gnss-sdr_multichannel_GPS_L1_Flexiband_realtime_I_1b.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=5000000

;######### 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=true
GNSS-SDR.SUPL_gps_ephemeris_server=supl.nokia.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=Flexiband_Signal_Source

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

;# FPGA firmware file
SignalSource.firmware_file=flexiband_I-1b.bit

;#RF_channels: Number of RF channels present in the frontend device, must agree the FPGA firmware file
SignalSource.RF_channels=1

;#frontend channels gain. Not usable yet!
SignalSource.gain1=0
SignalSource.gain2=0
SignalSource.gain3=0

;#frontend channels AGC
SignalSource.AGC=true

;# USB 3.0 packet buffer size (number of SuperSpeed packets)
SignalSource.usb_packet_buffer=128

;######### SIGNAL_CONDITIONER 0 CONFIG ############
;## It holds blocks to change data type, filter and resample input data. 
SignalConditioner0.implementation=Signal_Conditioner

;######### DATA_TYPE_ADAPTER 0 CONFIG ############
DataTypeAdapter0.implementation=Pass_Through
DataTypeAdapter0.item_type=gr_complex

;######### INPUT_FILTER 0 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.

InputFilter0.implementation=Freq_Xlating_Fir_Filter

;#dump: Dump the filtered data to a file.
InputFilter0.dump=false

;#dump_filename: Log path and filename.
InputFilter0.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. Use only gr_complex in this version.
InputFilter0.input_item_type=gr_complex

;#outut_item_type: Type and resolution for output filtered signal samples. Use only gr_complex in this version.
InputFilter0.output_item_type=gr_complex

;#taps_item_type: Type and resolution for the taps of the filter. Use only float in this version.
InputFilter0.taps_item_type=float

;#number_of_taps: Number of taps in the filter. Increasing this parameter increases the processing time
InputFilter0.number_of_taps=5

;#number_of _bands: Number of frequency bands in the filter.
InputFilter0.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

InputFilter0.band1_begin=0.0
InputFilter0.band1_end=0.45
InputFilter0.band2_begin=0.55
InputFilter0.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

InputFilter0.ampl1_begin=1.0
InputFilter0.ampl1_end=1.0
InputFilter0.ampl2_begin=0.0
InputFilter0.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
InputFilter0.band1_error=1.0
InputFilter0.band2_error=1.0

;#filter_type: one of "bandpass", "hilbert" or "differentiator" 
InputFilter0.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.
InputFilter0.grid_density=16

;#The following options are used only in Freq_Xlating_Fir_Filter implementation.
;#InputFilter0.IF is the intermediate frequency (in Hz) shifted down to zero Hz
;FOR USE GNSS-SDR WITH RTLSDR DONGLES USER MUST SET THE CALIBRATED SAMPLE RATE HERE
; i.e. using front-end-cal as reported here:http://www.cttc.es/publication/turning-a-television-into-a-gnss-receiver/
InputFilter0.sampling_frequency=40000000
;# IF deviation due to front-end LO inaccuracies [HZ]
InputFilter0.IF=-205000

;# Decimation factor after the frequency tranaslating block
InputFilter0.decimation_factor=8

;######### RESAMPLER CONFIG 0 ############
;## Resamples the input data. 
Resampler0.implementation=Pass_Through

;######### SIGNAL_CONDITIONER 1 CONFIG ############
;## It holds blocks to change data type, filter and resample input data. 
SignalConditioner1.implementation=Pass_Through

;######### DATA_TYPE_ADAPTER 1 CONFIG ############
DataTypeAdapter1.implementation=Pass_Through
DataTypeAdapter1.item_type=gr_complex

;######### INPUT_FILTER 1 CONFIG ############
InputFilter1.implementation=Pass_Through

;#dump: Dump the filtered data to a file.
InputFilter1.dump=false

;#dump_filename: Log path and filename.
InputFilter1.dump_filename=../data/input_filter.dat

;#input_item_type: Type and resolution for input signal samples. Use only gr_complex in this version.
InputFilter1.input_item_type=gr_complex

;#outut_item_type: Type and resolution for output filtered signal samples. Use only gr_complex in this version.
InputFilter1.output_item_type=gr_complex

;######### RESAMPLER CONFIG 1 ############
;## Resamples the input data. 
Resampler1.implementation=Pass_Through

;######### SIGNAL_CONDITIONER 2 CONFIG ############
;## It holds blocks to change data type, filter and resample input data. 
SignalConditioner2.implementation=Pass_Through

;######### DATA_TYPE_ADAPTER 2 CONFIG ############
DataTypeAdapter2.implementation=Pass_Through
DataTypeAdapter2.item_type=gr_complex

;######### INPUT_FILTER 2 CONFIG ############
InputFilter2.implementation=Pass_Through

;#dump: Dump the filtered data to a file.
InputFilter2.dump=false

;#dump_filename: Log path and filename.
InputFilter2.dump_filename=../data/input_filter.dat

;#input_item_type: Type and resolution for input signal samples. Use only gr_complex in this version.
InputFilter2.input_item_type=gr_complex

;#outut_item_type: Type and resolution for output filtered signal samples. Use only gr_complex in this version.
InputFilter2.output_item_type=gr_complex

;######### RESAMPLER CONFIG 2 ############
;## Resamples the input data. 
Resampler2.implementation=Pass_Through

;######### CHANNELS GLOBAL CONFIG ############
;#count: Number of available GPS satellite channels.
Channels_1C.count=4
;#in_acquisition: Number of channels simultaneously acquiring for the whole receiver
Channels.in_acquisition=1


;#signal: 
;# "1C" GPS L1 C/A
;# "2S" GPS L2 L2C (M)
;# "1B" GALILEO E1 B (I/NAV OS/CS/SoL)
;# "5X" GALILEO E5a I+Q

;# CHANNEL CONNECTION
Channel0.RF_channel_ID=0
Channel1.RF_channel_ID=0
Channel2.RF_channel_ID=0
Channel3.RF_channel_ID=0
;Channel4.RF_channel_ID=0
;Channel5.RF_channel_ID=0
;Channel6.RF_channel_ID=0
;Channel7.RF_channel_ID=0

;#signal: 
;#if the option is disabled by default is assigned "1C" GPS L1 C/A
Channel0.signal=1C
Channel1.signal=1C
Channel2.signal=1C
Channel3.signal=1C

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


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

;#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
;#item_type: Type and resolution for each of the signal samples. Use only gr_complex in this version.
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.coherent_integration_time_ms=1
;#implementation: Acquisition algorithm selection for this channel: [GPS_L1_CA_PCPS_Acquisition] or [Galileo_E1_PCPS_Ambiguous_Acquisition]
Acquisition_1C.implementation=GPS_L1_CA_PCPS_Acquisition
;#threshold: Acquisition threshold. It will be ignored if pfa is defined.
Acquisition_1C.threshold=0.011
;#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: Doppler step in the grid search [Hz]
Acquisition_1C.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_1C.bit_transition_flag=false
;#max_dwells: Maximum number of consecutive dwells to be processed. It will be ignored if bit_transition_flag=true
Acquisition_1C.max_dwells=1


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


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

;#implementation: Selected tracking algorithm: [GPS_L1_CA_DLL_PLL_Tracking] or [GPS_L1_CA_DLL_FLL_PLL_Tracking]
Tracking_1C.implementation=GPS_L1_CA_DLL_PLL_Tracking
;#item_type: Type and resolution for each of the signal samples. Use only [gr_complex] in this version.
Tracking_1C.item_type=gr_complex

;#sampling_frequency: Signal Intermediate Frequency in [Hz] 
Tracking_1C.if=0

;#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=./tracking_ch_

;#pll_bw_hz: PLL loop filter bandwidth [Hz]
Tracking_1C.pll_bw_hz=40.0;

;#dll_bw_hz: DLL loop filter bandwidth [Hz]
Tracking_1C.dll_bw_hz=3.0;

;#fll_bw_hz: FLL loop filter bandwidth [Hz]
Tracking_1C.fll_bw_hz=10.0;

;#order: PLL/DLL loop filter order [2] or [3]
Tracking_1C.order=3;

;#early_late_space_chips: correlator early-late space [chips]. Use [0.5]
Tracking_1C.early_late_space_chips=0.5;

;######### 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
;#decimation factor
TelemetryDecoder_1C.decimation_factor=1;

;######### OBSERVABLES CONFIG ############
;#implementation: Use [GPS_L1_CA_Observables] for GPS L1 C/A.
Observables.implementation=GPS_L1_CA_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 [GPS_L1_CA_PVT] in this version.
PVT.implementation=GPS_L1_CA_PVT

;#averaging_depth: Number of PVT observations in the moving average algorithm
PVT.averaging_depth=10

;#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 (for GPS CA L1 is 1ms) [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

;# RINEX, KML, and NMEA 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=false;

;#nmea_dump_devname: serial device descriptor for NMEA logging
PVT.nmea_dump_devname=/dev/pts/4


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

;######### OUTPUT_FILTER CONFIG ############
;# Receiver output filter: Leave this block disabled in this version
OutputFilter.implementation=Null_Sink_Output_Filter
OutputFilter.filename=data/gnss-sdr.dat
OutputFilter.item_type=gr_complex