GNU Radio 3.6.4.1 C++ API
digital_constellation_dqpsk Class Reference

Digital constellation for DQPSK. More...

#include <digital_constellation.h>

Inheritance diagram for digital_constellation_dqpsk:
digital_constellation

Public Member Functions

 digital_constellation_dqpsk ()
 
unsigned int decision_maker (const gr_complex *sample)
 Returns the constellation point that matches best. More...
 
- Public Member Functions inherited from digital_constellation
 digital_constellation (std::vector< gr_complex > constellation, std::vector< unsigned int > pre_diff_code, unsigned int rotational_symmetry, unsigned int dimensionality)
 
 digital_constellation ()
 
void map_to_points (unsigned int value, gr_complex *points)
 Returns the constellation points for a symbol value. More...
 
std::vector< gr_complexmap_to_points_v (unsigned int value)
 
unsigned int decision_maker_v (std::vector< gr_complex > sample)
 Takes a vector rather than a pointer. Better for SWIG wrapping. More...
 
unsigned int decision_maker_pe (const gr_complex *sample, float *phase_error)
 Also calculates the phase error. More...
 
unsigned int decision_maker_e (const gr_complex *sample, float *error)
 Calculates distance. More...
 
virtual void calc_metric (const gr_complex *sample, float *metric, trellis_metric_type_t type)
 Calculates metrics for all points in the constellation. For use with the viterbi algorithm. More...
 
virtual void calc_euclidean_metric (const gr_complex *sample, float *metric)
 
virtual void calc_hard_symbol_metric (const gr_complex *sample, float *metric)
 
std::vector< gr_complexpoints ()
 Returns the set of points in this constellation. More...
 
std::vector< gr_complexs_points ()
 Returns the vector of points in this constellation. Raise error if dimensionality is not one. More...
 
std::vector< std::vector
< gr_complex > > 
v_points ()
 Returns a vector of vectors of points. More...
 
bool apply_pre_diff_code ()
 Whether to apply an encoding before doing differential encoding. (e.g. gray coding) More...
 
void set_pre_diff_code (bool a)
 Whether to apply an encoding before doing differential encoding. (e.g. gray coding) More...
 
std::vector< unsigned int > pre_diff_code ()
 Returns the encoding to apply before differential encoding. More...
 
unsigned int rotational_symmetry ()
 Returns the order of rotational symmetry. More...
 
unsigned int dimensionality ()
 Returns the number of complex numbers in a single symbol. More...
 
unsigned int bits_per_symbol ()
 
unsigned int arity ()
 
digital_constellation_sptr base ()
 

Friends

DIGITAL_API
digital_constellation_dqpsk_sptr 
digital_make_constellation_dqpsk ()
 

Additional Inherited Members

- Protected Member Functions inherited from digital_constellation
float get_distance (unsigned int index, const gr_complex *sample)
 
unsigned int get_closest_point (const gr_complex *sample)
 
void calc_arity ()
 
- Protected Attributes inherited from digital_constellation
std::vector< gr_complexd_constellation
 
std::vector< unsigned int > d_pre_diff_code
 
bool d_apply_pre_diff_code
 
unsigned int d_rotational_symmetry
 
unsigned int d_dimensionality
 
unsigned int d_arity
 
float d_scalefactor
 

Detailed Description

Digital constellation for DQPSK.

Constructor & Destructor Documentation

digital_constellation_dqpsk::digital_constellation_dqpsk ( )

Member Function Documentation

unsigned int digital_constellation_dqpsk::decision_maker ( const gr_complex sample)
virtual

Returns the constellation point that matches best.

Implements digital_constellation.

Friends And Related Function Documentation

DIGITAL_API digital_constellation_dqpsk_sptr digital_make_constellation_dqpsk ( )
friend

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