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/* -*- c++ -*- */
/*
* Copyright 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_FRAME_SINK_H
#define INCLUDED_DIGITAL_OFDM_FRAME_SINK_H
#include <digital/api.h>
#include <gnuradio/sync_block.h>
#include <gnuradio/msg_queue.h>
namespace gr {
namespace digital {
/*!
* \brief Takes an OFDM symbol in, demaps it into bits of 0's and
* 1's, packs them into packets, and sends to to a message queue
* sink.
* \ingroup ofdm_blk
*
* \details
* NOTE: The mod input parameter simply chooses a pre-defined
* demapper/slicer. Eventually, we want to be able to pass in a
* reference to an object to do the demapping and slicing for a
* given modulation type.
*/
class DIGITAL_API ofdm_frame_sink : virtual public sync_block
{
public:
// gr::digital::ofdm_frame_sink::sptr
typedef boost::shared_ptr<ofdm_frame_sink> sptr;
/*!
* Make an OFDM frame sink block.
*
* \param sym_position vector of OFDM carrier symbols in complex space
* \param sym_value_out vector of bit mapped from the complex symbol space
* \param target_queue message queue for the packets to go into
* \param occupied_tones The number of subcarriers with data in the received symbol
* \param phase_gain gain of the phase tracking loop
* \param freq_gain gain of the frequency tracking loop
*/
static sptr make(const std::vector<gr_complex> &sym_position,
const std::vector<char> &sym_value_out,
msg_queue::sptr target_queue,
int occupied_tones,
float phase_gain=0.25, float freq_gain=0.25*0.25/4);
};
} /* namespace digital */
} /* namespace gr */
#endif /* INCLUDED_GR_OFDM_FRAME_SINK_H */
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