galileo_e5a_noncoherentIQ_acquisition_caf_cc Class Reference

This class implements a Parallel Code Phase Search Acquisition. More...

#include <galileo_e5a_noncoherent_iq_acquisition_caf_cc.h>

Inheritance diagram for galileo_e5a_noncoherentIQ_acquisition_caf_cc:

Public Member Functions
	~galileo_e5a_noncoherentIQ_acquisition_caf_cc ()
	Default destructor. More...
void	set_gnss_synchro (Gnss_Synchro *p_gnss_synchro)
	Set acquisition/tracking common Gnss_Synchro object pointer to exchange synchronization data between acquisition and tracking blocks. More...
unsigned int	mag () const
	Returns the maximum peak of grid search. More...
void	init ()
	Initializes acquisition algorithm. More...
void	set_local_code (std::complex< float > *code, std::complex< float > *codeQ)
	Sets local code for PCPS acquisition algorithm. More...
void	set_active (bool active)
	Starts acquisition algorithm, turning from standby mode to active mode. More...
void	set_state (int state)
	If set to 1, ensures that acquisition starts at the first available sample. More...
void	set_channel (unsigned int channel)
	Set acquisition channel unique ID. More...
void	set_channel_fsm (std::weak_ptr< ChannelFsm > channel_fsm)
	Set channel fsm associated to this acquisition instance. More...
void	set_threshold (float threshold)
	Set statistics threshold of PCPS algorithm. More...
void	set_doppler_max (unsigned int doppler_max)
	Set maximum Doppler grid search. More...
void	set_doppler_step (unsigned int doppler_step)
	Set Doppler steps for the grid search. More...
int	general_work (int noutput_items, gr_vector_int &ninput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)
	Parallel Code Phase Search Acquisition signal processing. More...

Friends
galileo_e5a_noncoherentIQ_acquisition_caf_cc_sptr	galileo_e5a_noncoherentIQ_make_acquisition_caf_cc (unsigned int sampled_ms, unsigned int max_dwells, unsigned int doppler_max, int64_t fs_in, int samples_per_ms, int samples_per_code, bool bit_transition_flag, bool dump, const std::string &dump_filename, bool both_signal_components_, int CAF_window_hz_, int Zero_padding_, bool enable_monitor_output)

Detailed Description

This class implements a Parallel Code Phase Search Acquisition.

Check An Open Source Galileo E1 Software Receiver, Algorithm 1, for a pseudocode description of this implementation.

Definition at line 67 of file galileo_e5a_noncoherent_iq_acquisition_caf_cc.h.

Constructor & Destructor Documentation

~galileo_e5a_noncoherentIQ_acquisition_caf_cc()

galileo_e5a_noncoherentIQ_acquisition_caf_cc::~galileo_e5a_noncoherentIQ_acquisition_caf_cc

(

)

Default destructor.

Member Function Documentation

general_work()

int galileo_e5a_noncoherentIQ_acquisition_caf_cc::general_work	(	int	noutput_items,
		gr_vector_int &	ninput_items,
		gr_vector_const_void_star &	input_items,
		gr_vector_void_star &	output_items
	)

Parallel Code Phase Search Acquisition signal processing.

init()

void galileo_e5a_noncoherentIQ_acquisition_caf_cc::init

(

)

Initializes acquisition algorithm.

mag()

unsigned int galileo_e5a_noncoherentIQ_acquisition_caf_cc::mag ( ) const

inline

Returns the maximum peak of grid search.

Definition at line 88 of file galileo_e5a_noncoherent_iq_acquisition_caf_cc.h.

set_active()

void galileo_e5a_noncoherentIQ_acquisition_caf_cc::set_active ( bool  active )

inline

Starts acquisition algorithm, turning from standby mode to active mode.

Parameters

active

- bool that activates/deactivates the block.

Definition at line 109 of file galileo_e5a_noncoherent_iq_acquisition_caf_cc.h.

set_channel()

void galileo_e5a_noncoherentIQ_acquisition_caf_cc::set_channel ( unsigned int  channel )

inline

Set acquisition channel unique ID.

Parameters

channel

- receiver channel.

Definition at line 125 of file galileo_e5a_noncoherent_iq_acquisition_caf_cc.h.

set_channel_fsm()

void galileo_e5a_noncoherentIQ_acquisition_caf_cc::set_channel_fsm ( std::weak_ptr< ChannelFsm >  channel_fsm )

inline

Set channel fsm associated to this acquisition instance.

Definition at line 133 of file galileo_e5a_noncoherent_iq_acquisition_caf_cc.h.

set_doppler_max()

void galileo_e5a_noncoherentIQ_acquisition_caf_cc::set_doppler_max ( unsigned int  doppler_max )

inline

Set maximum Doppler grid search.

Parameters

doppler_max

- Maximum Doppler shift considered in the grid search [Hz].

Definition at line 152 of file galileo_e5a_noncoherent_iq_acquisition_caf_cc.h.

set_doppler_step()

void galileo_e5a_noncoherentIQ_acquisition_caf_cc::set_doppler_step ( unsigned int  doppler_step )

inline

Set Doppler steps for the grid search.

Parameters

doppler_step

- Frequency bin of the search grid [Hz].

Definition at line 161 of file galileo_e5a_noncoherent_iq_acquisition_caf_cc.h.

set_gnss_synchro()

void galileo_e5a_noncoherentIQ_acquisition_caf_cc::set_gnss_synchro ( Gnss_Synchro *  p_gnss_synchro )

inline

Set acquisition/tracking common Gnss_Synchro object pointer to exchange synchronization data between acquisition and tracking blocks.

Parameters

p_gnss_synchro

Satellite information shared by the processing blocks.

Definition at line 80 of file galileo_e5a_noncoherent_iq_acquisition_caf_cc.h.

set_local_code()

void galileo_e5a_noncoherentIQ_acquisition_caf_cc::set_local_code	(	std::complex< float > *	code,
		std::complex< float > *	codeQ
	)

Sets local code for PCPS acquisition algorithm.

Parameters

code	- Pointer to the PRN code.

set_state()

void galileo_e5a_noncoherentIQ_acquisition_caf_cc::set_state

(

int

state

)

If set to 1, ensures that acquisition starts at the first available sample.

Parameters

state

- int=1 forces start of acquisition

set_threshold()

void galileo_e5a_noncoherentIQ_acquisition_caf_cc::set_threshold ( float  threshold )

inline

Set statistics threshold of PCPS algorithm.

Parameters

threshold

- Threshold for signal detection (check Navitec2012, Algorithm 1, for a definition of this threshold).

Definition at line 143 of file galileo_e5a_noncoherent_iq_acquisition_caf_cc.h.

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The documentation for this class was generated from the following file:

• galileo_e5a_noncoherent_iq_acquisition_caf_cc.h