gnss-sdr/conf/gnss-sdr_Galileo_E5a.conf

; Default configuration file
; 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_hz: Internal signal sampling frequency after the signal conditioning stage [Hz].
GNSS-SDR.internal_fs_hz=32000000

;######### CONTROL_THREAD CONFIG ############
ControlThread.wait_for_flowgraph=false

;######### SUPL RRLP GPS assistance configuration #####
;GNSS-SDR.SUPL_gps_enabled=false
;GNSS-SDR.SUPL_read_gps_assistance_xml=false
;GNSS-SDR.SUPL_gps_ephemeris_server=supl.google.com
;GNSS-SDR.SUPL_gps_ephemeris_port=7275
;GNSS-SDR.SUPL_gps_acquisition_server=supl.google.com
;GNSS-SDR.SUPL_gps_acquisition_port=7275
;GNSS-SDR.SUPL_MCC=244
;GNSS-SDR.SUPL_MNS=5
;GNSS-SDR.SUPL_LAC=0x59e2
;GNSS-SDR.SUPL_CI=0x31b0

;######### SIGNAL_SOURCE CONFIG ############
;#implementation: Use [File_Signal_Source] or [UHD_Signal_Source] or [GN3S_Signal_Source] (experimental)
SignalSource.implementation=File_Signal_Source

;#filename: path to file with the captured GNSS signal samples to be processed
SignalSource.filename=../data/32MS_complex.dat;

;#item_type: Type and resolution for each of the signal samples. Use only gr_complex in this version.
SignalSource.item_type=gr_complex

;#sampling_frequency: Original Signal sampling frequency in [Hz]
SignalSource.sampling_frequency=32000000

;#freq: RF front-end center frequency in [Hz]
SignalSource.freq=1176450000

;#samples: Number of samples to be processed. Notice that 0 indicates the entire file.
SignalSource.samples=0

;#repeat: Repeat the processing file. Disable this option in this version
SignalSource.repeat=false

;#dump: Dump the Signal source data to a file. Disable this option in this version
SignalSource.dump=false

SignalSource.dump_filename=../data/signal_source.dat

;#enable_throttle_control: Enabling this option tells the signal source to keep the delay between samples in post processing.
; it helps to not overload the CPU, but the processing time will be longer.
SignalSource.enable_throttle_control=false


;######### SIGNAL_CONDITIONER CONFIG ############
;## It holds blocks to change data type, filter and resample input data.

;#implementation: Use [Pass_Through] or [Signal_Conditioner]
;#[Pass_Through] disables this block and the [DataTypeAdapter], [InputFilter] and [Resampler] blocks
;#[Signal_Conditioner] enables this block. Then you have to configure [DataTypeAdapter], [InputFilter] and [Resampler] blocks
;SignalConditioner.implementation=Signal_Conditioner
SignalConditioner.implementation=Pass_Through

;######### DATA_TYPE_ADAPTER CONFIG ############
;## Changes the type of input data.
;#implementation: [Pass_Through] disables this block
DataTypeAdapter.implementation=Pass_Through

;######### INPUT_FILTER CONFIG ############
;## Filter the input data. Can be combined with frequency translation for IF signals

;#implementation: Use [Pass_Through] or [Fir_Filter] or [Freq_Xlating_Fir_Filter]
;#[Pass_Through] disables this block
;#[Fir_Filter] enables a FIR Filter
;#[Freq_Xlating_Fir_Filter] enables FIR filter and a composite frequency translation that shifts IF down to zero Hz.

;InputFilter.implementation=Fir_Filter
;InputFilter.implementation=Freq_Xlating_Fir_Filter
InputFilter.implementation=Pass_Through

;#dump: Dump the filtered data to a file.
InputFilter.dump=false

;#dump_filename: Log path and filename.
InputFilter.dump_filename=../data/input_filter.dat

;#The following options are used in the filter design of Fir_Filter and Freq_Xlating_Fir_Filter implementation.
;#These options are based on parameters of gnuradio's function: gr_remez.
;#These function calculates the optimal (in the Chebyshev/minimax sense) FIR filter inpulse reponse given a set of band edges, the desired reponse on those bands, and the weight given to the error in those bands.

;#input_item_type: Type and resolution for input signal samples.
InputFilter.input_item_type=gr_complex

;#outut_item_type: Type and resolution for output filtered signal samples. Use only gr_complex in this version.
InputFilter.output_item_type=gr_complex

;#taps_item_type: Type and resolution for the taps of the filter. Use only float in this version.
InputFilter.taps_item_type=float

;#number_of_taps: Number of taps in the filter. Increasing this parameter increases the processing time
InputFilter.number_of_taps=5

;#number_of _bands: Number of frequency bands in the filter.
InputFilter.number_of_bands=2

;#bands: frequency at the band edges [ b1 e1 b2 e2 b3 e3 ...].
;#Frequency is in the range [0, 1], with 1 being the Nyquist frequency (Fs/2)
;#The number of band_begin and band_end elements must match the number of bands

InputFilter.band1_begin=0.0
InputFilter.band1_end=0.45
InputFilter.band2_begin=0.55
InputFilter.band2_end=1.0

;#ampl: desired amplitude at the band edges [ a(b1) a(e1) a(b2) a(e2) ...].
;#The number of ampl_begin and ampl_end elements must match the number of bands

InputFilter.ampl1_begin=1.0
InputFilter.ampl1_end=1.0
InputFilter.ampl2_begin=0.0
InputFilter.ampl2_end=0.0

;#band_error: weighting applied to each band (usually 1).
;#The number of band_error elements must match the number of bands
InputFilter.band1_error=1.0
InputFilter.band2_error=1.0

;#filter_type: one of "bandpass", "hilbert" or "differentiator"
InputFilter.filter_type=bandpass

;#grid_density: determines how accurately the filter will be constructed.
;The minimum value is 16; higher values are slower to compute the filter.
InputFilter.grid_density=16

;#The following options are used only in Freq_Xlating_Fir_Filter implementation.
;#InputFilter.IF is the intermediate frequency (in Hz) shifted down to zero Hz

InputFilter.sampling_frequency=32000000
InputFilter.IF=0



;######### RESAMPLER CONFIG ############
;## Resamples the input data.

;#implementation: Use [Pass_Through] or [Direct_Resampler]
;#[Pass_Through] disables this block
;#[Direct_Resampler] enables a resampler that implements a nearest neigbourhood interpolation
;Resampler.implementation=Direct_Resampler
Resampler.implementation=Pass_Through

;#dump: Dump the resamplered data to a file.
Resampler.dump=false
;#dump_filename: Log path and filename.
Resampler.dump_filename=../data/resampler.dat

;#item_type: Type and resolution for each of the signal samples.
Resampler.item_type=gr_complex

;#sample_freq_in: the sample frequency of the input signal
Resampler.sample_freq_in=8000000

;#sample_freq_out: the desired sample frequency of the output signal
Resampler.sample_freq_out=4000000


;######### CHANNELS GLOBAL CONFIG ############
;#count: Number of available satellite channels.
Channels_5X.count=1
;#in_acquisition: Number of channels simultaneously acquiring
Channels.in_acquisition=1
;#system: GPS, GLONASS, Galileo, SBAS or Compass
;#if the option is disabled by default is assigned GPS
Channel.signal=5X

;######### SPECIFIC CHANNELS CONFIG ######
;#The following options are specific to each channel and overwrite the generic options

;######### CHANNEL 0 CONFIG ############

Channel0.signal=5X

;#satellite: Satellite PRN ID for this channel. Disable this option to random search
Channel0.satellite=19
;Channel0.repeat_satellite=true

;######### CHANNEL 1 CONFIG ############

;Channel1.system=Galileo
;Channel1.signal=5Q
;Channel1.satellite=12

;######### CHANNEL 2 CONFIG ############

;Channel2.system=Galileo
;Channel2.signal=5Q
;Channel2.satellite=11

;######### CHANNEL 3 CONFIG ############

;Channel3.system=Galileo
;Channel3.signal=5Q
;Channel3.satellite=20

;######### ACQUISITION GLOBAL CONFIG ############

;#dump: Enable or disable the acquisition internal data file logging [true] or [false]
Acquisition_5X.dump=true
;#filename: Log path and filename
Acquisition_5X.dump_filename=./acq_dump.dat
;#item_type: Type and resolution for each of the signal samples. Use only gr_complex in this version.
Acquisition_5X.item_type=gr_complex
;#if: Signal intermediate frequency in [Hz]
Acquisition_5X.if=0
;#sampled_ms: Signal block duration for the acquisition signal detection [ms]
Acquisition_5X.coherent_integration_time_ms=1
;#implementation: Acquisition algorithm selection for this channel: [GPS_L1_CA_PCPS_Acquisition] or [Galileo_E1_PCPS_Ambiguous_Acquisition]
Acquisition_5X.implementation=Galileo_E5a_Noncoherent_IQ_Acquisition_CAF
;#threshold: Acquisition threshold. It will be ignored if pfa is defined.
Acquisition_5X.threshold=0.001
;#pfa: Acquisition false alarm probability. This option overrides the threshold option. Only use with implementations: [GPS_L1_CA_PCPS_Acquisition] or [Galileo_E1_PCPS_Ambiguous_Acquisition]
Acquisition_5X.pfa=0.0003
;#doppler_max: Maximum expected Doppler shift [Hz]
Acquisition_5X.doppler_max=10000
;#doppler_max: Doppler step in the grid search [Hz]
Acquisition_5X.doppler_step=250
;#bit_transition_flag: Enable or disable a strategy to deal with bit transitions in GPS signals: process two dwells and take
;maximum test statistics. Only use with implementation: [GPS_L1_CA_PCPS_Acquisition] (should not be used for Galileo_E1_PCPS_Ambiguous_Acquisition])
Acquisition_5X.bit_transition_flag=false
;#max_dwells: Maximum number of consecutive dwells to be processed. It will be ignored if bit_transition_flag=true
Acquisition_5X.max_dwells=1

;#CAF filter: **Only for E5a** Resolves doppler ambiguity averaging the specified BW in the winner code delay. If set to 0 CAF filter is desactivated. Recommended value 3000 Hz
Acquisition_5X.CAF_window_hz=0
;#Zero_padding: **Only for E5a** Avoids power loss and doppler ambiguity in bit transitions by correlating one code with twice the input data length, ensuring that at least one full code is present without transitions.
;#If set to 1 it is ON, if set to 0 it is OFF.
Acquisition_5X.Zero_padding=0


;######### TRACKING GLOBAL CONFIG ############

;#implementation: Selected tracking algorithm:
Tracking_5X.implementation=Galileo_E5a_DLL_PLL_Tracking
;#item_type: Type and resolution for each of the signal samples. Use only [gr_complex] in this version.
Tracking_5X.item_type=gr_complex

;#sampling_frequency: Signal Intermediate Frequency in [Hz]
Tracking_5X.if=0

;#dump: Enable or disable the Tracking internal binary data file logging [true] or [false]
Tracking_5X.dump=true

;#dump_filename: Log path and filename. Notice that the tracking channel will add "x.dat" where x is the channel number.
Tracking_5X.dump_filename=./tracking_ch_

;#pll_bw_hz_init: **Only for E5a** PLL loop filter bandwidth during initialization [Hz]
Tracking_5X.pll_bw_hz_init=20.0;
;#dll_bw_hz_init: **Only for E5a** DLL loop filter bandwidth during initialization [Hz]
Tracking_5X.dll_bw_hz_init=20.0;
;#dll_ti_ms: **Only for E5a** loop filter integration time after initialization (secondary code delay search)[ms]
;Tracking_5X.ti_ms=3;
Tracking_5X.ti_ms=1;

;#pll_bw_hz: PLL loop filter bandwidth [Hz]
;Tracking.pll_bw_hz=5.0;
Tracking_5X.pll_bw_hz=20.0;

;#dll_bw_hz: DLL loop filter bandwidth [Hz]
;Tracking.dll_bw_hz=2.0;
Tracking_5X.dll_bw_hz=20.0;

;#order: PLL/DLL loop filter order [2] or [3]
Tracking_5X.order=2;

;#early_late_space_chips: correlator early-late space [chips]. Use [0.5]
Tracking_5X.early_late_space_chips=0.5;

;######### TELEMETRY DECODER CONFIG ############
;#implementation:
TelemetryDecoder_5X.implementation=Galileo_E5a_Telemetry_Decoder
TelemetryDecoder_5X.dump=false

;######### OBSERVABLES CONFIG ############
;#implementation:
;Use [Galileo_E1B_Observables] for E5a also.
Observables.implementation=Galileo_E1B_Observables

;#dump: Enable or disable the Observables internal binary data file logging [true] or [false]
Observables.dump=false

;#dump_filename: Log path and filename.
Observables.dump_filename=./observables.dat


;######### PVT CONFIG ############
;#implementation: Position Velocity and Time (PVT) implementation algorithm:
;Use [GALILEO_E1_PVT] for E5a also.
PVT.implementation=GALILEO_E1_PVT

;#averaging_depth: Number of PVT observations in the moving average algorithm
PVT.averaging_depth=100

;#flag_average: Enables the PVT averaging between output intervals (arithmetic mean) [true] or [false]
PVT.flag_averaging=true

;#output_rate_ms: Period between two PVT outputs. Notice that the minimum period is equal to the tracking integration time [ms]
PVT.output_rate_ms=100

;#display_rate_ms: Position console print (std::out) interval [ms]. Notice that output_rate_ms<=display_rate_ms.
PVT.display_rate_ms=500

;# KML, GeoJSON, NMEA and RTCM output configuration
;#dump_filename: Log path and filename without extension. Notice that PVT will add ".dat" to the binary dump and ".kml" to GoogleEarth dump.
PVT.dump_filename=./PVT

;#nmea_dump_filename: NMEA log path and filename
PVT.nmea_dump_filename=./gnss_sdr_pvt.nmea;

;#flag_nmea_tty_port: Enable or disable the NMEA log to a serial TTY port (Can be used with real hardware or virtual one)
PVT.flag_nmea_tty_port=true;

;#nmea_dump_devname: serial device descriptor for NMEA logging
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


;#dump: Enable or disable the PVT internal binary data file logging [true] or [false]
PVT.dump=false