3 * Copyright 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 2, 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_BPSK_MAPPER_H
24 #define INCLUDED_GR_OFDM_BPSK_MAPPER_H
31 class gr_ofdm_bpsk_mapper;
32 typedef boost::shared_ptr<gr_ofdm_bpsk_mapper> gr_ofdm_bpsk_mapper_sptr;
34 gr_ofdm_bpsk_mapper_sptr
35 gr_make_ofdm_bpsk_mapper (unsigned mtu, unsigned occupied_carriers, unsigned int vlen,
36 std::vector<gr_complex> known_symbol1,
37 std::vector<gr_complex> known_symbol2);
40 * \brief take a stream of bytes in and map to a vector of complex
41 * constellation points suitable for IFFT input to be used in an ofdm
42 * modulator. Simple BPSK version.
45 class gr_ofdm_bpsk_mapper : public gr_block
47 friend gr_ofdm_bpsk_mapper_sptr
48 gr_make_ofdm_bpsk_mapper (unsigned mtu, unsigned occupied_carriers, unsigned int vlen,
49 std::vector<gr_complex> known_symbol1,
50 std::vector<gr_complex> known_symbol2);
53 gr_ofdm_bpsk_mapper (unsigned mtu, unsigned occupied_carriers, unsigned int vlen,
54 std::vector<gr_complex> known_symbol1,
55 std::vector<gr_complex> known_symbol2);
59 unsigned int d_occupied_carriers;
61 unsigned int d_packet_offset;
62 unsigned int d_bit_offset;
63 unsigned int d_header_sent;
64 std::vector<gr_complex> d_known_symbol1, d_known_symbol2;
66 void forecast (int noutput_items, gr_vector_int &ninput_items_required);
69 ~gr_ofdm_bpsk_mapper(void);
70 int general_work(int noutput_items,
71 gr_vector_int &ninput_items,
72 gr_vector_const_void_star &input_items,
73 gr_vector_void_star &output_items);