3 * Copyright 2004,2005,2006 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3, or (at your option)
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Radio; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street,
20 * Boston, MA 02110-1301, USA.
23 #ifndef INCLUDED_GR_OFDM_CYCLIC_PREFIXER_H
24 #define INCLUDED_GR_OFDM_CYCLIC_PREFIXER_H
26 #include <gr_sync_interpolator.h>
29 class gr_ofdm_cyclic_prefixer;
30 typedef boost::shared_ptr<gr_ofdm_cyclic_prefixer> gr_ofdm_cyclic_prefixer_sptr;
32 gr_ofdm_cyclic_prefixer_sptr
33 gr_make_ofdm_cyclic_prefixer (size_t input_size, size_t output_size);
37 * \brief adds a cyclic prefix vector to an input size long ofdm
38 * symbol(vector) and converts vector to a stream output_size long.
41 class gr_ofdm_cyclic_prefixer : public gr_sync_interpolator
43 friend gr_ofdm_cyclic_prefixer_sptr
44 gr_make_ofdm_cyclic_prefixer (size_t input_size, size_t output_size);
47 gr_ofdm_cyclic_prefixer (size_t input_size, size_t output_size);
50 int work (int noutput_items,
51 gr_vector_const_void_star &input_items,
52 gr_vector_void_star &output_items);
58 #endif /* INCLUDED_GR_OFDM_CYCLIC_PREFIXER_H */