|  | 
|  | ~constellation_dqpsk () override | 
| unsigned int | decision_maker (const gr_complex *sample) override | 
|  | Returns the constellation point that matches best. 
 | 
|  | constellation (std::vector< gr_complex > constell, std::vector< int > pre_diff_code, unsigned int rotational_symmetry, unsigned int dimensionality, normalization_t normalization=AMPLITUDE_NORMALIZATION, float npwr=1.0) | 
|  | constellation () | 
| virtual | ~constellation () | 
| void | normalize (normalization_t normalization) | 
|  | Normalizes the constellation. 
 | 
| void | map_to_points (unsigned int value, gr_complex *points) | 
|  | Returns the constellation points for a symbol value. 
 | 
| 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. 
 | 
| unsigned int | decision_maker_pe (const gr_complex *sample, float *phase_error) | 
|  | Also calculates the phase error. 
 | 
| virtual void | calc_metric (const gr_complex *sample, float *metric, gr::digital::trellis_metric_type_t type) | 
|  | Calculates distance. 
 | 
| 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. 
 | 
| std::vector< gr_complex > | s_points () | 
|  | Returns the vector of points in this constellation. Raise error if dimensionality is not one. 
 | 
| std::vector< std::vector< gr_complex > > | v_points () | 
|  | Returns a vector of vectors of points. 
 | 
| bool | apply_pre_diff_code () | 
|  | Whether to apply an encoding before doing differential encoding. (e.g. gray coding) 
 | 
| void | set_pre_diff_code (bool a) | 
|  | Whether to apply an encoding before doing differential encoding. (e.g. gray coding) 
 | 
| std::vector< int > | pre_diff_code () | 
|  | Returns the encoding to apply before differential encoding. 
 | 
| unsigned int | rotational_symmetry () | 
|  | Returns the order of rotational symmetry. 
 | 
| unsigned int | dimensionality () | 
|  | Returns the number of complex numbers in a single symbol. 
 | 
| unsigned int | bits_per_symbol () | 
| unsigned int | arity () | 
| constellation_sptr | base () | 
| pmt::pmt_t | as_pmt () | 
| void | gen_soft_dec_lut (int precision, float npwr=-1) | 
|  | Generates the soft decision LUT based on constellation and symbol map. 
 | 
| virtual std::vector< float > | calc_soft_dec (gr_complex sample, float npwr=-1) | 
|  | Calculate soft decisions for the given sample.
 | 
| void | set_soft_dec_lut (const std::vector< std::vector< float > > &soft_dec_lut, int precision) | 
|  | Define a soft decision look-up table. 
 | 
| void | set_npwr (float npwr) | 
|  | Sets the constellation noise power and recalculates LUT given npwr.
 | 
| bool | has_soft_dec_lut () | 
|  | Returns True if the soft decision LUT has been defined, False otherwise. 
 | 
| std::vector< std::vector< float > > | soft_dec_lut () | 
| std::vector< float > | soft_decision_maker (gr_complex sample) | 
|  | Returns the soft decisions for the given sample.
 | 
Digital constellation for DQPSK. 
01 | 00
-------
11 | 10