23 #ifndef INCLUDED_DIGITAL_OFDM_CYCLIC_PREFIXER_H
24 #define INCLUDED_DIGITAL_OFDM_CYCLIC_PREFIXER_H
42 const std::string &len_tag_key=
"");
74 int work(
int noutput_items,
88 std::vector<float> d_up_flank;
90 std::vector<float> d_down_flank;
91 std::vector<gr_complex> d_delay_line;