Trellis SISO Combo trellis_siso_combined_f from gnuradio import trellis trellis.siso_combined_f(trellis.fsm($fsm_args), $block_size, $init_state, $final_state, $a_post_in, $a_post_out, $siso_type, $dim, $table, $metric_type) FSM Args fsm_args raw Block Size block_size int Initial State init_state -1 int Final State final_state -1 int A-posteriori In a_post_in enum Yes True No False A-posteriori Out a_post_out enum Yes True No False SISO Type siso_type enum Min Sum trellis.TRELLIS_MIN_SUM Sum Product trellis.TRELLIS_SUM_PRODUCT Dimensionality dim int Constellation table real_vector Metric Type metric_type enum Euclidean trellis.TRELLIS_EUCLIDEAN Hard Symbol trellis.TRELLIS_HARD_SYMBOL Hard Bit trellis.TRELLIS_HARD_BIT in float out float BCJR Algorithm combined with metric calculation. \ The fsm arguments are passed directly to the trellis.fsm() constructor.