GNU Radio Manual and C++ API Reference 3.7.14.0
The Free & Open Software Radio Ecosystem
ofdm_mapper_bcv.h
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1/* -*- c++ -*- */
2/*
3 * Copyright 2006,2007,2011,2012 Free Software Foundation, Inc.
4 *
5 * This file is part of GNU Radio
6 *
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
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10 * any later version.
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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21 */
22
23#ifndef INCLUDED_DIGITAL_OFDM_MAPPER_BCV_H
24#define INCLUDED_DIGITAL_OFDM_MAPPER_BCV_H
25
27#include <gnuradio/msg_queue.h>
28#include <gnuradio/sync_block.h>
29
30namespace gr {
31namespace digital {
32
33/*!
34 * \brief take a stream of bytes in and map to a vector of complex
35 * constellation points suitable for IFFT input to be used in an
36 * ofdm modulator.
37 * \ingroup ofdm_blk
38 * \ingroup deprecated_blk
39 *
40 * \details
41 * Abstract class must be subclassed with specific mapping.
42 */
44{
45public:
46 // gr::digital::ofdm_mapper_bcv::sptr
47 typedef boost::shared_ptr<ofdm_mapper_bcv> sptr;
48
49 /*!
50 * Make an OFDM mapper block.
51 *
52 * \param constellation vector of OFDM carrier symbols in complex space
53 * \param msgq_limit limit on number of messages the queue can store
54 * \param occupied_carriers The number of subcarriers with data in the received symbol
55 * \param fft_length The size of the FFT vector (occupied_carriers + unused carriers)
56 */
57 static sptr make(const std::vector<gr_complex>& constellation,
58 unsigned msgq_limit,
59 unsigned occupied_carriers,
60 unsigned int fft_length);
61
62 virtual msg_queue::sptr msgq() const = 0;
63};
64
65} /* namespace digital */
66} /* namespace gr */
67
68#endif /* INCLUDED_DIGITAL_OFDM_MAPPER_BCV_H */
An abstracted constellation object.
Definition: constellation.h:63
take a stream of bytes in and map to a vector of complex constellation points suitable for IFFT input...
Definition: ofdm_mapper_bcv.h:44
virtual msg_queue::sptr msgq() const =0
static sptr make(const std::vector< gr_complex > &constellation, unsigned msgq_limit, unsigned occupied_carriers, unsigned int fft_length)
boost::shared_ptr< ofdm_mapper_bcv > sptr
Definition: ofdm_mapper_bcv.h:47
boost::shared_ptr< msg_queue > sptr
Definition: msg_queue.h:47
synchronous 1:1 input to output with history
Definition: sync_block.h:38
#define DIGITAL_API
Definition: gr-digital/include/gnuradio/digital/api.h:30
Include this header to use the message passing features.
Definition: basic_block.h:45