3 * Copyright 2006, 2007 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.
25 GR_SWIG_BLOCK_MAGIC(gr,ofdm_frame_acquisition);
27 gr_ofdm_frame_acquisition_sptr
28 gr_make_ofdm_frame_acquisition (unsigned int occupied_carriers,
29 unsigned int fft_length,
31 const std::vector<gr_complex> &known_symbol,
32 unsigned int max_fft_shift_len=4);
34 class gr_ofdm_frame_acquisition : public gr_sync_decimator
37 gr_ofdm_frame_acquisition (unsigned int occupied_carriers,
38 unsigned int fft_length,
40 const std::vector<gr_complex> &known_symbol,
41 unsigned int max_fft_shift_len);
44 float snr() { return d_snr_est; }
45 int general_work(int noutput_items,
46 gr_vector_int &ninput_items,
47 gr_vector_const_void_star &input_items,
48 gr_vector_void_star &output_items);