delay = (0 : n_fft - 1) / n_fft * n_chips;
figure(1)
if(lite_view == false)
surf(freq, delay, grid, 'FaceColor', 'interp', 'LineStyle', 'none')
surf(freq, delay, acq_grid, 'FaceColor', 'interp', 'LineStyle', 'none')
ylim([min(delay) max(delay)])
else
delay_interp = (0 : n_samples_per_chip * n_chips - 1) / n_samples_per_chip;
grid_interp = spline(delay, grid', delay_interp)';
surf(freq, delay_interp, grid_interp, 'FaceColor', 'interp', 'LineStyle', 'none')
acq_grid_interp = spline(delay, acq_grid', delay_interp)';
surf(freq, delay_interp, acq_grid_interp, 'FaceColor', 'interp', 'LineStyle', 'none')
ylim([min(delay_interp) max(delay_interp)])
end
xlabel('Doppler shift / Hz')
@ -101,14 +106,14 @@ ylabel('Code delay / chips')
zlabel('Test statistics')
figure(2)
subplot(2,1,1)
plot(freq, grid(d_max, :))
plot(freq, acq_grid(d_max, :))
xlim([min(freq) max(freq)])
xlabel('Doppler shift / Hz')
ylabel('Test statistics')
title(['Fixed code delay to ' num2str((d_max - 1) / n_fft * n_chips) ' chips'])
subplot(2,1,2)
normalization = (d_samples_per_code^4) * input_power;
plot(delay, acq_grid(:, f_max)./normalization)
plot(delay, acq_acq_grid(:, f_max)./normalization)
xlim([min(delay) max(delay)])
xlabel('Code delay / chips')
ylabel('Test statistics')