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diff --git a/gr-digital/include/gnuradio/digital/ofdm_insert_preamble.h b/gr-digital/include/gnuradio/digital/ofdm_insert_preamble.h
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--- a/gr-digital/include/gnuradio/digital/ofdm_insert_preamble.h
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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 this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#ifndef INCLUDED_DIGITAL_OFDM_INSERT_PREAMBLE_H
-#define INCLUDED_DIGITAL_OFDM_INSERT_PREAMBLE_H
-
-#include <gnuradio/digital/api.h>
-#include <gnuradio/block.h>
-#include <vector>
-
-namespace gr {
- namespace digital {
-
- /*!
- * \brief insert "pre-modulated" preamble symbols before each payload.
- * \ingroup ofdm_blk
- * \ingroup synchronizers_blk
- * \ingroup deprecated_blk
- *
- * \details
- * <pre>
- * input 1: stream of vectors of gr_complex [fft_length]
- * These are the modulated symbols of the payload.
- *
- * input 2: stream of char. The LSB indicates whether the corresponding
- * symbol on input 1 is the first symbol of the payload or not.
- * It's a 1 if the corresponding symbol is the first symbol,
- * otherwise 0.
- *
- * N.B., this implies that there must be at least 1 symbol in the payload.
- *
- * output 1: stream of vectors of gr_complex [fft_length]
- * These include the preamble symbols and the payload symbols.
- *
- * output 2: stream of char. The LSB indicates whether the corresponding
- * symbol on input 1 is the first symbol of a packet (i.e., the
- * first symbol of the preamble.) It's a 1 if the corresponding
- * symbol is the first symbol, otherwise 0.
- * </pre>
- */
- class DIGITAL_API ofdm_insert_preamble : virtual public block
- {
- public:
- // gr::digital::ofdm_insert_preamble::sptr
- typedef boost::shared_ptr<ofdm_insert_preamble> sptr;
-
- /*!
- * Make an OFDM preamble inserter block.
- *
- * \param fft_length length of each symbol in samples.
- * \param preamble vector of symbols that represent the pre-modulated preamble.
- */
- static sptr make(int fft_length,
- const std::vector<std::vector<gr_complex> > &preamble);
-
- virtual void enter_preamble() = 0;
- };
-
- } /* namespace digital */
-} /* namespace gr */
-
-#endif /* INCLUDED_DIGITAL_OFDM_INSERT_PREAMBLE_H */