GNU Radio 3.7.1-24 C++ API
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Digital constellation for QPSK. More...
#include <constellation.h>
Public Types | |
typedef boost::shared_ptr < constellation_qpsk > | sptr |
Public Member Functions | |
~constellation_qpsk () | |
unsigned int | decision_maker (const gr_complex *sample) |
Returns the constellation point that matches best. More... | |
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constellation (std::vector< gr_complex > constell, std::vector< int > pre_diff_code, unsigned int rotational_symmetry, unsigned int dimensionality) | |
constellation () | |
virtual | ~constellation () |
void | map_to_points (unsigned int value, gr_complex *points) |
Returns the constellation points for a symbol value. More... | |
std::vector< gr_complex > | map_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... | |
virtual void | calc_metric (const gr_complex *sample, float *metric, gr::digital::trellis_metric_type_t type) |
Calculates distance. 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_complex > | points () |
Returns the set of points in this constellation. More... | |
std::vector< gr_complex > | s_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< 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 () |
constellation_sptr | base () |
Static Public Member Functions | |
static sptr | make () |
Protected Member Functions | |
constellation_qpsk () | |
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float | get_distance (unsigned int index, const gr_complex *sample) |
unsigned int | get_closest_point (const gr_complex *sample) |
void | calc_arity () |
Additional Inherited Members | |
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std::vector< gr_complex > | d_constellation |
std::vector< 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 |
The factor by which the user given constellation points were scaled by to achieve an average amplitude of 1. More... | |
Digital constellation for QPSK.
gr::digital::constellation_qpsk::~constellation_qpsk | ( | ) |
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protected |
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virtual |
Returns the constellation point that matches best.
Implements gr::digital::constellation.
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static |