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/* -*- c++ -*- */
/*
* Copyright 2006,2007,2011,2012 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* GNU Radio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_DIGITAL_OFDM_MAPPER_BCV_H
#define INCLUDED_DIGITAL_OFDM_MAPPER_BCV_H
#include <digital/api.h>
#include <gr_sync_block.h>
#include <gr_msg_queue.h>
namespace gr {
namespace digital {
/*!
* \brief take a stream of bytes in and map to a vector of complex
* constellation points suitable for IFFT input to be used in an
* ofdm modulator.
* \ingroup ofdm_blk
*
* \details
* Abstract class must be subclassed with specific mapping.
*/
class DIGITAL_API ofdm_mapper_bcv : virtual public gr_sync_block
{
public:
// gr::digital::ofdm_mapper_bcv::sptr
typedef boost::shared_ptr<ofdm_mapper_bcv> sptr;
/*!
* Make an OFDM mapper block.
*
* \param constellation vector of OFDM carrier symbols in complex space
* \param msgq_limit limit on number of messages the queue can store
* \param occupied_carriers The number of subcarriers with data in the received symbol
* \param fft_length The size of the FFT vector (occupied_carriers + unused carriers)
*/
static sptr make(const std::vector<gr_complex> &constellation,
unsigned msgq_limit,
unsigned occupied_carriers,
unsigned int fft_length);
virtual gr_msg_queue_sptr msgq() const = 0;
};
} /* namespace digital */
} /* namespace gr */
#endif /* INCLUDED_DIGITAL_OFDM_MAPPER_BCV_H */
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