gnss-sdr/conf/gnss-sdr.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_sps: Internal signal sampling frequency after the signal conditioning stage [samples per second].
GNSS-SDR.internal_fs_sps=4000000


;######### SUPL RRLP GPS assistance configuration #####
; Check http://www.mcc-mnc.com/
; On Android: https://play.google.com/store/apps/details?id=net.its_here.cellidinfo&hl=en
GNSS-SDR.SUPL_gps_enabled=false
GNSS-SDR.SUPL_read_gps_assistance_xml=true
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
SignalSource.implementation=File_Signal_Source
;#filename: path to file with the captured GNSS signal samples to be processed
SignalSource.filename=/datalogger/signals/CTTC/2013_04_04_GNSS_SIGNAL_at_CTTC_SPAIN/2013_04_04_GNSS_SIGNAL_at_CTTC_SPAIN.dat ; <- PUT YOUR FILE HERE
;#item_type: Type and resolution for each of the signal samples.
SignalSource.item_type=ishort
;#sampling_frequency: Original Signal sampling frequency in samples per second
SignalSource.sampling_frequency=4000000
;#samples: Number of samples to be processed. Notice that 0 indicates the entire file.
SignalSource.samples=0
;#repeat: Repeat the processing file.
SignalSource.repeat=false
;#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=Ishort_To_Complex
;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

;#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 GNU Radio's function: gr_remez.
;#This function calculates the optimal (in the Chebyshev/minimax sense) FIR filter impulse response given a set of band edges,
;#the desired response 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.
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=0.44
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=4000000
InputFilter.IF=0

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

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


;######### 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 neighborhood interpolation
;Resampler.implementation=Direct_Resampler
Resampler.implementation=Pass_Through
;#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=4000000
;#sample_freq_out: the desired sample frequency of the output signal
Resampler.sample_freq_out=2000000
;#dump: Dump the resampled data to a file.
Resampler.dump=false
;#dump_filename: Log path and filename.
Resampler.dump_filename=../data/resampler.dat


;######### CHANNELS GLOBAL CONFIG ############
;#count: Number of available GPS L1 C/A satellite channels.
Channels_1C.count=6
;#count: Number of available Galileo E1B satellite channels.
Channels_1B.count=0
;#in_acquisition: Number of channels simultaneously acquiring for the whole receiver
Channels.in_acquisition=1


;#if the option is disabled by default is assigned "1C" GPS L1 C/A
Channel.signal=1C


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

;######### CHANNEL 0 CONFIG ############
;Channel0.signal=1C
;#satellite: Satellite PRN ID for this channel. Disable this option for random search
;Channel0.satellite=11

;######### CHANNEL 1 CONFIG ############
;Channel1.signal=1C
;Channel1.satellite=18

;######### ACQUISITION GLOBAL CONFIG ############
Acquisition_1C.implementation=GPS_L1_CA_PCPS_Acquisition_Fine_Doppler
;#item_type: Type and resolution for each of the signal samples.
Acquisition_1C.item_type=gr_complex
;#if: Signal intermediate frequency in [Hz]
Acquisition_1C.if=0
;#sampled_ms: Signal block duration for the acquisition signal detection [ms]
Acquisition_1C.sampled_ms=1
;#threshold: Acquisition threshold
Acquisition_1C.threshold=0.005
;#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_1C.pfa=0.0001
;#doppler_max: Maximum expected Doppler shift [Hz]
Acquisition_1C.doppler_max=10000
;#doppler_max: Maximum expected Doppler shift [Hz]
Acquisition_1C.doppler_min=-10000
;#doppler_step Doppler step in the grid search [Hz]
Acquisition_1C.doppler_step=500
;#maximum dwells
Acquisition_1C.max_dwells=5
;#dump: Enable or disable the acquisition internal data file logging [true] or [false]
Acquisition_1C.dump=false
;#filename: Log path and filename
Acquisition_1C.dump_filename=./acq_dump.dat


;######### TRACKING GLOBAL CONFIG ############
Tracking_1C.implementation=GPS_L1_CA_DLL_PLL_Tracking
;#item_type: Type and resolution for each of the signal samples.
Tracking_1C.item_type=gr_complex
;#sampling_frequency: Signal Intermediate Frequency in [Hz]
Tracking_1C.if=0
;#pll_bw_hz: PLL loop filter bandwidth [Hz]
Tracking_1C.pll_bw_hz=45.0;
;#dll_bw_hz: DLL loop filter bandwidth [Hz]
Tracking_1C.dll_bw_hz=3.0;
;#order: PLL/DLL loop filter order [2] or [3]
Tracking_1C.order=3;
;#dump: Enable or disable the Tracking internal binary data file logging [true] or [false]
Tracking_1C.dump=false
;#dump_filename: Log path and filename. Notice that the tracking channel will add "x.dat" where x is the channel number.
Tracking_1C.dump_filename=../data/epl_tracking_ch_


;######### TELEMETRY DECODER GPS CONFIG ############
;#implementation: Use [GPS_L1_CA_Telemetry_Decoder] for GPS L1 C/A
TelemetryDecoder_1C.implementation=GPS_L1_CA_Telemetry_Decoder
TelemetryDecoder_1C.dump=false


;######### OBSERVABLES CONFIG ############
;#implementation:
Observables.implementation=Hybrid_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:
PVT.implementation=RTKLIB_PVT
PVT.positioning_mode=PPP_Static  ; 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.AR_GPS=PPP-AR ; options: OFF, Continuous, Instantaneous, Fix-and-Hold, PPP-AR
;#output_rate_ms: Period between two PVT outputs. Notice that the minimum period is equal to the tracking integration time (for GPS CA L1 is 1ms) [ms]
PVT.output_rate_ms=10
;#display_rate_ms: Position console print (std::out) interval [ms]. Notice that output_rate_ms <= display_rate_ms.
PVT.display_rate_ms=500
PVT.positioning_mode=PPP_Static
;# KML, GeoJSON, NMEA and RTCM output configuration
;#nmea_dump_filename: NMEA log path and filename
PVT.nmea_dump_filename=./gnss_sdr_pvt.nmea
;#flag_nmea_tty_port: Enables or disables 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
;#flag_rtcm_server: Enables or disables a TCP/IP server transmitting RTCM 3.2 messages (accepts multiple clients, port 2101 by default)
PVT.flag_rtcm_server=true
;#flag_rtcm_tty_port: Enables or disables the RTCM log to a serial TTY port (Can be used with real hardware or virtual one)
PVT.flag_rtcm_tty_port=false
;#rtcm_dump_devname: serial device descriptor for RTCM logging
PVT.rtcm_dump_devname=/dev/pts/1
;#dump: Enable or disable the PVT internal binary data file logging [true] or [false]
PVT.dump=false
;#dump_filename: Log path and filename without extension. Notice that PVT will add ".dat" to the binary dump, ".kml" and ".geojson" to GIS-friendly formats.
PVT.dump_filename=./PVT